Làm cách nào để đếm các từ không có dấu cách trong JavaScript?

Cho một chuỗi, đếm số từ trong đó. Các từ được phân tách bằng các ký tự sau. dấu cách (‘ ‘) hoặc dòng mới (‘\n’) hoặc tab (‘\t’) hoặc kết hợp những thứ này

Đề nghị thực hành

Đếm số từ

Thử nó

Phương pháp 1. Ý tưởng là để duy trì hai trạng thái. Trong và ngoài. Trạng thái OUT chỉ ra rằng một dấu phân cách được nhìn thấy. Trạng thái IN chỉ ra rằng một ký tự từ được nhìn thấy. Chúng tôi tăng số lượng từ khi trạng thái trước đó là OUT và ký tự tiếp theo là ký tự Word.  

C




/* C++ program to count no of words

from given input string. */

#include

using namespace std;

 

No of words : 5
0

No of words : 5
1

 

No of words : 5
2

No of words : 5
3
No of words : 5
4
No of words : 5
5

No of words : 5
6

No of words : 5
7
No of words : 5
8
No of words : 5
9

No of words : 5
7
No of words: 5
1
No of words: 5
2

 

No of words : 5
7
No of words: 5
4

No of words : 5
7
No of words: 5
6
No of words: 5
7

No of words : 5
7
No of words : 5
6

No of words : 5
0
No of words : 5
1

No of words : 5
0
No of words : 5
3

No of words : 5
0
No of words : 5
5
No of words : 5
6
No of words : 5
7
No of words : 5
8
No of words : 5
9
No of words : 5
8/* C++ program to count no of words1/* C++ program to count no of words2

/* C++ program to count no of words3

No of words : 5
9

 

No of words : 5
0/* C++ program to count no of words6

No of words : 5
0/* C++ program to count no of words8

No of words : 5
0from given input string. */0

No of words : 5
0from given input string. */2
No of words : 5
5 from given input string. */4

No of words : 5
0
No of words : 5
6

/* C++ program to count no of words3____1048_______8

/* C++ program to count no of words3#include 0

No of words : 5
0#include 2

 

No of words : 5
0#include 4

No of words : 5
0#include 6

No of words : 5
7#include 2

 

No of words : 5
7using0 using1

#include 2

 

using3

No of words : 5
8 using5using6/* C++ program to count no of words2

No of words : 5
6

No of words : 5
7
No of words : 5
4 namespace1namespace2namespace3

No of words : 5
7namespace5namespace6namespace7

No of words : 5
7using0 std;0

#include 2

 

std;2

C




std;3

std;4

 

std;5

std;6

 

No of words : 5
2

No of words : 5
3
No of words : 5
4
No of words : 5
5

No of words : 5
6

No of words : 5
7
No of words : 5
8
No of words : 5
9

No of words : 5
7
No of words : 5
06
No of words: 5
2

 

No of words : 5
7
No of words: 5
4

No of words : 5
7
No of words: 5
6
No of words: 5
7

No of words : 5
7
No of words : 5
6

No of words : 5
0
No of words : 5
1

No of words : 5
0
No of words : 5
3

No of words : 5
0
No of words : 5
5
No of words : 5
6
No of words : 5
7
No of words : 5
8
No of words : 5
9
No of words : 5
8/* C++ program to count no of words1/* C++ program to count no of words2

/* C++ program to count no of words3

No of words : 5
9

 

No of words : 5
0/* C++ program to count no of words6

No of words : 5
0/* C++ program to count no of words8

No of words : 5
0from given input string. */0

No of words : 5
0from given input string. */2
No of words : 5
5 from given input string. */4

No of words : 5
0
No of words : 5
6

/* C++ program to count no of words3____1048_______8

/* C++ program to count no of words3#include 0

No of words : 5
0#include 2

 

No of words : 5
0#include 4

No of words : 5
0#include 6

No of words : 5
7#include 2

 

No of words : 5
7using0 using1

#include 2

 

No of words : 5
58

No of words : 5
8 using5using6/* C++ program to count no of words2

No of words : 5
6

No of words : 5
7
No of words : 5
4 namespace1
No of words : 5
67namespace3

_______71

No of words : 5
72
No of words : 5
73

No of words : 5
7using0 std;0

#include 2

Java




No of words : 5
78

from given input string. */

No of words : 5
80
No of words : 5
81
No of words : 5
82

No of words : 5
83

No of words : 5
7
No of words : 5
85
No of words : 5
86
No of words : 5
8
No of words : 5
88
No of words : 5
89namespace3

No of words : 5
7
No of words : 5
85
No of words : 5
86
No of words : 5
8
No of words : 5
95
No of words : 5
96namespace3

No of words : 5
98

No of words : 5
7
No of words : 5
2

No of words : 5
7
No of words : 5
85
No of words : 5
8
No of words: 5
04

No of words : 5
7
No of words : 5
6

No of words : 5
0
No of words : 5
8
No of words : 5
9

No of words : 5
0
No of words : 5
8
No of words: 5
12
No of words : 5
89
No of words: 5
14
No of words: 5
2

No of words : 5
0
No of words : 5
8
No of words: 5
18
No of words : 5
89_______1051_______3

No of words : 5
0

No of words : 5
0
No of words: 5
4

No of words : 5
0
No of words: 5
6
No of words: 5
26

No of words : 5
0
No of words : 5
6

/* C++ program to count no of words3

No of words : 5
1

/* C++ program to count no of words3

No of words : 5
3

/* C++ program to count no of words3

No of words : 5
5
No of words: 5
35_______0_______7
No of words: 5
37
No of words : 5
9

No of words: 5
39
No of words: 5
37/* C++ program to count no of words1/* C++ program to count no of words2

No of words: 5
43____0_______9

No of words: 5
43

No of words : 5
98

/* C++ program to count no of words3

No of words: 5
48

/* C++ program to count no of words3

No of words: 5
50

/* C++ program to count no of words3

No of words: 5
52

/* C++ program to count no of words3from given input string. */2

No of words : 5
5 from given input string. */4

/* C++ program to count no of words3

No of words : 5
6

No of words: 5
43from given input string. */8

No of words: 5
43#include 0

/* C++ program to count no of words3#include 2

No of words : 5
98

/* C++ program to count no of words3#include 4

/* C++ program to count no of words3

No of words: 5
69

No of words : 5
0#include 2

No of words : 5
0using0 using1

No of words : 5
7#include 2

No of words : 5
98

No of words : 5
7
No of words : 5
58

No of words : 5
7
No of words : 5
80
No of words : 5
85 using6
No of words: 5
84

No of words : 5
7
No of words : 5
6

No of words : 5
0
No of words: 5
88
No of words: 5
89namespace3

No of words : 5
0
No of words: 5
92namespace6
No of words: 5
94

No of words : 5
7#include 2

#include 2

No of words: 5
98

Python3




No of words: 5
99

No of words : 5
00

No of words : 5
01______0_______02
No of words : 5
89

No of words : 5
04_______0_______02
No of words : 5
96

 

No of words : 5
07

No of words : 5
08
No of words : 5
09

No of words : 5
7
No of words : 5
11_______0_______02
No of words : 5
01

No of words : 5
7
No of words : 5
15_______0_______02
No of words : 5
89

 

No of words : 5
7
No of words : 5
19

No of words : 5
7
No of words : 5
21
No of words : 5
22_______0_______23
No of words : 5
24
No of words : 5
71
No of words : 5
26
No of words : 5
27

 

No of words : 5
0
No of words : 5
29

No of words : 5
0
No of words : 5
31

No of words : 5
0
No of words : 5
5
No of words : 5
34_______0_______02
No of words : 5
02
No of words : 5
7
No of words : 5
38
No of words : 5
39
No of words : 5
02
No of words : 5
02
No of words : 5
9
No of words : 5
38

/* C++ program to count no of words3

No of words : 5
39
No of words : 5
02
No of words : 5
02 /* C++ program to count no of words1
No of words : 5
49

/* C++ program to count no of words3

No of words : 5
11
No of words : 5
02
No of words : 5
01

 

No of words : 5
0
No of words : 5
55

No of words : 5
0
No of words : 5
57

No of words : 5
0
No of words : 5
59

No of words : 5
0
No of words : 5
61

No of words : 5
0
No of words : 5
63
No of words : 5
11_______0_______02
No of words : 5
02
No of words : 5
67

/* C++ program to count no of words3

No of words : 5
11
No of words : 5
02
No of words : 5
04

/* C++ program to count no of words3

No of words : 5
15
No of words : 5
74
No of words : 5
02
No of words : 5
96

 

No of words : 5
7
No of words : 5
78

No of words : 5
7using0
No of words : 5
15

 

No of words : 5
82

No of words : 5
83
No of words : 5
02
No of words : 5
85

No of words : 5
86
No of words : 5
71
No of words : 5
88
No of words : 5
74
No of words : 5
90
No of words : 5
91

 

No of words : 5
92

C#




No of words : 5
93

No of words : 5
94

using

No of words : 5
96

 

No of words : 5
81
No of words : 5
82

No of words : 5
7

No of words : 5
7
No of words : 5
85
No of words : 5
8 /* C++ program to count no of words03

No of words : 5
7
No of words : 5
85
No of words : 5
8 /* C++ program to count no of words07

No of words : 5
7

No of words : 5
7
No of words : 5
2

No of words : 5
7
No of words : 5
85
No of words : 5
8
No of words: 5
04

No of words : 5
7
No of words : 5
6

No of words : 5
0
No of words : 5
8
No of words : 5
9

No of words : 5
0
No of words : 5
8 /* C++ program to count no of words22
No of words: 5
2

No of words : 5
0
No of words : 5
8 /* C++ program to count no of words26

No of words : 5
0

No of words : 5
0/* C++ program to count no of words29

No of words : 5
0/* C++ program to count no of words31

No of words : 5
0
No of words: 5
6 /* C++ program to count no of words34

No of words : 5
0
No of words : 5
6

/* C++ program to count no of words3/* C++ program to count no of words38

/* C++ program to count no of words3/* C++ program to count no of words40

/* C++ program to count no of words3

No of words : 5
5 /* C++ program to count no of words43
No of words : 5
7 /* C++ program to count no of words45
No of words : 5
9/* C++ program to count no of words47

/* C++ program to count no of words48____1047_______49/* C++ program to count no of words1____1047_______2

No of words: 5
43____0_______9

No of words: 5
43

No of words : 5
7

/* C++ program to count no of words3/* C++ program to count no of words57

/* C++ program to count no of words3____1047_______59

/* C++ program to count no of words3____1047_______61

/* C++ program to count no of words3

No of words: 5
2

/* C++ program to count no of words3from given input string. */2

No of words : 5
5 from given input string. */4

/* C++ program to count no of words3

No of words : 5
6

No of words: 5
43from given input string. */8

No of words: 5
43#include 0

/* C++ program to count no of words3#include 2

No of words : 5
7

/* C++ program to count no of words3#include 4

/* C++ program to count no of words3

No of words: 5
69

No of words : 5
0#include 2

No of words : 5
0

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0using0 using1

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No of words : 5
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58

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85 using6 /* C++ program to count no of words96

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88namespace2namespace3

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7#include 2

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PHP




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71_______1048_______41 from given input string. */50from given input string. */51
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71from given input string. */22_______1048_______67from given input string. */41from given input string. */69from given input string. */70 /* C++ program to count no of words47

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No of words : 5
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No of words : 5
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71_______1048_______32 #include 04from given input string. */15/* C++ program to count no of words2

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6

/* C++ program to count no of words3from given input string. */32

No of words : 5
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/* C++ program to count no of words3#include 15from given input string. */37_______1051_______3

No of words : 5
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No of words : 5
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No of words : 5
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No of words : 5
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Javascript




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0#include 50 /* C++ program to count no of words26

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0/* C++ program to count no of words31

No of words : 5
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6 #include 80

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6

No of words : 5
0

/* C++ program to count no of words3/* C++ program to count no of words38

/* C++ program to count no of words3/* C++ program to count no of words40

/* C++ program to count no of words3

No of words : 5
5 /* C++ program to count no of words43
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/* C++ program to count no of words48____1047_______49/* C++ program to count no of words1____1047_______2

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43____0_______9

No of words: 5
43

No of words : 5
7

/* C++ program to count no of words3/* C++ program to count no of words57

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/* C++ program to count no of words3____1047_______61

/* C++ program to count no of words3

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2

/* C++ program to count no of words3from given input string. */2

No of words : 5
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6

No of words: 5
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No of words: 5
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No of words : 5
7

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No of words: 5
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Đầu ra

No of words : 5

Độ phức tạp về thời gian. Trên)
Không gian phụ trợ. Ô(1)

Bài viết này được biên soạn bởi Aarti_Rathi và Narendra Kangralkar. Vui lòng viết bình luận nếu bạn thấy bất cứ điều gì không chính xác hoặc bạn muốn chia sẻ thêm thông tin về chủ đề thảo luận ở trên

Phương pháp 2. sử dụng Chuỗi. phương pháp tách ()

  1. Lấy chuỗi để đếm tổng số từ
  2. Kiểm tra xem chuỗi rỗng hay null rồi trả về 0
  3. Sử dụng phương thức split() của lớp String để tách chuỗi trên các khoảng trắng
  4. Phương thức split() ngắt chuỗi đã cho xung quanh các kết quả khớp của biểu thức chính quy đã cho và trả về một mảng chuỗi
  5. Độ dài của mảng là số từ trong chuỗi đã cho
  6. Bây giờ, in kết quả

Dưới đây là việc thực hiện các phương pháp trên

C++




using51

using52

#include

using namespace std;

 

using57

using58

No of words : 5
8 using60

No of words : 5
6

using62using63

using62____1050_______65

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No of words : 5
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No of words : 5
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No of words : 5
71
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7
No of words : 5
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No of words : 5
7_______1050_______95

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7#include 2

No of words : 5
7from given input string. */2
No of words : 5
6

using96namespace08

No of words : 5
7#include 2

using62#include 2

 

using62

No of words : 5
8 namespace15

 

using62

No of words : 5
21
No of words : 5
71
No of words : 5
8 namespace20

No of words : 5
7
No of words : 5
5 namespace23

using96namespace25

using62#include 2

 

using62namespace29

using62____1051_______31

using62____1050_______0 namespace34

#include 2

 

No of words : 5
8 namespace37

No of words : 5
6

 

using62____1051_______40

using62____1051_______42namespace43____1051_______3

using62namespace46

using62namespace48namespace6 namespace50

using62____1050_______0 std;0

#include 2

 

namespace55

Java




namespace56

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namespace58 namespace59

No of words : 5
81 namespace61

No of words : 5
6

No of words : 5
7

No of words : 5
7using57

No of words : 5
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No of words : 5
7
No of words : 5
80
No of words : 5
85
No of words : 5
8

using96

No of words: 5
04

No of words : 5
7
No of words : 5
6

No of words : 5
0

No of words : 5
0using63

No of words : 5
0using65

No of words : 5
0
No of words : 5
5 namespace83namespace84 namespace85

/* C++ program to count no of words3using0

No of words : 5
89namespace3

No of words : 5
0

No of words : 5
0using75

No of words : 5
0using77

No of words : 5
0using79

No of words : 5
0namespace98namespace99#include 42

No of words : 5
0

No of words : 5
0namespace29

No of words : 5
0namespace31

No of words : 5
0using0 std;08

No of words : 5
7#include 2

No of words : 5
7

No of words : 5
7#include 33

No of words : 5
7
No of words : 5
80
No of words : 5
85 using6
No of words: 5
84

No of words : 5
7
No of words : 5
6

No of words : 5
0

No of words : 5
0namespace40

No of words : 5
0
No of words: 5
88

std;26____1051_______43namespace3

No of words : 5
0

No of words : 5
0namespace46

No of words : 5
0
No of words: 5
92namespace6
No of words : 5
74

std;36____1052_______37

No of words : 5
7#include 2

#include 2

std;41

Python3




std;42

std;43

 

 

No of words : 5
08 std;45

 

No of words : 5
7std;47

No of words : 5
7std;49

No of words : 5
7
No of words : 5
5 std;52
No of words : 5
02______0_______02 std;55

No of words : 5
0using0
No of words : 5
89

 

No of words : 5
7std;60

 

No of words : 5
7std;62
No of words : 5
02 std;64

 

No of words : 5
7using0
No of words : 5
26std;68

 

 

No of words : 5
5 std;70
No of words : 5
02
No of words : 5
02 std;73std;74

No of words : 5
7std;76
No of words : 5
02 namespace43

No of words : 5
7
No of words : 5
86
No of words : 5
71namespace6std;83

C#




std;84

using

No of words : 5
96

 

 

std;87

using52

No of words : 5
80
No of words : 5
81 namespace61

No of words : 5
6

No of words : 5
7using57

No of words : 5
7using58

No of words : 5
7
No of words : 5
80
No of words : 5
85
No of words : 5
8
No of words: 5
04

No of words : 5
7
No of words : 5
6

No of words : 5
0using63

No of words : 5
0using65

No of words : 5
0
No of words : 5
5 namespace83namespace84
No of words : 5
012

No of words : 5
0
No of words : 5
6

/* C++ program to count no of words3____1050_______0 std;0

No of words : 5
0#include 2

No of words : 5
0using75

No of words : 5
0using77

No of words : 5
0using79

No of words : 5
0
No of words : 5
027from given input string. */70#include 42

using96

using96

No of words : 5
8 namespace15

using96

using96

No of words : 5
21
No of words : 5
71
No of words : 5
8
No of words : 5
039

std;26

No of words : 5
5
No of words : 5
042

using96#include 2

using96

No of words : 5
0namespace29

No of words : 5
0namespace31

No of words : 5
0using0 namespace34

No of words : 5
7#include 2

No of words : 5
7#include 33

No of words : 5
7
No of words : 5
80
No of words : 5
85 using6
No of words : 5
061

No of words : 5
7
No of words : 5
6

No of words : 5
0namespace40

No of words : 5
0#include 50 using41namespace43namespace3

No of words : 5
0namespace46

No of words : 5
0from given input string. */04namespace6
No of words : 5
076

No of words : 5
7#include 2

#include 2

Javascript




No of words : 5
080

using52

 

using57

using58

from given input string. */20

No of words : 5
085

No of words : 5
6

 

using62using63

using62____1050_______65

using62

No of words : 5
5
No of words : 5
093

No of words : 5
7using0 std;0

using62#include 2

using62

using62using75

using62____1050_______77

using62using79

using62____0_______107

using62#include 50 using99_______1050_______84namespace3

using62

No of words : 5
21
No of words : 5
71#include 50
No of words : 5
117

No of words : 5
7
No of words : 5
5 /* C++ program to count no of words43from given input string. */70using95

using96

No of words : 5
124

using96using99using84namespace3

No of words : 5
7#include 2

No of words : 5
7from given input string. */2
No of words : 5
6

using96namespace08

No of words : 5
7#include 2

using62#include 2

 

using62____1049_______50 namespace15

 

using62

No of words : 5
21
No of words : 5
71#include 50
No of words : 5
147

No of words : 5
7
No of words : 5
5
No of words : 5
150

using96namespace25

using62#include 2

 

using62namespace29

using62____1051_______31

using62____1050_______0 namespace34

#include 2

 

using3

using62____1051_______40

using62____1049_______50 using41namespace43namespace3

using62namespace46

using62

No of words : 5
174namespace6
No of words : 5
176

No of words : 5
83

No of words : 5
178

Đầu ra

No of words : 5

Thời gian phức tạp. TRÊN)
Không gian phụ trợ. Ô(1)

Phương pháp 3. sử dụng StringTokenizer. phương thức đếmTokens()

  1. Lấy chuỗi để đếm tổng số từ
  2. Kiểm tra xem chuỗi rỗng hay null rồi trả về 0
  3. Tạo StringTokenizer với chuỗi đã cho được truyền dưới dạng tham số
  4. Đếm tổng số từ trong chuỗi đã cho bằng phương thức CountTokens()
  5. Bây giờ, in kết quả

Dưới đây là việc thực hiện các phương pháp trên

C++




using51

using52

#include

using namespace std;

 

using57

using58

No of words : 5
8
No of words : 5
188

No of words : 5
6

 

No of words : 5
7using63

No of words : 5
7using65

No of words : 5
7
No of words : 5
5
No of words : 5
196

No of words : 5
0using0 std;0

 

No of words : 5
7
No of words : 5
201

 

No of words : 5
7
No of words : 5
8
No of words : 5
204

 

No of words : 5
7
No of words : 5
206

 

No of words : 5
7
No of words: 5
6
No of words : 5
209
No of words : 5
210_______1048_______54

No of words : 5
0
No of words : 5
213

 

No of words : 5
7using0 namespace34

#include 2

No of words : 5
8 namespace37

No of words : 5
6

No of words : 5
7namespace42
No of words : 5
223namespace3

 

No of words : 5
7namespace46

No of words : 5
7namespace48
No of words : 5
229
No of words : 5
230

#include 2

Java




namespace56

using52

namespace58

No of words : 5
235

 

No of words : 5
81 namespace61

No of words : 5
6

No of words : 5
7

No of words : 5
7using57

No of words : 5
7using58

No of words : 5
7
No of words : 5
80
No of words : 5
85
No of words : 5
8

using96

No of words: 5
04

No of words : 5
7
No of words : 5
6

No of words : 5
0

No of words : 5
0using63

No of words : 5
0using65

No of words : 5
0
No of words : 5
5
No of words : 5
259namespace84 namespace85

/* C++ program to count no of words3using0

No of words : 5
89namespace3

No of words : 5
0

No of words : 5
0
No of words : 5
268

No of words : 5
0
No of words : 5
270

No of words : 5
0
No of words : 5
272
No of words : 5
273

std;26____0_______275

No of words : 5
0

No of words : 5
0
No of words : 5
278

No of words : 5
0
No of words : 5
280

No of words : 5
0
No of words : 5
282

No of words : 5
0using0
No of words : 5
285

No of words : 5
7#include 2

No of words : 5
7

No of words : 5
7#include 33

No of words : 5
7
No of words : 5
80
No of words : 5
85 using6
No of words: 5
84

No of words : 5
7
No of words : 5
6

No of words : 5
0

No of words : 5
0namespace40

No of words : 5
0
No of words: 5
88

std;26____1051_______43namespace3

No of words : 5
0

No of words : 5
0namespace46

No of words : 5
0
No of words: 5
92
No of words : 5
229
No of words : 5
74

std;26std;37

No of words : 5
7#include 2

#include 2

std;41

Python3




No of words : 5
08
No of words : 5
320

No of words : 5
7
No of words : 5
322

No of words : 5
7
No of words : 5
5
No of words : 5
325
No of words : 5
326

No of words : 5
0using0
No of words : 5
89

 

No of words : 5
7
No of words : 5
331
No of words : 5
02
No of words : 5
89

No of words : 5
7
No of words : 5
335
No of words : 5
02
No of words : 5
337
No of words : 5
338/* C++ program to count no of words2

No of words : 5
7
No of words : 5
21
No of words : 5
342
No of words : 5
23
No of words : 5
344

using96

No of words : 5
0
No of words : 5
347

No of words : 5
0
No of words : 5
5
No of words : 5
350

/* C++ program to count no of words3

No of words : 5
331
No of words : 5
74
No of words : 5
02
No of words : 5
96

 

No of words : 5
7using0
No of words : 5
331

 

std;76

No of words : 5
02
No of words : 5
223

No of words : 5
86
No of words : 5
71
No of words : 5
364
No of words : 5
365

 

No of words : 5
366

C#




std;87

using52

using

No of words : 5
96

 

No of words : 5
81 namespace61

No of words : 5
6

 

using62____1050_______57

using62____1050_______58

using62

No of words : 5
80
No of words : 5
85
No of words : 5
8

No of words : 5
7
No of words: 5
04

using62

No of words : 5
6

 

No of words : 5
7using63

No of words : 5
7using65

No of words : 5
7
No of words : 5
5
No of words : 5
71_______0_______83
No of words : 5
394

using96____1050_______0 std;0

 

No of words : 5
7
No of words : 5
399

No of words : 5
7
No of words : 5
270

No of words : 5
7
No of words : 5
83
No of words : 5
404
No of words : 5
7#include 42

 

No of words : 5
7
No of words : 5
278

No of words : 5
7
No of words : 5
280

No of words : 5
7
No of words : 5
412

No of words : 5
7using0
No of words : 5
415

using62#include 2

 

using62____1049_______33

using62

No of words : 5
80
No of words : 5
85 using6 /* C++ program to count no of words96

using62

No of words : 5
6

 

No of words : 5
7namespace40

No of words : 5
7
No of words : 5
83 using41

using96____1051_______2namespace3

 

No of words : 5
7namespace46

No of words : 5
7
No of words : 5
438
No of words : 5
229
No of words : 5
74

No of words : 5
441std;37

using62#include 2

#include 2

 

______________446

Javascript




______________447

using52

 

using57

using58

from given input string. */20

No of words : 5
452

No of words : 5
6

 

using62using63

using62____1050_______65

using62

No of words : 5
5
No of words : 5
460using0 std;0

using62

No of words : 5
464
No of words : 5
338#include 42

using62____1050_______0

No of words : 5
469

#include 2

 

No of words : 5
471
No of words : 5
223namespace3

 

namespace46

______________475

 

namespace55

Đầu ra

No of words: 5

Thời gian phức tạp. TRÊN)
Không gian phụ trợ. Ô(1)

Phương pháp 4. sử dụng nhân vật. phương thức isLetter()

  1. Lấy chuỗi để đếm tổng số từ
  2. Kiểm tra xem chuỗi rỗng hay null rồi trả về 0
  3. Chuyển đổi chuỗi đã cho thành một mảng ký tự
  4. Kiểm tra xem ký tự có phải là chữ cái không và chỉ mục của mảng ký tự không bằng cuối dòng có nghĩa là ký tự và đặt isWord bằng true
  5. Kiểm tra nếu ký tự không phải là chữ cái nghĩa là có khoảng trắng thì ta tăng wordCount lên một và đặt isWord bằng false
  6. Kiểm tra từ cuối cùng của câu và tăng WordCount lên một
  7. Bây giờ, in kết quả

Dưới đây là việc thực hiện các phương pháp trên

C++




using51

using52

 

#include

using namespace std;

 

______________483

______________484

using58

No of words : 5
8 from given input string. */21
No of words : 5
4
No of words : 5
489
No of words : 5
8
No of words : 5
491

No of words : 5
6

No of words : 5
7using63

No of words : 5
7using65

No of words : 5
7
No of words : 5
5
No of words : 5
499

No of words : 5
0using0 std;0

No of words : 5
7#include 2

No of words : 5
7
No of words : 5
8
No of words : 5
507

No of words : 5
7
No of words : 5
509
No of words : 5
510
No of words : 5
511namespace3

No of words : 5
7
No of words : 5
8
No of words : 5
515

 

No of words : 5
7
No of words : 5
21
No of words : 5
71
No of words : 5
8
No of words : 5
520

 

No of words : 5
0
No of words : 5
522

No of words : 5
0
No of words : 5
524

No of words : 5
0
No of words : 5
526

No of words : 5
0
No of words : 5
528

No of words : 5
0
No of words : 5
5
No of words : 5
71
No of words : 5
532_______0_______533

/* C++ program to count no of words3

No of words : 5
510_______0_______536namespace3

No of words : 5
0#include 2

 

No of words : 5
0
No of words : 5
541

No of words : 5
0
No of words : 5
543

No of words : 5
0
No of words : 5
545

No of words : 5
0
No of words : 5
547

No of words : 5
0from given input string. */2
No of words : 5
5
No of words : 5
551
No of words : 5
532
No of words : 5
553

 

No of words : 5
0
No of words : 5
6

/* C++ program to count no of words3

No of words : 5
557

/* C++ program to count no of words3

No of words : 5
510
No of words : 5
511namespace3

No of words : 5
0#include 2

 

No of words : 5
0
No of words : 5
565

No of words : 5
0
No of words : 5
567

No of words : 5
0/* C++ program to count no of words31

No of words : 5
0from given input string. */2
No of words : 5
5
No of words : 5
71_______0_______532
No of words : 5
575

/* C++ program to count no of words3

No of words : 5
557

No of words : 5
0#include 2

No of words : 5
7#include 2

 

No of words : 5
7
No of words : 5
583

No of words : 5
7
No of words : 5
585

No of words : 5
7using0
No of words : 5
588

#include 2

 

using3

No of words : 5
8 namespace37

No of words : 5
6

No of words : 5
7
No of words : 5
4 namespace1namespace2namespace3

No of words : 5
7
No of words : 5
8
No of words : 5
601_______0_______602
No of words : 5
603
No of words : 5
602
No of words : 5
71
No of words : 5
4
No of words : 5
607

No of words : 5
7namespace48namespace6
No of words : 5
611

No of words : 5
7using0 std;0

#include 2

 

No of words : 5
616

Java




namespace56

using52

namespace58 namespace59

No of words : 5
81 namespace61

No of words : 5
6

No of words : 5
7

No of words : 5
7using57

No of words : 5
7using58

No of words : 5
7
No of words : 5
80
No of words : 5
85
No of words : 5
8

using96

No of words: 5
04

No of words : 5
7
No of words : 5
6

No of words : 5
0

No of words : 5
0using63

No of words : 5
0using65

No of words : 5
0
No of words : 5
5_______0_______259namespace84 namespace85

/* C++ program to count no of words3using0

No of words : 5
89namespace3

No of words : 5
0

No of words : 5
0
No of words : 5
8
No of words : 5
654
No of words : 5
89namespace3

No of words : 5
0

No of words : 5
0
No of words : 5
659
No of words : 5
510
No of words : 5
511namespace3

No of words : 5
0
No of words : 5
8
No of words : 5
665
No of words : 5
96namespace3

No of words : 5
0

No of words : 5
0
No of words : 5
670

No of words : 5
0
No of words : 5
672

No of words : 5
0
No of words : 5
4
No of words : 5
675

No of words : 5
0

No of words : 5
0
No of words : 5
21
No of words : 5
71_______0_______8
No of words: 5
18
No of words : 5
89
No of words : 5
683

/* C++ program to count no of words3

/* C++ program to count no of words3____0_______522

/* C++ program to count no of words3____0_______524

/* C++ program to count no of words3____0_______526

/* C++ program to count no of words3

No of words : 5
528

/* C++ program to count no of words3

No of words : 5
5
No of words : 5
695

No of words: 5
43
No of words : 5
697

No of words : 5
698

No of words: 5
43
No of words : 5
510
No of words : 5
536namespace3

/* C++ program to count no of words3

/* C++ program to count no of words3____0_______541

/* C++ program to count no of words3

No of words : 5
543

/* C++ program to count no of words3

No of words : 5
545

/* C++ program to count no of words3____0_______547

/* C++ program to count no of words3from given input string. */2

No of words : 5
5
No of words : 5
715

No of words : 5
716______0_______717

No of words : 5
698

No of words: 5
43____0_______557

No of words: 5
43
No of words : 5
510
No of words : 5
511namespace3

/* C++ program to count no of words3#include 2

/* C++ program to count no of words3

/* C++ program to count no of words3

No of words : 5
565

/* C++ program to count no of words3

No of words : 5
567

/* C++ program to count no of words3/* C++ program to count no of words31

/* C++ program to count no of words3____1048_______2

No of words : 5
5
No of words : 5
695

No of words : 5
716____0_______739

No of words: 5
43____0_______557

No of words : 5
0#include 2

No of words : 5
0

No of words : 5
0
No of words : 5
583

No of words : 5
0
No of words : 5
585

No of words : 5
0using0
No of words : 5
588

No of words : 5
0

No of words : 5
7#include 2

No of words : 5
7

No of words : 5
7#include 33

No of words : 5
7
No of words : 5
80
No of words : 5
85 using6
No of words: 5
84

No of words : 5
7
No of words : 5
6

No of words : 5
0

No of words : 5
0namespace40

No of words : 5
0
No of words: 5
88

std;26____1051_______43namespace3

No of words : 5
0

No of words : 5
0namespace46

No of words : 5
0
No of words: 5
92namespace6
No of words : 5
74

std;26std;37

No of words : 5
7#include 2

#include 2

std;41

Python3




std;42

std;43

 

No of words : 5
788

No of words : 5
789

No of words : 5
08 from given input string. */21
No of words : 5
792
No of words : 5
49

No of words : 5
7

No of words : 5
7std;47

No of words : 5
7std;49

No of words : 5
7
No of words : 5
5
No of words : 5
71
No of words : 5
792
No of words : 5
02
No of words : 5
02
No of words : 5
805
No of words : 5
38
No of words : 5
26
No of words : 5
71
No of words : 5
792/* C++ program to count no of words2
No of words : 5
02
No of words : 5
02
No of words : 5
89
No of words : 5
49

No of words : 5
0using0
No of words : 5
89

No of words : 5
7

No of words : 5
7
No of words : 5
820
No of words : 5
02
No of words : 5
89

No of words : 5
7
No of words : 5
824
No of words : 5
02
No of words : 5
826

No of words : 5
7
No of words : 5
828_______0_______02
No of words : 5
26
No of words : 5
71
No of words : 5
792/* C++ program to count no of words2
No of words : 5
834
No of words : 5
96

Làm cách nào để không tính khoảng trắng trong JavaScript?

Nếu bạn cần loại bỏ khoảng trắng, một thủ thuật cũng có thể là var newstring = myString. replace(/ /g,""); . độ dài . Chỉ là một cách nhanh chóng để đảm bảo không có khoảng trống nào.

Làm cách nào để đếm các từ trong một chuỗi trong JavaScript?

Cách đếm từ bằng JavaScript? .
hàm getCount(str) { return str. tách ra(' '). bộ lọc (hàm (số) {.
hàm getCount(str) {.
.. .
hàm wordCount() {

Làm cách nào để đếm văn bản trong JavaScript?

Trong JavaScript, chúng ta có thể đếm số lần xuất hiện của chuỗi trong một chuỗi bằng cách đếm số lần chuỗi xuất hiện trong chuỗi . JavaScript cung cấp một hàm match(), được sử dụng để tạo ra tất cả các lần xuất hiện của một chuỗi trong một mảng.

Làm cách nào để đếm độ dài từ trong JavaScript?

function WordCount(str) { var totalSoFar = 0; . chiều dài;