you are given an N*N matrix. Write a program to check if the matrix is unique or not. A unique matrix is a matrix if every row and column of the matrix contains all the integers from 1 to N.
INPUT:
4
1 2 3 4
2 3 4 1
3 4 1 2
4 1 2 3
OUTPUT- True.
INPUT:
4
1 2 3 3
2 3 4 1
3 4 1 2
4 1 2 3
OUTPUT- False
def calculate_unique[matr, size]:
ells = [i+1 for i in range[size]]
for i in range[size]:
row = matr[i]
col = [matr[j][i] for j in range[size]]
for el in ells:
if [el not in row] or [el not in col]:
return False
return True
n = int[input["n: "]]
while n < 0:
n = int[input["n: "]]
M = []
for i in range[n]:
row = [int[i] for i in input[f"{i+1} line\n"].split[]]
while len[row] != n:
row = [int[i] for i in input[f"{i+1} line\n"].split[]]
M.append[row]
print[calculate_unique[M, n]]Learn more about our help with Assignments: Python
Unique Matrix
You are given a N*N matrix. write a program to check if the matrix is unique or not. A unique Matrix is a matrix if every row and column of the matrix contains all the integers from 1 to N
Input:
The first line contains an integer N.
The next N lines contains N space separated values of the matrix.
Output:
The output contains a single line and should be True if the matrix is unique matrix and False otherwise.
Sample input:
4
1 2 3 4
2 3 4 1
3 4 1 2
4 1 2 3
Sample output:
True
def check_uniq[matrix, n]:
all_int = set[range[1, n+1]]
for i in range[n]:
row = matrix[i]
col = [matrix[j][i] for j in range[n]]
if set[row] != all_int or set[col] != all_int:
return False
return True
n = int[input[]]
matrix = [[int[el] for el in input[].split[]] for _ in range[n]]
print[check_uniq[matrix, n]]Learn more about our help with Assignments: Python
Harry August 23, 2022 Today, we will see how to replace elements with zeros in Python. We will write two programs for that, in the first one, we will see how to replace elements with zeros in a matrix created using lists in Python, and in the second one, we will
use NumPy. Also Read:1. Replace Elements with Zeros in a matrix of List in Python
matrix = [[1, 2, 3],
[4, 5, 6],
[7, 8, 9]]
for i in range[len[matrix]]:
for j in range[len[matrix]]:
matrix[i][j] = 0
print[matrix]Output:
2. Replace Elements with Zeros in a matrix of List in Python
import numpy as np
matrix = np.array[[[1, 2, 3],
[4, 5, 6],
[7, 8, 9]]]
for i in range[len[matrix]]:
for j in range[len[matrix]]:
matrix[i][j] = 0
print[matrix]Output:
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Author: Harry
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