Answer to Question #298145 in Python for Kaavya

Question

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

Answer 1

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))