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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int a1, b1;
  6.     cout << "Enter the number of rows and columns of the matrix: ";
  7.     cin >> a1 >> b1;
  8.  
  9.  
  10.     if (a1 != b1) {
  11.         cout << "The matrix is not square, It is not symmetric." << endl;
  12.         return 0;
  13.     }
  14.  
  15.     int matrix[a1][b1];
  16.  
  17.  
  18.     cout << "Enter the elements:" << endl;
  19.     for (int i = 0; i < a1; i++) {
  20.         for (int j = 0; j < b1; j++) {
  21.             cin >> matrix[i][j];
  22.         }
  23.     }
  24.  
  25.     int flag = 0;
  26.  
  27.  
  28.     for (int i = 0; i < a1; i++) {
  29.         for (int j = 0; j < b1; j++) {
  30.             if (matrix[i][j] != matrix[j][i]) {
  31.                 flag = 1;
  32.                 break;
  33.             }
  34.         }
  35.         if (flag == 1) {
  36.             break;
  37.         }
  38.     }
  39.  
  40.     if (flag == 0) {
  41.         cout << "The matrix is symmetric." << endl;
  42.     } else {
  43.         cout << "The matrix is not symmetric." << endl;
  44.     }
  45.  
  46.     return 0;
  47. }
  48.  
Success #stdin #stdout 0.01s 5288KB
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Standard input is empty
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Enter the number of rows and columns of the matrix: The matrix is not square, It is not symmetric.
https://ideone.com/W78n4G
language:
C++ (gcc 8.3)
created:
8 days ago
visibility:
public

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