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  1. #include <stdio.h>
  2.  
  3. const int MAX = 100;
  4.  
  5. int main(void) 
  6. {
  7.     int A[MAX][MAX];
  8.     int i, j, y, x, n = 0, m = 0, result;
  9.  
  10.     printf("Enter n [1, %d], m [1, %d]: ", MAX, MAX);
  11.     scanf("%d%d", &n, &m);
  12.  
  13.     for (i = 0; i < n; ++i) {
  14.         for (j = 0; j < m; ++j) {
  15.             printf("Enter a[%d][%d] ", i, j);
  16.             scanf("%d", &A[i][j]);
  17.         }
  18.     }
  19.  
  20.     for (i = 0; i < n; ++i) 
  21.         for (j = 0; j < m; ++j) 
  22.             for (y = 0; y < n; ++y) 
  23.                 for (x = 0; x < m; ++x) 
  24.                     if (y != i && x != j && A[i][j] == A[y][x]) {
  25.                         printf("%d\n%d %d\t %d %d\n", A[i][j], i, j, y, x);
  26.                         return 0;
  27.                     }
  28.     printf("No equal elements found\n");
  29.  
  30.     return 0;
  31.  
  32. }
  33.  
Success #stdin #stdout 0s 9432KB
comments (?)
stdin
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3 2
1 5
6 3
5 7
stdout
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Enter n [1, 100], m [1, 100]: Enter a[0][0] Enter a[0][1] Enter a[1][0] Enter a[1][1] Enter a[2][0] Enter a[2][1] 5
0 1	 2 0
https://ideone.com/p3NcLw
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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