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  1. #include <stdio.h>
  2.  
  3. #define M 2
  4. #define N 3
  5.  
  6. void add(int *A, int *B, int *C, int m, int n){
  7.     int i, j;
  8.  
  9.    for(i = 0; i < m; i++){
  10.      for(j = 0; j < n; j++){
  11.         *(C + i*n + j) = *(A + i*n + j) + *(B + i*n + j);
  12.       }
  13.    }
  14. }
  15.  
  16. int main(void){
  17.    int i, j;
  18.     int A[M][N] = {{1,2,3},{4,5,6}};
  19.     int B[M][N] = {{6,5,4},{3,2,1}};
  20.     int C[M][N] = {{0,0,0},{0,0,0}};
  21.  
  22.     add((int *)A, (int *)B, (int *)C, M, N);
  23.  
  24.     for(i = 0; i < M; i++){
  25.       for(j = 0; j < N; j++){
  26.          printf("%d ", C[i][j]);
  27.      }
  28.       printf("\n");
  29.   }
  30.  
  31.  return 0;
  32. }
  33.  
Success #stdin #stdout 0s 5300KB
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stdin
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Standard input is empty
stdout
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7 7 7 
7 7 7
https://ideone.com/Ts3rlJ
language:
C (gcc 8.3)
created:
7 hours ago
visibility:
public

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