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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int A[2][2] = {{1,2},{3,4}};
  5.     int B[2][2] = {{2,0},{1,2}};
  6.  
  7.     int R[2][2] = {0};
  8.  
  9.     int i,j,k;
  10.  
  11.     for(i=0; i<2; i++){
  12.         for(j=0; j<2; j++){
  13.             for(k=0; k<2; k++){
  14.                 R[i][j] += A[i][k] * B[k][j];
  15.             }
  16.         }
  17.     }
  18.  
  19.     for(i=0; i<2; i++){
  20.         for(j=0; j<2; j++){
  21.             printf("%d ", R[i][j]);
  22.         }
  23.         printf("\n");
  24.     }
  25.  
  26. 	return 0;
  27. }
  28.  
Success #stdin #stdout 0s 9432KB
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stdin
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Standard input is empty
stdout
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4 4 
10 8
https://ideone.com/m77NxO
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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