text: #include <stdio.h>
  #include <stdlib.h>
  
  int main(){
      int i,j,k;
      int B[10][10],A[10][10],C[10][10];
      for(i = 0; i < 10; i++){
        for(j = 0; j < 10; j++){
          A[i][j] = rand() % 1000;
          B[i][j] = rand() % 1000;
          C[i][j] = 0;
        }
      }
      for(k = 0; k < 10; k++){
        for(i = 0; i < 10; i++){
          for(j = 0; j < 10; j++){
            C[k][j] = C[k][j] + A[k][i] * B[i][j];
          }
        }
      }
      return 0;
  }
  