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ivanmendes

6questao_matrizes

Oct 8th, 2015
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C 0.42 KB | None | 0 0
  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5.     int m[3][3], i, j, soma = 0;
  6.  
  7.     for (i = 0; i <= 2; i++){
  8.         for (j = 0; j <= 2; j++){
  9.             printf("Digite o valor [%d][%d] da matriz 3 x 3: ", i + 1, j + 1);
  10.             scanf("%d",&m[i][j]);
  11.  
  12.             if (i == j)
  13.                 soma += m[i][j];
  14.         }
  15.     }
  16.  
  17.     printf("A soma dos elementos da diagonal principal e' %d.", soma);
  18.  
  19.     return 0;
  20. }
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