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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int matriz[3][3] = { { 5, -8, 10 }, { 1, 2, 15 }, { 25, 10, 7}  };
  5.  
  6.     int array[3] = {0};
  7.  
  8.     for(int linha = 0; linha < 3; linha++){
  9.         for(int coluna = 0; coluna < 3; coluna++){
  10.             printf("%d  ", matriz[linha][coluna]);
  11.         }
  12.         printf("\n");
  13.     }
  14.     int soma;
  15.     for(int col = 0; col < 3; col++){
  16.         soma = 0;
  17.         for(int lin = 0; lin < 3; lin++){
  18.             soma = soma + matriz[lin][col];   
  19.         }
  20.         array[col] = soma;
  21.     }
  22.  
  23.     printf("\nA soma das colunas da matriz é:\n");
  24.     for(int r = 0; r < 3; r++){
  25.         printf("%d  ", array[r]);   
  26.     }
  27.  
  28.     return 0;
  29. }
  30.  
Success #stdin #stdout 0s 4708KB
comments ()
stdin 
Standard input is empty
stdout 
5  -8  10  
1  2  15  
25  10  7  

A soma das colunas da matriz é:
31  4  32
https://ideone.com/h8DZCj
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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