#include <stdio.h>

int main() {
    int n[9];
   
    for(int i=0; i<9; i++){
        scanf("%d", &n[i]);
    }
    printf("Linha 0: %d", n[0]+n[1]+n[2]);
    printf("\nLinha 1: %d", n[3]+n[4]+n[5]);
    printf("\nLinha 2: %d", n[6]+n[7]+n[8]);

    return 0;
}

Embed on website

To embed this project on your website, copy the following code and paste it into your website's HTML: