Resposta :
#include <stdio.h>
int main() {
int i, j, a;
i = j = 0;
do {
printf("N[%d]: ",i+1); scanf("%d",&a);
if (a < 0) j += a;
i++;
} while (a != 0);
printf("SOMA: %d\n",j);
return 0;
}
#include <stdio.h>
int main() {
int i, j, a;
i = j = 0;
do {
printf("N[%d]: ",i+1); scanf("%d",&a);
if (a < 0) j += a;
i++;
} while (a != 0);
printf("SOMA: %d\n",j);
return 0;
}