Anderson.c

#include <stdio.h>

int main(int argc, char const *argv[])
{
    
    int right = 0, up = 0;
    int input;

    do
    {
        scanf("%d", &input);
        switch(input){
            case 0:
                break;
            case 1:
                right++;
                break;
            case -1:
                right--;
                break;
            case 2:
                up++;
                break;
            case -2:
                up--;
                break;
            default:
                break;
        }
    } while (input != 0);
    
    int command;

    if (right != 0 || up != 0)
        printf("Piloto automático ligado\n");

    if (right > 0)
        while(right > 0){
            printf("-1\n");
            right--;
            command++;
        }
    else
        while(right < 0){
            printf("1\n");
            right++;
            command++;
        }    
    if (up > 0)
        while(up > 0){
            printf("-2\n");
            up--;
            command++;
        }
    else
        while(up < 0){
            printf("2\n");
            up++;
            command++;
    }

    printf("Viagem terminada: veículo na base\n");

    if(command > 0)
        printf("Piloto automático ligado durante %d comandos\n", command);

    return 0;
}