实验二task4

include <stdio.h>

int main() {
float exp, total = 0.0f, max = 0.0f, min = 20000.0f;

while (1) {
    scanf_s("%f", &exp);

    if (exp == -1) {
        break;
    }

    if (exp > max) {
        max = exp;
    }

    if (exp < min) {
        min = exp;
    }

    total += exp;
}

printf("最高开销: %.1f\n", max);
printf("最低开销: %.1f\n", min);
printf("总开销: %.1f\n", total);

return 0;

}