[已解决]求各位看下有什么问题！！

wang13426564043

#include <stdio.h>
#include <math.h>
int main(void)

{
        double la, lb, lc, cosc, sinc, area;
        scanf_s(" %f, %f, %f", &la, &lb, &lc);
        cosc = la * la + lb * lb - lc * lc / 2 *la * lb;
        sinc = sqrt(1 - cosc * cosc);
        area = la * lb * sinc / 2;
        printf("%.6f", area);
        return 0;
}

最佳答案

月排行榜 / 总排行榜

jitianmoshen

2020-10-28 22:28:05

scanf_s("%lf%lf%lf", &la, &lb, &lc)
double类型用%lf,

跳转到最佳答案楼层

jitianmoshen

scanf_s("%lf%lf%lf", &la, &lb, &lc)
double类型用%lf,