excel计算结果自动进位

AI

#include#define pi 3.14159265358979323846int mAIn() {double r, c, s, area, v;printf("请输入圆的半径r:");scanf("%lf", &r);c = 2 * pi * r;s = pi * r * r;area = pi * r * r * 4 / 3;v = (1 - (1 / 3) * (1 / 3)) * pi * r * r * r * r;printf("圆的周长是 %.2f", c);printf("圆的面积是 %.2f", s);printf("圆柱体的体积是 %.2f", v);return 0;}