题解 | #求解立方根#

#include <stdio.h>

int main() {
    double val;
    scanf("%lf",&val);
    double high = 20;
    double low = -20;
    //二分查找精度0.001
    while(val - low * low * low > 0.001) {
        double mid = (low + high) / 2;
        if (mid * mid * mid < val) {
            low = mid;
        }
        else{
            high = mid;
        }
    }
    printf("%.1f", low);
    return 0;
}