题解 | #求解立方根#
求解立方根
https://www.nowcoder.com/practice/caf35ae421194a1090c22fe223357dca
#include <cstdio> #include <iostream> using namespace std; int main() { double s; cin>>s; double l = -20,r = 20; while(r-l>1e-8){ double mid = (l+r)/2; if(mid*mid*mid>=s) r = mid; else l = mid; } printf("%.1lf",l); } // 64 位输出请用 printf("%lld")