题解 | #求解立方根#

#include<cstdio>
int main(){
	double m,n;
	scanf("%lf", &n);
	if (n > 0){
		m = 0.01;
		while (m*m*m <= n){
			m = m + 0.01;
		}
	}
	else{
		m = -0.01;
		while (m*m*m >= n)
		{
			m = m - 0.01;
		}
	}
		int k = 100 * m;
		if ((k % 10 >= 5)){
			printf("%0.1lf", m);
		}
		else{
			printf("%0.1lf", m - 0.01);
		}
}