求解立方根

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#include<iostream> #include<iomanip>#include<string>using namespace std;double getcuberoot(double input){double i = 1.0;int flag = 0;while (i < input){if (i*i*i == input){return i;}elsei++;}return flag;}void main(){double n;cin >> n;if (getcuberoot(n))printf("%.1f\n", getcuberoot(n));//精度控制elsecout << "该数没有立方根" << endl;system("pause");}