规范题解

#include <bits/stdc++.h>
using namespace std;
int main() {
int n;
cin >> n;
bool isCube = false;
for (int x = 1; x <= n; ++x) {
if (x * x * x == n) {
isCube = true;
break;
}
}
if (isCube) {
cout << "Yes" << endl;
} else {
cout << "No" << endl;
}
}