题解 | #守形数#
守形数
https://www.nowcoder.com/practice/99e403f8342b4d0e82f1c1395ba62d7b
#include <iostream>
using namespace std;
string func(int n){
int nn =n*n;
if(nn<10)return "No!";
string snn = to_string(nn);
snn = snn.substr(1,snn.length());
if(snn == to_string(n))return "Yes!";
return "No!";
}
int main() {
int n;
while(cin>>n)
cout<<func(n)<<endl;
}
// 64 位输出请用 printf("%lld")
qd
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