题解 | 构造数对
构造数对
https://www.nowcoder.com/practice/c16b86c1149a43eaaa0fd85aaee51290
#include <iostream>
using namespace std;
#include<algorithm>
#include<cmath>
int main(){
int x;
cin>>x;
if(x==1){
cout<<-1;
}
else{
int n=sqrt(x);
cout<<n*2<<' '<<n*2;
}
return 0;
}
查看20道真题和解析