循环-13. 求特殊方程的正整数解(15)

 1 #include<iostream>
 2 #include<iomanip>
 3 #include<cmath>
 4 using namespace std;
 5 int main(){
 6     int i,n,flag=1;
 7     cin>>n;
 8     for(i=1;i<=sqrt(n/2);++i)
 9         if(sqrt(n-pow(i,2))==int(sqrt(n-pow(i,2)))){
10             cout<<i<<" "<<sqrt(n-pow(i,2))<<endl;
11             flag=0;
12         }
13     if(flag)
14         cout<<"No Solution"<<endl;
15     return 0;
16 }