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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5.     int t;
  6.     cin>>t;
  7.     while(t--)
  8.     {
  9.         int n;
  10.         cin>>n;
  11.         int x, y;
  12.         for(int i = sqrt(n); i >= 1; i--)
  13.         {
  14.             if(n % i == 0)
  15.             {
  16.                 if(i*i == n)
  17.                 {
  18.                     x = i;
  19.                     y = i;
  20.                     break;
  21.                 }
  22.                 else
  23.                 {
  24.                     x = i;
  25.                     y = n/i;
  26.                     if(x*x == -y*y)
  27.                     {
  28.                         break;
  29.                     }
  30.                 }
  31.             }
  32.         }
  33.         //if(x*x == -y*y)
  34.         if((pow(x,y)*y+pow(y,x)*x)==n)
  35.         {
  36.             cout<<x<<" "<<y<<endl;
  37.         }
  38.         else
  39.         {
  40.             cout<<"-1"<<endl;
  41.         }
  42.     }
  43.     return 0;
  44. }
  45.  
Success #stdin #stdout 0.01s 5388KB
comments (?)
stdin
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5
3
7
42
31250
20732790
stdout
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-1
-1
-1
-1
-1
https://ideone.com/zZzMtV
language:
C++14 (gcc 8.3)
created:
1 year ago
visibility:
public

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