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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.         int flag = 0;
  13.         for(int i = 2; i <= sqrt(n); i++)
  14.         {
  15.             if(n % i == 0)
  16.             {
  17.                 x = i;
  18.                 y = n/i;
  19.                 if(y*log(x) + x*log(y) == log(n) - x*log(y) - y*log(x))
  20.                 {
  21.                     flag = 1;
  22.                     break;
  23.                 }
  24.             }
  25.         }
  26.         if(flag == 1)
  27.         {
  28.             cout<<x<<" "<<y<<endl;
  29.         }
  30.         else
  31.         {
  32.             cout<<"-1"<<endl;
  33.         }
  34.     }
  35.     return 0;
  36. }
  37.  
Success #stdin #stdout 0.01s 5424KB
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/Tbvimt
language:
C++14 (gcc 8.3)
created:
1 year ago
visibility:
public

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