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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. long lol(int n)
  5. {
  6.     return ((n) + (n*n) + (n*n*n));
  7. }
  8.  
  9. int main()
  10. {
  11.     int num;
  12.     int n = 1;
  13.     long sum;
  14.     cin>>num;
  15.  
  16.  
  17.     while (n <= num)
  18.     {
  19.         if(num > 1000000000)
  20.             break;
  21.         sum = lol(n);
  22.         if(sum % num == 0)
  23.         {
  24.             cout <<n;
  25.             return 0;
  26.         }
  27.         n++;
  28.         if(n > 1000000)
  29.             break;
  30.     }
  31.     cout <<-1;
  32. }
Success #stdin #stdout 0.02s 5324KB
comments (?)
stdin
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99999999
stdout
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-1
https://ideone.com/d3FUV2
language:
C++ (gcc 8.3)
created:
16 hours ago
visibility:
public

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