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  1. #include<iostream>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6.     int a,b;
  7.     cin >> a >> b;
  8.     if( (b-a) >= 4038)
  9.         cout<<'0';
  10.     else
  11.     {
  12.         int ans = 2018;
  13.         for(int i=a;i<=b;i++)
  14.             for(int j=i+1;j<=b;j++)
  15.             {
  16.                 int now = ( (i%2019)*(j%2019) )%2019;
  17.                 if( now < ans )
  18.                     ans = now;
  19.             }
  20.         cout << ans ;
  21.     }
  22. }
Success #stdin #stdout 0.01s 5516KB
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stdin
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1090 1091
stdout
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2018
https://ideone.com/JkF0DS
language:
C++ (gcc 8.3)
created:
325 days ago
visibility:
public

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