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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5.     cin.tie(0);cout.tie(0);ios::sync_with_stdio(false);
  6.     int n,m,t=1;
  7.     //cin>>t;
  8.     while(t--)
  9.     {
  10.         cin>>n>>m;
  11.         if(m<=(n+2-1)/2)
  12.             cout<<m*2-1;
  13.         else
  14.         {
  15.             m-=(n+2-1)/2;
  16.             cout<<m*2;
  17.         }
  18.     }
  19.  
  20.  
  21.     return 0;
  22. }
  23.  
Success #stdin #stdout 0.01s 5288KB
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Standard input is empty
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65533
https://ideone.com/ZitkNU
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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