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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. #define mod 1000000007
  5. #define pb push_back
  6.  
  7.  
  8.  
  9. int  main()
  10. {
  11.     int t=1;
  12.     cin>>t;
  13.  
  14.     while(t--)
  15.     {
  16.  
  17.         int n,m;cin>>n>>m;
  18.  
  19.         ll k ;cin>>k;
  20.  
  21.  
  22.         ll p=0 ;
  23.  
  24.  
  25.         ll cnt=1;
  26.  
  27.  
  28.         int ptr1 =2,ptr2= n+m ;
  29.  
  30.  
  31.         while(ptr1<ptr2)
  32.         {
  33.             if(cnt%2==1){
  34.  
  35.  
  36.                 p = p^(k+ptr1)^(k+ptr2);
  37.                 ptr1++;ptr2--;
  38.                 cnt++;
  39.                 continue;
  40.             }
  41.  
  42.             ptr1++;ptr2--;
  43.  
  44.             cnt++;
  45.         }
  46.  
  47.         cout<<p<<"\n";
  48.     }
  49. }
  50.  
  51.  
Success #stdin #stdout 0.74s 4952KB
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https://ideone.com/M4NzcT
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
public

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