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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.     ios_base::sync_with_stdio(false);
  6.     cin.tie(NULL);
  7.     cout.tie(NULL);
  8.  
  9.     char C, x;
  10.     cin >> C;
  11.  
  12.     if (C == 'z') x = 'a';
  13.     else if (C == 'Z') x = 'A';
  14.     else x = C + 1;
  15.  
  16.     cout << x << endl;
  17. }
Success #stdin #stdout 0s 5320KB
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stdin 
Standard input is empty
stdout 

https://ideone.com/wyYlf1
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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