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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4.  
  5. int a,b;
  6.  
  7. void init(){
  8. cin>>a;
  9. cin>>b;
  10.  
  11. }
  12. void solve(){
  13.     int dem = b / 3 - (a - 1) / 3;
  14.     cout << dem;
  15. }
  16.  
  17. int main(){
  18. init();
  19. solve();
  20. return 0;
  21.  
  22. }
  23.  
Success #stdin #stdout 0.01s 5320KB
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4
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https://ideone.com/yJjEgz
language:
C++14 (gcc 8.3)
created:
17 hours ago
visibility:
public

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