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  1. #include <iostream>
  2. using namespace std;
  3. int main()
  4. {
  5.     ios_base::sync_with_stdio(0);
  6.     cin.tie(0);
  7.     int a, b, k;
  8.     cin >> a >> b >> k;
  9.     cout << ((b - a) / k) + 1;
  10.     return 0;
  11. }
Success #stdin #stdout 0.01s 5320KB
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https://ideone.com/6so4HW
language:
C++ (gcc 8.3)
created:
3 hours ago
visibility:
public

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