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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	long long int a,b,x,k;
  6. 	cin >> a >> b >> x;
  7. 	if ( (a%x==0) or (b%x==0) or (a%x > b%x )) k= (b-a)/x +1;
  8. 		else k= (b-a)/x;
  9. 	cout << k;
  10. 	return 0;
  11. }
Success #stdin #stdout 0s 15232KB
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13 42   7
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5
https://ideone.com/z6LKhr
1 1000000 324
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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