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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main() {
  6.     int t;
  7.     cin >> t;
  8.     while(t--){
  9.     	long x,y,k;
  10.     	cin >> x >> y >> k;
  11.     	long moves_X = (x+k-1)/k;
  12.     	long moves_Y = (y+k-1)/k;
  13.     	if(moves_X <= moves_Y)
  14.     		cout << moves_Y*2;
  15.     	else
  16.     		(moves_X-1)*k >= y ? cout << moves_X*2 - 1 : cout << moves_X*2;
  17.     	cout << endl;
  18.     }
  19.     return 0;
  20. }
  21.  
Success #stdin #stdout 0.01s 5280KB
comments (?)
stdin
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3
9 11 3
0 10 8
1000000 100000 10
stdout
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8
4
199999
https://ideone.com/uuL9Zb
language:
C++14 (gcc 8.3)
created:
6 days ago
visibility:
public

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