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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	long long d, p,n,x,c=0,l=0;
  6. 	cin>> d>>p;
  7. 	for (long long i=0;i<d;i++){
  8. 		cin>> n>> x;
  9. 		if ((n/p-x)<0)c++;
  10.  
  11.  
  12. 	}
  13. 	cout << c<<endl;
  14.  
  15.  
  16. 	return 0;
  17. }
Success #stdin #stdout 0.01s 5516KB
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stdin
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5 2
100 50
100 51
10 2
10 10
0 1
stdout
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3
https://ideone.com/eQa5Mo
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
public

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