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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int N, P, competidores = 0, x, y;
  5. 	scanf("%i %i",&N,&P);
  6.  
  7. 	for(int i = 0; i < N; i++){
  8. 		scanf("%i %i",&x,&y);
  9. 		if (x + y >= P) {
  10. 			competidores++;
  11. 		}
  12. 	}
  13.  
  14. 	printf("%i\n",competidores);
  15.  
  16. 	return 0;
  17. }
  18.  
  19.  
Success #stdin #stdout 0s 2172KB
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stdin
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3 100
50 50
100 0
49 50
stdout
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2
https://ideone.com/AMv0X8
OBI [OBI 2008]
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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