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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	//scan data
  5. 	int n;
  6. 	scanf("%d",&n);
  7. 	int count;
  8. 	int number[10000000]={0};
  9. 	int a,b;
  10. 	for(count=0;count<n;count++){
  11. 		scanf("%d%d",&a,&b);
  12. 		for(int i=a;i<b;i++)
  13. 			number[i]=1;
  14. 	}
  15. 	int result=0;
  16. 	for(int j=0;j<10000000;j++)
  17. 		if(number[j]==1)
  18. 			result++;
  19. 	printf("%d",result);
  20. 	return 0;
  21. }
  22.  
Success #stdin #stdout 0.02s 40680KB
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https://ideone.com/TpjOjZ
第九題：線段覆蓋長度
language:
C (gcc 8.3)
created:
24 days ago
visibility:
public

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