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  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int a,n,b[1000][2],s[1000],i,j,max=-1000000;
  7. 	cin>>n;
  8. 	for(i=1;i<=n;i++){
  9. 		for(j=0;j<=1;j++){
  10. 			cin>>b[i][j];
  11. 		}
  12. 	}
  13. 	s[1]=b[1][1];
  14. 	for(i=2;i<=n-1;i++){
  15. 		s[i]=s[i-1]+b[i][1]-b[i][0];
  16. 	}
  17. 	for(i=1;i<=n-1;i++){
  18. 		if(max<s[i]) max=s[i];
  19. 	}
  20. 	printf("%d",max);
  21. } 
  22.  
Success #stdin #stdout 0s 2744KB
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https://ideone.com/UJs6t9
language:
C++ 4.3.2 (gcc-4.3.2)
created:
6 years ago
visibility:
public

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