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  1. #include <iostream>
  2. #include <cstdio>
  3. #include <climits>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	int n, a, b, sum, max;
  8. 	sum=0;
  9. 	max=INT_MIN;
  10. 	scanf("%d", &n);
  11. 	while(n--) {
  12. 		scanf("%d%d", &a, &b);
  13. 		sum=sum-a+b;
  14. 		if(sum>max) max=sum;
  15. 	}
  16. 	printf("%d", max);
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 3300KB
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stdin
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4
0 3
2 5
4 2
4 0
stdout
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6
https://ideone.com/w9XSS5
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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