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  1. #include <cstdio>
  2. #include <iostream>
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7. int n,j,sum=0;
  8. scanf("%d",&n);
  9. while(n)
  10. {
  11. scanf("%d",&j);
  12. if(j-25>sum) break; 
  13. sum+=25;
  14. n--;
  15. }
  16. if(n) printf("NO\n");
  17. else printf("YES\n");
  18. return 0;
  19. }
  20.  
Success #stdin #stdout 0s 2732KB
comments (?)
stdin 
4
50 50 25 25
stdout 
NO
https://ideone.com/b0HLLw
language:
C++ 4.3.2 (gcc-4.3.2)
created:
11 years ago
visibility:
public

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