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  1. #include <iostream>
  2. #include <vector>
  3. #include <algorithm>
  4. #include <set>
  5. #include <stdio.h>
  6.  
  7. using namespace std;
  8.  
  9. int main() {
  10. int n;
  11. bool t=false;
  12. int dorg=0;
  13. scanf("%d",&n);
  14. for(int i=0; i<n; i++){
  15. 	int x;
  16. 	scanf("%d",&x);
  17. 	if(x==25){
  18. 	dorg+=25;	
  19. 	t=true;
  20. 	}
  21. 	else if(x==50&&dorg<25){
  22. 		t=false;
  23. 		break;
  24. 	}
  25. 	else if(x==50&&dorg>=25){
  26. 		dorg+=25;
  27. 		t=true;
  28. 	}
  29. 	else if(x==100&&dorg<75){
  30. 		t=false;
  31. 		break;
  32. 	}
  33. 	else if(x==100&&dorg>=75){
  34. 		dorg+=25;
  35. 		t=true;
  36. 	}
  37. }
  38. if(t){printf("YES\n");}
  39. else {printf("NO\n");}
  40. 	return 0;
  41. }
Success #stdin #stdout 0s 3416KB
comments (?)
stdin
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3
25 50 50
stdout
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YES
https://ideone.com/O9l6gr
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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