fork download 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int i,n,b25,b50,temp;
  6.     cin>>n;
  7.     for(i=0;i<n;i++)
  8.     {
  9.         cin>>temp;
  10.         if(temp==25)
  11.             b25++;
  12.         else if(temp==50)
  13.         {
  14.             if(b25>0)
  15.             {
  16.             b25--;
  17.             b50++;
  18.             }  
  19.             else
  20.             {
  21.                 cout<<"NO";
  22.                 return 0;
  23.             }
  24.  
  25.         } 
  26.         else if(temp==100)
  27.         {
  28.             if(b25>0 && b50>0)
  29.             {   
  30.                 b25--;
  31.                 b50--;
  32.             } 
  33.             else if(b25>2)
  34.                 b25-=3;
  35.             else
  36.             {
  37.                 cout<<"NO";
  38.                 return 0;    
  39.             }
  40.         }
  41.     }
  42.     cout<<"YES";
  43.     return 0;
  44. }
Success #stdin #stdout 0s 3100KB
comments (?)
stdin 
2
25 100
stdout 
NO
https://ideone.com/Ba3Nw7
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!