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  1. import java.util.Scanner;
  2. class twt
  3.     {
  4.     public static void main(String args[]) 
  5.         {
  6.     Scanner s = new Scanner(System.in);
  7.     int n,k,i,j,c,p;
  8.     String x ;
  9.     String y;
  10.  
  11.     n = s.nextInt();
  12.     k = s.nextInt();
  13.     i = k;
  14.     c = 0;
  15.     int a[] = new int[1002];
  16.     while(true)
  17.         {
  18.  
  19.         i--;
  20.         x = s.next();
  21.  
  22.         if(x.equals("CLOSEALL"))
  23.             {
  24.             c = 0;
  25.             System.out.println(c);
  26.             for(p=0;p<n;p++)
  27.             a[p]=0;
  28.             }
  29.         else
  30.             {
  31.                 y = s.next();
  32.                 j = Integer.parseInt(y);
  33.                 if(a[j]==0)
  34.                 {
  35.                 a[j]++;
  36.                 c++;
  37.                 System.out.println(c);
  38.                 }
  39.                 else
  40.                 {   
  41.                 a[j]--;
  42.                 c--;    
  43.                 System.out.println(c);
  44.                 }
  45.             }   
  46.         if(i==0)
  47.         break;
  48.         }
  49.         }
  50.     }
Success #stdin #stdout 0.05s 246080KB
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https://ideone.com/A6o21
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
secret

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