Codechef problem TWTCLOSE

#include <bits/stdc++.h>
using namespace std;
int main()
{
   int N,K,i,count=0,X;
   string s;
   int a[1000]={0};
   cin >> N >> K;
   for (i=0;i<=K;i++)
   {
       cin >> s;
       if (s[2]=='I')
       {
           cin >> X;
       if (a[X]==0)
       {
       a[X]=1;
       count++;
   }
       else
       {
       a[X]=0;
       count--;
   }
       cout<<count<<endl;
   }
   else if (s[2]=='O')
   {
   count=0;
   for(i=1;i<=N;i++)
   a[i]=0;
   cout<<count<<endl;
}
   }
   return 0;
}

codechef twtclose

Asked by: Rishav_Mundhra on April 7, 2019, 6:34 p.m. Last updated on April 7, 2019, 6:34 p.m.

2 Answer(s)

Check your 1st loop for i, it is wrong it should be-

for(i=0;i<k;i++)

Anand_Jhunjhunwala last updated on April 7, 2019, 6:34 p.m. 0 Reply Upvote

Read the constraint carefully. Your array size is not enough. As n can get maximum value equal to 1000 and your size of array is 1000 so your last index is 999.

rishup132 last updated on April 7, 2019, 6:34 p.m. 0 Reply Upvote

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Codechef problem TWTCLOSE

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2 Answer(s)

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