CodeChef/Isolation centers at master · CodeFlowOrg/CodeChef · GitHub

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#include<iostream>
using namespace std;

int main()
{
    int t;
    cin>>t;

    while(t--)
    {
        int n,q;
        cin>>n>>q;
        string s;
        cin>>s;

        int iso[q];
        int arr[26];
        for(int j=0;j<q;j++)
        {
            //int y ;
            cin>>iso[j];
            //iso[j] = y;

            for(int i=0;i<26;i++)
        	{
        	    arr[i]=iso[j];
        	}


            for(int i=0;i<n;i++)
        	{
        	    int x = s[i]-97;
        	    arr[x]--;
        	}

        	int count = 0;
            for(int i=0;i<26;i++)
            {
                if(arr[i] < 0)
                {
                    count = count - arr[i];
                }
            }
            //count = -(count);
            cout<<count<<endl;


        }


    }
}