boiled eggs

#include<bits/stdc++.h>
using namespace std;

int main()
{
    int a,b,c,t,i,j;
    scanf("%d",&t);
    for(i=0; i<t; i++)
    {
        int sum=0,count=0,k=0;
        scanf("%d %d %d",&a,&b,&c);
        int ar[a];
        for(j=0; j<a; j++)
        {
            scanf("%d",&ar[j]);
        }
        int n = sizeof(ar)/sizeof(ar[0]);
        sort(ar,ar+n);
        while(sum<c&&count<b)
        {
            sum+=ar[k];
            count++;
            if(sum>c)
            {
                count--;
                break;
            }
            k++;

        }
        printf("Case %d: %d\n",i+1,count);
    }
}