ARRAY----SUbARRAY WITH SUM K

#include <iostream>
using namespace std;

int main() {
	int t,n,a[105],start,end,i,s,sum,j;
	cin>>t;
	while(t--)
	{
	    j=0;
	    cin>>n>>s;
	    for(i=0;i<n;i++)
	    cin>>a[i];
	    sum=a[0];
	    start=0;
	    for(i=1;i<=n;i++)
	    {
	        while(sum>s)
	        {
	            sum=sum-a[start];
	            start++;
	            
	        }
	        if(sum==s)
	        {
	            j=1;
	            end=i-1;
	            break;
	        }
	        if(i<n)
	        sum+=a[i];
	        
	    }
	    if(j==1)
	    cout<<start+1<<" "<<end+1<<endl;
	    else cout<<"-1"<<endl;
	}
	return 0;
}