#include <fstream>

using namespace std;

ifstream cin("br.in");
ofstream cout("br.out");

int sp[30001],v[30001];

int main()
{
    int n,t,i,st,dr,sol,buget,p,mijl;
    cin>>n>>t;
    for(i=1;i<=n;i++)
    {
        cin>>v[i];
        sp[i]=sp[i-1]+v[i];
    }
    for(i=n+1;i<=2*n;i++)
    {
        sp[i]=sp[i-1]+v[i-n];
    }
    for(i=1;i<=t;i++)
    {
        cin>>p>>buget;
        sol=0;
        st=p;
        dr=2*n;
        while(st<=dr)
        {
            mijl=(st+dr)/2;
            if(sp[mijl]-sp[p-1]<=buget)
            {
                sol=mijl;
                    st=mijl+1;
            }
            else
            {
                dr=mijl-1;
            }
        }
        if(sol==0)
        {
            cout<<0<<"\n";
        }
        else
        {
            if(sol-p>=n)
            {
                cout<<n<<"\n";
            }
            else
            {
                cout<<sol-p+1<<"\n";
            }
        }
    }

    return 0;
}