#include <fstream>

using namespace std;
ifstream fi("rmq.in");
ofstream fo("rmq.out");
const int nmax=1e5;
int n, m;
int X[nmax+5], log2[nmax+5];
int rmq[nmax+5][20];

int main()
{
    fi>>n>>m;
    for(int i=1; i<=n; i++)
    {
        int x;
        fi>>x;
        rmq[i][0]=x;
    }

    log2[1]=0;
    for(int i=2; i<=n; i++)
        log2[i]=log2[i/2]+1;

    for(int j=1; j<=log2[n]; j++)
        for(int i=1; i<=n-(1<<j)+1; i++)
            rmq[i][j]=min(rmq[i][j-1], rmq[i+(1<<(j-1))][j-1]);

    while(m--)
    {
        int x, y;
        fi>>x>>y;
        int range=log2[y-x+1];
        fo<<min(rmq[x][range], rmq[y-(1<<range)+1][range])<<"\n";
    }

    fi.close();
    fo.close();
    return 0;
}