#include <bits/stdc++.h>
#define NMAX 100005
#define LGMAX 18

using namespace std;

/// rmq[i][j] = minimul din intervalul ( j , j+2^i-1 )
/// rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+(1<<(i-1))]);

ifstream fin("rmq.in");
ofstream fout("rmq.out");

int rmq[LGMAX][NMAX],loga[NMAX],i,j,n,m,st,dr;


int query (int x,int y)
{
    int l=loga[y-x+1];
    return min(rmq[l][x],rmq[l][y-(1<<l)+1]);
}

int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;i++) {
        fin>>rmq[0][i];
    }
    for(int i=2;i<=n;i++) {
        loga[i]=loga[i/2]+1;
    }
    for(int i=1;(1<<i)<=n;i++) {
        for(int j=1;j+(1<<i)-1<=n;j++) {
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+(1<<(i-1))]);
        }
    }
    for(int i=1;i<=m;i++) {
        int x,y;
        fin>>x>>y;
        fout<<query(x,y)<<'\n';
    }
    return 0;
}