#include <bits/stdc++.h>

using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");
int rmq[33][100005],lgm[100005];
int main()
{
    int n,m,l;
    in>>n>>m;
    for(int i=1;i<=n;i++){
        in>>rmq[0][i];
        if(i>1)
            lgm[i]=1+lgm[(i>>1)];
    }
    for(int i=1;i<=lgm[n];i++){
        for(int j=(1<<i);j<=n;j++){
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j-(1<<(i-1))]);
        }
    }
    int x,y;
    while(m--){
        in>>x>>y;
        l=lgm[y-x+1];
        out<<min(rmq[l][x+(1<<l)-1],rmq[l][y]);
    }
    return 0;
}