#include <bits/stdc++.h>
#define DIM 100010
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int n,m,x,y,i,j,p,rmq,d[20][DIM],l[DIM];
int main() {
    fin>>n>>m;
    for (i=1;i<=n;i++)
        fin>>d[0][i];
    for (i=2;i<=n;i++)
        l[i]=1+l[i/2];
    for (i=1;i<=l[n]+1;i++) {
        for (j=1;j<=n;j++) {
            d[i][j]=d[i-1][j];
            if (j+(1<<(i-1))<=n)
                d[i][j]=min(d[i][j],d[i-1][j+(1<<(i-1))]);
        }
    }
    for (i=1;i<=m;i++) {
        fin>>x>>y;
        if (x>y)
            swap(x,y);
        p=l[y-x+1];
        rmq=min(d[p][x],d[p][y-(1<<p)+1]);
        fout<<rmq<<"\n";
    }
    return 0;
}