#include<bits/stdc++.h>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
const int NMAX = 200001;

int r[18][NMAX];
int x[NMAX];
int v[NMAX];

int main(){
    int n, t;
    fin>>n>>t;
    for(int i=1; i<=n; i++)
        fin>>v[i];

    x[1] = 0;

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

    for(int j=1; j<=n; j++)
        r[0][j] = v[j];

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

    for(int i=1; i<=t; i++)
    {
        int st, dr;
        fin>>st>>dr;
        int e = x[dr-st+1];
        fout<<min(r[e][st+(1<<e)-1], r[e][dr])<<'\n';
    }
}