#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("rmq.in");
ofstream fout("rmq.out");
int rmq[18][100001];
int main()
{
    int n,m;
    fin>>n>>m;
    for (int i=0;i<n;i++)
        fin>>rmq[0][i];

    for (int i=1,lg=2;lg<=n;lg<<=1,i++)
        for (int j=0; j<=n-lg; j++)
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+(1<<(i-1))]);

    for (int i=0; i<m; i++) {
        int a,b;
        fin>>a>>b;
        a--,b--;//pentru ca avem indici bazati pe 1
        int lg=b-a+1;
        int p;
        for (p=1;(1<<p)<=lg;p++);p--;
        fout<<min(rmq[p][a],rmq[p][b-(1<<p)+1])<<endl; //hmm
    }

    return 0;
}