#include <bits/stdc++.h>

#define NMax 100005

using namespace std;

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

int N,M;
int x[NMax];
int lg[NMax],RMQ[20][NMax];

int main()
{
    fin>>N>>M;
    for(int i=1;i<=N;i++)
        fin>>x[i], RMQ[0][i]=x[i];

    lg[1]=0;
    for(int i=2;i<=N;i++)
        lg[i]=lg[i/2]+1;

    for(int i=1;(1<<i)<=N;i++)
        for(int j=1;j<=N-(1<<i)+1;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;
        int log=lg[y-x+1];
        int sh=y-x+1-(1<<log);
        fout<<min(RMQ[log][x],RMQ[log][x+sh])<<"\n";
    }

    return 0;
}