#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int rmq[25][100000];
int log2(int k){
    int n=k/2;
    int j=0;
    while(n){
        n/=2;
        j++;}
    return j;
}
int main(){
    int n,m;
    fin>>n>>m;
    for(int i=1;i<=n;i++){
        fin>>rmq[0][i];
    }
    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))]);
        }
    }
    int x,y;
    for(int i=1;i <=m;i++){
        fin>>x>>y;
        fout<<min(rmq[log2(y-x+1)][x],rmq[log2(y-x+1)][y-(1<<(log2(y-x+1)))+1]);
    }
    return 0;
}