#include <iostream>
#include <fstream>
#define NMAX 100000
#define NLOGMAX 18
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int M[NMAX][NLOGMAX],v[NMAX],n,m,log[NMAX];
void logaritm() {
    int k=1;
    for(int i=1;i<=n;i++) {
        if(i>=(1<<k))
            k++;
        log[i]=k-1;
    }
}
void rmq() {
    for(int i=1;i<=n;i++)
        M[i][0]=v[i];
    for(int j=1; (1<<j)<=n; j++)
        for(int i=1; i+(1<<j)-1<=n; i++)
            M[i][j]=min(M[i][j-1],M[i+(1<<(j-1))][j-1]);
}
int main() {
    fin>>n>>m;
    for(int i=1; i<=n; i++)
        fin>>v[i];
    rmq();
    logaritm();
    for(int i=1; i<=m; i++) {
        int x,y;
        fin>>x>>y;
        int k=log[y-x+1];
        fout<<min(M[x][k],M[y-k+1][k])<<endl;
    }
    return 0;
}