#include<fstream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int i,n,m,x,y,j,e,len,r[100][100010],put[100010];
int main(){
    fin>>n>>m;
    for(i=1;i<=n;i++)
        fin>>r[0][i];
    for(i=1;(1<<i) <=n;i++){
        for(j=1;j<=n;j++)
            if(j+(1<<(i-1))<=n)
                r[i][j]=min(r[i-1][j], r[i-1][j+(1<<(i-1))]);
    }
    for(i=2;i<=n;i++)
        put[i]=1+put[i/2];
    for(i=1;i<=m;i++){
        fin>>x>>y;
        e=put[y-x+1];
        len=(1<<e);
        fout<<min(r[e][x],r[e][y-len+1])<<"\n";

    }

    return 0;
}