#include <fstream>
using namespace std;
const int INF = 1e8;
const int nmax=100001;
int rmq[18][nmax], lg[nmax], n, m;
void PrecRmq() {
    int x=lg[n];
    for(int i=1; i<=x; 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))]);
            //out<<rmq[i][j]<<" ";
        }
        //out<<"\n";
    }
}
int QueryRmq(int a, int b) {
    int dif=(b-a+1);
    rez=min(rmq[lg[dif]][a],rmq[lg[dif]][b-lg[dif]+1]);
    return rez;
}
int main() {
    ifstream in("rmq.in");
    ofstream out("rmq.out");
    for(int i=2; i<=nmax; i++)
        lg[i]=lg[i/2]+1;
    in>>n>>m;
    for(int i=1; i<=n; i++) {
        in>>rmq[0][i];
    }
    PrecRmq();
    int l, r;
    for(int i=1; i<=m; i++) {
        in>>l>>r;
        out<<QueryRmq(l, r)<<"\n";
    }
}