#include<fstream>
using namespace std;
int x, y, p, n, i, j, m, v[100003], d[17][100003];
int minim(int x, int y){
    return x<y?x:y;
}
ifstream in("rmq.in");
ofstream out("rmq.out");
int main(){
    in>>n>>m;
    for(i=1; i<=n; i++)
        in>>d[0][i];
    for(i=2; i<=n; i++)
        v[i]=1+v[i>>1];
    for(i=1; (1<<i)<=n; i++)
        for(j=1; j<=n; j++)
            d[i][j]=minim(d[i-1][j], d[i-1][j+(1<<(i-1))]);
    for(i=1; i<=m; i++){
        in>>x>>y;
        p=v[y-x+1];
        out<<minim(d[p][x], d[p][y-(1<<p)+1])<<"\n";
    }
return 0;
}