#include<fstream>
using namespace std;
#define NMAX 100005
#define LGMAX 20

ifstream fin("rmq.in");
ofstream fout("rmq.out");

int v[NMAX], a[LGMAX][NMAX],n, log[NMAX];

int main(){
    int i,j,m;

    fin>>n>>m;
    for(i=1;i<=n;i++){
        fin>>v[i];
        a[0][i]=v[i];
    }

    for(i=2;i<=n;i++)log[i]=log[i/2]+1;

    for(i=1;i<=log[n];i++){
        for(j=1;j+(1<<i)-1<=n;j++)
        a[i][j]=min(a[i-1][j],a[i-1][j+(1<<(i-1))]);
    }
    int x,y, k;

    for(i=1;i<=m;i++){
        fin>>x>>y;
        k=log[y-x+1];
        fout<<min(a[k][x],a[k][y-(1<<k)+1])<<'\n';
    }
return 0;
}