#include <fstream>
using namespace std;
ifstream  cin ("rmq.in");
ofstream  cout ("rmq.out");
const int MAXVAL=100100;
const int putere=20;
int v[MAXVAL+1];
int dp[MAXVAL+1][putere+1];
int log_2[MAXVAL+1];
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    int n, m;
    cin>>n>>m;
    for (int i=1; i<=n; i++){
        cin>>v[i];
    }
    for(int i=2;i<=n;i++){
        log_2[i]=log_2[i/2]+1;

    }
    for (int i=1; i<=n; i++){
        dp[i][0] = v[i];
    }
    for (int i=n; i>=1; i--){
        for (int j=1;(1<<j)-i-1<=n; j++){
            dp[i][j] = min(dp[i][j-1], dp[i+(1<<j-1)][j-1]);
        }
    }
    for (int i=1; i<=m; i++){
        int a, b;
        cin>>a>>b;
        int d = b - a + 1;
        int l =log_2[d];
        cout<<min(dp[a][l], dp[b-(1<<l)+1][l])<<'\n';
    }
    return 0;
}