#include <fstream>
using namespace std;
ifstream cin("rmq.in");
ofstream cout("rmq.out");
const int MAXVAL=100100,putere=20;
int log_2[MAXVAL+1],dp[putere][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>>dp[0][i];
    }
    for(int i=2;i<=n;i++){
        log_2[i]=log_2[i/2]+1;
    }
    for(int j=1;j<=log_2[n];j++){
        for(int i=1;i+(1<<j)-1<=n;i++){
            dp[j][i]=min(dp[j-1][i],dp[j-1][i+(1<<(j-1))]);
        }
    }
    int a,b,l;
    for(int i=1;i<=m;i++){
        cin>>a>>b;
        l=log_2[b-a+1];
        cout<<min(dp[l][a],dp[l][b-(1<<l)+1])<<'\n';
    }
}