#include<bits/stdc++.h>
using namespace std;
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define dbg(x) cout << #x << '=' << x << '\n';
#define ll long long
#define sz size()
#define x first
#define y second
#define pi pair <int, int>
#define pii pair <int, pi>
#define vi vector <int>
const ll mod = 1e9 + 7;
int n, a[100001], mn[100001][26], q;

int32_t main(){
    ios_base :: sync_with_stdio(0); cin.tie(); cout.tie();
    ifstream cin("rmq.in");
    ofstream cout("rmq.out");
    cin>>n>>q;
    for(int i=1; i<=n; i++){
        cin>>a[i];
    }
    for(int i=1; i<=n; i++) mn[i][0]=a[i];
    for(int j=1; (1<<j)<=n; j++){
        for(int i=1; i+(1<<j)<=n+1; i++){
            mn[i][j]=min(mn[i][j-1], mn[i+(1<<(j-1))][j-1]);
        }
    }
    //for(int i=1; i<=n-(1<<2)+1; i++) cout<<mn[i][2]<<" ";
    while(q--){
        int l, r;
        cin>>l>>r;
        int lg=log2(l-r+1);
        lg++;
        cout<<min(mn[l][lg], mn[r-(1<<lg)+1][lg])<<"\n";
    }
}