#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define MAXN 100003
#define LOGMAXN 18

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

long int rmq [LOGMAXN][MAXN], lg[MAXN], v[MAXN];

int main () {
  
    int n, k;
    in >> n >> k;
    
    for (int i = 1; i <= n; i++) {
        in >> v[i];
        rmq[0][i] = v[i];
    }
    lg[1] = 0;
    for (int i = 2; i <= n; i++) {
        lg[i] = lg[i / 2] + 1; 
    }
    for (int i = 1; (1 << i) <= n; i++) {
        for (int j = 1; j  <= n - (1 << i) + 1; j++) {
            rmq[i][j] = min (rmq[i - 1][j], rmq[i - 1][j + (1 << (i - 1))]);
        }
    }
    for (int i = 1; i <= k; i++) {
        long int x, y;
        in >> x >> y;
        long int diff = y - x + 1;
        long int l = lg[diff];
        long int sh = diff - (1 << l);
        out << min(rmq[l][x], rmq[l][x + sh]) << endl;
    }
}