#include <cstdio>
#include <iostream>

using namespace std;

const int nmx = 100002;

int n,m,lg[nmx];
int dp[20][nmx];

void creare_puteri(){
    lg[1] = 0;
    for(int i = 2; i <= n; ++i)
        lg[i] = lg[i/2] + 1;
}

void citire(){
    scanf("%d %d", &n, &m);
    for(int i = 1; i <= n; ++i)
            scanf("%d", &dp[0][i]);
}

void dinamica(){
    for(int i = 1; (1 << i) <= n; ++i)
        for(int j = 1; j + (1 << i) - 1 <= n; ++j)
            dp[i][j] = min(dp[i-1][j],dp[i-1][j+(1<<(i-1))]);
}

void query(){
    int x,y,k;
    for(int i = 1; i <= m; ++i){
        scanf("%d %d", &x, &y);
        k = lg[y-x+1];
        printf("%d\n", min(dp[k][x],dp[k][y-(1<<k)+1]));
    }
}

int main(){
    freopen("rmq.in", "r", stdin);
    freopen("rmq.out", "w", stdout);
    citire();
    creare_puteri();
    dinamica();
    query();
    return 0;
}