#include <bits/stdc++.h>
#define pb push_back

using namespace std;

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

void debug_out() { cerr << '\n'; }
template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << H; debug_out(T...);}
#define dbg(...) cerr << #__VA_ARGS__ << " ->", debug_out(__VA_ARGS__)
#define dbg_v(x, n) do{cerr<<#x"[]: ";for(int _=0;_<n;++_)cerr<<x[_]<<" ";cerr<<'\n';}while(0)
#define dbg_ok cerr<<"OK!\n"

typedef pair<int,int> pii;
typedef long long int ll;
typedef long double ld;

const int DMAX = 1e5+10;
const int LogMAX = 25;

int dp[DMAX][LogMAX];

int n,m,k;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int t,i,j;
    int x,y;

    fin>>n>>m;
    for(i=1;i<=n;i++)
        fin>>dp[i][0];
    for(j=1;(1<<j) <= n;j++)
        for(i=1;i+(1<<j)-1 <= n;i++)
            dp[i][j]=min(dp[i][j-1],dp[i+(1<<(j-1))][j-1]);
    while(m--){
        fin>>x>>y;
        if(x > y)
            swap(x,y);
        k=log2(y-x+1);
        fout<<min(dp[x][k],dp[y-(1<<k)+1][k])<<'\n';
    }
    return 0;
}