#include <fstream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
long long p2[17];
int lg[100001];
int rmq[100001][17];
int main(){
    p2[0] = 1;
    int v[100001];
    int n, m;
    fin >> n >> m;
    for (int i = 1; i <= 16; i++) {
        p2[i] = p2[i-1] * 2;
    }
    for (int i = 2; i <= n; i++){
        lg[i] = lg[i / 2] + 1;
    }
    for (int i = 1; i <= n; i++){
        fin >> v[i];
        rmq[i][0] = v[i];
    }
    for (int j = 1; j <= lg[n]; j++){
        for (int i = 1; i + p2[j] - 1 <= n; i++){
            rmq[i][j] = min(rmq[i][j - 1], rmq[i + p2[j-1]][j - 1]);
        }
    }
    for (int i = 1; i <= m; i++){
        int st, dr;
        fin >> st >> dr;
        int len = dr - st + 1;
        int log = lg[len];
        fout << min(rmq[st][log], rmq[dr - p2[log] + 1][log]) << '\n';
    }
    return 0;
}