#include <bits/stdc++.h>
#define for0(i,n) for(int i=0; i<n; i++)
#define for1(i,n) for(int i=1; i<=n; i++)
#define pb push_back
#define mp make_pair
#define all(v) v.begin(), v.end()
#define V vector<int>
#define VP vector<pair<int, int> >
#define clr(A,x) memset(A, x, sizeof(A))
#define cpy(A,B) memcpy(A, B, sizeof(B))
#define g(s) getline(cin, s) ///ai grija la fin/cin ///
#define FASTIO ios_base::sync_with_stdio(0)
#define INF 0x3f3f3f3f
typedef long long ll;
typedef unsigned long long ull;
using namespace std;
//ifstream fin("arbxyz.in"); /// modifica cu numele corespunzator
//ofstream fout("arbxyz.out"); /// modifica cu numele corespunzator
const int CHARMAX = (1 << 10);

class InParsare
{
private:
    FILE *fin;
    char *buffer;
    size_t index_of_buffer;

    char read_character()
    {
        index_of_buffer++;
        if(index_of_buffer == CHARMAX)
        {
            fread(buffer, 1, CHARMAX, fin);
            index_of_buffer = 0;
        }
        return buffer[index_of_buffer];
    }

public:
    InParsare(const char *name)
    {
        fin = fopen(name, "r");
        buffer = new char[CHARMAX]();
        index_of_buffer = CHARMAX - 1;
    }

    template<class T>
    InParsare &operator >> (T &n)
    {
        char c;
        while(!isdigit(c = read_character()) && c != '-');

        int sgn = 1;
        if(c == '-')
        {
            n = 0;
            sgn = -1;
        }
        else n = c - '0';

        while(isdigit(c = read_character()))
            n = n * 10 + c - '0';

        return *this;
    }
};

class OutParsare
{
private:
    FILE *fout;
    char *buffer;
    size_t index_of_buffer;

    void write_character(char character)
    {
        if(index_of_buffer == CHARMAX)
        {
            fwrite(buffer, 1, CHARMAX, fout);
            index_of_buffer = 0;
            buffer[index_of_buffer++] = character;
        }
        else buffer[index_of_buffer++] = character;
    }

public:

    OutParsare(const char *name)
    {
        fout = fopen(name, "w");
        buffer = new char[CHARMAX]();
        index_of_buffer = 0;
    }

    ~OutParsare()
    {
        fwrite(buffer, 1, index_of_buffer, fout);
        fclose(fout);
    }
    template<class T>
    OutParsare &operator << (T n)
    {
        if(typeid(T).name() == typeid(char).name())
        {
            write_character(n);
            return *this;
        }

        if(n <= 9)
            write_character(n + '0');
        else
        {
            (*this) << (n / 10);
            write_character(n % 10 + '0');
        }

        return *this;
    }

};

//InParsare fin("rmq.in"); /// merg numai pt numere
//OutParsare fout("rmq.out"); /// merg numai pt numere + caractere individuale, nu stringuri



const int NMAX = 100001, LOGMAX = 18;

int n, q;
int lg[NMAX], rmq[LOGMAX][NMAX];


int main()
{
    freopen("rmq.in", "r", stdin);
    freopen("rmq.out", "w", stdout);
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> q;
    for(int i = 2; i <= n; i++)
        lg[i] = lg[i / 2] + 1;
    for1(i, n)
        cin >> rmq[0][i];

    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))]);

    for1(nrquey, q)
    {
        int l, r;
        cin >> l >> r;
        int putere = lg[r - l + 1];
        cout << min(rmq[putere][l], rmq[putere][r - (1 << putere) + 1]) << '\n';
    }


    return 0;
}