#include <fstream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
const int NMax = 100000;
int RMQ[20][NMax + 5],Log2[NMax + 5];
int N,M;
void Read()
{
    fin >> N >> M;
    for(int i = 1; i <= N; ++i)
        fin >> RMQ[0][i];
}


void Precalculate()
{
    for(int i = 2; i <= N; ++i)
        Log2[i] = Log2[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))]);


}

void SolveandPrint()
{
    while(M--)
    {
        int x,y;
        fin >> x >> y;
        int k = Log2[y-x+1];
        fout << min(RMQ[k][x],RMQ[k][y-(1<<k)+1])<<"\n";
    }
}

int main()
{
    Read();
    Precalculate();
    SolveandPrint();
    return 0;
}