#include <bits/stdc++.h>

using namespace std;
ifstream f ("rmq.in");
ofstream g ("rmq.out");
int n,m;
int dp[25][100005];
void citire ()
{
    f>>n>>m;
    for(int i=1;i<=n;++i)
        f>>dp[0][i];


}
void rezolvare()
{
    for(int i=1;i<=log2(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))]);
        }
    }

}

int main()
{
    citire();
    rezolvare();
    for(int i=1;i<=m;++i)
    {
        int a,b;
        f>>a>>b;
        int x=log2(b-a+1);
        g<<min(dp[x][a],dp[x][b-(1<<x)+1])<<"\n";
    }

    return 0;
}