#include <fstream>
#include <cmath>
using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");
int dp[25][100005];
int v[100005];
int main()
{
    int n,m;
    in>>n>>m;
    for(int i=1;i<=n;i++)
        in>>v[i];
    for(int i=1;i<=n;i++)
        dp[0][i]=v[i];
    int l=log2(n);
    for(int i=1;i<=l;i++)
        for(int j=1;j<=n;j++)
        {
            dp[i][j]=min(dp[i-1][j],dp[i-1][j+(1<<(i-1))]);
        }
    for(int i=1;i<=m;i++)
    {
        int x,y;
        in>>x>>y;
        int length=y-x+1;
        int exp=log2(length);
        int lint1=(1<<exp);
        out<<min(dp[exp][x],dp[exp][y-lint1+1])<<'\n';
    }
    return 0;
}