#include <iostream>
#include <cstdio>
#include <vector>

using namespace std;
int dp[20][100005];
int n,m,x,y,k;
int main()
{
    freopen("rmq.in","r",stdin);
    freopen("rmq.out","w",stdout);
    scanf("%d%d", &n,&m);
    for(int i=0;i<n;++i)
    {
        scanf("%d", &x);
        dp[0][i]=x;
    }
    for(int i=1;(1<<i)<=n;++i)
    {
        for(int j=0;j+(1<<(i-1))<n;++j)
            dp[i][j]=min(dp[i-1][j],dp[i-1][j+(1<<(i-1))]);
    }
    for(int i=0;i<m;++i)
    {
        scanf("%d%d", &x,&y);
        --x, --y;
        k=0;
        while((1<<k)<=y-x+1)
            ++k;
        --k;
        cout<<min(dp[k][x],dp[k][y-(1<<k)+1])<<"\n";
    }
    return 0;
}