///aint iterativ
#include <bits/stdc++.h>
using namespace std;
int m,n,i,x,y,v[200010];
void build()
{
    for(i=n-1; i>=1; --i)
        v[i]=min(v[i*2],v[i*2+1]);
}
int querry(int l,int r)
{
    int ans=200000;
    l+=n-1;
    r+=n;
    while(l<r)
    {
        if(l%2==1)ans=min(ans,v[l++]);
        if(r%2==1)ans=min(ans,v[--r]);
        l/=2;
        r/=2;
    }
    return ans;
}
int main()
{
    ifstream f ("rmq.in");
    ofstream g ("rmq.out");
    f>>n>>m;
    for(i=0; i<n; ++i)
        f>>v[i+n];
    build();
    for(i=1; i<=m; ++i)
    {
        f>>x>>y;
        g<<querry(x,y)<<'\n';
    }
    return 0;
}