#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int n,m,pos,st,dr,val,tree[400010],type,minim;
void update(int node, int left, int right)
{
if(left==right)
{
tree[node]=val;
return;
}
int mid=(left+right)/2;
if(pos<=mid)
update(2*node,left,mid);
else
update(2*node+1,mid+1,right);
tree[node]=min(tree[2*node],tree[2*node+1]);
}
void query(int node, int left, int right)
{
if(st<=left && right<=dr)
{
if(minim>tree[node])
minim=tree[node];
return;
}
int mid=(left+right)/2;
if(st<=mid)
query(2*node,left,mid);
if(mid<dr)
query(2*node+1,mid+1,right);
}
int main()
{
fin >> n >> m;
for(int i=1;i<=n;i++)
{
fin >> val;
pos=i;
update(1,1,n);
}
for(;m;--m)
{
fin >> st >> dr;
minim=100005;
query(1,1,n);
fout << minim << '\n';
}
return 0;
}