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#include <bits/stdc++.h>
#define lim 100005
#define maxx 1000000000
using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");
int n, m, v[lim], q[lim*10];
void read()
{
in>>n>>m;
for(int i=0;i<n; ++i)
{
in>>v[i];
}
}
int create_rmq_tree(int inc, int sf, int pos)
{
if(inc==sf)
{
q[pos]=v[inc];
return 0;
}
int mid=(inc+sf)/2;
create_rmq_tree(inc, mid, 2*pos+1);
create_rmq_tree(mid+1, sf, 2*pos+2);
q[pos]=min(q[2*pos+1], q[2*pos+2]);
}
int minimum(int inc, int sf, int iinc, int isf, int pos)
{
if(iinc<=inc && isf>=sf)
return q[pos];
if(isf<inc || iinc>sf)
return maxx;
int mid=(inc+sf)/2;
return min(minimum(inc, mid, iinc, isf, 2*pos+1), minimum(mid+1, sf, iinc, isf, 2*pos+2));
}
void solve()
{
create_rmq_tree(0, n-1, 0);
int x, y;
for(int i=1; i<=m; ++i)
{
in>>x>>y;
out<<minimum(0, n-1, x-1, y-1, 0)<<'\n';
}
}
int main()
{
read();
solve();
return 0;
}