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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");
const int NMAX = 100001;
int n,m;
int a[NMAX];
int lg[NMAX];
int sp[NMAX][18];
int main()
{
in>>n>>m;
for(int i=0;i<n;i++)
{
in>>a[i];
sp[i][0] = i;
}
for(int i=2;i<=n;i++)
lg[i] = lg[i/2] + 1;
for(int j=1;(1<<j)<=n;j++)
for(int i = 0;i+(1<<j)-1<n;i++)
if(a[sp[i][j-1]] <= a[sp[i+(1<<(j-1))][j-1]])
sp[i][j] = sp[i][j-1];
else
sp[i][j] = sp[i+(1<<(j-1))][j-1];
int x,y;
int k;
for(int i=1;i<=m;i++)
{
in>>x>>y;
x--;
y--;
k = lg[y-x+1];
if(a[sp[x][k]] <= a[sp[y-(1<<k)+1][k]])
out<<a[sp[x][k]]<<"\n";
else
out<<a[sp[y-(1<<k)+1][k]]<<"\n";
}
in.close();
out.close();
return 0;
}