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#include<bits/stdc++.h>
using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");
int n, m, x, y;
int v[100010];
int M[100010][20];
int main()
{
in >> n >> m;
for(int i=0; i<n; i++)
{
in >> v[i];
M[i][0] = i;
}
for(int j = 1; 1 <<j <= n; j++)
{
for(int i=0; i + (1<<j) - 1 < n; i++)
{
if( v[ M[ i ][ j-1 ] ] < v[ M[ i+(1<<j-1) ][ j-1 ] ] )
{
M[ i ][ j ] = M[ i ][ j-1 ];
}else
{
M[ i ][ j ] = M[ i+(1<<j-1) ][ j-1 ];
}
}
}
for(int i=0; i<m; i++)
{
in >> x >> y;
x--;y--;
int k = log2(y-x+1);
if(v[ M[ x ][ k ] ] <= v[ M[ y - (1<<k) + 1] [ k ] ] )
{
out<<v[ M[ x ][ k ] ] << '\n';
}else
{
out<<v[ M[y - (1<<k) + 1 ][ k ]] << '\n';
}
}
return 0;
}