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#include <fstream>
#include <cmath>
using namespace std;
ifstream cin("rmq.in");
ofstream cout("rmq.out");
const int n_max=100001;
const int log_n_max=17;
int n, q, i, v[n_max], m[n_max][log_n_max], x, y;
void rmq(int v[], int n)
{
int i, j;
for(i=0; i<n; i++) m[i][0]=i;
for(j=1; 1<<j<=n; j++)
for(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];
}
int query(int v[], int x, int y)
{
int k=log2(y-x+1);
if(v[m[x-1][k]]<v[m[y-(1<<k)][k]]) return v[m[x-1][k]];
return v[m[y-(1<<k)][k]];
}
int main()
{
cin>>n>>q;
for(i=0; i<n; i++) cin>>v[i];
rmq(v, n);
while(q--)
{
cin>>x>>y;
cout<<query(v, x, y)<<'\n';
}
return 0;
}