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#include <bits/stdc++.h>
using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");
int n,a[100100],m,l,r,M[100100][19],sol;
int logg(int n)
{
int ans=0;
while(n/2>=1) n/=2,ans++;
return ans;
}
int main()
{
in>>n>>m;
for(int i=1;i<=n;i++) in>>a[i];
for(int i=1;i<=n;i++) M[i][0]=a[i];
for(int i=1;(1<<i)<=n;i++)
for(int j=1;j+(1<<i)-1<=n;j++)
{
M[j][i]=min(M[j][i-1],M[j+(1<<(i-1))][i-1]);
cout<<j<<" "<<i<<" "<<M[j][i]<<'\n';
}
for(int i=1;i<=m;i++)
{
in>>l>>r;
int k=logg(r-l+1);
sol=min(M[l][k],M[r-(1<<k)+1][k]);
out<<sol<<'\n';
}
return 0;
}