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#include <iostream>
#include<fstream>
using namespace std;
int d[18][100001],i,j,k,n,v[100001],nr,m,x,y,poz,e,l;
inline int log(int a)
{
int o=0;while((1<<o)<=a)++o;
return o-1;
}
inline int minim(int a,int b)
{
if(a<b)return a;
return b;
}
int main()
{
ifstream f("rmq.in");
f>>n>>nr;for(i=0;i<n;++i){f>>v[i+1];d[0][i+1]=v[i+1];}
m=log(n)+1;
for(i=1;i<m;++i)
{
for(j=1;j<=n+1-(1<<i);++j)
{
d[i][j]=minim(d[i-1][j],d[i-1][j+1<<(i-1)]);
//cout<<d[i][j]<<" ";
}
//cout<<'\n';
}
ofstream g("rmq.out");
for(j=0;j<nr;++j)
{
f>>x>>y;
k=log(y-x);
e=1<<k;
poz=minim(d[k][x],d[k][y-e+1]);
g<<poz<<'\n';
}
f.close();
g.close();
return 0;
}