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#include <iostream>
#include <fstream>
using namespace std;
int v[100001][17];
int a[100001];
int pow[17];
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int log(int a){
int ans=0;
int k=1;
while(a - k >= k)
k=k<<1,
++ans;
return ans;
}
int minim(int a,int b){
if(a > b)
return b;
else
return a;
}
void init(int n){
int i,j,t;
for(j=1;j<=n;++j)
v[j][0] = j;
t = log(n);
for(i=1;i<=t;++i)
for(j=1;j<=n - pow[i] + 1;++j)
if(a[v[j][i-1]]<a[v[j + pow[i - 1]][i-1]])
v[j][i] = v[j][i - 1];
else
v[j][i] = v[j + pow[i - 1]][i-1];
}
int main()
{
int n,m,i,x,y,l,p,q;
fin >> n >> m;
for(i=1;i<=n;++i)
fin >> a[i];
pow[0]=1;
for(i=1;i<=17;++i)
pow[i]=pow[i-1]<<1;
init(n);
for(i=1;i<=m;++i){
fin >> x >> y;
l = y - x + 1;
q = log(l);
p = pow[q];
fout << minim(a[v[x][q]],a[v[y - p + 1][q]]) << '\n' ;
}
return 0;
}