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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
const int NMAX=100001;
const int PMAX=17;
int v[NMAX+1];
int rmq[NMAX+1][PMAX+1];
int Log[PMAX+1];
int queryMin(int l, int r){
int diff = r - l + 1;
int sol = 2147483647; // MAXINT
for (int i = Log[diff]; i >= 0; i--){
if ((1 << i) <= diff){
sol = min(sol, rmq[l][i]);
l += (1 << i);
diff -= (1 << i);
}
}
return sol;
}
int main()
{
unsigned n,m;
fin>>n>>m;
//read the array
for(int i=1;i<=n;++i)
{
fin>>v[i];
}
//precompute log
Log[1]=0;
for(int i=2;i<=n;++i)
Log[i]=Log[i/2]+1;
//precompute rmq
for(int i=1;i<=n;++i)
{
rmq[i][0]=v[i];
}
for(int j=1;j<=Log[n];++j)
{
for(int i=1; i + (1 << j) - 1 <= n; ++i)
{
rmq[i][j]= min(rmq[i][j-1], rmq[i+(1<<(j-1))][j - 1]);
}
}
for(int i=1;i<=m;i++)
{
int x,y;
fin>>x>>y;
fout<<queryMin(x,y)<<endl;
}
fin.close();
fout.close();
return 0;
}