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#include <fstream>
#include <cmath>
#include <iostream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int n,m;
int A[10100];
int B[10100][20];
int mini(int st,int dr)
{
int l=dr-st+1;
int k=(int)log(l);
if (A[B[st][k]] <= A[B[dr - (1<<k)+1][k]])
return A[B[st][k]];
else
return A[B[dr - (1<<k) + 1][k]];
}
int main()
{
fin>>n>>m;
for (int i=0; i<n; i++)
fin>>A[i];
for (int i=0; i<n; i++)
B[i][0]=i;
for (int j = 1; 1 << j <= n; j++)
{
for (int i = 0; i + (1 << j) - 1 < n; i++)
{
if (A[B[i][j - 1]] < A[B[i + (1 << (j - 1))][j - 1]])
B[i][j]=B[i][j-1];
else
B[i][j] = B[i + (1 << (j - 1))][j - 1];
}
}
for (int i=1; i<=m; i++)
{
int x,y;
fin>>x>>y;
fout<<mini(x-1,y-1)<<"\n";
}
return 0;
}