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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int main(){
int N, M, i, j, nr, st, dr;
fin>>N>>M;
int a[N], m[N][N];
for(int i=0; i<N; i++)
fin>>a[i];
for(int i=0; i<N; i++)
m[i][i]=a[i];
for(int j=1; j<N; j++)
{
nr=j;
for(i=0; i<N-j; i++)
{
m[i][nr]=min(m[i+1][nr], m[i][nr-1]);
nr++;
}
}
while(M)
{
fin >> st >> dr;
fout << m[st-1][dr-1] << '\n';
M--;
}
fin.close();
fout.close();
return 0;
}