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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
long long n,m,i,j,lg[100005],a[100005],k,x,y;
int main()
{
fin>>n>>m;
long long d[n][n];
lg[1]=0;
for(i=2;i<=n;i++)
lg[i]=lg[i/2]+1;
for(i=1;i<=n;i++)
fin>>a[i];
for(i=1;i<=n;i++)
d[0][i]=a[i];
for(i=1;i<=lg[n];i++)
for(j=1;j<=n-(1<<(i-1));j++)
d[i][j]=min(d[i-1][j],d[i-1][j+(1<<(i-1))]);
for(i=1;i<=m;i++)
{
fin>>x>>y;
k=lg[y-x+1];
fout<<min(d[k][x],d[k][y-(1<<k)+1])<<'\n';
}
}