#include <fstream>
#include <cmath>
#define ll long long int
using namespace std;
ifstream cin("rmq.in");
ofstream cout("rmq.out");
int i,j,p,e,n,q,k,rasp,ex;
int v[200002];
int m[22][300002];
int main()
{
cin>>n>>q;
for(i=1;i<=n;++i) {cin>>v[i];m[0][i]=v[i];}
for(j=1;j<=20;++j) for(i=1;i+(1<<(j-1))<=n;++i)

if (m[j-1][i]>m[j-1][i+(1<<(j-1))])
m[j][i]=m[j-1][i+(1<<(j-1))];
else m[j][i]=m[j-1][i];

for(i=1;i<=q;++i)
{
    cin>>p>>e;
    ex=e-p;
    for(k=21;k;--k)if(ex&(1<<k))break;
    cout<<min(m[k][p],m[k][e-(1<<k)+1])<<'\n';
}
return 0;
}