#include <fstream>
#include <cmath>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int n,m,i,j,a[100005][20],x,y,L;
int main ()
{
f>>n>>m;
for(i=1; i<=n; i++) f>>a[i][0];

for(j=1; (1<<j) <= n; j++)
for(i=1; i+ (1<<(j-1)) <= n; i++)
    a[i][j]=min(a[i][j-1],a[i+(1<<(j-1))][j-1]);

while(m--)
    {
        f>>x>>y;
        L=log2(y-x);
        g<<min(a[x][L],a[y-(1<<L)+1][L])<<'\n';
    }
return 0;
}