/******************************************************************************

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*******************************************************************************/
#include <iostream>
#include <cmath>
using namespace std;

int sp[100001][18];
int querty(int i,int j){
    int len=j-i+1;
    int k=log2(len);
    return min(sp[i][k],sp[i+len-(1<<k)][k]);
}

int main()
{
    int n,m,k,a,b;
    cin>>n>>m;
    k=log2(n)+1;
    for(int i=0;i<n;i++)
    cin>>sp[i][0];
    for(int i=1;i<k;i++){
        for(int j=0;j+(1<<(i-1))<n;j++){
            sp[j][i]=min(sp[j][i-1],sp[j+(1<<(i-1))][i-1]);
        }
    }
    for(int i=0;i<m;i++) cin>>a>>b,cout<<querty(a-1,b-1)<<"\n";
    
    return 0;
}