#include<stdio.h>

FILE *fin=fopen("rmq.in","r"),
    *fout=fopen("rmq.out","w");

int N,K,M[100005][20],a[100005];


int main(){
    fscanf(fin,"%d %d",&N,&K);

    for(int i=1;i<=N;i++){
        fscanf(fin,"%d",&a[i]);
        M[i][0]=i;
    }

    for(int j=1;1<<j <=N;j++)
        for(int i=1;i+(1<<j)-1<=N;i++)
            if(a[M[i][j-1]]<=a[M[i+(1<<(j-1))][j-1]])
                M[i][j]=M[i][j-1];
            else
                M[i][j]=M[i+(1<<(j-1))][j-1];


    for(int k=1;k<=K;k++){
        int i,j;
        fscanf(fin,"%d %d",&i,&j);

        int l;
        for(l=0;1<<l<=(j-i+1);l++);
        --l;

        if(a[M[i][l]]<a[M[j-(1<<l)+1][l]])
            fprintf(fout,"%d\n",a[M[i][l]]);
        else
            fprintf(fout,"%d\n",a[M[j-(1<<l)+1][l]]);
    }


    fclose(fin);
    fclose(fout);
    return 0;
}