#include <cstdio>
#include <algorithm>
#define MAXN 100001
int r[MAXN][17],v[MAXN],log[MAXN];
int main()
{
    FILE *fin,*fout;
    fin=fopen("rmq.in","r");
    fout=fopen("rmq.out","w");
    int n,m,a,b,l;
    fscanf(fin,"%d%d",&n,&m);
    for(int i=1;i<=n;i++)
        fscanf(fin,"%d",&v[i]);
    for(int i=1;i<=n;i++)
    {
        r[i][0]=v[i];
        for(int j=1;(1<<j)<=i;j++)
            r[i][j]=std::min(r[i][j-1],r[i-(1<<(j-1))][j-1]);
    }
    for(int i=2;i<=n;i++)
        log[i]=1+log[i>>1];
    for(int i=0;i<m;i++)
    {
        fscanf(fin,"%d%d",&a,&b);
        l=log[b-a+1];
        fprintf(fout,"%d\n",std::min(r[b][l],r[a+(1<<l)-1][l]));
    }
    fclose(fin);
    fclose(fout);
    return 0;
}