#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int N,v[100099],Q,log2[25],RMQ[25][100099];


int main()
{
    f>>N>>Q;
    for(int i=1;i<=N;++i) f>>v[i];

    log2[1]=0;
    for(int i=2;i<=N;++i)log2[i]=log2[i/2] + 1;

    for(int i=1;i<=N;++i)RMQ[0][i]=v[i];
    for(int i=1; (1<<i)<=N; ++i)
        for(int j=1; j<=N-(1<<i)+1 ; ++j)
            RMQ[i][j]=min( RMQ[i-1][j] , RMQ[i-1][j+(1<<i-1)] );

    for(int i=1;i<=Q;++i)
    {
        int left, right;
        f>>left>>right;
        int diff=right-left+1;
        int log=log2[diff];
        int sol= min( RMQ[log][left] , RMQ[log][right-(1<<log)+1] );
        g<<sol<<'\n';
    }
    f.close();g.close();
    return 0;
}