#include <bits/stdc++.h>
#define DMAX 100010
#define LogDMAX 20

using namespace std;

ifstream fin("rmq.in");
ofstream fout("rmq.out");

int M[DMAX][LogDMAX];

int n,m,k;

inline int minim(int x,int y){
    if(x<y)
       return x;
    return y;
}

int main(){
    int i,j,x,y;
    fin>>n>>m;
    for(i=1;i<=n;i++)
        fin>>M[i][0];
    for(j=1;(1<<j)<=n;j++)
        for(i=1;i+(1<<j)-1<=n;i++)
            M[i][j]=minim(M[i][j-1],M[i+(1<<(j-1))][j-1]);
    while(m--){
        fin>>x>>y;
        k=log2(y-x+1);
        fout<<minim(M[x][k],M[y-(1<<k)+1][k])<<'\n';
    }
    return 0;
}