#include <bits/stdc++.h>

using namespace std;

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

int v[100005][30];
int lg2[100005];

int rmq(int a, int b){
    int dif = b-a+1;
    int aux = lg2[dif];
    return min(v[a][aux],v[a + dif-(1<<aux)][aux]);
}

int main()
{
    int n,m,i,a,b,j;
    fin>>n>>m;
    for(i = 1; i <= n; i++){
        fin>>v[i][0];
        lg2[i+1] = lg2[(i+1)/2]+1;
    }
    for(j = 1; j <= lg2[n]; j++){
        for(i = 1; i <= n-(1<<j)+1; i++){
            v[i][j] = min(v[ i ][ j-1 ],v[ i+(1<<(j-1)) ][ j-1 ]);
        }
    }
    for(i = 1; i <= m; i++){
        fin>>a>>b;
        fout<<rmq(a,b)<<'\n';
    }
    return 0;
}