#include <fstream>
#define dim 100001
using namespace std;
int n, m, log[dim], i, j, dp[20][dim], x, y, d, k;
ifstream fin ("rmq.in");
ofstream fout ("rmq.out");

int main () {
    fin>>n>>m;
    for (i=2;i<=n;i++) {
        log[i]=log[i/2]+1;
    }
    for (j=1;j<=n;j++) {
        fin>>dp[0][j];
    }
    for (i=2;i<=log[n];i++) {
        for (j=1;j<=n-(1<<i)+1;j++) {
            dp[i][j]=min(dp[i-1][j], dp[i-1][j+(1<<(i-1))]);
        }
    }

    for (i=1;i<=m;i++) {
        fin>>x>>y;
        d=x-y+1;
        k=log[d];
        fout<<min(dp[k][x], dp[k][y-(1<<k)+1])<<"\n";
    }

    return 0;
}