import java.util.*;
public class SpotifyMedium {
public static void main(String[] args) {
List<String> indata = new ArrayList<String>();
System.out.println("Please enter the count of played times and name of the song with a one char gap...");
System.out.println("e.g. 487 LetItBe");
String line;
Scanner stdin = new Scanner(System.in);
while (stdin.hasNextLine() && !(line = stdin.nextLine()).equals("")) {
String[] tokens = line.split(" ");
indata.add(tokens[0] + ":" + tokens[1]);
}
System.out.println("Please enter the total song to select...");
int totalSelect = Integer.parseInt(stdin.nextLine());
stdin.close();
String[][] songList = new String[indata.size()][3];
for (int i = 0; i < indata.size(); i++) {
String[] row = indata.get(i).split(":");
songList[i][0] = row[0];
songList[i][1] = row[1];
songList[i][2] = String.valueOf(i + 1);
}
String[][] calculatedSongList = new String[songList.length][3];
for (int i = 0; i < songList.length; i++) {
for (int j = 0; j < songList[i].length; j++) {
String zipValue = String.valueOf(ZipsLaw(songList.length, i + 1));
String qualityValue = String.valueOf(SongQuality(Double.parseDouble(songList[i][0]), Double.parseDouble(zipValue)));
calculatedSongList[i][j] = songList[i][j] + ":" + qualityValue;
}
}
Arrays.sort(calculatedSongList, new Comparator<String[]>() {
@Override
public int compare(final String[] entry1, final String[] entry2) {
String strObj1[] = entry1[0].split(":");
String strObj2[] = entry2[0].split(":");
Double obj1 = new Double(strObj1[1]);
Double obj2 = new Double(strObj2[1]);
int retval = obj2.compareTo(obj1);
if (retval > 0) {
//System.out.println("obj1 is greater than obj2");
} else if (retval < 0) {
//System.out.println("obj1 is less than obj2");
} else {
//System.out.println("obj1 is equal to obj2");
}
return retval;
}
});
int total = 0;
for (final String[] s : calculatedSongList) {
if (total < totalSelect) {
System.out.println(s[1].split(":")[0]);
}
total++;
}
}
public static double ZipsLaw(double n, double i) {
return (n * n) / i;
}
public static double SongQuality(double fi, double zi) {
return fi / zi;
}
}
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