Latihan UAP S1 2019 (04/12/2019)

/*
    Abang tuh bilang soalnya harus diselesaikan dengan cara sorting manual,
    bukan dengan sorting library otomatis dari java.util.Arrays; . Jadi,
    ada 2 cara mengerjakan no.1
*/
//Cara 1, cara yang curang dengan library java.util.Arrays;
import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        Scanner in = new Scanner (System.in);
        int x = in.nextInt();
        int [] angka = new int [x];
        for(int i = 0; i < angka.length; i++){
            angka[i] = in.nextInt();
        }
        Arrays.sort(angka);
        for(int i = 0; i < angka.length; i++){
            System.out.print(angka[i]+" ");
        }

    }

}

//Cara 2, cara manual yang diinginkan KaTing
import java.util.*;
import java.lang.*;

/*@author Ronaldoztupang*/

public class SortingManual {
    public static String atur(int [] angka){
        for(int i = 0; i < angka.length-1; i++){
            if(angka[i] > angka[i+1]){
                int smp1 = angka[i], smp2 = angka[i+1];
                angka[i] = smp2;
                angka[i+1] = smp1;
                atur(angka);
            }
        }
        String balik = "";
        for(int i = 0; i < angka.length; i++){
            balik = balik + Integer.toString(angka[i])+" ";
        }
        return balik;
    }

    public static void main(String[] args) {
        //banyak algoritma sorting yang tersedia di internet
        //disarankan menggunakan bubble sort karena paling mudah dipahami
        Scanner in = new Scanner (System.in);
        int x = in.nextInt();
        int [] angka = new int [x];
        for(int i = 0; i < angka.length; i++){
            angka[i] = in.nextInt();
        }
        System.out.println(atur(angka));
    }

}

//No.2

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        System.out.println(hitung(n));
    }
    public static int hitung(int n){
        int total = 0;
        String angka = Integer.toString(n);
        String [] pisah = angka.split("");
        for(int i = 0; i < pisah.length; i++){
            total = total + Integer.parseInt(pisah[i]);
        }
        return total;
    }
}