4주차 소스코드

4주차.java

// 10809번 알바펫 찾기

import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String str = sc.next();
        for (char i = 'a'; i<='z' ; i++)
            System.out.print(str.indexOf(i) + " ");
    }
}

// 11720번 숫자의 합

import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        sc.nextInt(); // 필요없는 입력
        String[] input = sc.next().split("");
        int[] num = Arrays.stream(input).mapToInt(Integer::parseInt).toArray();
        System.out.print(Arrays.stream(num).sum());
    }
}

import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int sum = 0;
        sc.nextInt(); // 필요없음
        String[] str = sc.next().split("");
        for (String s : str) sum += Integer.parseInt(s);
        System.out.print(sum);
    }
}

// 2750번 수 정렬하기

import java.util.*;
class Main {
	public static void main (String[] args) {
		Scanner sc = new Scanner(System.in);
		int[] num = new int[sc.nextInt()];
		for(int i=0; i<num.length; i++) num[i] = sc.nextInt();
		Arrays.stream(num).sorted().forEach(System.out::println);
	}
}