프로그래머스

문제 답 class Solution { public double solution(int[] arr) { double answer = 0; for(int i = 0; i < arr.length; i++){ answer += arr[i]; } return answer/(double)arr.length; } }

문제 답 class Solution { public int solution(long num) { int answer = 0; if(num==1) return 0; for(int i=0; i

문제 답 class Solution { public String solution(int num) { String answer = ""; if(num % 2 == 0 || num == 0){ answer = "Even"; }else{ answer = "Odd"; } return answer; } }

문제 답 class Solution { public String solution(String phone_number) { String answer = ""; String front = ""; String back = ""; for(int i = 0; i < phone_number.length()-4; i++){ answer += "*"; } back = phone_number.substring(phone_number.length()-4,phone_number.length()); answer += back; return answer; } }

문제 답 import java.util.Scanner; class Solution { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int m = sc.nextInt(); for(int i=0; i