찰떡개발자 코딩

1). 문제 : www.hackerrank.com/challenges/java-static-initializer-block Java Static Initializer Block | HackerRank Initialize some variables using Static initialization blocks! www.hackerrank.com 2). 풀이 import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; public class Solution { static int B; static int H; static boolean flag; static{ Scanner sc = ..

1). 문제 : www.hackerrank.com/challenges/java-end-of-file/problem 2). 풀이 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 input = new Scanner(System.in); String line; int i = 1; while(input.hasNext()){ line = input.nextLine(); System.out.println(i + " "+ line); i++; } } }..

문제 : https://www.hackerrank.com/challenges/java-loops/problem Java Loops II | HackerRank Use loops to find sum of a series. www.hackerrank.com 풀이 : import java.util.*; import java.io.*; class Solution{ public static void main(String []argh){ Scanner in = new Scanner(System.in); int t=in.nextInt(); for(int i=0;i

1). 문제 2). 풀이 import java.util.Scanner; public class Solution { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int i = scan.nextInt(); double d = scan.nextDouble(); String T = scan.nextLine(); String s = scan.nextLine(); System.out.println("String: " + s); System.out.println("Double: " + d); System.out.println("Int: " + i); } } 3). 설명 처음에 아무 생각없이 nextDouble()을 쓰고..