코딩 테스트/JAVA - 백준 단계별로 풀어보기

import java.io.*;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); StringBuilder sb = new StringBuilder(); String s = br.readLine(); bw.write(String.valueOf((int) s.charAt(0))); ..

import java.io.*;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); StringBuilder sb = new StringBuilder(); int T = Integer.parseInt(br.readLine()); for (int i = 0; i

import java.io.*;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); String S = br.readLine(); bw.write(String.valueOf(S.length())); br.close(); bw.flush(); bw.close();..

import java.io.*;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); String S = br.readLine(); int i = Integer.parseInt(br.readLine()); bw.write(S.charAt(i-1)); br.close(); ..

import java.io.*;import java.util.Arrays;import java.util.StringTokenizer;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); int N = Integer.parseInt(br.readLine()); double[] arr = new dou..

import java.io.*;import java.util.StringTokenizer;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); StringTokenizer st = new StringTokenizer(br.readLine()); int N = Integer.parseInt(st.ne..

import java.io.*;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); int[] arr = new int[10]; int count = 0; boolean check = false; for(int i = 0; i

import java.io.*;import java.util.StringTokenizer;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); int[] arr = new int[30]; for(int i=0; i