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문제 코드 import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.HashSet; import java.util.StringTokenizer; public class Main { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine()); StringTokenizer st = new StringTokenizer(br.readLine()); HashSet hs = new ..

문제 코드 import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; public class Main { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine()); ArrayList arr = new ArrayList(); for (int i = 0..

문제 코드 import java.io.BufferedReader; import java.io.InputStreamReader; public class Main { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String input = br.readLine(); System.out.println(Integer.parseInt(input, 16)); } } 출처 https://www.acmicpc.net/problem/1550

문제 코드 import java.io.BufferedReader; import java.io.InputStreamReader; public class Main { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringBuilder sb = new StringBuilder(); int n = Integer.parseInt(br.readLine()); int sum = 1; for (int i = 0; i < n; i++) { sb.append(sum++ + "\n"); } System.out.println(sb); ..

문제 코드 import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Main { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(br.readLine(), ","); int sum = 0; while (st.hasMoreTokens()) { sum += Integer.parseInt(st.nextToken(..

문제 코드 import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Main { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(br.readLine()); int sum = 0; while (st.hasMoreTokens()) { sum += Integer.parseInt(st.nextToken()); }..

문제 코드 import java.io.BufferedReader; import java.io.InputStreamReader; public class Main { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String[] arr = br.readLine().split(" "); if (arr.length 4) { return; } String a = arr[0] + arr[1]; String b = arr[2] + arr[3]; System.out.println(Long.valueOf(a) + Long.valueO..

문제 코드 import java.io.BufferedReader; import java.io.InputStreamReader; public class Main { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String[] arr = br.readLine().split(" "); int cnt = 0; for (int i = 0; i < arr.length; i++) { if (!arr[i].isEmpty()) { cnt++; } } if (arr.length == 0) { System.out.println(0); ..