Long 곱연산을 실행하면, int 범위를 넘어가므로 100점을 맞으려면 Long 사용해야 한다. int [ 4 Byte ] : -2,147,483,648 ~ 2,147,483,647 import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.util.StringTokenizer; public class Main { public static void main(String[] args) throws IOException { BufferedReader br = ne..
2차원 배열 import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; 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 O..
1. ArrayList 학생 번호 기억 ( Integer ), 제출 여부 -> 제출한 학생 remove import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.util.ArrayList; public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in));..
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; 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 OutputSt..
1. 재귀 import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); // [입력] 첫째 줄에 정수 N(0 ≤ N ≤ 12) : 479,001,600 (최대값) int 범위 int inputN = Integer.parseInt(br.readLine()); // [출력] 첫째 줄에 N!을 출력한다. System.out.printl..
