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문제 코드 import java.util.Scanner; public class Main { public static void main(String[] args) throws Exception { Scanner scanner = new Scanner(System.in); int t = scanner.nextInt(); for (int test_case = 0; test_case < t; test_case++) { int n = scanner.nextInt(); int[] a = new int[n]; for (int i = 0; i < n; i++) { a[i] = scanner.nextInt(); } long sum = 0L; for (int i = 0; i < n - 1; i++) { for (int ..

문제 코드 import java.util.Scanner; public class Main { static int[] A, B; public static void main(String[] args) throws Exception { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); A = new int[n]; B = new int[n]; for (int i = 0; i < n; i++) { A[i] = scanner.nextInt(); B[i] = scanner.nextInt(); System.out.println(operation(A[i], B[i])); } } public static int operation(int a, int ..

문제 코드 import java.util.Scanner; public class Main { public static void main(String[] args) throws Exception { Scanner scanner = new Scanner(System.in); int[] numbers = new int[2]; for (int i = 0; i < numbers.length; i++) { numbers[i] = scanner.nextInt(); } operation(numbers[0], numbers[1]); } public static void operation(int a, int b) { // 최대공약수(GCD) : 두 수 A B의 최대공약수는 A와 B의 공통된 약 중에서 가장 큰 정수이다. ..

문제 코드 import java.util.Scanner; public class Main { public static void main(String[] args) throws Exception { Scanner scanner = new Scanner(System.in); int[] numbers = new int[3]; for (int i = 0; i < numbers.length; i++) { numbers[i] = scanner.nextInt(); } mod(numbers); } public static void mod(int[] numbers) { if (numbers.length == 0) { return; } int A = numbers[0]; int B = numbers[1]; int C = ..

문제 코드 import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Collections; import java.util.LinkedList; import java.util.Queue; public class Main { static ArrayList[] a; static boolean[] c; public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String[] input = br.re..

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(""); System.out.println(arr.length); } } 출처 https://www.acmicpc.net/problem/2743

문제 코드 import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.LinkedList; import java.util.Queue; 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 n = Integer.parseInt(arr[0]); int m = Integer.parseInt(arr[1]); Queue q = new..

문제 코드 import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Stack; public class Main { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String[] str = br.readLine().split(""); int n = Integer.parseInt(br.readLine()); Stack leftStack = new Stack(), rightStack = new Stack(); for (int i = ..