밍의 기록들😉

https://www.acmicpc.net/problem/1735 public class FractionSum { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int a_n = scan.nextInt(); int a_d = scan.nextInt(); int b_n = scan.nextInt(); int b_d = scan.nextInt(); int d = a_d * b_d; a_n = a_n * b_d; b_n = b_n *a_d; int n = a_n +b_n; int gcd_num = gcd(n,d); n = n/gcd_num; d = d/gcd_num; System.out.println(n +" "+..

https://www.acmicpc.net/problem/2485 public class StreeTree { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int [] array = new int[n]; int [] distance = new int[n]; for(int i=0; i