문제 풀이 package step6; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class Main { public static void main(String[] args) throws IOException{ //한수 BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine()); System.out.println(hansu(n)); br.close(); } public static int hansu(int n) { int cnt ..