[20251123] BOJ / G5 / 홀수 홀릭 호석 / 이준희

JHLEE325/202511/23 BOJ G5 홀수 홀릭 호석.md

@@ -0,0 +1,60 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+
+    static int min = Integer.MAX_VALUE;
+    static int max = Integer.MIN_VALUE;
+
+    public static void main(String[] args) throws Exception {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+
+        String N = br.readLine();
+        dfs(N, 0);
+
+        System.out.println(min + " " + max);
+    }
+
+    static void dfs(String num, int totalOdd) {
+
+        int curOdd = countOdd(num);
+        totalOdd += curOdd;
+
+        int len = num.length();
+
+        if (len == 1) {
+            min = Math.min(min, totalOdd);
+            max = Math.max(max, totalOdd);
+            return;
+        }
+
+        if (len == 2) {
+            int sum = (num.charAt(0) - '0') + (num.charAt(1) - '0');
+            dfs(String.valueOf(sum), totalOdd);
+            return;
+        }
+
+        for (int i = 1; i < len - 1; i++) {
+            for (int j = i + 1; j < len; j++) {
+
+                int a = Integer.parseInt(num.substring(0, i));
+                int b = Integer.parseInt(num.substring(i, j));
+                int c = Integer.parseInt(num.substring(j));
+
+                int sum = a + b + c;
+
+                dfs(String.valueOf(sum), totalOdd);
+            }
+        }
+    }
+
+    static int countOdd(String s) {
+        int cnt = 0;
+        for (char c : s.toCharArray()) {
+            if ((c - '0') % 2 == 1) cnt++;
+        }
+        return cnt;
+    }
+}
+```