From 1dd3324901e21ef110a4caa9ac52ca7770927507 Mon Sep 17 00:00:00 2001
From: JHLEE325 <82587652+JHLEE325@users.noreply.github.com>
Date: Sun, 1 Feb 2026 21:59:12 +0900
Subject: [PATCH] =?UTF-8?q?[20260201]=20BOJ=20/=20G5=20/=20=EB=A1=9C?=
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---
 ...4\353\247\210 \354\210\253\354\236\220.md" | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 "JHLEE325/202602/01 BOJ G5 \353\241\234\353\247\210 \354\210\253\354\236\220.md"

diff --git "a/JHLEE325/202602/01 BOJ G5 \353\241\234\353\247\210 \354\210\253\354\236\220.md" "b/JHLEE325/202602/01 BOJ G5 \353\241\234\353\247\210 \354\210\253\354\236\220.md"
new file mode 100644
index 00000000..417daadd
--- /dev/null
+++ "b/JHLEE325/202602/01 BOJ G5 \353\241\234\353\247\210 \354\210\253\354\236\220.md"	
@@ -0,0 +1,62 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    static Map<Character, Integer> romanMap = new HashMap<>();
+
+    static int[] values = {1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1};
+    static String[] symbols = {"M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I"};
+
+    public static void main(String[] args) throws IOException {
+        initMap();
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+
+        String s1 = br.readLine();
+        String s2 = br.readLine();
+
+        int sum = romanToArab(s1) + romanToArab(s2);
+
+        System.out.println(sum);
+        System.out.println(arabToRoman(sum));
+    }
+
+    static void initMap() {
+        romanMap.put('I', 1);
+        romanMap.put('V', 5);
+        romanMap.put('X', 10);
+        romanMap.put('L', 50);
+        romanMap.put('C', 100);
+        romanMap.put('D', 500);
+        romanMap.put('M', 1000);
+    }
+
+    static int romanToArab(String s) {
+        int total = 0;
+        for (int i = 0; i < s.length(); i++) {
+            int current = romanMap.get(s.charAt(i));
+
+            if (i + 1 < s.length() && current < romanMap.get(s.charAt(i + 1))) {
+                total -= current;
+            } else {
+                total += current;
+            }
+        }
+        return total;
+    }
+
+    static String arabToRoman(int num) {
+        StringBuilder sb = new StringBuilder();
+        int i = 0;
+        while (num > 0) {
+            if (num >= values[i]) {
+                sb.append(symbols[i]);
+                num -= values[i];
+            } else {
+                i++;
+            }
+        }
+        return sb.toString();
+    }
+}
+```