From e7f494c886b027e2b222ba19d08a6296281df316 Mon Sep 17 00:00:00 2001
From: Ukj0ng <90972240+Ukj0ng@users.noreply.github.com>
Date: Tue, 2 Dec 2025 21:20:00 +0900
Subject: [PATCH] =?UTF-8?q?[20251202]=20PGM=20/=20LV2=20/=20=EC=95=84?=
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---
 ...4\352\267\270 \354\213\234\352\263\204.md" | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 "Ukj0ng/202512/2 PGM LV2 \354\225\204\353\202\240\353\241\234\352\267\270 \354\213\234\352\263\204.md"

diff --git "a/Ukj0ng/202512/2 PGM LV2 \354\225\204\353\202\240\353\241\234\352\267\270 \354\213\234\352\263\204.md" "b/Ukj0ng/202512/2 PGM LV2 \354\225\204\353\202\240\353\241\234\352\267\270 \354\213\234\352\263\204.md"
new file mode 100644
index 00000000..56d680f3
--- /dev/null
+++ "b/Ukj0ng/202512/2 PGM LV2 \354\225\204\353\202\240\353\241\234\352\267\270 \354\213\234\352\263\204.md"	
@@ -0,0 +1,40 @@
+```
+class Solution {
+    static final int FULL_CIRCLE = 43200;
+    
+    public int solution(int h1, int m1, int s1, int h2, int m2, int s2) {
+        int start = h1 * 3600 + m1 * 60 + s1;
+        int end = h2 * 3600 + m2 * 60 + s2;
+        
+        int answer = countAlarms(end) - countAlarms(start);
+        
+        if (isExactOverlap(start)) {
+            answer++;
+        }
+        
+        return answer;
+    }
+    
+    private int countAlarms(int time) {
+        int mCount = time * 59 / 3600;
+        int hCount = time * 719 / 43200;
+
+        int overlap = time / 43200;
+        
+        return mCount + hCount - overlap;
+    }
+    
+    private boolean isExactOverlap(int time) {
+        if (time % 43200 == 0) {
+            return true;
+        }
+        
+        double secondAngle = (time % 60) * 6.0;
+        double minuteAngle = (time % 3600) * 0.1;
+        double hourAngle = (time % 43200) * (1.0 / 120.0);
+        
+        return Math.abs(secondAngle - minuteAngle) < 0.01 || 
+               Math.abs(secondAngle - hourAngle) < 0.01;
+    }
+}
+```