Merge pull request #1215 from AlgorithmWithGod/lkhyun

[20251024] PGM / Lv2 / 방문 길이 / 이강현

Author: ShinHeeEul

lkhyun/202510/24 PGM Lv2 방문 길이.md

@@ -0,0 +1,25 @@
+```python
+def solution(dirs):
+    answer = 0
+    history = set()
+    posX = 0
+    posY = 0
+    for dir in dirs:
+        if(dir == 'L'):
+            if posX == -5: continue
+            history.update([(posX,posY,posX-1,posY),(posX-1,posY,posX,posY)])
+            posX -= 1
+        elif(dir == 'R'):
+            if posX == 5: continue
+            history.update([(posX,posY,posX+1,posY),(posX+1,posY,posX,posY)])
+            posX += 1
+        elif(dir == 'U'):
+            if posY == 5: continue
+            history.update([(posX,posY,posX,posY+1),(posX,posY+1,posX,posY)])
+            posY += 1
+        elif(dir == 'D'):
+            if posY == -5: continue
+            history.update([(posX,posY,posX,posY-1),(posX,posY-1,posX,posY)])
+            posY -= 1
+    return len(history)/2
+```