94차 1번 문제 풀이

Author: gmlrude

live9/test94/문제1/박희경.py

@@ -0,0 +1,19 @@
+def solution(dirs):
+    answer = set()
+    
+    move = {
+        'U': (0, 1),
+        'D': (0, -1),
+        'R': (1, 0),
+        'L': (-1, 0)
+    }
+
+    x, y = 0, 0
+    for dir in dirs:
+        nx, ny = x + move[dir][0], y + move[dir][1]
+        if -5 <= nx <= 5 and -5 <= ny <= 5:
+            answer.add((x, y, nx, ny))
+            answer.add((nx, ny, x, y))
+            x, y = nx, ny
+        
+    return len(answer) // 2