3번 문제풀이

Author: hangyeol

live8/test87/문제3/백한결.py

@@ -0,0 +1,16 @@
+def solution(dirs):
+    x, y = 0, 0
+    visit_route = set()
+
+    moving = {"U": (0, 1), "D": (0, -1), "R": (1, 0), "L": (-1, 0)}
+
+    for route in dirs:
+        next_x, next_y = x + moving[route][0], y + moving[route][1]
+
+        if -5 <= next_x <= 5 and -5 <= next_y <= 5:
+            visit_route.add(((x, y), (next_x, next_y)))
+            visit_route.add(((next_x, next_y), (x, y)))
+
+            x, y = next_x, next_y
+
+    return len(visit_route) // 2