Day24

Author: choifi

leetcode3/최민지/1041-robot-bounded-in-circle.py

@@ -0,0 +1,28 @@
+class Solution:
+    def isRobotBounded(self, instructions: str) -> bool:
+        x, y = 0, 0
+
+        # 북, 동, 남, 서
+        directions = [
+            (0, 1),
+            (1, 0),
+            (0, -1),
+            (-1, 0)
+        ]
+
+        direction = 0 
+
+        for instruction in instructions:
+            if instruction == 'G':
+                dx, dy = directions[direction]
+                x += dx
+                y += dy
+
+            elif instruction == 'R':
+                direction = (direction + 1) % 4
+
+            elif instruction == 'L':
+                direction = (direction - 1) % 4
+
+        return (x == 0 and y == 0) or direction != 0
+