87차 3번 문제풀이

Author: Yujin-Baek

live8/test87/문제3/백유진.py

@@ -0,0 +1,23 @@
+def solution(dirs):
+    answer = 0
+    x, y = 0, 0
+    udrl = {'U': (1, 0), 'D': (-1, 0), 'R': (0, 1), 'L': (0, -1)}
+    history = set()
+    
+    for dir in dirs:
+        dy = udrl[dir][0]
+        dx = udrl[dir][1]
+        
+        ny = y + dy
+        nx = x + dx
+        
+        if -5 <= ny <=5 and -5 <= nx <= 5:
+            history.add(((ny, nx),(y, x)))
+            history.add(((y, x),(ny, nx)))
+            
+            y = ny
+            x = nx
+            
+    print(history)
+            
+    return len(history)/2