105차 3번 문제 풀이

Author: gmlrude

live10/test105/문제3/박희경.py

@@ -0,0 +1,14 @@
+def solution(order):
+    i = 0
+    stack = []
+    
+    for box in range(1, len(order) + 1):
+        if box == order[i]:
+            i += 1
+        else:
+            stack.append(box)
+        while stack and stack[-1] == order[i]:
+            stack.pop()
+            i += 1
+    
+    return i