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Commit d72d9e4

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nrhitikyanglbme
andauthored
feat: add python solution to lc problem: No.1912 (#1805)
No.1912.Design Movie Rental System --------- Co-authored-by: Libin YANG <contact@yanglibin.info>
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‎solution/1900-1999/1912.Design Movie Rental System/README.md‎

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@@ -76,7 +76,41 @@ movieRentingSystem.search(2); // 返回 [0, 1] 。商店 0 和 1 有未借出
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<!-- 这里可写当前语言的特殊实现逻辑 -->
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```python
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from sortedcontainers import SortedList
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class MovieRentingSystem:
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def __init__(self, n: int, entries: List[List[int]]):
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self.unrented = collections.defaultdict(SortedList) # {movie: (price, shop)}
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self.shopAndMovieToPrice = {} # {(shop, movie): price}
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self.rented = SortedList() # (price, shop, movie)
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for shop, movie, price in entries:
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self.unrented[movie].add((price, shop))
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self.shopAndMovieToPrice[(shop, movie)] = price
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def search(self, movie: int) -> List[int]:
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return [shop for _, shop in self.unrented[movie][:5]]
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def rent(self, shop: int, movie: int) -> None:
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price = self.shopAndMovieToPrice[(shop, movie)]
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self.unrented[movie].remove((price, shop))
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self.rented.add((price, shop, movie))
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def drop(self, shop: int, movie: int) -> None:
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price = self.shopAndMovieToPrice[(shop, movie)]
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self.unrented[movie].add((price, shop))
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self.rented.remove((price, shop, movie))
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def report(self) -> List[List[int]]:
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return [[shop, movie] for _, shop, movie in self.rented[:5]]
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# Your MovieRentingSystem object will be instantiated and called as such:
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# obj = MovieRentingSystem(n, entries)
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# param_1 = obj.search(movie)
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# obj.rent(shop,movie)
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# obj.drop(shop,movie)
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# param_4 = obj.report()
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```
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### **Java**

‎solution/1900-1999/1912.Design Movie Rental System/README_EN.md‎

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@@ -68,7 +68,41 @@ movieRentingSystem.search(2); // return [0, 1]. Movies of ID 2 are unrented at
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### **Python3**
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```python
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from sortedcontainers import SortedList
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class MovieRentingSystem:
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def __init__(self, n: int, entries: List[List[int]]):
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self.unrented = collections.defaultdict(SortedList) # {movie: (price, shop)}
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self.shopAndMovieToPrice = {} # {(shop, movie): price}
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self.rented = SortedList() # (price, shop, movie)
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for shop, movie, price in entries:
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self.unrented[movie].add((price, shop))
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self.shopAndMovieToPrice[(shop, movie)] = price
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def search(self, movie: int) -> List[int]:
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return [shop for _, shop in self.unrented[movie][:5]]
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def rent(self, shop: int, movie: int) -> None:
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price = self.shopAndMovieToPrice[(shop, movie)]
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self.unrented[movie].remove((price, shop))
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self.rented.add((price, shop, movie))
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def drop(self, shop: int, movie: int) -> None:
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price = self.shopAndMovieToPrice[(shop, movie)]
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self.unrented[movie].add((price, shop))
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self.rented.remove((price, shop, movie))
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def report(self) -> List[List[int]]:
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return [[shop, movie] for _, shop, movie in self.rented[:5]]
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# Your MovieRentingSystem object will be instantiated and called as such:
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# obj = MovieRentingSystem(n, entries)
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# param_1 = obj.search(movie)
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# obj.rent(shop,movie)
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# obj.drop(shop,movie)
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# param_4 = obj.report()
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```
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### **Java**
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from sortedcontainers import SortedList
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class MovieRentingSystem:
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def __init__(self, n: int, entries: List[List[int]]):
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self.unrented = collections.defaultdict(SortedList) # {movie: (price, shop)}
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self.shopAndMovieToPrice = {} # {(shop, movie): price}
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self.rented = SortedList() # (price, shop, movie)
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for shop, movie, price in entries:
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self.unrented[movie].add((price, shop))
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self.shopAndMovieToPrice[(shop, movie)] = price
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def search(self, movie: int) -> List[int]:
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return [shop for _, shop in self.unrented[movie][:5]]
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def rent(self, shop: int, movie: int) -> None:
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price = self.shopAndMovieToPrice[(shop, movie)]
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self.unrented[movie].remove((price, shop))
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self.rented.add((price, shop, movie))
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def drop(self, shop: int, movie: int) -> None:
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price = self.shopAndMovieToPrice[(shop, movie)]
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self.unrented[movie].add((price, shop))
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self.rented.remove((price, shop, movie))
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def report(self) -> List[List[int]]:
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return [[shop, movie] for _, shop, movie in self.rented[:5]]
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# Your MovieRentingSystem object will be instantiated and called as such:
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# obj = MovieRentingSystem(n, entries)
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# param_1 = obj.search(movie)
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# obj.rent(shop,movie)
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# obj.drop(shop,movie)
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# param_4 = obj.report()

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