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Added Solution for 1912. Movie Rental System in python. #1805

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Merged
yanglbme merged 4 commits into doocs:main from nrhitik:main
Oct 15, 2023
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34 changes: 34 additions & 0 deletions solution/1900-1999/1912.Design Movie Rental System/README.md
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -76,7 +76,41 @@ movieRentingSystem.search(2); // 返回 [0, 1] 。商店 0 和 1 有未借出
<!-- 这里可写当前语言的特殊实现逻辑 -->

```python
from sortedcontainers import SortedList


class MovieRentingSystem:
def __init__(self, n: int, entries: List[List[int]]):
self.unrented = collections.defaultdict(SortedList) # {movie: (price, shop)}
self.shopAndMovieToPrice = {} # {(shop, movie): price}
self.rented = SortedList() # (price, shop, movie)
for shop, movie, price in entries:
self.unrented[movie].add((price, shop))
self.shopAndMovieToPrice[(shop, movie)] = price

def search(self, movie: int) -> List[int]:
return [shop for _, shop in self.unrented[movie][:5]]

def rent(self, shop: int, movie: int) -> None:
price = self.shopAndMovieToPrice[(shop, movie)]
self.unrented[movie].remove((price, shop))
self.rented.add((price, shop, movie))

def drop(self, shop: int, movie: int) -> None:
price = self.shopAndMovieToPrice[(shop, movie)]
self.unrented[movie].add((price, shop))
self.rented.remove((price, shop, movie))

def report(self) -> List[List[int]]:
return [[shop, movie] for _, shop, movie in self.rented[:5]]


# Your MovieRentingSystem object will be instantiated and called as such:
# obj = MovieRentingSystem(n, entries)
# param_1 = obj.search(movie)
# obj.rent(shop,movie)
# obj.drop(shop,movie)
# param_4 = obj.report()
```

### **Java**
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34 changes: 34 additions & 0 deletions solution/1900-1999/1912.Design Movie Rental System/README_EN.md
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -68,7 +68,41 @@ movieRentingSystem.search(2); // return [0, 1]. Movies of ID 2 are unrented at
### **Python3**

```python
from sortedcontainers import SortedList


class MovieRentingSystem:
def __init__(self, n: int, entries: List[List[int]]):
self.unrented = collections.defaultdict(SortedList) # {movie: (price, shop)}
self.shopAndMovieToPrice = {} # {(shop, movie): price}
self.rented = SortedList() # (price, shop, movie)
for shop, movie, price in entries:
self.unrented[movie].add((price, shop))
self.shopAndMovieToPrice[(shop, movie)] = price

def search(self, movie: int) -> List[int]:
return [shop for _, shop in self.unrented[movie][:5]]

def rent(self, shop: int, movie: int) -> None:
price = self.shopAndMovieToPrice[(shop, movie)]
self.unrented[movie].remove((price, shop))
self.rented.add((price, shop, movie))

def drop(self, shop: int, movie: int) -> None:
price = self.shopAndMovieToPrice[(shop, movie)]
self.unrented[movie].add((price, shop))
self.rented.remove((price, shop, movie))

def report(self) -> List[List[int]]:
return [[shop, movie] for _, shop, movie in self.rented[:5]]


# Your MovieRentingSystem object will be instantiated and called as such:
# obj = MovieRentingSystem(n, entries)
# param_1 = obj.search(movie)
# obj.rent(shop,movie)
# obj.drop(shop,movie)
# param_4 = obj.report()
```

### **Java**
Expand Down
35 changes: 35 additions & 0 deletions solution/1900-1999/1912.Design Movie Rental System/Solution.py
View file Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,35 @@
from sortedcontainers import SortedList


class MovieRentingSystem:
def __init__(self, n: int, entries: List[List[int]]):
self.unrented = collections.defaultdict(SortedList) # {movie: (price, shop)}
self.shopAndMovieToPrice = {} # {(shop, movie): price}
self.rented = SortedList() # (price, shop, movie)
for shop, movie, price in entries:
self.unrented[movie].add((price, shop))
self.shopAndMovieToPrice[(shop, movie)] = price

def search(self, movie: int) -> List[int]:
return [shop for _, shop in self.unrented[movie][:5]]

def rent(self, shop: int, movie: int) -> None:
price = self.shopAndMovieToPrice[(shop, movie)]
self.unrented[movie].remove((price, shop))
self.rented.add((price, shop, movie))

def drop(self, shop: int, movie: int) -> None:
price = self.shopAndMovieToPrice[(shop, movie)]
self.unrented[movie].add((price, shop))
self.rented.remove((price, shop, movie))

def report(self) -> List[List[int]]:
return [[shop, movie] for _, shop, movie in self.rented[:5]]


# Your MovieRentingSystem object will be instantiated and called as such:
# obj = MovieRentingSystem(n, entries)
# param_1 = obj.search(movie)
# obj.rent(shop,movie)
# obj.drop(shop,movie)
# param_4 = obj.report()

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