|| ||Code Submission Evaluation System
CSES Problem Set
Task | Statistics
CSES - Restaurant CustomersCSES - Restaurant Customers
|Time limit:||1.00 s
||Memory limit:||512 MB|
You are given the arrival and leaving times of $n$ customers in a restaurant.
What was the maximum number of customers?
The first input line has an integer $n$: the number of customers.
After this, there are $n$ lines that describe the customers. Each line has two integers $a$ and $b$: the arrival and leaving times of a customer.
You may assume that all arrival and leaving times are distinct.
Print one integer: the maximum number of customers.
- $1 \le n \le 2 \cdot 10^5$
- $1 \le a < b \le 10^9$