## Restaurant Customers cses problem solution -

### Problem Statement-

**Time limit:**1.00 s**Memory limit:**512 MB

What was the maximum number of customers?

**Input**

The first input line has an integer : the number of customers.

After this, there are lines that describe the customers. Each line has two integers and : the arrival and leaving times of a customer.

You may assume that all arrival and leaving times are distinct.

**Output**

Print one integer: the maximum number of customers.

**Constraints**

**Example**

Input:

`3`

5 8

2 4

3 9

Output:

`2`

### solution-

Step 1- take input in a vector which contain pair of int and bool and insert arrival time as true and leaving time as false.

Step 2- sort the vector.

stem 3- iterate over vector and when you found true update max if max > ans

step 4- else if you strike false update ans as ans-1

Here is code solution -

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