Problem p02201 - Generation 1

Orig Description

Zaeru Ninja E869120
E869120-kun is good at creating multiple copies of himself.
Here, there are $N$ members in the programming research club. However, some of them may be E869120-kun.
Therefore, you asked all $N$ members for their names. As a result, each member introduced themselves with names $S_1, S_2, S_3, \dots, S_N$.
How many copies of E869120-kun are there? Assuming that all the members answered honestly with their own names.
Input
The input is given in the following format from Standard Input:
$N$
$S_1$
$S_2$
$S_3$
$\ldots$
$S_N$
Output
Output the number of copies of E869120-kun. If there are no copies of E869120-kun, output "0".
Insert a newline character at the end of the output.
Constraints
$1 \leq N \leq 1000$
$1 \leq (\text{length of }S_i) \leq 100$
$N$ is an integer.
$S_i$ is a string consisting of numbers and uppercase letters.
Sample Input 1
5
E869120
TMJN
E869120
TAISA
YNYMXIAOLONGBAO
Sample Output 1
2
E869120-kun created two copies of himself.
Sample Input 2
3
SQUARE1001
MENCOTTON
B2563125
Sample Output 2
0
If there are no copies of E869120-kun, output 0.
Sample Input 3
6
E8691200
E869121
E869122
E869123
E869124
E869125
Sample Output 3
0
Be careful of the imposters.

Extracted Specification

An integer N (1 ≤ N ≤ 1000), representing some quantity or size.
A list of strings S of size N, where each string is between 1 and 100 characters long.

### Example Input:

```
5
E869120
TMJN
E869120
TAISA
YNYMXIAOLONGBAO
```

### Function Signature:
Write a function f(N, S) that takes in the input.
```python
def f(N: int, S: List[str]):
    ''' 
    N: an integer 
    S: a list of strings 
    '''
```

Test Case Generator

Sure, I can help you with that. Below is a test case generator for the given problem statement:

```python
import random
import string

def generate_random_name():
    # Generate a random name consisting of numbers and uppercase letters
    length = random.randint(1, 100)
    return ''.join(random.choices(string.ascii_uppercase + string.digits, k=length))

def tcgen():
    # Number of members in the programming research club
    N = random.randint(1, 1000)

    # List of names
    names = []
    num_e869120 = random.randint(0, N)
    
    # Add the specified number of E869120 copies
    for _ in range(num_e869120):
        names.append("E869120")
    
    # Fill the rest with random names
    for _ in range(N - num_e869120):
        names.append(generate_random_name())
    
    # Shuffle the list to make it more random
    random.shuffle(names)
    
    return N, names

# Example usage:
if __name__ == "__main__":
    N, names = tcgen()
    print(N)
    for name in names:
        print(name)
```

### Explanation

1. **generate_random_name**: This helper function generates a random name string consisting of numbers and uppercase letters with length between 1 and 100 characters.
2. **tcgen**:
   - It first selects a random number \(N\) of members in the club within the range [1, 1000].
   - It then decides how many copies of "E869120" should be in the list.
   - It adds the specified number of "E869120" and fills the rest with random names.
   - The list of names is shuffled to ensure randomness of the test cases.

This will generate test cases that thoroughly test the problem statement by including both cases where multiple instances of "E869120" exist and where none exist.

Extract Arguments

def extract_arguments(fh):
    N = int(fh.readline().strip())
    S = [fh.readline().strip() for _ in range(N)]
    return N, S

# if __name__ == "__main__":
#     input_path = sys.argv[1]
#     with open(input_path, 'r') as fh: 
#     N, S = extract_arguments(fh)
#     f(N, S)