#05AB1E, 5 3 bytes

Saved 2 bytes thanks to Adnan

Ý+Æ 

Explanation

Takes P then N as input.

 # implicit input, ex 5, 100 Ý # range(0,X): [0,1,2,3,4,5] + # add: [100,101,102,103,104,105] Æ # reduced subtraction: 100-101-102-103-104-105 

05AB1E, 5 3 bytes

Saved 2 bytes thanks to Adnan

Ý+Æ 

Explanation

Takes P then N as input.

 # implicit input, ex 5, 100 Ý # range(0,X): [0,1,2,3,4,5] + # add: [100,101,102,103,104,105] Æ # reduced subtraction: 100-101-102-103-104-105 

#05AB1E, 5 3 bytes

Saved 2 bytes thanks to Adnan

Ý+Æ 

Explanation

Takes P then N as input.

 # implicit input, ex 5, 100 Ý # range(0,X): [0,1,2,3,4,5] + # add: [100,101,102,103,104,105] Æ # reduced subtraction: 100-101-102-103-104-105 

#05AB1E, 5 3 bytes

Saved 2 bytes thanks to Adnan

Ý+Æ 

Explanation

Takes P then N as input.

 # implicit input, ex 5, 100 Ý # range(0,X): [0,1,2,3,4,5] + # add: [100,101,102,103,104,105] Æ # reduced subtraction: 100-101-102-103-104-105 

#05AB1E, 5 bytes

+¹sŸÆ 

Explanation

 # implicit input, ex 100, 5 + # add: 105 ¹sŸ # range(A..B): range(100, 105) Æ # reduced subtraction 

#05AB1E, 5 3 bytes

Saved 2 bytes thanks to Adnan

Ý+Æ 

Explanation

Takes P then N as input.

 # implicit input, ex 5, 100 Ý # range(0,X): [0,1,2,3,4,5] +  # add: [100,101,102,103,104,105] Æ # reduced subtraction: 100-101-102-103-104-105