There are N RED balls and M BLACK balls output should be the total number to arrangements with almost K balls can be together.
ex: Input: n = 3 m = 2 k =1 Output: 1 explantion: RBRBR
input: n = 2 n = 2 k =1 output: 2 explantion: RBRB BRBR
Help in combinatorics
There are N RED balls and M BLACK balls output should be the total number to arrangements with almost K balls can be together.
ex: Input: n = 3 m = 2 k =1 Output: 1 explantion: RBRBR
input: n = 2 n = 2 k =1 output: 2 explantion: RBRB BRBR