Help with code i don't able to write correct code please help with code

[preetitakhar960_7ecbeb56682325a0 (Preeti Takhar)]

i don’t able to write correct code please help with code

[talhashamim001 (Talha Shamim)]

hi @preetitakhar960_7ecbeb56682325a0,
refer this https://ide.codingblocks.com/s/666010

[preetitakhar960_7ecbeb56682325a0 (Preeti Takhar)]

can you explain the code

[talhashamim001 (Talha Shamim)]

Hi @preetitakhar960_7ecbeb56682325a0 please try to do first by iteration the. I’ll be explaining you this recursive code