N_Knight Problem on hacker blocks

[Desh-Bhadu-1578769562234779 (Desh Bandhu Bhadu)]

https://hack.codingblocks.com/contests/c/468/384
please send the solution code.

[O17LPOLC0033 (ABHISHEK RANJAN)]

This link is not working for me , send the question

[Desh-Bhadu-1578769562234779 (Desh Bandhu Bhadu)]

[Amit-Gupta-1847343222026709 (Amit Gupta)]

here is the link to solution : https://ide.codingblocks.com/s/78411