TRICKY PERMUTATIONS one tle

[aayush1999 (Aayush Bhatnagar)]

questioon = https://hack.codingblocks.com/contests/c/452/737
solution = https://ide.codingblocks.com/#/s/23430

[phantom (sharad nailwal)]

https://ide.codingblocks.com/#/s/23564

[aayush1999 (Aayush Bhatnagar)]

its giving right answer for only 2 test cases rest are wrong