Cover them all problem

#1

https://hack.codingblocks.com/app/practice/2/715/problem
This is a problem is hacker blocks, idk why i am getting the wrong answer. https://ide.codingblocks.com/s/240529

#2

used combinatorics and bit is teeling how many small numbers are there till that time which are inserted , so inserting and calculating together

#3

150+ lines are too much ma’am. Can you please check my code when u r free. Its simpler to understand

#4

I did see ur code
but are u applying

??

#5

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