Https://ide.codingblocks.com/s/480234

#1

Only two test cases are passing i dont know why .

#2

change size of array according to Constraints
1<=n<=1000000

make array of size 10^6
int n,arr[1000000];

all testcases will passed

#3

I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.

On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.