https://www.codechef.com/submit/BINADD

general
#1

Continuing the discussion from BINADD - Guideline to Upsolve after contest:
https://www.codechef.com/submit/BINAD

Facing a Tle in the 3rd substask

#2

where is your code?

#3

https://www.codechef.com/viewsolution/28612591

#4

Refer to this discussion thread:
BINADD - Editorial