D2 - Ab Humse Cowding bhi nii hori hai (Hard)

CodeChefOpen on judge ↗

$The \ only \ difference \ between \ easy \ and \ hard \ versions \ is \ constraints$ Praveen likes travelling a lot. He always plans a vacation whenever he gets time. Being a rich guy, Praveen can afford any of the modes of transport, i.e. roadways, railways, airways. This time Praveen has a lot of extra money which he want to spend. So he decided he will travel from a town $A$ to a town $B$ i

HINT LADDERno hints yet

L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

🔒

L5 Full solution

L5 unlocks only if you insist twice

solution.cppC++17

CodeSearch Tutor

Hints, not spoilers — it won’t hand over the full solution unless you insist.

voice by Sarvam AI