← All problemsSign in

Devang Likes Numbers

Devang has a liking towards numbers and playing cards. He has a set of 10 cards, each numbered as $0, 1, 2 ... 9$. He selects a few of these cards and arranges them together to form a number $N$. Now he wants to know if he can rearrange these very cards such that the resulting number formed is numerically greater than $N$. Help Devang find the total number of arrangements of the same cards used

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

Sign in to chat with the tutor and save your progress.

Sign in to start