Sibasish and Friends

CodeChefOpen on judge ↗

Sibasish and his friends play various games together. One fine day his friends planned to humiliate Sibasish in a game of numbers. They handed him a range of positive numbers from $L$ to $R$ (both inclusive) and gave him the following task- Let $x$ be an integer in the range $[L,R]$. $x$ is called **good** if the digit $d$ occurs at most $k$ times in $x$. Sibasish needs to find the total number of

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