Marbles

CodeChefRating 925Open on judge ↗

Rohit dreams he is in a shop with an infinite amount of marbles. He is allowed to select $n$ marbles. \ There are marbles of $k$ different colors. From each color there are also infinitely many marbles. \ Rohit wants to have at least one marble of each color, but still there are a lot of possibilities for his selection. In his effort to make a decision he wakes up. \ Now he asks you how many possi

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