Bargain for Sugarcane

CodeChefOpen on judge ↗

Rohan goes to a sugarcane shop to buy sugarcanes for Pongal. He comes to the shop and chooses a big and tasty one. The sugarcane that Rohan chooses is sold for $k$ rupees. Assume that there is an unlimited number of such sugarcanes in the shop. In his pocket Rohan has an unlimited number of "10-rupee coins" and exactly one coin of $r$ rupees ($1 \leq r \leq 9$). What is the minimum number of sug

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