Removing Digits II

CSESAdditional Problems IIOpen on judge ↗

You are given an integer n. On each step, you may subtract from it any one-digit number that appears in it. How many steps are required to make the number equal to 0? Input The only input line has an integer n. Output Print one integer: the minimum number of steps. Constraints - 1 \le n \le 10^{18} Example Input: 27 Output: 5 Explanation: An optimal solution is 27 \rightarrow 20 \righ

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