3863. Minimum Operations to Sort a String

LeetCodeStringOpen on judge ↗

You are given a string s consisting of lowercase English letters. In one operation, you can select any substring of s that is not the entire string and sort it in non-descending alphabetical order. Return the minimum number of operations required to make s sorted in non-descending order. If it is not possible, return -1. Example 1: Input: s = "dog" Output: 1 Explanation: - Sort sub

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