NeetCode #242LC-1358MediumSliding Window
← Back to All Problems

#242 · #1358 · Number of Substrings Containing All Three Characters(包含所有三种字符的子字符串数目)

📌 Problem Statement & Constraints

Given a string s consisting only of the characters a, b and c, return the number of substrings containing at least one occurrence of each of the three characters. Constraints: 3 <= s.length <= 5 * 10^4.
🔒

Sign In to Unlock Full Solutions for All 973 Problems

Sign in to access step-by-step logic, benchmark Python3 code, complexity breakdown, and offline export!