java.lang.Object
g1301_1400.s1358_number_of_substrings_containing_all_three_characters.Solution

public class Solution extends Object
1358 - Number of Substrings Containing All Three Characters\. Medium Given a string `s` consisting only of characters _a_, _b_ and _c_. Return the number of substrings containing **at least** one occurrence of all these characters _a_, _b_ and _c_. **Example 1:** **Input:** s = "abcabc" **Output:** 10 **Explanation:** The substrings containing at least one occurrence of the characters _a_, _b_ and _c are "_abc_", "_abca_", "_abcab_", "_abcabc_", "_bca_", "_bcab_", "_bcabc_", "_cab_", "_cabc_"_ and _"_abc_"_ ( **again** )_._ **Example 2:** **Input:** s = "aaacb" **Output:** 3 **Explanation:** The substrings containing at least one occurrence of the characters _a_, _b_ and _c are "_aaacb_", "_aacb_"_ and _"_acb_"._ **Example 3:** **Input:** s = "abc" **Output:** 1 **Constraints:** * `3 <= s.length <= 5 x 10^4` * `s` only consists of _a_, _b_ or _c _characters.
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • numberOfSubstrings

      public int numberOfSubstrings(String s)