diff --git a/cpp/2405-optimal-partition-of-string.cpp b/cpp/2405-optimal-partition-of-string.cpp index 3a37ecdae..4cb8b0a88 100644 --- a/cpp/2405-optimal-partition-of-string.cpp +++ b/cpp/2405-optimal-partition-of-string.cpp @@ -1,5 +1,24 @@ class Solution { public: + int partitionString(string s) { + vector lastSeen(26, -1); + int count = 1, substringStart = 0; + + for (int i = 0; i < s.length(); i++) { + if (lastSeen[s[i] - 'a'] >= substringStart) { + count++; + substringStart = i; + } + lastSeen[s[i] - 'a'] = i; + } + + return count; + } +}; + + +class Solution { + public: int minPartitions(std::string s) { // Set to keep track of characters in the current substring std::unordered_set currentChars; pFad - Phonifier reborn

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