DSA/C++/LeetCode/0763.cpp at main · spycedcoffee/DSA · GitHub

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class Solution {
public:
    vector<int> partitionLabels(string s) {
        unordered_map<char,int> map1;

        for(auto c : s)
            map1[c]++;

        unordered_map<char,int> map2;

        int temp = 0;

        vector<int> result;

        for(int i = 0; i < s.size(); i++){
            char ch = s[i];

            temp++;

            map2[ch] = 1;
            map1[ch]--;

            if(map1[ch] == 0)
                map2.erase(ch);

            if(map2.size() == 0){
                result.push_back(temp);
                temp = 0;
            }
        }
        return result;
    }
};