Leet Code Daily 2024-07-30 - Minimum Deletions to Make String Balanced

class Solution {
public:
    int minimumDeletions(string s) {

        int CBL = 0, CAR = 0;
        for (const auto& c : s) {
            if (c == 'a') {
                CAR++;
            }
        }

        int ret = CBL + CAR;
        for (const auto& c : s) {
            switch (c) {
            case 'a':
                CAR--;
                break;
            case 'b':
                CBL++;
                break;
            }
            ret = min(ret, CBL + CAR);
        }
        return ret;
    }
};