1529.cpp (276B)
1 class Solution { 2 public: 3 int minFlips(const string &target) { 4 int res = 0, looking = 1; 5 for (const char c : target) { 6 if ((c & 1) != looking) continue; 7 looking = !looking; 8 res++; 9 } 10 return res; 11 } 12 };