摘要:
先用几个例子来探究如何做题。 1 -> n = 0 2 -> copy, paste -> n = 2 3 -> copy, paste, paste -> n = 3 4 -> c p p p/ c p c p -> n = 4 5 -> c p p p p -> n = 5 6 -> c p c 阅读全文
摘要:
class Solution { public: void sortColors(vector<int>& nums) { if(nums.size() == 0) return; const int RED = 0, WHITE = 1, BLUE = 2; int rp, wp, bp; rp 阅读全文