39★] Leetcode 905. Sort Array By Parity

 

Sort Array By Parity - LeetCode

짝수면 앞에 넣어주고, 홀수면 뒤에 넣어주면 된다.

class Solution {
public:
    vector<int> sortArrayByParity(vector<int>& A) {
        vector<int>ans;
        
        for(int i = 0;i<A.size();i++){
            if(A[i] %2 == 0)
                ans.insert(ans.begin(), A[i]);
            else
                ans.push_back(A[i]);
        }
        
        return ans;
    }
};