Runtime: 19 ms , Your runtime beats 41.75 % of cpp submissions.

657_Judge Route Circle.cpp

class Solution
    {
    public:
        bool judgeCircle(string moves)
        {
            int ud = 0 , lr = 0;
            for(int i = 0; i < moves.length(); i++)
            {
                switch(moves[i])
                {
                case('U'):
                    ++ud;
                    break;
                case('D'):
                    --ud;
                    break;
                case('L'):
                    --lr;
                    break;
                case('R'):
                    ++lr;
                    break;
                default:
                    //return -1;
                    break;
                }
            }
            if(ud == 0 && lr == 0) return true;
            else return false;
        }
    };