1185. Day of the Week

//https://leetcode.com/problems/day-of-the-week/
class Solution {
private:
    vector<string> date={"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"};
public:
    string dayOfTheWeek(int day, int month, int year) {
        vector<int> t={ 0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4 };
        year-=month<3;
        return date[(year+year/4-year/100+year/400+t[month-1]+day)%7];
    }
};