Weekly Payroll

A payroll system treats every employee as an Employee with a WeeklyPay() method, and each kind of employee overrides it.

Each employee is written as:

• salaried <annual>: earns annual / 52.
• hourly <rate> <hours>: earns rate × hours for the first 40 hours and 1.5 × rate for every hour beyond 40.
• commission <base> <rate> <sales>: earns base + rate × sales.

Implement weekly_payroll(employees).

Input

employees: The employees. Numbers may have decimals.

Output

Return the total weekly pay. Answers within 1e-6 are accepted.

제약 조건

0 ≤ number of employees ≤ 10,000

All numbers are between 0 and 10^7; hours ≤ 100

예시

입력:
employees = ["salaried 52000", "hourly 20 45"]

예상 출력:
expected = 1950.0

입력:
std::vector<std::string> employees = {"salaried 52000", "hourly 20 45"};

예상 출력:
double expected = 1950.0;

입력:
string[] employees = new string[] {"salaried 52000", "hourly 20 45"};

예상 출력:
double expected = 1950.0;

입력:
employees = ["commission 300 0.1 2500"]

예상 출력:
expected = 550.0

입력:
std::vector<std::string> employees = {"commission 300 0.1 2500"};

예상 출력:
double expected = 550.0;

입력:
string[] employees = new string[] {"commission 300 0.1 2500"};

예상 출력:
double expected = 550.0;

참고 자료

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