Description

Complete an existed class Clock. There is also had a function named sec2clk(), understand it and use it, it may help.

 

Clock sec2clk(int s) – Turn s seconds into a clock, and return it. For example:

          - s = 3661 => 01:01:01

          - s = 86401 => 00:00:01

          - s = -1 => 23:59:59

 

Clock

Private Variables:

• h(unsigned int) represents to hour.
• m(unsigned int) represents to minute.
• s(unsigned int) represents to second.

Constructors:

• Clock(unsigned int _h, unsigned int _m, unsigned int _s) – Should initalize h to _h%24, m to _m%60 and s to _s%60.

Public Methods:

• Clock operator+(const Clock &other) – Should return a Clock which is the addition of the two clocks.
• Clock operator-(const Clock &other) – Should return a Clock which is the subtraction of the two clocks.

Need consider time carry(時間進位) and time overflow(時間溢位). For example:

          - 00:59:59 + 00:00:01 = 01:00:00

          - 23:59:59 + 00:00:01 = 00:00:00

          - 00:00:00 - 00:00:01 = 23:59:59

note that you may use Clock::clk2sec() and sec2clk().

• bool operator>(const Clock &other) – Should return true if the time of clock is bigger than others; otherwise return false.

Need consider time carry(時間進位) and time overflow(時間溢位). For example:

          - 01:00:00 > 00:59:59 is true

          - 00:00:01 > 23:59:59 + 00:00:01 is true

note that you may use Clock::clk2sec().

• bool operator<(const Clock &other) – Should return true if the time of clock is smaller than others; otherwise return false.
• bool operator>(const unsigned int ui) – Should return true if the total seconds of clock is bigger than ui%86400; otherwise return false.
• bool operator<(const unsigned int ui) – Should return true if the total seconds of clock is smaller than ui%86400; otherwise return false.
• bool operator==(const Clock &other)– Should return true if the time of clock is equal to others; otherwise return false.
• bool operator==(const unsigned int ui) – Should return true if the total seconds of clock is equal to ui%86400; otherwise return false.
• unsigned int clk2sec() const – Calculate the total seconds of clock and return (no need implement).
• friend ostream &operator<<(ostream &os, const Clock &clk) – For print out a Clock variable directly (no need implement).

Input

No need to handle input. (Input would be number 1~5 to represent the index of test-case)

Output

Depend on test case show in main.cpp.

Sample Input  Download

Sample Output  Download

Partial Judge Code

13075.cpp

Partial Judge Header

13075.h

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