Write a function which takes one parameter int num, and prints out a countdown timer with minutes and seconds separated by a colon (:). It should print out one line for each elapsed and then pause one second before printing out the next line. After it has done all of this, it should call a special function ringAlarm () to sound an alarm. A few things - You can assume that calling the function sleepytime () makes the program pause for one second - You can assume that calling the function ringAlarm () makes the program sound an alarm - It should count down from num minutes:zero seconds to zero minutes:zero seconds - Your function must have the following signature: void timer (int num) You do not need to demonstrate calling this function from main(). You don't need to format the output nicely; the below is acceptable output for calling this function when num is 10: 10:0 9:59 9:58 //..and so on, all the way down to: 9:1 9:0 8:59 8:58 //..and so on, all the way down to: 0:2 0:1 0:0

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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**Countdown Timer Function**

**Overview:**
Create a function that takes one parameter, `int num`, and prints a countdown timer with minutes and seconds separated by a colon (:). It should print out one line per second and pause for one second before continuing to the next line. After completing the countdown, the function should call a special function `ringAlarm()` to sound an alarm.

**Key Points to Consider:**
- Use the function `sleepytime()` to make the program pause for one second.
- Use the function `ringAlarm()` to trigger an alarm sound.
- The countdown starts from `num` minutes and 0 seconds, ending at 0 minutes and 0 seconds.
- The function signature should be as follows:

  ```c
  void timer(int num)
  ```

**Note:**
You are not required to implement the `main()` function to demonstrate this functionality.

**Expected Output:**

For a function call with `num` equal to 10, the output should look like this:

```
10:0
9:59
9:58
// ...continue counting down...
9:1
9:0
8:59
8:58
// ...continue counting down...
0:2
0:1
0:0
```

Each line represents the countdown time in the format of `minutes:seconds`, decrementing every second. The function will reach all the way down to `0:0`, and then the alarm will sound.
Transcribed Image Text:**Countdown Timer Function** **Overview:** Create a function that takes one parameter, `int num`, and prints a countdown timer with minutes and seconds separated by a colon (:). It should print out one line per second and pause for one second before continuing to the next line. After completing the countdown, the function should call a special function `ringAlarm()` to sound an alarm. **Key Points to Consider:** - Use the function `sleepytime()` to make the program pause for one second. - Use the function `ringAlarm()` to trigger an alarm sound. - The countdown starts from `num` minutes and 0 seconds, ending at 0 minutes and 0 seconds. - The function signature should be as follows: ```c void timer(int num) ``` **Note:** You are not required to implement the `main()` function to demonstrate this functionality. **Expected Output:** For a function call with `num` equal to 10, the output should look like this: ``` 10:0 9:59 9:58 // ...continue counting down... 9:1 9:0 8:59 8:58 // ...continue counting down... 0:2 0:1 0:0 ``` Each line represents the countdown time in the format of `minutes:seconds`, decrementing every second. The function will reach all the way down to `0:0`, and then the alarm will sound.
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