Question

using C program

Assignment

Write a computer program that converts a time provided in hours, minutes, and seconds to seconds

Functional requirements

1. Input MUST be specified in hours, minutes, and seconds
2. MUST produce the same output as listed below in the sample run
3. MUST correctly compute times

Nonfunctional requirements

1. MUST adhere to program template include below
2. MUST compile without warnings and errors
3. MUST follow the code template provided in this assignment
4. MUST NOT change " int main() " function
5. MUST only edit sections marked by " // complete this "

Sample run

4 hours, 13 minutes and 20 seconds is equal to 15200 seconds.
8 hours, 0 minutes and 0 seconds is equal to 28800 seconds.
1 hours, 30 minutes and 0 seconds is equal to 5400 seconds.

Grading

This assignment will be graded according to the programming grading rubric.

Due date

The assignment is due by the 11:59pm on September 20, 2019.

Requested files

time_to_sec.c

/*

* time_to_sec.c

*

* Created on: Jul 20, 2016

* Author: leune

*/

// appropriate #include statements

/* Convert a time interval specified in hours, minutes and seconds to

* seconds.

* Parameters:

* hours, minutes, seconds: input time elements

* Preconditions:

* 0 <= minutes < 60

* 0 <= seconds < 60

* Return:

* number of seconds in the interval

*/

unsigned int time_to_sec(unsigned int hours, unsigned int minutes,

unsigned int seconds) {

// complete this

}

/* Print a formatted representation of the calculation

* Parameters:

* hours, minutes, seconds: input time elements

* Postcondition:

* Function will write the calculation to standard output.

*/

void format_seconds(unsigned int hours, unsigned int minutes,

unsigned int seconds) {

// complete this

}

int main(void) {

format_seconds(4, 13, 20);

format_seconds(8, 0, 0);

format_seconds(1, 30, 0);

}

Answer 1

/*
* time_to_sec.c
*
* Created on: Jul 20, 2016
* Author: leune
*/
// appropriate #include statements
/* Convert a time interval specified in hours, minutes and seconds to
* seconds.
* Parameters:
* hours, minutes, seconds: input time elements
* Preconditions:
* 0 <= minutes < 60
* 0 <= seconds < 60
* Return:
* number of seconds in the interval
*/
#include <stdio.h>

unsigned int time_to_sec(unsigned int hours, unsigned int minutes,
                         unsigned int seconds) {
    return (((hours * 60) + minutes) * 60) + seconds;
}

/* Print a formatted representation of the calculation
* Parameters:
* hours, minutes, seconds: input time elements
* Postcondition:
* Function will write the calculation to standard output.
*/
void format_seconds(unsigned int hours, unsigned int minutes,
                    unsigned int seconds) {
    printf("%u hours, %u minutes and %u seconds is equal to %u seconds.\n", hours, minutes, seconds,
           time_to_sec(hours, minutes, seconds));
}

int main(void) {
    format_seconds(4, 13, 20);
    format_seconds(8, 0, 0);
    format_seconds(1, 30, 0);
}