package main
import (
"fmt"
)
/*
Use integer division and modulo:
1 minute = 60 seconds
1 hour = 60 minutes
1 day = 24 hours
1 week = 7 days
*/
/*
Convert a total number of seconds into weeks, days, hours,
minutes, and seconds. The function receives the total seconds
and returns each component in a struct.
*/
type TimeParts struct {
Weeks int64
Days int64
Hours int64
Minutes int64
Seconds int64
}
func convertSeconds(totalSeconds int64) TimeParts {
const SECS_PER_MIN int64 = 60
const SECS_PER_HOUR int64 = 60 * SECS_PER_MIN
const SECS_PER_DAY int64 = 24 * SECS_PER_HOUR
const SECS_PER_WEEK int64 = 7 * SECS_PER_DAY
// Compute each unit using integer division and modulo
weeks := totalSeconds / SECS_PER_WEEK
totalSeconds %= SECS_PER_WEEK
days := totalSeconds / SECS_PER_DAY
totalSeconds %= SECS_PER_DAY
hours := totalSeconds / SECS_PER_HOUR
totalSeconds %= SECS_PER_HOUR
minutes := totalSeconds / SECS_PER_MIN
seconds := totalSeconds % SECS_PER_MIN
return TimeParts{
Weeks: weeks,
Days: days,
Hours: hours,
Minutes: minutes,
Seconds: seconds,
}
}
func main() {
var seconds int64 = 1_000_000
result := convertSeconds(seconds)
fmt.Printf("%d weeks, %d days, %d hours, %d minutes, %d seconds\n",
result.Weeks, result.Days, result.Hours, result.Minutes, result.Seconds)
}
/*
run:
1 weeks, 4 days, 13 hours, 46 minutes, 40 seconds
*/
