degree_difference.go

package main

import (
	"fmt"
)

func main() {
	for i := 0; i < 360; i++ {
		fmt.Println(DegreeDifference(0, i))
	}

}

func DegreeDifference(from, to int) int {
	if from == to {
		return 0
	}
	var forward, backward int
	if from < to {
		forward = to - from
		backward = (from + 360) - to
	} else {
		forward = from - to
		backward = (to + 360) - from
	}
	if forward < backward {
		return forward
	} else {
		return -backward
	}
}