utils

func GCD ¶

func GCD(a, b int) int

GCD greatest common divisor (GCD) via Euclidean algorithm

func LCM ¶

func LCM(a, b int, integers ...int) int

LCM find Least Common Multiple (LCM) via GCD

func MinInt ¶

func MinInt(ints ...int) int

func ParseNumsRow ¶

func ParseNumsRow(input string) []int

func Permutations ¶

func Permutations(arr []int) [][]int

func RemoveElementByIndex ¶

func RemoveElementByIndex(s []int, i int) []int

func RemoveElementByIndexInplace ¶

func RemoveElementByIndexInplace(s []int, i int) []int

func ReverseString ¶

func ReverseString(s string) string

func SliceInt ¶

func SliceInt(v int) []int8

SliceInt returns a list of digits of a given integer

SliceInt(123456) => []int8{1,2,3,4,5}

func SplitIntRange ¶

func SplitIntRange(from int, to int, n int) [][]int

SplitIntRange splits range into n sequential ranges

func SumIntSlice ¶

func SumIntSlice(s []int) (sum int)