Solution: count digits from string
examples/count-digits-from-string/count_digits_from_string.go
package main import ( "fmt" "strconv" "strings" ) func main() { count := [10]int{} dgts := "3767913713127648173" fmt.Println(dgts) digits := strings.Split(dgts, "") fmt.Println(digits) for _, digitStr := range digits { digit, _ := strconv.Atoi(digitStr) count[digit]++ } for i, cnt := range count { fmt.Printf("%v %v\n", i, cnt) } }