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43 lines
568 B

package main
import (
"os"
"github.com/01-edu/z01"
)
func solve(str string) bool {
arr := make([]int, 26)
for i := 0; i < len(str); i++ {
arr[str[i]-'a']++
}
for i := 0; i < 26; i++ {
for j := i + 1; j < 26; j++ {
if arr[i] == arr[j] && arr[i] != 0 {
return false
}
}
}
return true
}
func print(str string) {
for _, v := range str {
z01.PrintRune(v)
}
}
func main() {
args := os.Args[1:]
if len(args) != 1 {
z01.PrintRune('\n')
return
}
result := solve(args[0])
if result {
print("true\n")
} else {
print("false\n")
}
}