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48 lines
562 B
48 lines
562 B
5 years ago
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package main
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import (
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"github.com/01-edu/z01"
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"os"
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)
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func solve(str string) bool {
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x := 0
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y := 0
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for _, c := range str {
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if c == 'L' {
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x--
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} else if c == 'R' {
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x++
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} else if c == 'U' {
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y++
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} else if c == 'D' {
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y--
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}
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}
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if x == 0 && y == 0 {
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return true
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}
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return false
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}
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func print(str string) {
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for _, v := range str {
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z01.PrintRune(v)
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}
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}
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func main() {
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args := os.Args[1:]
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if len(args) != 1 {
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z01.PrintRune('\n')
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return
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}
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result := solve(args[0])
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if result {
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print("true\n")
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} else {
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print("false\n")
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}
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}
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