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47 lines
562 B
47 lines
562 B
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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