24 lines
548 B
V
24 lines
548 B
V
import datatypes as dt
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fn is_valid(bracket string) bool {
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mut s := dt.Stack<string>{}
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for b in bracket.split('') {
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if b == '[' {
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s.push(b)
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} else {
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if s.peek() or {''} == '[' {
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s.pop() or {panic("WON'T GET HERE EVER")}
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} else {
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return false
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}
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}
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}
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return true
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}
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fn main() {
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brackets := ['','[]','[][]','[[][]]','][','][][','[]][[]','[][[][[]][][[][]]]']
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for b in brackets {
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println('$b ${is_valid(b)}')
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}
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}
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