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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Balanced-brackets/Stata/balanced-brackets.stata Normal file
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mata
function random_brackets(n) {
return(invtokens(("[","]")[runiformint(1,2*n,1,2)],""))
}
function is_balanced(s) {
n = strlen(s)
if (n==0) return(1)
a = runningsum(92:-ascii(s))
return(all(a:>=0) & a[n]==0)
}
end