ByteDance / TikTokCoding·60 minMembers
Valid Parentheses with Wildcard '*' and DFS All Strings
Members only
Validate a parenthesis string where `*` can act as `(`, `)`, or empty. Follow-up: enumerate every valid concrete string the input can produce.
SWE
string
stack
dfs
backtracking
testing
medium
Frequency
Single report
Last asked
2026-01-30
Stage
phone-screen · onsite-coding
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