#1276Medium· asked at 4 companies
Minimum Remove to Make Valid Parentheses
Hosted on LeetCode
Solve it on LeetCode, track it here.
This problem's full statement lives on LeetCode. Open it in a new tab, then come back to mark it solved, add notes and keep your streak.
LeetCode Premium locked?
Most company-tagged LeetCode problems are behind Premium. If you have ChatGPT Plus or Claude Pro, ask it for the full statement, examples and constraints. The buttons below open a chat with the prompt already filled in.
What we know
Example 1
Input: s = "lee(t(c)o)de)" Output: "lee(t(c)o)de"
"lee(t(co)de)" and "lee(t(c)ode)" are also accepted.
Example 2
Input: s = "a)b(c)d" Output: "ab(c)d"
Example 3
Input: s = "))((" Output: ""
Constraints
- •
1 <= s.length <= 10^5 - •
s[i]is either '(' , ')', or a lowercase English letter.