-
Notifications
You must be signed in to change notification settings - Fork 0
올바른 괄호 문제풀이 #8
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
Open
ChangZero
wants to merge
2
commits into
main
Choose a base branch
from
programmers_1
base: main
Could not load branches
Branch not found: {{ refName }}
Loading
Could not load tags
Nothing to show
Loading
Are you sure you want to change the base?
Some commits from the old base branch may be removed from the timeline,
and old review comments may become outdated.
Open
올바른 괄호 문제풀이 #8
Changes from all commits
Commits
Show all changes
2 commits
Select commit
Hold shift + click to select a range
File filter
Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| # 시간복잡도 O(n) n:문자열의 크기 | ||
|
|
||
| def solution(s): | ||
| answer = True | ||
| count = 0 | ||
| right = 0 #'(' 개수 | ||
| left = 0 #')' 개수 | ||
| for idx in range(len(s)): | ||
| if s[idx] == '(': | ||
| count += 1 # '('가 나오면 더해줌 | ||
| right += 1 | ||
| else: | ||
| left += 1 | ||
| if count > 0: # '('가 한번이상 나왔을 때 | ||
| count -= 1 # ')'가 나오면 빼줌 | ||
|
|
||
| if (count != 0) | (left != right): # count가 0이 아니거나 '('와 ')' 개수가 다르면 false | ||
| answer = False | ||
| return answer | ||
|
|
||
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
저는 count가 한번이라도 -1로 가면 바로 False 리턴하도록 짰습니다.
어차피 )가 ()쌍이나 ( 앞에 하나라도 있으면 False기 때문에...
그래도 답엔 이상없으니 괜찮은듯