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Adjusted ordering of categories and topics to be alphabetical due to …
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…random set popping order
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Zanger67 committed Jul 7, 2024
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2 changes: 1 addition & 1 deletion .Readme Updater
218 changes: 109 additions & 109 deletions README.md

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30 changes: 15 additions & 15 deletions markdowns/Daily_Questions.md

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45 changes: 45 additions & 0 deletions markdowns/_3168. Minimum Number of Chairs in a Waiting Room.md
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# 3168. [Minimum Number of Chairs in a Waiting Room](<https://leetcode.com/problems/minimum-number-of-chairs-in-a-waiting-room>) - Q1

*All prompts are owned by LeetCode. To view the prompt, click the title link above.*

*[Back to top](<../README.md>)*

------

> *First completed : June 01, 2024*
>
> *Last updated : June 01, 2024*

------

> **Related Topics** : **[String](<by_topic/String.md>), [Simulation](<by_topic/Simulation.md>)**
>
> **Acceptance Rate** : **80.587 %**

------

## Solutions

- [Weekly Contest 400/e3168 Weekly Contest 400 q1.py](<../my-submissions/Weekly Contest 400/e3168 Weekly Contest 400 q1.py>)
### Python
#### [e3168 Weekly Contest 400 q1.py](<../my-submissions/Weekly Contest 400/e3168 Weekly Contest 400 q1.py>)
```Python
# https://leetcode.com/problems/minimum-number-of-chairs-in-a-waiting-room/description/

# Did during Weekly Contest 400

class Solution:
def minimumChairs(self, s: str) -> int:
maxx = 0
curr = 0
for i in s :
if i == 'L' :
curr = max(0, curr - 1)
else :
curr += 1
maxx = max(curr, maxx)
return maxx
```

61 changes: 61 additions & 0 deletions markdowns/_3169. Count Days Without Meetings.md
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# 3169. [Count Days Without Meetings](<https://leetcode.com/problems/count-days-without-meetings>) - Q2

*All prompts are owned by LeetCode. To view the prompt, click the title link above.*

*[Back to top](<../README.md>)*

------

> *First completed : June 01, 2024*
>
> *Last updated : June 01, 2024*

------

> **Related Topics** : **[Array](<by_topic/Array.md>), [Sorting](<by_topic/Sorting.md>)**
>
> **Acceptance Rate** : **33.105 %**

------

## Solutions

- [Weekly Contest 400/m3169 Weekly Contest 400 q2.py](<../my-submissions/Weekly Contest 400/m3169 Weekly Contest 400 q2.py>)
### Python
#### [m3169 Weekly Contest 400 q2.py](<../my-submissions/Weekly Contest 400/m3169 Weekly Contest 400 q2.py>)
```Python
# https://leetcode.com/problems/count-days-without-meetings/

# Did in Weekly-Contest 400
# https://leetcode.com/contest/weekly-contest-400/

''' Notes
days - meetingDays --> but meetingDays has overlaps
days - meetingDays + overlaps = answer
'''


class Solution:
def countDays(self, days: int, meetings: List[List[int]]) -> int:
meetings = sorted(meetings)

currentL, currentR = meetings[0]
counter = currentL - 1

# print(meetings)
for met in meetings[1:] :
# print(currentL, currentR)
if met[0] <= currentR :
currentR = max(met[1], currentR)
else :
counter += met[0] - currentR - 1
currentL, currentR = met

# print(counter, counter?
counter += days - currentR
return counter
```

53 changes: 53 additions & 0 deletions markdowns/_3174. Clear Digits.md
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# 3174. [Clear Digits](<https://leetcode.com/problems/clear-digits>) - Q1

*All prompts are owned by LeetCode. To view the prompt, click the title link above.*

*[Back to top](<../README.md>)*

------

> *First completed : June 08, 2024*
>
> *Last updated : June 08, 2024*

------

> **Related Topics** : **[Hash Table](<by_topic/Hash Table.md>), [String](<by_topic/String.md>), [Simulation](<by_topic/Simulation.md>)**
>
> **Acceptance Rate** : **72.042 %**

------

## Solutions

- [Biweekly Contest 132/e3174 q1.py](<../my-submissions/Biweekly Contest 132/e3174 q1.py>)
### Python
#### [e3174 q1.py](<../my-submissions/Biweekly Contest 132/e3174 q1.py>)
```Python
# https://leetcode.com/problems/clear-digits/

# Pretty bad contest due to server issues and lag to a point where submissions and
# feedback were taking 10+ minutes each...

# Last week's weekly contest was similar not with lag but with the servers being down
# for the first 15 minutes ;-;;;;

class Solution:
def clearDigits(self, s: str) -> str:
output = list(s)

lets = set(list('abcdefghijklmnopqrstuvwxyz'))
nums = set(list('0123456789'))

for i in range(len(output)) :
if output[i] in nums:
output[i] = ''
for j in range(i - 1, -1, -1) :
if output[j] in lets :
output[j] = ''
break
return ''.join(output)
```

53 changes: 53 additions & 0 deletions markdowns/_3175. Find The First Player to win K Games in a Row.md
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# 3175. [Find The First Player to win K Games in a Row](<https://leetcode.com/problems/find-the-first-player-to-win-k-games-in-a-row>) - Q2

*All prompts are owned by LeetCode. To view the prompt, click the title link above.*

*[Back to top](<../README.md>)*

------

> *First completed : June 08, 2024*
>
> *Last updated : June 08, 2024*

------

> **Related Topics** : **[Array](<by_topic/Array.md>), [Simulation](<by_topic/Simulation.md>)**
>
> **Acceptance Rate** : **38.974 %**

------

## Solutions

- [Biweekly Contest 132/m3175 q2.py](<../my-submissions/Biweekly Contest 132/m3175 q2.py>)
### Python
#### [m3175 q2.py](<../my-submissions/Biweekly Contest 132/m3175 q2.py>)
```Python
# https://leetcode.com/problems/find-the-first-player-to-win-k-games-in-a-row/

from collections import deque

class Solution:
def findWinningPlayer(self, skills: List[int], k: int) -> int:
gaming = deque(list(range(0,len(skills))))
wins = {}

currentKingOfHill = gaming.popleft()
counter = 0
while wins.get(currentKingOfHill, 0) < k :
if counter > len(skills) :
return currentKingOfHill
if skills[currentKingOfHill] > skills[gaming[0]] :
gaming.append(gaming.popleft())
counter += 1
else :
counter = 0
gaming.append(currentKingOfHill)
currentKingOfHill = gaming.popleft()
wins[currentKingOfHill] = wins.get(currentKingOfHill, 0) + 1
return currentKingOfHill
```

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# 3178. [Find the Child Who Has the Ball After K Seconds](<https://leetcode.com/problems/find-the-child-who-has-the-ball-after-k-seconds>) - Q1

*All prompts are owned by LeetCode. To view the prompt, click the title link above.*

*[Back to top](<../README.md>)*

------

> *First completed : June 08, 2024*
>
> *Last updated : June 08, 2024*

------

> **Related Topics** : **[Math](<by_topic/Math.md>), [Simulation](<by_topic/Simulation.md>)**
>
> **Acceptance Rate** : **62.369 %**

------

## Solutions

- [Weekly Contest 401/e3178 q1.py](<../my-submissions/Weekly Contest 401/e3178 q1.py>)
### Python
#### [e3178 q1.py](<../my-submissions/Weekly Contest 401/e3178 q1.py>)
```Python
# https://leetcode.com/problems/find-the-child-who-has-the-ball-after-k-seconds/
# https://leetcode.com/contest/weekly-contest-401/

class Solution:
def numberOfChild(self, n: int, k: int) -> int:
k %= (2 * n - 2)
if k >= n :
return (n - 1) - (k - (n - 1))
return k

```

64 changes: 64 additions & 0 deletions markdowns/_3179. Find the N-th Value After K Seconds.md
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# 3179. [Find the N-th Value After K Seconds](<https://leetcode.com/problems/find-the-n-th-value-after-k-seconds>) - Q2

*All prompts are owned by LeetCode. To view the prompt, click the title link above.*

*[Back to top](<../README.md>)*

------

> *First completed : June 08, 2024*
>
> *Last updated : June 08, 2024*

------

> **Related Topics** : **[Array](<by_topic/Array.md>), [Math](<by_topic/Math.md>), [Simulation](<by_topic/Simulation.md>), [Combinatorics](<by_topic/Combinatorics.md>), [Prefix Sum](<by_topic/Prefix Sum.md>)**
>
> **Acceptance Rate** : **55.648 %**

------

## Solutions

- [Weekly Contest 401/m3179 q2 brute force but worked.py](<../my-submissions/Weekly Contest 401/m3179 q2 brute force but worked.py>)
### Python
#### [m3179 q2 brute force but worked.py](<../my-submissions/Weekly Contest 401/m3179 q2 brute force but worked.py>)
```Python
# https://leetcode.com/problems/find-the-n-th-value-after-k-seconds/description/
# https://leetcode.com/contest/weekly-contest-401/

class Solution:
def valueAfterKSeconds(self, n: int, k: int) -> int:
output = [1] * n

for _ in range(k) :
for j in range(1, n) :
output[j] += output[j - 1]
return output[-1] % (10 ** 9 + 7)



''' I DID NOT EXPECT BRUTE FORCE TO WORK-
I wasted so much time trying to find the math behind it lol
1 1 1 1
1 2 3 4
1 3 6 10
1 4 10 20
0 [0] [1] [2] [3]
1 [0] [0]+[1] a+b+c =0+1+2 a+b+c+d =0+1+2+3
2 [0] 0+0+1=2a+b 3a+2b+c = 0+0+1+0+1+2 4a+3b+2c+d =0+0+1+0+1+2+0+1+2+3
3 [0] 3a+b 6a+3b+c 10a+6b+3c+d
4 [0] 4a+b 10a+4b+c 20a+10b+4c+d
5 [0]
6 [0]
7 [0]
0
1*prev + a 2 * prev
'''
```

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