post_href stringlengths 57 213 | python_solutions stringlengths 71 22.3k | slug stringlengths 3 77 | post_title stringlengths 1 100 | user stringlengths 3 29 | upvotes int64 -20 1.2k | views int64 0 60.9k | problem_title stringlengths 3 77 | number int64 1 2.48k | acceptance float64 0.14 0.91 | difficulty stringclasses 3
values | __index_level_0__ int64 0 34k |
|---|---|---|---|---|---|---|---|---|---|---|---|
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/1906996/Python3-with-helper | class Solution:
def helper(self, nums: List[int]) -> List[int]:
dp = []
i = 0
while i < len(nums) - 1:
dp.append((nums[i] + nums[i + 1]) % 10)
i += 1
return dp
def triangularSum(self, nums: List[int]) -> int:
while len(nums) > 1:
n... | find-triangular-sum-of-an-array | Python3 with helper | ElizaZoldyck | 5 | 375 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,800 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2073909/Python-Solution-Easy-Solution-W-No-Extra-Memory | class Solution:
def triangularSum(self, nums: List[int]) -> int:
for i in range(len(nums) - 1, -1, -1):
for j in range(i):
nums[j] = (nums[j] + nums[j + 1]) % 10
return nums[0] | find-triangular-sum-of-an-array | Python Solution - Easy Solution W/ No Extra Memory | alexerling | 3 | 282 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,801 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2394567/python-easily-understandable-recursion | class Solution:
def triangularSum(self, nums: List[int]) -> int:
if len(nums) == 1:
return nums[0]
newNums = []
for i in range(len(nums)-1):
k = (nums[i] + nums[i+1]) % 10
newNums.append(k)
return self.triangularSum(newNums) | find-triangular-sum-of-an-array | python easily understandable, recursion | user7981Bv | 1 | 113 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,802 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2328239/Python3-DP-to-Inplace-O(n2)-to-O(1)-Runtime%3A-2255ms-84.49-oror-Memory%3A-14mb-80.16 | class Solution:
def triangularSum(self, nums: List[int]) -> int:
return self.solOne(nums)
return self.solTwo(nums)
# Runtime: 2255ms 84.49% || Memory: 14mb 80.16%
# O(n^2) || O(1)
def solOne(self, nums):
if len(nums) == 1:
return nums[0]
for i in re... | find-triangular-sum-of-an-array | Python3 DP to Inplace O(n^2) to O(1) Runtime: 2255ms 84.49% || Memory: 14mb 80.16% | arshergon | 1 | 167 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,803 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2842240/Simple-python-solution | class Solution:
def triangularSum(self, nums: List[int]) -> int:
while len(nums)>1:
for i in range(len(nums)-1):
nums[i] = ((nums[i]+nums[i+1])%10)
nums.pop()
return nums[0] | find-triangular-sum-of-an-array | Simple python solution | Rajeev_varma008 | 0 | 2 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,804 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2824424/Python-or-Easy-Solution-or-Loops | class Solution:
def triangularSum(self, nums: List[int]) -> int:
while len(nums) != 1:
ans = []
# print(nums)
for i in range(len(nums)-1):
ans.append((nums[i]+nums[i+1])%10)
nums = ans
return nums[0] | find-triangular-sum-of-an-array | Python | Easy Solution | Loops | atharva77 | 0 | 1 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,805 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2811462/Python-or-Easy-approach-or-O(n*n) | class Solution:
def triangularSum(self, nums: List[int]) -> int:
for j in range(len(nums)-1):
for i in range(len(nums)-1):
nums[i] = nums[i] + nums[i+1]
nums[i] = nums[i]%10
return nums[0] | find-triangular-sum-of-an-array | Python | Easy approach | O(n*n) | bhuvneshwar906 | 0 | 2 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,806 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2811218/Simple-Logic-in-Python | class Solution:
def triangularSum(self, nums: List[int]) -> int:
l = []
if len(nums) == 1:
return nums[0]
else:
for i in range(len(nums) - 1):
l.append((nums[i] + nums[i + 1]) % 10)
if len(l) == 1:
return l[0]
el... | find-triangular-sum-of-an-array | Simple Logic in Python | Himakar_C | 0 | 2 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,807 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2804904/Python-Solution-EASY-TO-UNDERSTAND | class Solution:
def triangularSum(self, nums: List[int]) -> int:
n=len(nums)
while n!=1:
newnums=[]
for i in range(n-1):
newnums.append((nums[i] + nums[i+1]) % 10)
nums=newnums
n=len(nums)
return sum(nums) | find-triangular-sum-of-an-array | Python Solution - EASY TO UNDERSTAND | T1n1_B0x1 | 0 | 2 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,808 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2776751/Python-easy-to-understand-solution | class Solution:
def triangularSum(self, nums: List[int]) -> int:
while (len(nums)>1):
for i in range((len(nums))-1):
nums[i]=(nums[i]+nums[i+1])%10
nums.pop(len(nums)-1)
return nums[0] | find-triangular-sum-of-an-array | Python easy to understand solution | divyanshuan | 0 | 9 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,809 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2776477/python3-slow-solution | class Solution:
def triangularSum(self, nums: List[int]) -> int:
for j in range(len(nums), 0, -1):
for i in range(1, j):
nums[i - 1] += nums[i]
nums[i - 1] %= 10
return nums[0] | find-triangular-sum-of-an-array | python3 slow solution | rupamkarmakarcr7 | 0 | 3 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,810 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2764402/easy-python-solutionoror-easy-to-understand | class Solution:
def triangularSum(self, nums: List[int]) -> int:
while len(nums)>1:
for i in reversed(range(1,len(nums))):
nums[i] = (nums[i]+nums[i-1])%10
nums = nums[1:]
return nums[0] | find-triangular-sum-of-an-array | ✅✅easy python solution|| easy to understand | chessman_1 | 0 | 6 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,811 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2710651/Easy-Python-Solution | class Solution:
def triangularSum(self, nums: List[int]) -> int:
l=[]
while len(nums)>1:
for i in range(len(nums)-1):
l.append((nums[i]+nums[i+1])%10)
nums=l
l=[]
return nums[0] | find-triangular-sum-of-an-array | Easy Python Solution | abhint1 | 0 | 11 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,812 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2709346/Brute-force-approach | class Solution:
def triangularSum(self, nums: List[int]) -> int:
n = len(nums)
while n > 1:
ls = []
for i in range(1,n):
ls.append((nums[i] + nums[i-1])%10)
n-=1
nums=ls
return nums[0] | find-triangular-sum-of-an-array | Brute force approach | anshsharma17 | 0 | 2 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,813 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2683796/Find-Triangular-Sum-of-an-Array | class Solution:
def triangularSum(self, nums: List[int]) -> int:
n = len(nums)
while n > 1:
for i in range(len(nums) - 1):
nums[i] = (nums[i] + nums[i + 1]) % 10
nums.pop()
n -= 1
return nums[-1] | find-triangular-sum-of-an-array | Find Triangular Sum of an Array | Muggles102 | 0 | 4 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,814 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2681002/easy-python | class Solution:
def triangularSum(self, nums: List[int]) -> int:
m = len(nums) - 1
mCk = 1
result = 0
for k, num in enumerate(nums):
result = (result + mCk * num) % 10
# print("r",result)
mCk *= m - k
# print("mc",mCk)
mCk /... | find-triangular-sum-of-an-array | easy python | vivekraj185 | 0 | 28 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,815 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2641439/Python-solution-with-one-question!-HELP!-Time%3AO(N)-Space%3AO(1) | class Solution:
def triangularSum(self, nums: List[int]) -> int:
m = len(nums)-1
res = 0
m_fac = 1
i = 0
while i<(m+1)//2:
res += m_fac*(nums[i]+nums[m-i])
m_fac*=(m-i)
m_fac=m_fac//(i+1)
# m_fac=m_fac/(i+1)
i += 1
if m%2==0:
res += m_fac*(nums[... | find-triangular-sum-of-an-array | Python solution with one question! HELP! Time:O(N) Space:O(1) | CgriefTesla | 0 | 12 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,816 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2625747/Simple-Python-Solution-with-comments | class Solution:
def triangularSum(self, nums: List[int]) -> int:
n=len(nums)
# base conditions
if n==0:
return 0
if n<=2:
return sum(nums)%10
# we will iterate over nums list
# keep updating the sum in the same list
... | find-triangular-sum-of-an-array | Simple Python Solution with comments | Siddharth_singh | 0 | 35 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,817 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2614049/Python3-Brute-Force | class Solution:
def triangularSum(self, nums: List[int]) -> int:
while len(nums) > 1:
for index in range(len(nums) -1):
nums[index] = (nums[index] + nums[index + 1]) % 10
nums.pop()
return nums[0] | find-triangular-sum-of-an-array | [Python3] Brute Force | peatear-anthony | 0 | 30 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,818 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2595990/Python-easy-solution | class Solution:
def triangularSum(self, nums: List[int]) -> int:
tmp = []
while(len(nums)>1):
tmp = [0]*(len(nums)-1)
for i in range(len(tmp)):
tmp[i] = nums[i]+nums[i+1]
if(tmp[i]>=10):
tmp[i] -= 10
nums = tmp.c... | find-triangular-sum-of-an-array | Python easy solution | Jack_Chang | 0 | 67 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,819 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2569085/Python-both-recursive-and-iterative-straight-forward-solutions | class Solution:
def triangularSum(self, nums: List[int]) -> int:
if len(nums) == 1:
return nums[0]
ans = []
for i in range(len(nums) - 1):
ans.append((nums[i] + nums[i + 1]) % 10)
nums = ans
return self.triangularSum(nums) | find-triangular-sum-of-an-array | Python both recursive and iterative straight-forward solutions | Mark_computer | 0 | 51 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,820 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2569085/Python-both-recursive-and-iterative-straight-forward-solutions | class Solution:
def triangularSum(self, nums: List[int]) -> int:
while len(nums) > 1:
ans = []
for i in range(len(nums) - 1):
ans.append((nums[i] + nums[i + 1]) % 10)
nums = ans
return nums[0] | find-triangular-sum-of-an-array | Python both recursive and iterative straight-forward solutions | Mark_computer | 0 | 51 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,821 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2543984/Short-and-sweet-python-inline-solution | class Solution:
def triangularSum(self, nums: List[int]) -> int:
right_border = len(nums)
while right_border > 1:
for i in range(right_border - 1):
nums[i] = (nums[i] + nums[i+1]) % 10
right_border -= 1
return nums[0] | find-triangular-sum-of-an-array | Short and sweet python inline solution | jestpunk | 0 | 27 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,822 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2506613/Python-Binomial-Coefficients-with-Math-Explained-O(n)-Time | class Solution:
def triangularSum(self, nums: List[int]) -> int:
coef = 1
sum = nums[0]
n = len(nums) - 1
for k in range(1, len(nums)):
coef *= (n - k + 1)
coef //= k # integer division to avoid floating point
sum += coef * nums[k]
sum ... | find-triangular-sum-of-an-array | Python Binomial Coefficients with Math Explained - O(n) Time | npavlosky | 0 | 95 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,823 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2498613/Python-simple-and-optmized | class Solution:
def triangularSum(self, nums: List[int]) -> int:
n = len(nums) # to find the lenght of list nums
if n == 1: # if list contains only one element
return nums[-1] #then return that element
... | find-triangular-sum-of-an-array | Python simple and optmized | prime_utkarsh | 0 | 82 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,824 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2489915/Simple-python-code-with-explanation | class Solution:
def triangularSum(self, nums: List[int]) -> int:
n = len(nums) # to find the lenght of list nums
if n == 1: # if list contains only one element
return nums[-1] ... | find-triangular-sum-of-an-array | Simple python code with explanation | thomanani | 0 | 56 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,825 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2244074/Python3-Pascal's-Triangle | class Solution:
def triangularSum(self, nums: List[int]) -> int:
comb = [1]
for i in range(len(nums)-1):
comb.append(comb[-1]*(len(nums)-1-i)//(i+1))
return sum(x*y for x, y in zip(nums, comb)) % 10 | find-triangular-sum-of-an-array | [Python3] Pascal's Triangle | ye15 | 0 | 53 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,826 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2181963/Python-simple-recursive-solution | class Solution:
def triangularSum(self, n: List[int]) -> int:
def ts(nums: List[int]) -> int:
ln = len(nums)
if ln == 1:
return nums[0]
else:
arr = []
for i in range(1,ln):
arr.append((nums[i... | find-triangular-sum-of-an-array | Python simple recursive solution | StikS32 | 0 | 64 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,827 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2174611/Naive-Approach-or-Easy-to-understand | class Solution:
def triangularSum(self, nums: List[int]) -> int:
while len(nums) != 1:
temp_arr = []
for i in range(len(nums)-1):
add = (nums[i]+nums[i+1])%10
temp_arr.append(add)
nums = temp_arr
return nums[0] | find-triangular-sum-of-an-array | Naive Approach | Easy to understand | yash921 | 0 | 35 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,828 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/2162656/Easiest-Approach | class Solution:
def triangularSum(self, nums: List[int]) -> int:
length = len(nums)
for i in range(length-1,-1,-1):
for j in range(i):
nums[j] = (nums[j] + nums[j+1])%10
return nums[0] | find-triangular-sum-of-an-array | Easiest Approach | Vaibhav7860 | 0 | 41 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,829 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/1942289/5-Lines-Python-Solution-oror-92-Faster-oror-Memory-less-than-97 | class Solution:
def triangularSum(self, nums: List[int]) -> int:
while len(nums)>1:
newNums=[]
for i in range(len(nums)-1): newNums.append((nums[i]+nums[i+1])%10)
nums=newNums
return nums[0] | find-triangular-sum-of-an-array | 5-Lines Python Solution || 92% Faster || Memory less than 97% | Taha-C | 0 | 81 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,830 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/1942289/5-Lines-Python-Solution-oror-92-Faster-oror-Memory-less-than-97 | class Solution:
def triangularSum(self, nums: List[int]) -> int:
n=len(nums)
while n>1:
for i in range(n-1): nums[i]=(nums[i]+nums[i+1])%10
n-=1
return nums[0] | find-triangular-sum-of-an-array | 5-Lines Python Solution || 92% Faster || Memory less than 97% | Taha-C | 0 | 81 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,831 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/1926382/6-line-Python-code-or-O(n2)-time-O(1)-space-or-Easy-to-Understand | class Solution:
def triangularSum(self, nums: List[int]) -> int:
n = len(nums)
while(n > 1):
for i in range(n-1):
nums[i] = (nums[i]+nums[i+1])%10
n -= 1
return nums[0] | find-triangular-sum-of-an-array | 6 line Python code | O(n^2) time, O(1) space | Easy to Understand | shiva1gandluri | 0 | 59 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,832 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/1926061/Python3-simple-solution | class Solution:
def triangularSum(self, nums: List[int]) -> int:
while len(nums) > 1:
ans = []
for i in range(len(nums)-1):
ans.append((nums[i] + nums[i+1])%10)
nums = ans
return nums[0] | find-triangular-sum-of-an-array | Python3 simple solution | EklavyaJoshi | 0 | 29 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,833 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/1915303/python-3-easy-and-fast-solutionoror-O(n2)-time-O(1)-space | class Solution:
def triangularSum(self, nums: List[int]) -> int:
while len(nums)>1:
ls=[]
for i in range(len(nums)-1):
ls.append((nums[i]+nums[i+1])%10)
nums=ls
return nums[0] | find-triangular-sum-of-an-array | python 3 easy and fast solution|| O(n^2) time , O(1) space | nileshporwal | 0 | 59 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,834 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/1912913/Two-loops-one-array-100-speed | class Solution:
def triangularSum(self, nums: List[int]) -> int:
for n in range(len(nums) - 1, 0, -1):
for i in range(n):
nums[i] = (nums[i] + nums[i + 1]) % 10
return nums[0] | find-triangular-sum-of-an-array | Two loops, one array, 100% speed | EvgenySH | 0 | 43 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,835 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/1912371/Python-easy-solution-with-memory-less-than-90 | class Solution:
def triangularSum(self, nums: List[int]) -> int:
n = len(nums)
for i in range(n - 1, 0, -1):
newnums = [0] * i
for j in range(0, i):
newnums[j] = (nums[j] + nums[j+1]) % 10
nums = newnums
return nums[0] | find-triangular-sum-of-an-array | Python easy solution with memory less than 90% | alishak1999 | 0 | 27 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,836 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/1912339/Simple-and-Easy-To-Understand-Python-Solution | class Solution:
def triangularSum(self, nums: List[int]) -> int:
from collections import deque
dq = deque(nums)
while len(dq) > 1:
cur = len(dq)
while cur > 1:
a = dq.popleft()
b = dq.popleft()
c = (a + b) % 10
... | find-triangular-sum-of-an-array | Simple and Easy To Understand Python Solution | danielkua | 0 | 12 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,837 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/1911677/python-3-oror-simple-brute-force | class Solution:
def triangularSum(self, nums: List[int]) -> int:
while len(nums) > 1:
nums = [(nums[i] + nums[i+1]) % 10 for i in range(len(nums) - 1)]
return nums[0] | find-triangular-sum-of-an-array | python 3 || simple brute force | dereky4 | 0 | 21 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,838 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/1907687/Python-3-or-In-Place-Compression-or-Explanation | class Solution:
def triangularSum(self, nums: List[int]) -> int:
n = len(nums)
while n > 1:
prev = nums[n-1]
for right in range(n-1, 0, -1):
prev, nums[right-1] = nums[right-1], (prev + nums[right-1]) % 10
n -= 1
return nums[0] | find-triangular-sum-of-an-array | Python 3 | In-Place Compression | Explanation | idontknoooo | 0 | 52 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,839 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/1907529/Simple-python-with-comments | class Solution:
def triangularSum(self, nums: List[int]) -> int:
def doMath(nums):
pointer_one = 0
pointer_two = 1
new_nums = []
# while loop while the length of nums is > 1
while pointer_two < len(nums):
# take the neig... | find-triangular-sum-of-an-array | Simple python with comments | arizala13 | 0 | 41 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,840 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/1907170/Simple-Python-3-solution | class Solution:
def triangularSum(self, nums: List[int]) -> int:
while(len(nums)>1):
newarray=[]
for i in range(len(nums)-1):
newarray.append((nums[i]+nums[i+1])%10)
nums=newarray
return nums[0] | find-triangular-sum-of-an-array | Simple Python 3 solution | user8795ay | 0 | 17 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,841 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/1907050/Python3-or-Simple-Approach | class Solution:
def triangularSum(self, nums: List[int]) -> int:
temp = []
while len(nums) > 1:
for i in range(len(nums) - 1):
temp.append((nums[i] + nums[i + 1])%10)
nums = temp
temp = []
return nums[0] | find-triangular-sum-of-an-array | Python3 | Simple Approach | goyaljatin9856 | 0 | 24 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,842 |
https://leetcode.com/problems/find-triangular-sum-of-an-array/discuss/1908063/Python3-elegant | class Solution:
def triangular_sum(self, nums: List[int]) -> int:
nums1 = nums
while len(nums1) > 1:
nums2 = []
for i in range(len(nums1) - 1):
nums2 += [(nums1[i] + nums1[i + 1]) % 10]
nums1 = nums2
return nums1[0] | find-triangular-sum-of-an-array | Python3 elegant | Tallicia | -1 | 26 | find triangular sum of an array | 2,221 | 0.79 | Medium | 30,843 |
https://leetcode.com/problems/number-of-ways-to-select-buildings/discuss/1979756/python-3-oror-short-and-simple-oror-O(n)O(1) | class Solution:
def numberOfWays(self, s: str) -> int:
zeros = s.count('0')
ones = len(s) - zeros
zeroPrefix = onePrefix = res = 0
for c in s:
if c == '0':
res += onePrefix * (ones - onePrefix)
zeroPrefix += 1
else:
... | number-of-ways-to-select-buildings | python 3 || short and simple || O(n)/O(1) | dereky4 | 5 | 304 | number of ways to select buildings | 2,222 | 0.512 | Medium | 30,844 |
https://leetcode.com/problems/number-of-ways-to-select-buildings/discuss/1907871/Python-3-or-Prefix-and-Suffix-sum-Easy-to-understand-or-Explanation | class Solution:
def numberOfWays(self, s: str) -> int:
prefix = []
one = zero = 0
for c in s: # find number of 0 or 1 before index `i`
prefix.append([zero, one])
if c == '1':
one += 1
else:
zer... | number-of-ways-to-select-buildings | Python 3 | Prefix & Suffix sum, Easy to understand | Explanation | idontknoooo | 2 | 153 | number of ways to select buildings | 2,222 | 0.512 | Medium | 30,845 |
https://leetcode.com/problems/number-of-ways-to-select-buildings/discuss/2753063/5-line-Python-Solution-or-Easy-%2B-Fast | class Solution:
def numberOfWays(self, s: str) -> int:
x0,x1,x01,x10,ans = 0,0,0,0,0
for i in s:
if i=="1": x1+=1;x01+=x0;ans+=x10
else: x0+=1;x10+=x1;ans+=x01
return ans | number-of-ways-to-select-buildings | 5 line Python Solution | Easy + Fast | RajatGanguly | 1 | 63 | number of ways to select buildings | 2,222 | 0.512 | Medium | 30,846 |
https://leetcode.com/problems/number-of-ways-to-select-buildings/discuss/2781109/Python-Easy-Solution-without-DP | class Solution:
def numberOfWays(self, s: str) -> int:
prefix = {"0": 0, "1": 0}
suffix = {"0": 0, "1": 0}
for i in s:
suffix[i] += 1
res = 0
for i in s:
complement = "0" if i == "1" else "1"
suffix[i] -= 1
res += suffi... | number-of-ways-to-select-buildings | [Python] Easy Solution without DP | rubenciranni | 0 | 5 | number of ways to select buildings | 2,222 | 0.512 | Medium | 30,847 |
https://leetcode.com/problems/number-of-ways-to-select-buildings/discuss/2248166/Python3-dp | class Solution:
def numberOfWays(self, s: str) -> int:
ans = n0 = n1 = n01 = n10 = 0
for ch in s:
if ch == '0':
ans += n01
n10 += n1
n0 += 1
else:
ans += n10
n01 += n0
n1 += 1... | number-of-ways-to-select-buildings | [Python3] dp | ye15 | 0 | 71 | number of ways to select buildings | 2,222 | 0.512 | Medium | 30,848 |
https://leetcode.com/problems/number-of-ways-to-select-buildings/discuss/1916316/Linear-solution-95-speed | class Solution:
def numberOfWays(self, s: str) -> int:
len_s = len(s)
if len_s < 3:
return 0
total_zeros, total_ones = s.count("0"), s.count("1")
count = zeros = ones = 0
if s[0] == "0":
zeros = 1
else:
ones = 1
for i in ran... | number-of-ways-to-select-buildings | Linear solution, 95% speed | EvgenySH | 0 | 67 | number of ways to select buildings | 2,222 | 0.512 | Medium | 30,849 |
https://leetcode.com/problems/number-of-ways-to-select-buildings/discuss/1911159/Python3-Simple-Solution | class Solution:
def numberOfWays(self, s: str) -> int:
zero,cur_zero,one,cur_one,res = 0,0,0,0,0
for i in s:
zero += i == '0'
one += i == '1'
for i in s:
if i == '0':
res += (cur_one*(one-cur_one))
cur_zero += 1... | number-of-ways-to-select-buildings | [Python3] Simple Solution | abhijeetmallick29 | 0 | 18 | number of ways to select buildings | 2,222 | 0.512 | Medium | 30,850 |
https://leetcode.com/problems/number-of-ways-to-select-buildings/discuss/1908015/Python3 | class Solution:
def numberOfWays(self, s: str) -> int:
def find_subsequence_count(S, T):
m = len(T)
n = len(S)
if m > n:
return 0
mat = [[0 for _ in range(n + 1)]
for __ in range(m + 1)]
for i in range(1, m + 1):
... | number-of-ways-to-select-buildings | Python3 | Tallicia | 0 | 17 | number of ways to select buildings | 2,222 | 0.512 | Medium | 30,851 |
https://leetcode.com/problems/sum-of-scores-of-built-strings/discuss/2256814/Python3-rolling-hash-and-z-algorithm | class Solution:
def sumScores(self, s: str) -> int:
mod = 119_218_851_371
hs = 0
vals = [0]
for i, ch in enumerate(s):
hs = (hs * 26 + ord(ch) - 97) % mod
vals.append(hs)
p26 = [1]
for _ in range(len(s)): p26.append(p26[-1] * 26 % mo... | sum-of-scores-of-built-strings | [Python3] rolling hash & z-algorithm | ye15 | 1 | 82 | sum of scores of built strings | 2,223 | 0.37 | Hard | 30,852 |
https://leetcode.com/problems/sum-of-scores-of-built-strings/discuss/2256814/Python3-rolling-hash-and-z-algorithm | class Solution:
def sumScores(self, s: str) -> int:
ans = [0] * len(s)
lo = hi = ii = 0
for i in range(1, len(s)):
if i <= hi: ii = i - lo
if i + ans[ii] <= hi: ans[i] = ans[ii]
else:
lo, hi = i, max(hi, i)
while hi < le... | sum-of-scores-of-built-strings | [Python3] rolling hash & z-algorithm | ye15 | 1 | 82 | sum of scores of built strings | 2,223 | 0.37 | Hard | 30,853 |
https://leetcode.com/problems/sum-of-scores-of-built-strings/discuss/2776139/Python-solution-or-KMP-prefix-or-Z-function | class Solution:
def sumScores(self, s: str) -> int:
n = len(s)
dp, p = [1]*n, [0]*n
for i in range(1, n):
j = p[i-1]
while(j and s[i]!=s[j]):
j = p[j-1]
if s[i]==s[j]:
dp[i] += dp[j]
j += 1
p[i] =... | sum-of-scores-of-built-strings | Python solution | KMP-prefix | Z-function | vincent_du | 0 | 7 | sum of scores of built strings | 2,223 | 0.37 | Hard | 30,854 |
https://leetcode.com/problems/sum-of-scores-of-built-strings/discuss/2776139/Python-solution-or-KMP-prefix-or-Z-function | class Solution:
def sumScores(self, s: str) -> int:
n, l, r = len(s), 0, 0
z = [0] * n
for i in range(1, n):
if i <= r:
z[i] = min(r - i + 1, z[i - l])
while i + z[i] < n and s[z[i]] == s[i + z[i]]:
z[i] += 1
if i + z[i] - 1... | sum-of-scores-of-built-strings | Python solution | KMP-prefix | Z-function | vincent_du | 0 | 7 | sum of scores of built strings | 2,223 | 0.37 | Hard | 30,855 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/1908786/Easy-Python-Solution-or-Convert-time-to-minutes | class Solution:
def convertTime(self, current: str, correct: str) -> int:
current_time = 60 * int(current[0:2]) + int(current[3:5]) # Current time in minutes
target_time = 60 * int(correct[0:2]) + int(correct[3:5]) # Target time in minutes
diff = target_time - current_time # Difference b/w c... | minimum-number-of-operations-to-convert-time | ⭐Easy Python Solution | Convert time to minutes | anCoderr | 30 | 1,200 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,856 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/1908924/Python-O(1)-Time | class Solution:
def convertTime(self, s: str, c: str) -> int:
dif=(int(c[:2])*60+int(c[3:]))-(int(s[:2])*60+int(s[3:]))
count=0
print(dif)
arr=[60,15,5,1]
for x in arr:
count+=dif//x
dif=dif%x
return count | minimum-number-of-operations-to-convert-time | Python O(1) Time | amlanbtp | 2 | 52 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,857 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/1908893/Simple-Elegant-Solution-With-Explaination | class Solution:
def convertTime(self, current: str, correct: str) -> int:
def get_time(t):
hh, mm = t.split(':')
return int(hh) * 60 + int(mm)
current, correct = get_time(current), get_time(correct)
operations = 0
diff = correct - current
... | minimum-number-of-operations-to-convert-time | Simple Elegant Solution With Explaination | mrunankmistry52 | 2 | 55 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,858 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/1961744/Python3-division-and-modulo | class Solution:
def convertTime(self, current: str, correct: str) -> int:
fn = lambda x, y: 60*x + y
m0 = fn(*map(int, current.split(':')))
m1 = fn(*map(int, correct.split(':')))
ans = 0
diff = m1 - m0
for x in 60, 15, 5, 1:
ans += diff // x
... | minimum-number-of-operations-to-convert-time | [Python3] division & modulo | ye15 | 1 | 47 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,859 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/1913661/Python-Simple-Solution-or-Easy-to-understand-or-Begginners | class Solution(object):
def convertTime(self, current, correct):
"""
:type current: str
:type correct: str
:rtype: int
"""
l = current.split(":")
m = correct.split(":")
c = 0
c+=int(m[0])-int(l[0])
x = int(m[1])-int(l[1])
if in... | minimum-number-of-operations-to-convert-time | Python Simple Solution | Easy to understand | Begginners | AkashHooda | 1 | 38 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,860 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/2649434/Python3-Fun-With-Lambdas | class Solution:
def convertTime(self, current: str, correct: str) -> int:
x = lambda a, b: int(a) * 60 + int(b)
m = reduce(sub, map(lambda m: reduce(x, m.split(":")), [correct, current]))
u = [60, 15, 5, 1]
c = 0
for i in u:
c += m // i
m %= i
... | minimum-number-of-operations-to-convert-time | Python3 Fun With Lambdas | godshiva | 0 | 1 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,861 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/2395347/Python-greedy-faster-than-98 | class Solution:
def convertTime(self, current: str, correct: str) -> int:
minutes1=int(current[:2])*60 + int(current[3:])
minutes2=int(correct[:2])*60 + int(correct[3:])
minutes=abs(minutes1-minutes2)
c60= minutes//60
minutes-=c60*60
c15= minutes//15
... | minimum-number-of-operations-to-convert-time | Python greedy faster than 98% | sunakshi132 | 0 | 80 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,862 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/2256723/Python-Solution | class Solution:
def convertTime(self, current: str, correct: str) -> int:
diff = (int(correct[0:2]) * 60 + int(correct[-2:])) - (int(current[0:2]) * 60 + int(current[-2:]))
result = 0
for t in 60, 15, 5, 1:
q, diff = divmod(diff, t)
result += q
return result | minimum-number-of-operations-to-convert-time | Python Solution | hgalytoby | 0 | 46 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,863 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/2143999/Python3-simple-solution | class Solution:
def convertTime(self, current: str, correct: str) -> int:
current = current.split(':')
correct = correct.split(':')
current = int(current[0])*60 + int(current[1])
correct = int(correct[0])*60 + int(correct[1])
if current > correct:
... | minimum-number-of-operations-to-convert-time | Python3 simple solution | EklavyaJoshi | 0 | 56 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,864 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/2120149/Python-oror-Easy-Approach | class Solution:
def convertTime(self, current: str, correct: str) -> int:
current_list = current.split(":")
current_minute = 60 * int(current_list[0]) + int(current_list[1])
correct_list = correct.split(":")
correct_minute = 60 * int(correct_list[0]) + int(correct_l... | minimum-number-of-operations-to-convert-time | ✅Python || Easy Approach | chuhonghao01 | 0 | 50 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,865 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/2088623/Python-or-Easy-to-understand | class Solution:
def convertTime(self, current: str, correct: str) -> int:
current = current.split(':')
correct = correct.split(':')
for i in range(len(current)):
current[i] = int(current[i])
correct[i] = int(correct[i])
remaining... | minimum-number-of-operations-to-convert-time | Python | Easy to understand | shreeruparel | 0 | 60 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,866 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/2078911/Python-90ms-solution | class Solution:
def convertTime(self, current: str, correct: str) -> int:
ans = 0
diff = (int(correct.split(':')[0])*60+int(correct.split(':')[1]))-(int(current.split(':')[0])*60+int(current.split(':')[1]))
while diff != 0:
if diff//60 != 0:
ans += diff//60
... | minimum-number-of-operations-to-convert-time | Python 90%ms solution | StikS32 | 0 | 46 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,867 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/1959317/Python-dollarolution-(99.81-Faster) | class Solution:
def convertTime(self, current: str, correct: str) -> int:
h, m = int(correct[0:2]) - int(current[0:2]), int(correct[3:5]) - int(current[3:5])
if m < 0:
m = m+60
h -= 1
h += m // 15
m = m % 15
h += m // 5
m = m % 5
h += m... | minimum-number-of-operations-to-convert-time | Python $olution (99.81% Faster) | AakRay | 0 | 69 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,868 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/1920733/Python3-or-Intuitive-approach | class Solution:
def convertTime(self, current: str, correct: str) -> int:
hr_curr, min_curr = current.split(":")
hr_corr, min_corr = correct.split(":")
hr_diff = int(hr_corr) - int(hr_curr)
min_diff = int(min_corr) - int(min_curr)
min_diff += hr_diff *60
ans... | minimum-number-of-operations-to-convert-time | Python3 | Intuitive approach | user0270as | 0 | 28 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,869 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/1920229/Python-Case-by-case-solution | class Solution:
def convertTime(self, current: str, correct: str) -> int:
if current == correct:
return 0
count_h = 0
curr_h = int(current[:2])
target_h = int(correct[:2])
while curr_h < target_h:
curr_h += 1
count_h += 1
... | minimum-number-of-operations-to-convert-time | [Python] Case by case solution | casshsu | 0 | 24 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,870 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/1911649/python-3-oror-simple-solution | class Solution:
def convertTime(self, current: str, correct: str) -> int:
currH, currM = map(int, current.split(':'))
corrH, corrM = map(int, correct.split(':'))
diff = 60*(corrH - currH) + corrM - currM
res = 0
for m in (60, 15, 5, 1):
x, diff = divmod(d... | minimum-number-of-operations-to-convert-time | python 3 || simple solution | dereky4 | 0 | 28 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,871 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/1910709/Python-convert-to-minutes | class Solution:
def convertTime(self, current: str, correct: str) -> int:
current = 60 * int(current[:2]) + int(current[-2:])
correct = 60 * int(correct[:2]) + int(correct[-2:])
diff = correct - current
if diff < 0:
diff += 24 * 60
num_operations = 0 ... | minimum-number-of-operations-to-convert-time | Python, convert to minutes | blue_sky5 | 0 | 19 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,872 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/1909971/EZ-oror-O(1)-TC-oror-Beats-~83 | class Solution:
def convertTime(self, current: str, correct: str) -> int:
curr_split=current.split(":")
corr_split=correct.split(":")
h, m = 0, 0
h=int(corr_split[0])-int(curr_split[0])
if int(curr_split[1])<=int(corr_split[1]):
m=int(corr_split[1])-int(curr_split... | minimum-number-of-operations-to-convert-time | EZ || O(1) TC || Beats ~83% | ashu_py22 | 0 | 15 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,873 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/1909232/Python-Greedy-Solution | class Solution:
def convertTime(self, current: str, correct: str) -> int:
def to_mins(t):
hh, mm = t.split(":")
return 60*int(hh)+int(mm)
s, t = to_mins(current), to_mins(correct)
d = t-s # difference
cnt = 0
for i in [60,15,5,1]:
... | minimum-number-of-operations-to-convert-time | [Python] Greedy Solution | nightybear | 0 | 21 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,874 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/1909114/Convert-to-Minutes | class Solution:
def convertTime(self, current: str, correct: str) -> int:
cur_h, cur_m = current.split(":")
cor_h, cor_m = correct.split(":")
# Get the differences in terms of minute
diff_time = (int(cor_h) * 60 + int(cor_m)) - (int(cur_h) * 60 + int(cur_m))
... | minimum-number-of-operations-to-convert-time | Convert to Minutes | M-Phuykong | 0 | 10 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,875 |
https://leetcode.com/problems/minimum-number-of-operations-to-convert-time/discuss/1908897/Convert-To-Minutes | class Solution:
def convertTime(self, current: str, correct: str) -> int:
count = 0
hour_start = int(current.split(":")[0])
hour_end = int(correct.split(":")[0])
minute_start = int(current.split(":")[1])
minute_end = int(correct.split(":")[1])
total_star... | minimum-number-of-operations-to-convert-time | Convert To Minutes | abhijeetmallick29 | 0 | 5 | minimum number of operations to convert time | 2,224 | 0.655 | Easy | 30,876 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/1908760/Python-Solution-with-Hashmap | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
winners, losers, table = [], [], {}
for winner, loser in matches:
# map[key] = map.get(key, 0) + change . This format ensures that KEY NOT FOUND error is always prevented.
# map.get(key, 0) re... | find-players-with-zero-or-one-losses | ⭐Python Solution with Hashmap | anCoderr | 22 | 1,200 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,877 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/1929484/5-Lines-Python-Solution-oror-99-Faster-oror-Memory-less-than-85 | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
winners=[x for (x,y) in matches]
losers=[y for (x,y) in matches]
perfect_winners=list(set(winners)-set(losers))
C=Counter(losers) ; one_lost=[loser for loser in C if C[loser]==1]
return [sorted(perf... | find-players-with-zero-or-one-losses | 5-Lines Python Solution || 99% Faster || Memory less than 85% | Taha-C | 1 | 85 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,878 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/2842661/Python-or-Easy-Solution-or-Hashmap-or-Loops-or-Sets | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
win = []
loss = []
hashmap = {}
occur = set()
for values in matches:
wins = values[0]
losss = values[1]
if wins not in hashmap:
... | find-players-with-zero-or-one-losses | Python | Easy Solution | Hashmap | Loops | Sets | atharva77 | 0 | 4 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,879 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/2820914/O(n)-Python3-with-Dict | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
counts = defaultdict(int)
for winner, loser in matches:
counts[winner] += 0
counts[loser] += 1
return [sorted(key for (key, value) in counts.items() if value == 0), sorted(key for (key... | find-players-with-zero-or-one-losses | O(n) Python3 with Dict | haly-leshchuk | 0 | 4 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,880 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/2802531/Log-games-played-and-games-won-with-hash-maps | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
# Consider two HashMaps g is #games and w is #wins
# if g[k] - w[k] =0. Then all games are won
# if g[k] - w[k] =1. Then all games are won except 1 game (ie. exactly 1 fail)
from collections import... | find-players-with-zero-or-one-losses | Log games played and games won with hash-maps | user5580aS | 0 | 1 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,881 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/2780126/Simple-Python-Solution-Using-2-Maps | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
answer = []
win_map, lose_map = {}, {}
for match in matches:
# add to win_map
if match[0] not in win_map:
win_map[match[0]] = 0
win_map[match[0]] += 1
... | find-players-with-zero-or-one-losses | Simple Python Solution Using 2 Maps | devashishnyati | 0 | 2 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,882 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/2698498/Python-hash-map-(dictionary)-O(n) | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
# create two empty dicts
players = {}
# we will now iterate over the matches
for match in matches:
winner = match[0]
loser = match[1]
if winner not in players:
... | find-players-with-zero-or-one-losses | Python, hash map (dictionary), O(n) | gal1993 | 0 | 3 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,883 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/2593038/Python-easy-solution | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
w=set()
l={}
for i in matches:
if i[1] in l:
l[i[1]] +=1
else:
l[i[1]] = 1
w.add(i[0])
w1 = [i for i in w if i not in l.keys()]
... | find-players-with-zero-or-one-losses | Python easy solution | anshsharma17 | 0 | 7 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,884 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/2403111/easy-python-solution | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
winner, loser = [], []
player_dict = {}
for match in matches :
if match[0] not in player_dict.keys() :
player_dict[match[0]] = {0 : 0, 1 : 0}
player_dict[match[0]... | find-players-with-zero-or-one-losses | easy python solution | sghorai | 0 | 29 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,885 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/2393487/Python3-Solution-with-using-hashmap | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
absolute = set()
other = collections.defaultdict(int)
for w, l in matches:
if other[w] == 0:
absolute.add(w)
if l in absolute:
abs... | find-players-with-zero-or-one-losses | [Python3] Solution with using hashmap | maosipov11 | 0 | 13 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,886 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/2099134/Python-modular-solution-with-graph | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
graph = self.build_graph(matches)
answer = []
zero_lost = sorted(self.find_n_lost(graph, 0))
one_lost = sorted(self.find_n_lost(graph, 1))
answer.append(zero_lost)
answer.append(one_lo... | find-players-with-zero-or-one-losses | Python modular solution with graph | Valens992 | 0 | 23 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,887 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/1961759/Python3-freq-table | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
freq = Counter()
for x, y in matches:
if x not in freq: freq[x] = 0
freq[y] += 1
return [sorted(k for k, v in freq.items() if v == 0), sorted(k for k, v in freq.items() if v == 1)] | find-players-with-zero-or-one-losses | [Python3] freq table | ye15 | 0 | 21 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,888 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/1941877/Easy-Python-solution-with-comments | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
# creating dictionary for winners and losers
mp_winners={}
mp_losers={}
# if player is a winner insert it into mp_winners
for i in range(len(matches)):
mp_winners[matches[... | find-players-with-zero-or-one-losses | Easy Python solution with comments | aparnajha17 | 0 | 57 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,889 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/1926960/Python-straightforward | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
lost = set(b for _, b in matches)
a0 = set(a for a, _ in matches if a not in lost)
oneLoss = defaultdict(int)
for a, b in matches:
oneLoss[b] += 1
a1 = set(k ... | find-players-with-zero-or-one-losses | Python straightforward | SmittyWerbenjagermanjensen | 0 | 30 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,890 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/1913715/Python-or-Dictionary-or-Simple-solution-or-Easy-to-Understand | class Solution(object):
def findWinners(self, matches):
"""
:type matches: List[List[int]]
:rtype: List[List[int]]
"""
d = {}
for i in range(len(matches)):
if matches[i][0] not in d:
d[matches[i][0]] = [1,0]
else:
... | find-players-with-zero-or-one-losses | Python | Dictionary | Simple solution | Easy to Understand | AkashHooda | 0 | 18 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,891 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/1911259/Python-dictionary | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
d=defaultdict(int)
a1=[]
a2=[]
for i in range(len(matches)):
if matches[i][0] not in d:
d[matches[i][0]] = 0
if matches[i][1] not in d:
d[matche... | find-players-with-zero-or-one-losses | Python dictionary | hugsypenguin | 0 | 11 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,892 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/1910007/Ez-oror-O(-n-log-n)-TC | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
dw=defaultdict(int) # Player's win count
dl=defaultdict(int) # Player's loss count
wli=[] # To store the players with atleast one win and 0 loss
lli=[] # To store the players with one loss
for... | find-players-with-zero-or-one-losses | Ez || O( n log n) TC | ashu_py22 | 0 | 9 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,893 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/1909721/Python-Count-the-indegree-of-nodes | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
indegree = collections.defaultdict(int)
nodeset = set()
# Find all nodes and calculate the indegree of each node
for v1, v2 in matches:
nodeset.add(v1)
nodeset.add(v2)... | find-players-with-zero-or-one-losses | [Python] Count the indegree of nodes | ianlai | 0 | 18 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,894 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/1909214/Python-Easy-Solution-with-HashMap | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
players = set()
lose = collections.defaultdict(list)
for idx, (w, l) in enumerate(matches):
players.add(w)
players.add(l)
lose[l].append(idx)
lose_one = []... | find-players-with-zero-or-one-losses | [Python] Easy Solution with HashMap | nightybear | 0 | 11 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,895 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/1909001/Simple-Python-Soln-With-Explaination | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
c = Counter()
for winner, loser in matches:
c[loser] += 1
c[winner] += 0 # We do this to insert winner in c.
ans = [[], []]
for player, lost in c.items():
... | find-players-with-zero-or-one-losses | Simple Python Soln With Explaination | mrunankmistry52 | 0 | 8 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,896 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/1908991/Simple-Python-3-or-Hashmap-or-Explanation-added | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
dic={} #losers dictionary
for i in range(len(matches)):
dic[matches[i][1]]=0
#Store number of matches lost
for i in range(len(matches)):
dic[matches[i][1]... | find-players-with-zero-or-one-losses | Simple Python 3 | Hashmap | Explanation added | user8795ay | 0 | 15 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,897 |
https://leetcode.com/problems/find-players-with-zero-or-one-losses/discuss/1908792/Python-or-Easy-Dict | class Solution:
def findWinners(self, matches: List[List[int]]) -> List[List[int]]:
lose_dict = defaultdict(list)
players = set()
answer = [[],[]]
for winner, loser in matches:
lose_dict[loser].append(winner)
players.add(winner)
players.ad... | find-players-with-zero-or-one-losses | Python | Easy Dict | Mikey98 | 0 | 24 | find players with zero or one losses | 2,225 | 0.686 | Medium | 30,898 |
https://leetcode.com/problems/maximum-candies-allocated-to-k-children/discuss/1912213/Easy-To-Understand-Python-Solution-(Binary-Search) | class Solution:
def maximumCandies(self, candies, k):
n = len(candies)
left = 1 # the least number of candy in each stack we can give to each student is one
right = max(candies) # the max number of candy in each stack that we can give to each student is the maximum number in the candies ar... | maximum-candies-allocated-to-k-children | Easy To Understand Python Solution (Binary Search) | danielkua | 2 | 87 | maximum candies allocated to k children | 2,226 | 0.361 | Medium | 30,899 |
Subsets and Splits
Top 2 Solutions by Upvotes
Identifies the top 2 highest upvoted Python solutions for each problem, providing insight into popular approaches.