[刷题]磕盐外日常刷题记录

4/16 捞一把自己的帖子...
occurrence after bigram
print in order
num of lines to write string
play with chips
toeplitz matrix
number of complement
complement of base 10 int
count largest group
island perimeter
transpose matrix

4/18 感觉自己刷题进入倦怠期了 哎哎哎哎哎哎 好烦呐

baseball game
last stone weight
next greater element
letter case permutation
invert binary tree
uncommon word
trim a binary search tree
number of 1 bits
Prime Number of Set Bits in Binary Representation
goat latin

4/21 最近老板push的紧 超影响刷题进度的...
IP to CIDR
average of levels in binary tree
Binary Tree Level Order Traversal
Binary Tree Level Order Traversal II
min depth of binary tree
N-ary Tree Level Order Traversal
N-ary preorder traversal
N-ary postorder traversal
sum of even number of queries

4/22 下摆好虚...
similar RGB color
shift 2d grid
distribute candies
max num of ballons
length of last word
reorganize string

4/24
remove vowels from string
defanging an ip address
num step to reduce a num to 0
jewels and stones
Decompress Run-Length Encoded List
How Many Numbers Are Smaller Than the Current Number
subtract product and sum of integer
single-row keyboard
split string in balanced strings
create target array in given order
convert binary num in linked list to Int
single number II
single number III
find anagram mappings
min time visiting all points
to lower case

4/26 又要刷题又要搞科研 每天都感觉睡不够...不想做饭...炒了一大盆麻辣香锅...准备吃三天......
high five
Cells with Odd Values in a Matrix
Replace elm with greatest elm on rhs
max 69 num
armstrong num
ct negative num in sorted matrix
remove outermost parenthesis
Count Substrings w One Distinct Letter
string from alphabet to int mapping
find n unique int sum up to 0
generate sting with odd char counts
increasing decreasing string
traffic light controlled intersection
flipping an image

4/26 刷题小结:
刷题快接近一个月了, 感觉有一丢丢上手了... 基本上easy的题都能AC 但是常常跑的比较慢 看别人的解法总有种恍然大悟的感觉
基本功还是不扎实 一边刷题一边学习还是不太系统 常常会出现一个方程自己写的半死 最后发现在系统library里已经有了的情况 (捂脸)
虽说最初设立的目标是一天刷7~8题 但实际操作起来常常会出现一天一道题都没刷的情况... (头痛,科研,懒怠,etc.)
预估刷到4月底应该能到180题左右 也还算马马虎虎吧... 难得我这么三分钟热度的人也能坚持这么久了(此处应有掌声 hiahiahia)

4/29 不知道说啥好...好困
Sum of Digits in the Minimum Number
sort array by parity
self dividing numbers
perfect number
N-repeated elem in 2N array
robot return to origin
nested list weight sum
employee importance
nested list weight sum II

4/30-5/1 又囤了一波食物 冰箱要塞不下了
lucky number in a matrix
DI string
min subsequence in non-Increase order
hamming distance
total hamming distance
array partition I
sort array by parity ||
peak index in a mountain array
find peak element
find in mountain array
number  of recent calls
unique number of occurrence
search in a bst
delete columns to make sorted
height checker
moving avg from data stream

5/2 😔今日份的不想刷题: 不在状态中 咋整啊
logger rate limiter
Sort Integers by The Number of 1 Bits
reverse words in a string III
increasing order search tree
distance value between two arrays
Find Positive Int sol for a given Equation
k weakest rows in a matrix
how many apples to put in a basket