【文件属性】：
文件名称：leetcode打不开-leetcode:leetcode
文件大小：30KB
文件格式：ZIP
更新时间：2021-06-30 02:14:21
系统开源
leetcode打不开Leetcode
Note
Tips
Tip1:
Two
pointer
for
sorted
array
(#Array
1.
Two
Sum)
Tip2:
Sum[i:j]
=
Sum[0:j]
-
Sum[0:i]
for
continuous
array
(#
Array
560.
Subarray
Sum
Equals
K)
Tip3:
Knapsack
Problem
(0/1,
unbounded)
(#DP
322.
Coin
Change)
Tip4:
backtrace
or
K
sum
remove
duplicates
if
i
!=
0
and
n
==
nums[i-1]:
(#15.
3Sum)
if
idx
>
start
and
nums[idx]
==
nums[idx-1]:
continue
(#40.
Combination
Sum
II)
Tip5:
鸽笼原理要记得，如果题目说要constant
extra
space，八成就是用input
array
+
swap(#41.
First
Missing
Positive
【文件预览】：
leetcode-master
----README.md(109KB)
----.gitattributes(66B)