Leetcode Day 43 - Graph Theory Basic

Monotone stack

Diff	Problem	Python	Java
	121 Best Time to Buy and Sell Stock
	19 Remove Nth Node From End of List
	160 Intersection of Two Linked Lists
	142 Linked List Cycle II

the link

Best Time to Buy and Sell Stock

Link to Leetcode question[^abc]

Solution

A detailed explaination of solution can be found here¹.

<2nd problem>

Link to Leetcode question[^rnnfeol]

Solution

A detailed explaination of solution can be found here¹.

<3rd problem>

Link to Leetcode question[^rnnfeol]

Solution

A detailed explaination of solution can be found here¹.

<4th problem>

Link to Leetcode question[^rnnfeol]

Solution

A detailed explaination of solution can be found here¹.

Reference

1. 代码随想录- ↩︎ ↩︎² ↩︎³ ↩︎⁴