Posts by Tag

c++

Implement topological sort

1 minute read

Problem There are n nodes and the are labelled from 0 to n - 1. Some nodes may have directed linkage, for example, if links[i] = [ai, bi] this means ai is po...

Rotate 2D square array

1 minute read

Problem Rotate 2D n by n array to 90 degree clockwise and 90 degree anti-clockwise in-place.

About const

1 minute read

I sometimes fucked up with const in the past. It is better for me to summarize these fucking things.

How to write a thread pool

2 minute read

Clarification a. We can specify number of threads in the pool b. We can enqueue tasks (For simplicity, task takes no argument and returns an integer) into th...

Back to Top ↑

thread

How to write a thread pool

2 minute read

Clarification a. We can specify number of threads in the pool b. We can enqueue tasks (For simplicity, task takes no argument and returns an integer) into th...

Back to Top ↑

welcome

Back to Top ↑

bit operation

Back to Top ↑

language

About const

1 minute read

I sometimes fucked up with const in the past. It is better for me to summarize these fucking things.

Back to Top ↑

array

Rotate 2D square array

1 minute read

Problem Rotate 2D n by n array to 90 degree clockwise and 90 degree anti-clockwise in-place.

Back to Top ↑

graph

Implement topological sort

1 minute read

Problem There are n nodes and the are labelled from 0 to n - 1. Some nodes may have directed linkage, for example, if links[i] = [ai, bi] this means ai is po...

Back to Top ↑