CookieJar is a small collection of common algorithms, data structures and library extensions that were deemed handy for computing competitions at one point or another.
This toolbox is a work in progress for the time being. It may be lacking, and it may change drastically between commits (although every effort is made not to). You're welcome to use it, but it's your head on the line :)
To get the package, execute:
go get gopkg.in/karalabe/cookiejar.v2
To import this package, add the following line to your code:
import "gopkg.in/karalabe/cookiejar.v2"
For more details, see the package documentation.
Algorithms:
Data structures:
Extensions:
- fmt
ScanandFscanforint,float64,stringand lines
- math
AbsforintMinandMaxforint,big.Intandbig.RatSignforintandfloat64
- os
OpenandCreatewithout error codes
- sort
SortandSearchforbig.Intandbig.RatUniquefor anysort.Interface
Below are the performance results for the data structures and the complexity analysis for the algorithms.
Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz:
- bag
- BenchmarkInsert 309 ns/op
- BenchmarkRemove 197 ns/op
- BenchmarkDo 28.1 ns/op
- deque
- BenchmarkPush 25.4 ns/op
- BenchmarkPop 6.72 ns/op
- prque
- BenchmarkPush 171 ns/op
- BenchmarkPop 947 ns/op
- queue
- BenchmarkPush 23.0 ns/op
- BenchmarkPop 5.92 ns/op
- set
- BenchmarkInsert 259 ns/op
- BenchmarkRemove 115 ns/op
- BenchmarkDo 20.9 ns/op
- stack
- BenchmarkPush 16.4 ns/op
- BenchmarkPop 6.45 ns/op
| Algorithm | Time complexity | Space complexity |
|---|---|---|
| graph/bfs | O(E) | O(V) |
| graph/dfs | O(E) | O(E) |
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