Use atcoder lib (#72)

* start of list of other algs

* add string arrays

* add mod int

* add another one

* remove dsu tests

* add more

* different wording

---------

Co-authored-by: Luke Videckis <lukevideckis@gmail.com>

Author: lrvideckis

Cargo.toml

@@ -15,14 +15,6 @@ ac-library-rs = "0.1.1"
 name = "binary_trie"
 path = "examples/data_structures/binary_trie.rs"
 
-[[example]]
-name = "dsu_aizu"
-path = "examples/data_structures/dsu_aizu.rs"
-
-[[example]]
-name = "dsu_yosupo"
-path = "examples/data_structures/dsu_yosupo.rs"
-
 [[example]]
 name = "fenwick_aizu"
 path = "examples/data_structures/fenwick_aizu.rs"

examples/data_structures/dsu_aizu.rs

@@ -0,0 +1,9 @@
+## Better implementations than we could write
+
+- [dsu](https://github.com/rust-lang-ja/ac-library-rs/blob/master/src/dsu.rs)
+- [suffix, lcp, z arrays](https://github.com/rust-lang-ja/ac-library-rs/blob/master/src/string.rs)
+- [mod int](https://github.com/rust-lang-ja/ac-library-rs/blob/master/src/modint.rs)
+- [barrett multiplication, primitive root](https://github.com/rust-lang-ja/ac-library-rs/blob/master/src/internal_math.rs)
+- [NTT](https://github.com/rust-lang-ja/ac-library-rs/blob/master/src/convolution.rs)
+- [max flow](https://github.com/rust-lang-ja/ac-library-rs/blob/master/src/maxflow.rs)
+- [min cost max flow](https://github.com/rust-lang-ja/ac-library-rs/blob/master/src/mincostflow.rs)

examples/data_structures/dsu_yosupo.rs

@@ -1,6 +1,5 @@
 //! # Data Structures
 pub mod binary_trie;
-pub mod dsu;
 pub mod fenwick;
 pub mod lazy_seg_tree;
 pub mod rmq;