Initial commit
This commit is contained in:
commit
d12c69200b
4 changed files with 356 additions and 0 deletions
1
.gitignore
vendored
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1
.gitignore
vendored
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/target
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140
Cargo.lock
generated
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140
Cargo.lock
generated
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@ -0,0 +1,140 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 4
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[[package]]
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||||||
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name = "byteorder"
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version = "1.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
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[[package]]
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name = "card-calculator"
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version = "0.1.0"
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dependencies = [
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"rand",
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]
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[[package]]
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name = "cfg-if"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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[[package]]
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name = "getrandom"
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version = "0.2.15"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
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dependencies = [
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"cfg-if",
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"libc",
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"wasi",
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]
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[[package]]
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name = "libc"
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version = "0.2.169"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b5aba8db14291edd000dfcc4d620c7ebfb122c613afb886ca8803fa4e128a20a"
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[[package]]
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name = "ppv-lite86"
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version = "0.2.20"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04"
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dependencies = [
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"zerocopy",
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]
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[[package]]
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name = "proc-macro2"
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version = "1.0.92"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "37d3544b3f2748c54e147655edb5025752e2303145b5aefb3c3ea2c78b973bb0"
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dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "quote"
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version = "1.0.38"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0e4dccaaaf89514f546c693ddc140f729f958c247918a13380cccc6078391acc"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "rand"
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version = "0.8.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
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dependencies = [
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"libc",
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"rand_chacha",
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"rand_core",
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]
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[[package]]
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name = "rand_chacha"
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version = "0.3.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
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dependencies = [
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"ppv-lite86",
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"rand_core",
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]
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[[package]]
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name = "rand_core"
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version = "0.6.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
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dependencies = [
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"getrandom",
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]
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[[package]]
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name = "syn"
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version = "2.0.93"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9c786062daee0d6db1132800e623df74274a0a87322d8e183338e01b3d98d058"
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|
dependencies = [
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"proc-macro2",
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"quote",
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"unicode-ident",
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]
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[[package]]
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name = "unicode-ident"
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version = "1.0.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83"
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[[package]]
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name = "wasi"
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version = "0.11.0+wasi-snapshot-preview1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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|
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
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[[package]]
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name = "zerocopy"
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version = "0.7.35"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
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dependencies = [
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"byteorder",
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"zerocopy-derive",
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]
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[[package]]
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name = "zerocopy-derive"
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version = "0.7.35"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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|
checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
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|
dependencies = [
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|
"proc-macro2",
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"quote",
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"syn",
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]
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7
Cargo.toml
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7
Cargo.toml
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@ -0,0 +1,7 @@
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[package]
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name = "card-calculator"
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version = "0.1.0"
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edition = "2021"
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[dependencies]
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rand = "0.8.5"
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208
src/main.rs
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208
src/main.rs
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@ -0,0 +1,208 @@
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use std::collections::HashSet;
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use rand::seq::SliceRandom;
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#[derive(Clone, Copy, Hash, PartialEq, Eq)]
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struct Card {
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color: Color,
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value: u8,
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}
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impl std::fmt::Debug for Card {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(f, "{}{}", self.color.get_symbol(), self.value)
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}
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}
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impl Card {
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fn new(color: Color, value: u8) -> Self {
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Self { color, value }
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}
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fn cost(&self) -> u8 {
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match self.color {
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Color::Spades => {
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if self.value == 5 {
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4
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} else {
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0
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}
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}
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Color::Hearts => 1,
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_ => 0,
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}
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}
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}
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#[derive(Clone, Copy, PartialEq, Eq, Hash)]
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enum Color {
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Clubs,
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Spades,
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Hearts,
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Diamonds,
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}
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impl Color {
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fn get_symbol(&self) -> char {
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match self {
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Color::Clubs => '♣',
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Color::Spades => '♠',
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Color::Hearts => '♥',
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Color::Diamonds => '♦',
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}
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}
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}
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#[derive(Debug)]
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enum Knowledge {
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Full(Vec<Card>),
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Partial([bool; 4]),
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}
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fn solve(
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current: usize,
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knowledge: &[Knowledge],
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unseen: &[Card],
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stack: &mut Vec<Card>,
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remaining: usize,
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played: &mut HashSet<Card>,
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) -> Option<(Option<Card>, Vec<f64>)> {
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let num_player = knowledge.len();
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if remaining == 0 {
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Some((None, vec![0.0; num_player]))
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} else if stack.len() == num_player {
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let first_card = stack.first().unwrap();
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let winning_card = stack
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.iter()
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.enumerate()
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.max_by_key(|g| {
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if g.1.color == first_card.color {
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g.1.value
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} else {
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0
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}
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})
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.unwrap();
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let winning_player = (current + winning_card.0) % num_player;
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let cost = stack.iter().map(|c| c.cost()).sum::<u8>();
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let mut new_stack = Vec::new();
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if let Some(mut s) = solve(
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winning_player,
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knowledge,
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unseen,
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&mut new_stack,
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remaining - 1,
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played,
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) {
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s.1[winning_player] += cost as f64;
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Some(s)
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} else {
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None
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}
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} else {
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match &knowledge[current] {
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Knowledge::Full(cards) => {
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if let Some(f) = stack
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.first()
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.copied()
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.filter(|&f| cards.iter().any(|&c| f.color == c.color))
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{
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let mut min: Option<(Option<Card>, Vec<f64>)> = None;
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for &c in cards.iter().filter(|&&c| c.color == f.color) {
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if !played.contains(&c) {
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stack.push(c);
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played.insert(c);
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if let Some(m) = solve(
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(current + 1) % num_player,
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knowledge,
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unseen,
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stack,
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remaining,
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played,
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) {
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if let Some(min) = &mut min {
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if m.1[current] < min.1[current] {
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*min = (Some(c), m.1);
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}
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} else {
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min = Some((Some(c), m.1));
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}
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}
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stack.pop();
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played.remove(&c);
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}
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}
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min
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} else {
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let mut min: Option<(Option<Card>, Vec<f64>)> = None;
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for &c in cards {
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if !played.contains(&c) {
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stack.push(c);
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played.insert(c);
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if let Some(m) = solve(
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|
(current + 1) % num_player,
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knowledge,
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|
unseen,
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|
stack,
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|
remaining,
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played,
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) {
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|
if let Some(min) = &mut min {
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|
if m.1[current] < min.1[current] {
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|
*min = (Some(c), m.1);
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|
}
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||||||
|
} else {
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|
min = Some((Some(c), m.1));
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|
}
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||||||
|
}
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|
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||||||
|
stack.pop();
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|
played.remove(&c);
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|
}
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||||||
|
}
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|
min
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|
}
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||||||
|
}
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|
Knowledge::Partial(_) => todo!(),
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|
}
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}
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}
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|
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fn main() {
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let mut full_deck = (1..=8)
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|
.flat_map(|u| {
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|
[
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|
Card::new(Color::Clubs, u),
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|
Card::new(Color::Spades, u),
|
||||||
|
Card::new(Color::Hearts, u),
|
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|
Card::new(Color::Diamonds, u),
|
||||||
|
]
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||||||
|
.into_iter()
|
||||||
|
})
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|
.collect::<Vec<_>>();
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||||||
|
|
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|
let mut rng = rand::thread_rng();
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|
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|
full_deck.shuffle(&mut rng);
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|
|
||||||
|
let knowledge = [
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|
Knowledge::Full(full_deck[0..10].to_vec()),
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|
Knowledge::Full(full_deck[10..20].to_vec()),
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|
Knowledge::Full(full_deck[20..30].to_vec()),
|
||||||
|
];
|
||||||
|
|
||||||
|
dbg!(&knowledge);
|
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|
|
||||||
|
let unseen = [];
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|
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||||||
|
let mut stack = Vec::new();
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|
let mut played = HashSet::new();
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|
|
||||||
|
dbg!(solve(0, &knowledge, &unseen, &mut stack, 5, &mut played));
|
||||||
|
}
|
||||||
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