joel/rust-sudoku-solver
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Add additional difficulty

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This commit is contained in:
Joel Therrien 2020-09-25 14:40:01 -07:00
parent b933f4c281
commit 98c8cfcd0d
1 changed files with 13 additions and 4 deletions
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17
src/bin/generator.rs
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@ -8,6 +8,7 @@ use std::str::FromStr;
#[derive(Clone)] // Needed for argparse
enum Difficulty {
Challenge,
Hard,
Medium,
Easy
@ -25,7 +26,10 @@ impl Difficulty {
};
match self {
Difficulty::Hard => {} // Do nothing, already hard
Difficulty::Challenge => {}, // Do nothing, already hard
Difficulty::Hard => {
controller.make_guesses = false;
}
Difficulty::Medium => {
controller.make_guesses = false;
},
@ -41,8 +45,11 @@ impl Difficulty {
fn meets_minimum_requirements(&self, solve_statistics: &SolveStatistics) -> bool {
match self {
Difficulty::Challenge => {
(solve_statistics.guesses > 0) && (solve_statistics.possibility_groups > 20) && (solve_statistics.useful_constraints > 20)
}
Difficulty::Hard => {
(solve_statistics.guesses > 0) && (solve_statistics.possibility_groups > 10) && (solve_statistics.useful_constraints > 10)
(solve_statistics.possibility_groups > 20) && (solve_statistics.useful_constraints > 20)
}
Difficulty::Medium => {
(solve_statistics.possibility_groups > 10) && (solve_statistics.useful_constraints > 10)
@ -63,6 +70,8 @@ impl FromStr for Difficulty { // Needed for argparse
return Ok(Difficulty::Medium);
} else if s.eq_ignore_ascii_case("HARD"){
return Ok(Difficulty::Hard);
} else if s.eq_ignore_ascii_case("CHALLENGE"){
return Ok(Difficulty::Challenge);
}
return Err(format!("{} is not a valid difficulty", s));
@ -78,7 +87,7 @@ fn main() {
let mut max_hints = 81;
let mut max_attempts = 100;
let mut filename : Option<String> = None;
let mut difficulty = Difficulty::Hard;
let mut difficulty = Difficulty::Challenge;
{ // this block limits scope of borrows by ap.refer() method
let mut ap = argparse::ArgumentParser::new();
@ -99,7 +108,7 @@ fn main() {
.add_argument("filename", argparse::StoreOption, "Optional filename to store puzzle in as a CSV");
ap.refer(&mut difficulty)
.add_option(&["-d", "--difficulty"], argparse::Store, "Max difficulty setting; values are EASY, MEDIUM, or HARD");
.add_option(&["-d", "--difficulty"], argparse::Store, "Max difficulty setting; values are EASY, MEDIUM, HARD, or CHALLENGE");
ap.parse_args_or_exit();
}