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// use std::io::{self, BufRead};
use std::time::Instant;
mod graph;
use crate::graph::Graph;
mod theorems;
use crate::theorems::{basic, forbidden, toughness};
mod geng;
use crate::geng::GengIterator;
struct Counters {
graphs: i32,
tough_1: i32,
tough_2: i32,
bch_hamiltonian: i32,
t15_hamiltonian: i32,
t25_hamiltonian: i32,
dirac_hamiltonian: i32,
ore_hamiltonian: i32,
posa_hamiltonian: i32,
t3_1: i32,
t3_2: i32,
c3_5: i32,
t85: i32,
t86: i32,
t87: i32,
t88: i32,
t96: i32,
conj17: i32,
all_2c: i32,
}
impl Counters {
fn new() -> Counters {
return Counters {
graphs: 0,
tough_1: 0,
tough_2: 0,
bch_hamiltonian: 0,
t15_hamiltonian: 0,
t25_hamiltonian: 0,
dirac_hamiltonian: 0,
ore_hamiltonian: 0,
posa_hamiltonian: 0,
t3_1: 0,
t3_2: 0,
c3_5: 0,
t85: 0,
t86: 0,
t87: 0,
t88: 0,
t96: 0,
conj17: 0,
all_2c: 0,
};
}
}
fn main() {
let gi = GengIterator::new(4);
let mut time = 0;
let mut counters = Counters::new();
for g in &gi {
counters.graphs += 1;
let line = g.to_g6();
let start = Instant::now();
let closure = g.get_closure();
let is_complete = closure.is_complete();
let toughness = if g.is_complete() {
f64::MAX
} else {
g.get_toughness()
};
if toughness >= 1.0 {
counters.tough_1 += 1;
}
if toughness >= 2.0 {
counters.tough_2 += 1;
}
let min_degree = g.min_degree() as f64;
if forbidden::theorem3_1(&g) {
counters.t3_1 += 1;
println!("g6:t3_1:{}", line);
}
if forbidden::theorem3_2(&g) {
counters.t3_2 += 1;
println!("g6:t3_2:{}", line);
}
if forbidden::corollary3_5(&g) {
counters.c3_5 += 1;
println!("g6:c3_5:{}", line);
}
if forbidden::theorem85(&g) {
counters.t85 += 1;
println!("g6:t85:{}", line);
}
if forbidden::theorem86(&g) {
counters.t86 += 1;
println!("g6:t86:{}", line);
}
if forbidden::theorem87(&g) {
counters.t87 += 1;
println!("g6:t87:{}", line);
}
if forbidden::theorem88(&g) {
counters.t88 += 1;
println!("g6:t88:{}", line);
}
if forbidden::theorem96(&g) {
counters.t96 += 1;
println!("g6:t96:{}", line);
}
if forbidden::conjecture17(&g) {
counters.conj17 += 1;
println!("g6:conj17:{}", line);
}
if forbidden::theorem_all_2con(&g) {
counters.all_2c += 1;
println!("g6:all_2c:{}", line);
}
if toughness::theorem15(&g, toughness, min_degree) {
counters.t15_hamiltonian += 1;
println!("g6:bigalke-jung:{}", line);
}
if toughness::theorem25(&g, toughness, min_degree) {
counters.t25_hamiltonian += 1;
println!("g6:bauer:{}", line);
}
if basic::dirac_theorem(&g) {
counters.dirac_hamiltonian += 1;
println!("g6:dirac:{}", line);
}
if basic::ore_theorem(&g) {
counters.ore_hamiltonian += 1;
println!("g6:ore:{}", line);
}
if basic::posa_theorem(&g) {
counters.posa_hamiltonian += 1;
println!("g6:posa:{}", line);
}
if is_complete {
counters.bch_hamiltonian += 1;
println!("g6:bondy-chvatal:{}", line);
}
if is_complete && false {
println!("Graph: {line}\n{g}");
let components_count = g.count_components();
println!("Components count: {components_count}");
let min_degree = g.min_degree();
println!("Minimal degree: {min_degree}");
let cutset = g.max_independent_cutset();
println!("Maximal independent cutset:\n{}", cutset.graph);
println!("Included vertices: {:?}", cutset.vertices);
println!("Cutset cardinality: {}", cutset.cardinality);
let cycle = basic::bondy_chvatal_hamiltonian_cycle(&g);
print!("Hamiltonian cycle: ");
let start = 0;
let mut current = start;
loop {
print!("{}", current + 1);
print!(" -> ");
current = cycle[current];
if current == start {
println!("{}", current + 1);
break;
}
}
}
let elapsed = start.elapsed();
time += elapsed.as_nanos();
}
println!("Total count of graphs: {}", counters.graphs);
println!("Count of 1-tough graphs: {}", counters.tough_1);
println!("Count of 2-tough graphs: {}", counters.tough_2);
println!(
"Count of Dirac's Hamiltonian graphs: {}",
counters.dirac_hamiltonian
);
println!(
"Count of Ore's Hamiltonian graphs: {}",
counters.ore_hamiltonian
);
println!(
"Count of Posa's Hamiltonian graphs: {}",
counters.posa_hamiltonian
);
println!(
"Count of Bondy-Chvatal Hamiltonian graphs: {}",
counters.bch_hamiltonian
);
println!(
"Count of Theorem 15 Hamiltonian graphs: {}",
counters.t15_hamiltonian
);
println!(
"Count of Theorem 25 Hamiltonian graphs: {}",
counters.t25_hamiltonian
);
println!("Time elapsed: {}s", time as f64 / 1e9);
}
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