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46 changes: 46 additions & 0 deletions Vec<u32>
Original file line number Diff line number Diff line change
@@ -0,0 +1,46 @@
fn count_permutation(shipments: &Vec<u32>) -> usize {
let n = shipments.len();
let total: u32 = shipments.iter().sum();

// Перевірка, чи можна рівномірно розподілити вантаж
if total as usize % n != 0 {
panic!("Неможливо розподілити вантаж рівномірно.");
}

let avg = total / n as u32;
let mut imbalance = 0;

// Рахуємо кількість переміщень вантажу
for &shipment in shipments {
if shipment > avg {
imbalance += shipment - avg;
}
}

imbalance as usize
}

use rand::Rng;

fn gen_shipments(n: usize) -> Vec<u32> {
let mut rng = rand::thread_rng();
let avg_load = rng.gen_range(10..50); // Випадкове середнє значення
let mut shipments: Vec<u32> = (0..n).map(|_| rng.gen_range(avg_load - 5..avg_load + 5)).collect();

// Коригуємо загальну суму, щоб вона ділилася на кількість кораблів
let total: u32 = shipments.iter().sum();
let remainder = total % n as u32;

if remainder != 0 {
shipments[0] += n as u32 - remainder;
}

shipments
}

fn main() {
let shipments = gen_shipments(5);
println!("Shipments: {:?}", shipments);
let moves = count_permutation(&shipments);
println!("Minimum moves: {}", moves);
}