ad3_1.rs

use std::fs;
fn find_battery(battery_vec: Vec<i32>) -> i32 {
    let mut prev = battery_vec[0];
    let mut max_digit_first = battery_vec[0];
    let mut max_digit_second = battery_vec[1];
    for (ind, &digit) in battery_vec.iter().enumerate().skip(1) {
        // println!("{digit}, {ind}");
        if digit > max_digit_first {
            prev = max_digit_first;
            max_digit_first = digit;
            if let Some(&value) = battery_vec.get(ind + 1) {
                max_digit_second = value;
            } else {
                // println!("HERE!{}{}", prev, max_digit_first);
                return format!("{}{}", prev, max_digit_first).parse().unwrap();
            }
        } else if digit > max_digit_second {
            max_digit_second = digit;
        }
    }
    // println!("{}{}", max_digit_first, max_digit_second);
    return format!("{}{}", max_digit_first, max_digit_second).parse().unwrap();
}
fn get_all_batteries(lines: Vec<&str>) -> i32 {
    let mut answer = 0;
    for line in lines {
        answer += find_battery(line.chars().map(|c| c.to_digit(10).unwrap() as i32).collect());
        }
    return answer;
    }

fn main() {
    let file_path_test = "C:\\Users\\iuliia.bubis\\Documents\\MobaXterm\\home\\advent_of_code\\task3_test.txt";
    let file_path_task = "C:\\Users\\iuliia.bubis\\Documents\\MobaXterm\\home\\advent_of_code\\task3.txt";
    
    let task_test_str = fs::read_to_string(file_path_test)
    .expect("Read the file error?");
    let task_test: Vec<&str> = task_test_str.lines().collect();
    println!("Read the file {:?}", task_test);
    let task_task_str = fs::read_to_string(file_path_task)
    .expect("Read the file error?");
    let task_task: Vec<&str> = task_task_str.lines().collect();
    
    // println!("In the file:\n{task}");
    let test1: Vec<i32> = "0123456789".chars().map(|c| c.to_digit(10).unwrap() as i32).collect();
    println!("Test 1 {:?}", test1);
    println!("The answer is: {}", find_battery(test1));
    // let test2: Vec<&str> = "12121212-12121223".split(',').collect();
    // let test3: Vec<&str> = "L50".lines().collect();
    // let test4: Vec<&str> = "L150".lines().collect();
    // println!("Test 1 {:?} : {}", test1, check_id_lists(test1.clone()));
    // println!("Test 2 {:?} The answer is: {}",test2, check_id_lists(test2.clone()));    
    // println!("Test 3 {:?} The answer is: {}", test3, calculate_zeros(test3.clone(), 50, 100));
    // println!("Test 4 Test 4 {:?} The answer is: {}", test4, calculate_zeros(test4.clone(), 50, 100));
    println!("The answer is: {}", get_all_batteries(task_test));
    println!("The answer is: {}", get_all_batteries(task_task));
}