ad2_1.rs

use std::fs;
fn check_id(num: i64)-> i64 {
    let s: String = num.to_string();
    if s.len() % 2 == 0 {
        let first_half = &s[..s.len()/2];
        let second_half = &s[s.len()/2..];
        if first_half == second_half {
            return num;}
        else {return 0; }}
    else{return 0;}   
    }
fn check_id_lists(lines:Vec<&str>) -> i64 {
    let mut answer = 0;
    for line in lines {
        let start = line.split('-').nth(0).unwrap().trim().parse::<i64>().unwrap();
        let end = line.split('-').last().unwrap().trim().parse::<i64>().unwrap();
        for i in start..=end {
            answer += check_id(i);
        }
    }
    return answer;
}

fn main() {
    let file_path_test = "C:\\Users\\iuliia.bubis\\Documents\\MobaXterm\\home\\advent_of_code\\task2_test.txt";
    let file_path_task = "C:\\Users\\iuliia.bubis\\Documents\\MobaXterm\\home\\advent_of_code\\task2.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.split(',').map(|s| s.trim()).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.split(',').map(|s| s.trim()).collect();
    
    // println!("In the file:\n{task}");
    let test1: Vec<&str> = "11-22,33-35".split(',').collect();
    // let test2: Vec<&str> = "R150\nL18\nR118".lines().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, calculate_zeros(test2.clone(), 50, 100));    
    // 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: {}", check_id_lists(task_test));
    println!("The answer is: {}", check_id_lists(task_task));
}