ad1_1.rs

use std::fs;
fn main() {
    let file_path = "C:\\Users\\iuliia.bubis\\Documents\\MobaXterm\\home\\advent_of_code\\task1.txt";
    println!("Read the file {}", file_path);
    let task = fs::read_to_string(file_path)
        .expect("REad the file error?");
    let lines: Vec<&str> = task.lines().collect();
    // println!("In the file:\n{task}");
    let mut current = 50;  
    let mut answer = 0;
    for line in lines {
        let direction = line.chars().nth(0);
        let sign: i32;
        if direction == Some('L'){
            sign = -1;}
        else{
            sign = 1;
        }
        let turn: i32 = line[1..].trim().parse().unwrap();
        current += sign * turn;
        current = current % 100;
        if current == 0 {
            answer += 1;
        }
    }
    println!("The answer is: {answer}");
}