Submission #2544827

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Source Code Expand

struct Place {
    t: i32,
    x: i32,
    y: i32
}

impl Place {
    fn from_vec(vec: Vec<&str>) -> Place{
        Place {
            t: vec[0].parse::<i32>().unwrap(),
            x: vec[1].parse::<i32>().unwrap(),
            y: vec[2].parse::<i32>().unwrap()
        }
    }
}

fn c_can_move(place:&Place, goal:&Place) -> bool {
    let dt = place.t - goal.t; 
    let dx = place.x - goal.x; 
    let dy = place.y - goal.y;
    if ( ( dt.abs() - dx.abs() - dy.abs() ) % 2 == 0 )  && ( dt.abs() > dx.abs() + dy.abs() ) {
        true
    } else {
        false
    }
}

fn c() {
    let mut can_traveling = true;
    let mut line = String::new();
    let _ = std::io::stdin().read_line(&mut line);
    let n = line.trim().parse::<i32>().unwrap();
    let mut place = Place{ t: 0, x: 0, y: 0 };
    for _ in 0..n {
        line = String::new();
        let _ = std::io::stdin().read_line(&mut line);
        let vec: Vec<&str> = line.split_whitespace().collect();
        let goal = Place::from_vec(vec);
        if c_can_move(&place, &goal) {
            place = goal;
        } else {
            can_traveling = false;
            break;
        }
    }
    if can_traveling {
        print!("Yes");
    } else {
        print!("No");
    }
}

fn main() {
    c();
}

Submission Info

Judge Result