Submission #1606234

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Source Code Expand

use std::io;

fn read_a_vec() -> Vec<u32> {
    let mut input = String::new();
    io::stdin().read_line(&mut input).unwrap();
    input.trim().split(" ").map(|s| s.parse::<u32>().unwrap()).collect::<_>()
}
fn solve<'a>(arg1: u32, arg2: u32) -> (&'a str, u32) {
    let power = match (arg2 as f64 / 6.0f64).round() as u32 {
        0...2 => 0,
        3...15 => 1,
        16...33 => 2,
        34...54 => 3,
        55...79 => 4,
        80...107 => 5,
        108...138 => 6,
        139...171 => 7,
        172...207 => 8,
        208...244 => 9,
        245...284 => 10,
        285...326 => 11,
        _ => 12,
    };
    let dir = if power == 0 {
        "C"
    } else {
        match arg1 * 10 {
            1125...3374 => "NNE",
            3375...5624 => "NE",
            5625...7874 => "ENE",
            7875...10124 => "E",
            10125...12374 => "ESE",
            12375...14624 => "SE",
            14625...16874 => "SSE",
            16875...19124 => "S",
            19125...21374 => "SSW",
            21375...23624 => "SW",
            23625...25874 => "WSW",
            25875...28124 => "W",
            28125...30374 => "WNW",
            30375...32624 => "NW",
            32625...34874 => "NNW",
            _ => "N",
        }
    };
    (dir, power)
}
fn main() {
    let vec = read_a_vec();
    let (deg, dis) = (vec[0], vec[1]);
    let (dir, w) = solve(deg, dis);
    println!("{} {}", dir, w);
}

#[test]
fn sample() {
    assert_eq!(solve(2750, 628), ("W", 5));
    assert_eq!(solve(16, 8), ("C", 0));
    assert_eq!(solve(3263, 15), ("NNW", 1));
    assert_eq!(solve(1462, 1959), ("SE", 12));
    assert_eq!(solve(1687, 1029), ("SSE", 8));
    assert_eq!(solve(2587, 644), ("WSW", 5));
    assert_eq!(solve(113, 201), ("NNE", 3));
    assert_eq!(solve(2048, 16), ("SSW", 1));
}
#[test]
fn original() {
    assert_eq!(solve(337, 16), ("NNE", 1));
    assert_eq!(solve(562, 300), ("NE", 3));
    assert_eq!(solve(3500, 198), ("N", 2));
    assert_eq!(solve(3500, 1026), ("N", 7));
    assert_eq!(solve(1100, 1242), ("ESE", 8));
    assert_eq!(solve(1100, 12), ("C", 0));
    assert_eq!(solve(3599, 11999), ("N", 12));
    assert_eq!(solve(0, 0), ("C", 0));
    assert_eq!(solve(2140, 1248), ("SW", 9));
    assert_eq!(solve(350, 12), ("C", 0));
    assert_eq!(solve(3487, 1027), ("NNW", 7));
    assert_eq!(solve(1012, 1245), ("E", 9));
}

Submission Info

Judge Result