Submission #1261384

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Source Code Expand

use std::io;

fn main() {
    let mut input = String::new();
    io::stdin().read_line(&mut input);
    let input: Vec<_> = input.split_whitespace().collect();

    let deg = input[0].parse::<f32>().unwrap();
    let dis = input[1].parse::<f32>().unwrap();

    let vel = (dis / 60f32 * 10.0).round() / 10.0;
    let w: i32 = match vel {
        0.0...0.2 => 0,
        0.3...1.5 => 1,
        1.0...3.3 => 2,
        3.4...5.4 => 3,
        5.5...7.9 => 4,
        8.0...10.7 => 5,
        10.8...13.8 => 6,
        13.9...17.1 => 7,
        17.2...20.7 => 8,
        20.8...24.4 => 9,
        24.5...28.4 => 10,
        28.5...32.6 => 11,
        _ => 12
    };

    let mut dir = match deg {
         112.5... 337.5 => "NNE",
         337.5... 562.5 => "NE",
         562.5... 787.5 => "ENE",
         787.5...1012.5 => "E",
        1012.5...1237.5 => "ESE",
        1237.5...1462.5 => "SE",
        1462.5...1687.5 => "SSE",
        1687.5...1912.5 => "S",
        1912.5...2137.5 => "SSW",
        2137.5...2362.5 => "SW",
        2362.5...2587.5 => "WSW",
        2587.5...2812.5 => "W",
        2812.5...3037.5 => "WNW",
        3037.5...3262.5 => "NW",
        3262.5...3487.5 => "NNW",
        _ => "N"
    };
    if w == 0 {
        dir = "C"
    }

    println!("{} {}", dir, w);
}

Submission Info

Compile Error

warning: unused result which must be used, #[warn(unused_must_use)] on by default
 --> ./Main.rs:6:5
  |
6 |     io::stdin().read_line(&mut input);
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Judge Result