提出 #60300376

---

ソースコード 拡げる

#[allow(unused_imports)]
use proconio::{input, marker::Chars};

fn main() {
    input!{
        n: usize,
        d: usize,
        s: Chars,
    }

    let count = s.iter().filter(|&c| *c == '.').count();
    println!("{}", count + d);
}
pub trait Debuggable {
    fn debug_string(&self) -> String;
}

impl<T: std::fmt::Debug + std::fmt::Display> Debuggable for Vec<T> {
    fn debug_string(&self) -> String {
        use itertools::Itertools;
        use std::iter::repeat;
        if let Some(max_size) = self.iter()
            .map(|x| format!("{:?}", x).len())
            .max() {
                let mut idx = String::from("idx |");   
                let mut val = String::from("val |");   
                for (i, xi) in self.iter().enumerate() {
                    idx.push_str(
                        &format!(" {:>w$} |", i, w=max_size)
                    );
                    val.push_str(
                        &format!(" {:>w$} |", xi, w=max_size)
                    );
                }

                format!("{}\n{}\n{}\n", idx, repeat('-').take(idx.len()).join(""), val)
            } else {
                format!("idx | \nval |\n")
            }
    }
}

impl<T: std::fmt::Debug + std::fmt::Display> Debuggable for std::collections::BTreeSet<T> {
    fn debug_string(&self) -> String {
        use itertools::Itertools;
        format!("{{ {} }}", self.iter().join(", "))
    }
}

impl<T, U> Debuggable for std::collections::BTreeMap<T, U> 
where T: std::fmt::Debug + std::fmt::Display, U: std::fmt::Debug + std::fmt::Display
{
    fn debug_string(&self) -> String {
        use itertools::Itertools;
        format!(
            "{{\n{}\n }}", self.iter()
                .map(|(k, v)| format!("{k} -> {v}, "))
                .join("\n")
        )
    }
}

// lg! マクロの定義
#[macro_export]
macro_rules! lg {
    ($val:expr) => {
        #[cfg(feature = "local")]
        {
            {
                use Debuggable;
                let val = &$val;
                eprintln!(
                    "[{}:{}] {} = \n{}",
                    file!(),
                    line!(),
                    stringify!($val),
                    val.debug_string()
                );
                val
            }
        }
    }
}
    

提出情報

コンパイルエラー

warning: unused variable: `n`
 --> src/main.rs:6:9
  |
6 |         n: usize,
  |         ^ help: if this is intentional, prefix it with an underscore: `_n`
  |
  = note: `#[warn(unused_variables)]` on by default

ジャッジ結果