Submission #5183755

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Source Code Expand

fn read<T: ::std::str::FromStr>() -> T {
    let mut s = String::new();
    ::std::io::stdin().read_line(&mut s).ok();
    s.trim().parse().ok().unwrap()
}

fn read_vec<T: ::std::str::FromStr>() -> Vec<T> {
    let mut s = String::new();
    ::std::io::stdin().read_line(&mut s).ok();
    s.trim().split_whitespace()
        .map(|e| e.parse().ok().unwrap()).collect()
}

pub fn main() {
    let N: usize = read();
    let S: String = read();
    let mut w_counter = 0;
    let mut start = false;
    for c in S.chars() {
        if c == '.' {
            if !start {
                continue;
            }
            w_counter += 1;
        } else {
            start = true;
        }
    }

    let mut b_counter = 0;
    start = false;
    for c in S.chars().rev() {
        if c == '#' {
            if !start {
                continue;
            }
            b_counter += 1;
        } else {
            start = true;
        }
    }
    println!("{}", ::std::cmp::min(w_counter, b_counter));
}

Submission Info

Compile Error

warning: function is never used: `read_vec`, #[warn(dead_code)] on by default
  --> ./Main.rs:7:1
   |
7  |   fn read_vec<T: ::std::str::FromStr>() -> Vec<T> {
   |  _^ starting here...
8  | |     let mut s = String::new();
9  | |     ::std::io::stdin().read_line(&mut s).ok();
10 | |     s.trim().split_whitespace()
11 | |         .map(|e| e.parse().ok().unwrap()).collect()
12 | | }
   | |_^ ...ending here

warning: unused variable: `N`, #[warn(unused_variables)] on by default
  --> ./Main.rs:15:9
   |
15 |     let N: usize = read();
   |         ^

warning: variable `N` should have a snake case name such as `n`, #[warn(non_snake_case)] on by default
  --> ./Main.rs:15:9
   |
15 |     let N: usize = read();
   |         ^

warning: variable `S` should have a snake case name such as `s`, #[warn(non_snake_case)] on by default
  --> ./Main.rs:16:9
   |
16 |     let S: String = read();
   |         ^

Judge Result