Submission #58953595

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Source Code Expand

use itertools::Itertools;
use proconio::{input, marker::Chars};

pub fn main() {
    input! {
        n: usize,
        q: usize,
        htq: [(char, usize); q],
    };
    let mut right = 1;
    let mut left = 0;
    let mut ans = 0;
    for i in 0..q {
        let (h, t) = htq[i];
        let t = t - 1;
        if h == 'L' {
            for j in 0..n {
                let now = (left + j) % n;
                if now == right {
                    break;
                }
                if now == t {
                    ans += j;
                    left = t;
                }
            }
            for j in 0..n {
                let now = (left + n - j) % n;
                if now == t {
                    ans += j;
                    left = t;
                }
            }
        } else {
            for j in 0..n {
                let now = (right + j) % n;
                if now == left {
                    break;
                }
                if now == t {
                    ans += j;
                    right = t;
                }
            }
            for j in 0..n {
                let now = (right + n - j) % n;
                if now == t {
                    ans += j;
                    right = t;
                }
            }
        }
    }
    println!("{}", ans);
}

Submission Info

Compile Error

warning: unused import: `itertools::Itertools`
 --> src/main.rs:1:5
  |
1 | use itertools::Itertools;
  |     ^^^^^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` on by default

warning: unused import: `marker::Chars`
 --> src/main.rs:2:23
  |
2 | use proconio::{input, marker::Chars};
  |                       ^^^^^^^^^^^^^

Judge Result