結果
問題 | No.2246 1333-like Number |
ユーザー | rp523 |
提出日時 | 2023-03-17 22:45:52 |
言語 | Rust (1.83.0 + proconio) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 2,440 bytes |
コンパイル時間 | 13,696 ms |
コンパイル使用メモリ | 379,648 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-18 11:53:14 |
合計ジャッジ時間 | 14,852 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 24 |
コンパイルメッセージ
warning: unused variable: `a` --> src/main.rs:59:13 | 59 | for a in 1..b { | ^ help: if this is intentional, prefix it with an underscore: `_a` | = note: `#[warn(unused_variables)]` on by default
ソースコード
#![allow(unused_macros, unused_imports, dead_code)] use std::any::TypeId; use std::cmp::{max, min, Reverse}; use std::collections::{BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet, VecDeque}; use std::mem::swap; use std::ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Neg, Rem, Sub, SubAssign}; mod procon_reader { use std::fmt::Debug; use std::io::Read; use std::str::FromStr; pub fn read<T: FromStr>() -> T where <T as FromStr>::Err: Debug, { let stdin = std::io::stdin(); let mut stdin_lock = stdin.lock(); let mut u8b: [u8; 1] = [0]; loop { let mut buf: Vec<u8> = Vec::with_capacity(16); loop { let res = stdin_lock.read(&mut u8b); if res.unwrap_or(0) == 0 || u8b[0] <= b' ' { break; } else { buf.push(u8b[0]); } } if !buf.is_empty() { let ret = String::from_utf8(buf).unwrap(); return ret.parse().unwrap(); } } } pub fn read_vec<T: std::str::FromStr>(n: usize) -> Vec<T> where <T as FromStr>::Err: Debug, { (0..n).map(|_| read::<T>()).collect::<Vec<T>>() } pub fn read_vec_sub1(n: usize) -> Vec<usize> { (0..n).map(|_| read::<usize>() - 1).collect::<Vec<usize>>() } pub fn read_mat<T: std::str::FromStr>(h: usize, w: usize) -> Vec<Vec<T>> where <T as FromStr>::Err: Debug, { (0..h).map(|_| read_vec::<T>(w)).collect::<Vec<Vec<T>>>() } } use procon_reader::*; /************************************************************************************* *************************************************************************************/ fn main() { let mut n = read::<usize>() - 1; let mut unit = 0; for b in 1..10 { for a in 1..b { unit += 1; } } let unit = unit; let c = n / unit; n %= unit; let mut cnt = 0; for a in 1..10 { for b in 1..10 { if a >= b { continue; } if cnt == n { let mut x = (10 * a + b).to_string(); for _ in 0..c { x.push((b as u8 + b'0') as char) } println!("{}", x); return; } cnt += 1; } } }