結果
問題 | No.2385 Parse Integer with Radix |
ユーザー | haihamabossu |
提出日時 | 2023-07-21 22:53:07 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 1 ms / 2,000 ms |
コード長 | 1,946 bytes |
コンパイル時間 | 14,504 ms |
コンパイル使用メモリ | 383,448 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-22 00:26:14 |
合計ジャッジ時間 | 14,033 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 1 ms
5,376 KB |
ソースコード
pub mod scanner { pub struct Scanner { buf: Vec<String>, } impl Scanner { pub fn new() -> Self { Self { buf: vec![] } } pub fn new_from(source: &str) -> Self { let source = String::from(source); let buf = Self::split(source); Self { buf } } pub fn next<T: std::str::FromStr>(&mut self) -> T { loop { if let Some(x) = self.buf.pop() { return x.parse().ok().expect(""); } let mut source = String::new(); std::io::stdin().read_line(&mut source).expect(""); self.buf = Self::split(source); } } fn split(source: String) -> Vec<String> { source .split_whitespace() .rev() .map(String::from) .collect::<Vec<_>>() } } } use crate::scanner::Scanner; use std::io::Write; fn main() { let mut scanner = Scanner::new(); let out = std::io::stdout(); let mut out = std::io::BufWriter::new(out.lock()); let t: usize = scanner.next(); for _ in 0..t { solve(&mut scanner, &mut out); } } fn solve(scanner: &mut Scanner, out: &mut std::io::BufWriter<std::io::StdoutLock>) { let s: Vec<char> = scanner.next::<String>().chars().map(|c| c).collect(); let (b, a) = if s.len() == 1 || s[0] != '0' { (10, 0) } else { match s[0..2] { ['0', 'b'] => (2, 2), ['0', 'o'] => (8, 2), ['0', 'x'] => (16, 2), _ => (10, 0), } }; let mut ans: usize = 0; for &val in s[a..].iter() { ans *= b; if '0' <= val && val <= '9' { ans += val as usize - '0' as usize; } else { ans += val as usize - 'a' as usize + 10; } } writeln!(out, "{}", ans).unwrap(); }