結果

問題 No.1439 Let's Compare!!!!
ユーザー RheoTommy
提出日時 2021-03-26 21:50:09
言語 Rust
(1.83.0 + proconio)
結果
AC  
実行時間 121 ms / 2,000 ms
コード長 3,971 bytes
コンパイル時間 15,882 ms
コンパイル使用メモリ 382,736 KB
実行使用メモリ 9,192 KB
最終ジャッジ日時 2024-11-29 08:42:08
合計ジャッジ時間 15,453 ms
ジャッジサーバーID
(参考情報)
judge2 / judge5
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 17
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#![allow(unused_macros)]
#![allow(dead_code)]
#![allow(unused_imports)]
// #
// - use
// - lib
// - main
// - basic
//
// 使basic
// 使lib
// → https://github.com/RheoTommy/at_coder
// Twitter → https://twitter.com/RheoTommy
use std::collections::*;
use std::io::{stdout, BufWriter, Write};
use crate::basic::*;
use crate::lib::*;
pub mod lib {}
fn main() {
let out = stdout();
let mut writer = BufWriter::new(out.lock());
let mut sc = Scanner::new();
let n = sc.next_usize();
let mut s = sc
.next_chars()
.into_iter()
.map(|ci| ci.to_digit(10).unwrap() as usize)
.collect::<Vec<_>>();
let mut t = sc
.next_chars()
.into_iter()
.map(|ci| ci.to_digit(10).unwrap() as usize)
.collect::<Vec<_>>();
let mut map = BTreeMap::new();
for i in 0..n {
if s[i] != t[i] {
map.insert(i, s[i] > t[i]);
}
}
for _ in 0..sc.next_usize() {
let ci = sc.next_char();
let x = sc.next_usize() - 1;
let y = sc.next_usize();
map.remove(&x);
if ci == 'S' {
s[x] = y;
if s[x] != t[x] {
map.insert(x, s[x] > t[x]);
}
} else {
t[x] = y;
if s[x] != t[x] {
map.insert(x, s[x] > t[x]);
}
}
let max = map.iter().next();
if let Some((_, &b)) = max {
if b {
writeln!(writer, "{}", ">").unwrap();
} else {
writeln!(writer, "{}", "<").unwrap();
}
} else {
writeln!(writer, "=").unwrap();
}
}
}
pub mod basic {
pub const U_INF: u64 = (1 << 60) + (1 << 30);
pub const I_INF: i64 = (1 << 60) + (1 << 30);
pub struct Scanner {
buf: std::collections::VecDeque<String>,
reader: std::io::BufReader<std::io::Stdin>,
}
impl Scanner {
pub fn new() -> Self {
Self {
buf: std::collections::VecDeque::new(),
reader: std::io::BufReader::new(std::io::stdin()),
}
}
fn scan_line(&mut self) {
use std::io::BufRead;
let mut flag = 0;
while self.buf.is_empty() {
let mut s = String::new();
self.reader.read_line(&mut s).unwrap();
let mut iter = s.split_whitespace().peekable();
if iter.peek().is_none() {
if flag >= 5 {
panic!("There is no input!");
}
flag += 1;
continue;
}
for si in iter {
self.buf.push_back(si.to_string());
}
}
}
pub fn next<T: std::str::FromStr>(&mut self) -> T {
self.scan_line();
self.buf
.pop_front()
.unwrap()
.parse()
.unwrap_or_else(|_| panic!("Couldn't parse!"))
}
pub fn next_usize(&mut self) -> usize {
self.next()
}
pub fn next_int(&mut self) -> i64 {
self.next()
}
pub fn next_uint(&mut self) -> u64 {
self.next()
}
pub fn next_chars(&mut self) -> Vec<char> {
self.next::<String>().chars().collect()
}
pub fn next_string(&mut self) -> String {
self.next()
}
pub fn next_char(&mut self) -> char {
self.next()
}
pub fn next_float(&mut self) -> f64 {
self.next()
}
}
}
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