結果
問題 | No.884 Eat and Add |
ユーザー | akiradeveloper |
提出日時 | 2019-09-13 22:26:51 |
言語 | Rust (1.83.0 + proconio) |
結果 |
AC
|
実行時間 | 5 ms / 1,000 ms |
コード長 | 5,318 bytes |
コンパイル時間 | 16,397 ms |
コンパイル使用メモリ | 400,148 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-04 10:00:21 |
合計ジャッジ時間 | 14,675 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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
6,812 KB |
testcase_01 | AC | 1 ms
6,816 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 4 ms
6,940 KB |
testcase_04 | AC | 5 ms
6,944 KB |
testcase_05 | AC | 4 ms
6,944 KB |
testcase_06 | AC | 4 ms
6,940 KB |
testcase_07 | AC | 3 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 4 ms
6,940 KB |
testcase_10 | AC | 1 ms
6,940 KB |
testcase_11 | AC | 1 ms
6,940 KB |
ソースコード
#[doc = " https://github.com/hatoo/competitive-rust-snippets"]#[allow(unused_imports)]use std::cmp::{max, min, Ordering};#[allow(unused_imports)]use std::collections::{BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet, VecDeque};#[allow(unused_imports)]use std::io::{stdin, stdout, BufWriter, Write};#[allow(unused_imports)]use std::iter::FromIterator;#[allow(unused_macros)]macro_rules ! debug { ( $ ( $ a : expr ) ,* ) => { eprintln ! ( concat ! ( $ ( stringify ! ( $ a ) , " = {:?}, " ) ,* ) , $ ( $ a ) ,* ) ; } }#[macro_export]macro_rules ! input { ( source = $ s : expr , $ ( $ r : tt ) * ) => { let mut parser = Parser :: from_str ( $ s ) ; input_inner ! { parser , $ ( $ r) * } } ; ( parser = $ parser : ident , $ ( $ r : tt ) * ) => { input_inner ! { $ parser , $ ( $ r ) * } } ; ( new_stdin_parser = $ parser :ident , $ ( $ r : tt ) * ) => { let stdin = std :: io :: stdin ( ) ; let reader = std :: io :: BufReader :: new ( stdin . lock ( ) ) ; let mut $parser = Parser :: new ( reader ) ; input_inner ! { $ parser , $ ( $ r ) * } } ; ( $ ( $ r : tt ) * ) => { input ! { new_stdin_parser = parser ,$ ( $ r ) * } } ; }#[macro_export]macro_rules ! input_inner { ( $ parser : ident ) => { } ; ( $ parser : ident , ) => { } ; ( $ parser : ident , $ var : ident : $ t : tt $ ( $ r : tt) * ) => { let $ var = read_value ! ( $ parser , $ t ) ; input_inner ! { $ parser $ ( $ r ) * } } ; }#[macro_export]macro_rules ! read_value { ( $ parser : ident , ( $ ( $ t : tt ) ,* ) ) => { ( $ ( read_value ! ( $ parser , $ t ) ) ,* ) } ; ( $ parser : ident , [$ t : tt ; $ len : expr ] ) => { ( 0 ..$ len ) . map ( | _ | read_value ! ( $ parser , $ t ) ) . collect ::< Vec < _ >> ( ) } ; ( $ parser :ident , chars ) => { read_value ! ( $ parser , String ) . chars ( ) . collect ::< Vec < char >> ( ) } ; ( $ parser : ident , usize1 ) => {read_value ! ( $ parser , usize ) - 1 } ; ( $ parser : ident , $ t : ty ) => { $ parser . next ::<$ t > ( ) . expect ( "Parse error" ) } ; }use std::io;use std::io::BufRead;use std::str;pub struct Parser<R> {reader: R,buf: Vec<u8>,pos: usize,}impl Parser<io::Empty> {pub fn from_str(s: &str) -> Parser<io::Empty> {Parser {reader: io::empty(),buf: s.as_bytes().to_vec(),pos: 0,}}}impl<R: BufRead> Parser<R> {pub fn new(reader: R) -> Parser<R> {Parser {reader: reader,buf: vec![],pos: 0,}}pub fn update_buf(&mut self) {self.buf.clear();self.pos = 0;loop {let (len, complete) = {let buf2 = self.reader.fill_buf().unwrap();self.buf.extend_from_slice(buf2);let len = buf2.len();if len == 0 {break;}(len, buf2[len - 1] <= 0x20)};self.reader.consume(len);if complete {break;}}}pub fn next<T: str::FromStr>(&mut self) -> Result<T, T::Err> {loop {let mut begin = self.pos;while begin < self.buf.len() && (self.buf[begin] <= 0x20) {begin += 1;}let mut end = begin;while end < self.buf.len() && (self.buf[end] > 0x20) {end += 1;}if begin != self.buf.len() {self.pos = end;return str::from_utf8(&self.buf[begin..end]).unwrap().parse::<T>();} else {self.update_buf();}}}}#[allow(unused_macros)]macro_rules ! debug { ( $ ( $ a : expr ) ,* ) => { eprintln ! ( concat ! ( $ ( stringify ! ( $ a ) , " = {:?}, " ) ,* ) , $ ( $ a ) ,* ) ; } }#[doc = " https://github.com/hatoo/competitive-rust-snippets"]const BIG_STACK_SIZE: bool = true;#[allow(dead_code)]fn main() {use std::thread;if BIG_STACK_SIZE {thread::Builder::new().stack_size(32 * 1024 * 1024).name("solve".into()).spawn(solve).unwrap().join().unwrap();} else {solve();}}fn solve() {input!{s:chars,}let mut split=vec![];let mut start=1;let mut cur=0;for i in 0..s.len() {let si=s[i];if si=='0' {if cur>0 {split.push((start,start+cur));}start=i+1+1;cur=0;} else {cur+=1;}}if cur>0 {split.push((start,start+cur));}// dbg!(&split);let mut cnt=0;while !split.is_empty() {let x = split.pop().unwrap();if x.1-x.0==1 {cnt+=1;} else {cnt+=1;let x = (x.0-1,x.0); // 桁上げif split.is_empty() {split.push(x);} else {let y = split.pop().unwrap();if y.1==x.0 { // マージできるlet y = (y.0,y.1+1);split.push(y);} else {split.push(y);split.push(x);}}}}println!("{}",cnt);}