結果
問題 | No.1583 Building Blocks |
ユーザー | ikd |
提出日時 | 2021-07-03 11:00:29 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 10 ms / 2,000 ms |
コード長 | 2,288 bytes |
コンパイル時間 | 19,719 ms |
コンパイル使用メモリ | 390,324 KB |
実行使用メモリ | 9,728 KB |
最終ジャッジ日時 | 2024-09-14 02:51:23 |
合計ジャッジ時間 | 14,923 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge6 |
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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
6,812 KB |
testcase_02 | AC | 1 ms
6,812 KB |
testcase_03 | AC | 4 ms
6,816 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 1 ms
6,944 KB |
testcase_06 | AC | 3 ms
6,940 KB |
testcase_07 | AC | 3 ms
6,944 KB |
testcase_08 | AC | 1 ms
6,944 KB |
testcase_09 | AC | 8 ms
8,064 KB |
testcase_10 | AC | 1 ms
6,944 KB |
testcase_11 | AC | 1 ms
6,940 KB |
testcase_12 | AC | 4 ms
6,944 KB |
testcase_13 | AC | 6 ms
6,940 KB |
testcase_14 | AC | 3 ms
6,944 KB |
testcase_15 | AC | 4 ms
6,944 KB |
testcase_16 | AC | 6 ms
6,944 KB |
testcase_17 | AC | 5 ms
6,944 KB |
testcase_18 | AC | 1 ms
6,940 KB |
testcase_19 | AC | 10 ms
9,728 KB |
testcase_20 | AC | 2 ms
6,944 KB |
testcase_21 | AC | 3 ms
6,940 KB |
testcase_22 | AC | 3 ms
6,944 KB |
testcase_23 | AC | 1 ms
6,940 KB |
testcase_24 | AC | 6 ms
6,944 KB |
testcase_25 | AC | 1 ms
6,940 KB |
testcase_26 | AC | 7 ms
7,040 KB |
testcase_27 | AC | 3 ms
6,940 KB |
testcase_28 | AC | 8 ms
7,808 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 1 ms
6,940 KB |
testcase_31 | AC | 6 ms
6,940 KB |
testcase_32 | AC | 3 ms
6,944 KB |
testcase_33 | AC | 10 ms
9,600 KB |
testcase_34 | AC | 1 ms
6,940 KB |
testcase_35 | AC | 3 ms
6,940 KB |
testcase_36 | AC | 7 ms
6,940 KB |
testcase_37 | AC | 1 ms
6,940 KB |
testcase_38 | AC | 1 ms
6,940 KB |
testcase_39 | AC | 1 ms
6,940 KB |
testcase_40 | AC | 1 ms
6,944 KB |
testcase_41 | AC | 1 ms
6,944 KB |
testcase_42 | AC | 1 ms
6,940 KB |
testcase_43 | AC | 1 ms
6,944 KB |
testcase_44 | AC | 1 ms
6,944 KB |
testcase_45 | AC | 1 ms
6,944 KB |
ソースコード
//! # Bundled libraries //! //! - `procon_reader 0.1.0 (git+https://github.com/ia7ck/rust-competitive-programming#59eb5cd766b43a170294fe6e7a7026645fc306e3)` licensed under **missing** as `crate::procon_reader` use procon_reader::ProconReader; fn main() { let stdin = std::io::stdin(); let mut rd = ProconReader::new(stdin.lock()); let n: usize = rd.get(); let ws: Vec<(u64, u64)> = (0..n) .map(|_| { let w: u64 = rd.get(); let s: u64 = rd.get(); (w, s) }) .collect(); let mut ws = ws; ws.sort_by_key(|(w, s)| w + s); let inf = std::u64::MAX / 2; let mut dp = vec![vec![inf; n + 1]; n + 1]; dp[0][0] = 0; for (i, &(w, s)) in ws.iter().enumerate() { for j in 0..=n { dp[i + 1][j] = dp[i + 1][j].min(dp[i][j]); if j >= 1 && s >= dp[i][j - 1] { dp[i + 1][j] = dp[i + 1][j].min(dp[i][j - 1] + w); } } } let ans = dp[n].iter().rposition(|&x| x != inf).unwrap(); println!("{}", ans); } // The following code was expanded by `cargo-equip`. #[cfg_attr(any(),rustfmt::skip)]#[allow(unused)]pub mod procon_reader{pub struct ProconReader<R>{r:R,l:String,i:usize,}impl<R:std::io::BufRead>ProconReader<R>{pub fn new(reader:R)->Self{Self{r:reader,l:String::new(),i:0,}}pub fn get<T>(&mut self)->T where T:std::str::FromStr,<T as std::str::FromStr>::Err:std::fmt::Debug,{self.skip_blanks();assert!(self.i<self.l.len());assert_ne!(&self.l[self.i..=self.i]," ");let rest=&self.l[self.i..];let len=rest.find(' ').unwrap_or_else(| |rest.len());let val=rest[..len].parse().unwrap_or_else(|e|panic!("{:?}, attempt to read `{}`",e,rest));self.i+=len;val}fn skip_blanks(&mut self){loop{match self.l[self.i..].find(|ch|ch!=' '){Some(j)=>{self.i+=j;break;}None=>{let mut buf=String::new();let num_bytes=self.r.read_line(&mut buf).unwrap_or_else(|_|panic!("invalid UTF-8"));assert!(num_bytes>0,"reached EOF :(");self.l=buf.trim_end_matches('\n').trim_end_matches('\r').to_string();self.i=0;}}}}pub fn get_vec<T>(&mut self,n:usize)->Vec<T>where T:std::str::FromStr,<T as std::str::FromStr>::Err:std::fmt::Debug,{(0..n).map(|_|self.get()).collect()}pub fn get_chars(&mut self)->Vec<char>{self.get::<String>().chars().collect()}}}