結果
問題 | No.955 ax^2+bx+c=0 |
ユーザー | akiradeveloper |
提出日時 | 2019-12-18 12:08:54 |
言語 | Rust (1.77.0 + proconio) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,861 bytes |
コンパイル時間 | 17,961 ms |
コンパイル使用メモリ | 388,176 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-07-07 00:40:20 |
合計ジャッジ時間 | 20,609 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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 |
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testcase_00 | AC | 1 ms
6,812 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 1 ms
6,944 KB |
testcase_08 | AC | 1 ms
6,940 KB |
testcase_09 | AC | 1 ms
6,940 KB |
testcase_10 | AC | 0 ms
6,940 KB |
testcase_11 | AC | 1 ms
6,940 KB |
testcase_12 | AC | 1 ms
6,944 KB |
testcase_13 | AC | 1 ms
6,940 KB |
testcase_14 | AC | 1 ms
6,944 KB |
testcase_15 | AC | 1 ms
6,940 KB |
testcase_16 | AC | 1 ms
6,940 KB |
testcase_17 | AC | 1 ms
6,944 KB |
testcase_18 | AC | 1 ms
6,944 KB |
testcase_19 | AC | 1 ms
6,940 KB |
testcase_20 | AC | 1 ms
6,944 KB |
testcase_21 | AC | 1 ms
6,944 KB |
testcase_22 | AC | 1 ms
6,944 KB |
testcase_23 | AC | 1 ms
6,940 KB |
testcase_24 | AC | 1 ms
6,940 KB |
testcase_25 | AC | 1 ms
6,944 KB |
testcase_26 | AC | 1 ms
6,944 KB |
testcase_27 | AC | 1 ms
6,944 KB |
testcase_28 | AC | 1 ms
6,944 KB |
testcase_29 | AC | 1 ms
6,944 KB |
testcase_30 | AC | 1 ms
6,944 KB |
testcase_31 | AC | 1 ms
6,944 KB |
testcase_32 | AC | 1 ms
6,944 KB |
testcase_33 | AC | 1 ms
6,944 KB |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | WA | - |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | WA | - |
testcase_54 | WA | - |
testcase_55 | WA | - |
testcase_56 | WA | - |
testcase_57 | WA | - |
testcase_58 | WA | - |
testcase_59 | WA | - |
testcase_60 | WA | - |
testcase_61 | WA | - |
testcase_62 | AC | 1 ms
6,940 KB |
testcase_63 | WA | - |
testcase_64 | AC | 1 ms
6,940 KB |
testcase_65 | WA | - |
testcase_66 | AC | 1 ms
6,940 KB |
testcase_67 | AC | 1 ms
6,940 KB |
testcase_68 | AC | 0 ms
6,940 KB |
testcase_69 | AC | 1 ms
6,944 KB |
testcase_70 | WA | - |
testcase_71 | AC | 1 ms
6,940 KB |
testcase_72 | AC | 1 ms
6,944 KB |
testcase_73 | AC | 0 ms
6,944 KB |
testcase_74 | AC | 0 ms
6,940 KB |
testcase_75 | AC | 1 ms
6,940 KB |
testcase_76 | AC | 1 ms
6,940 KB |
testcase_77 | WA | - |
testcase_78 | WA | - |
testcase_79 | WA | - |
testcase_80 | AC | 1 ms
6,940 KB |
testcase_81 | AC | 0 ms
6,940 KB |
testcase_82 | AC | 1 ms
6,940 KB |
testcase_83 | AC | 1 ms
6,940 KB |
testcase_84 | AC | 1 ms
6,944 KB |
testcase_85 | AC | 1 ms
6,940 KB |
testcase_86 | AC | 1 ms
6,944 KB |
testcase_87 | AC | 1 ms
6,944 KB |
testcase_88 | AC | 1 ms
6,940 KB |
testcase_89 | AC | 1 ms
6,948 KB |
testcase_90 | AC | 1 ms
6,940 KB |
testcase_91 | AC | 1 ms
6,940 KB |
testcase_92 | AC | 1 ms
6,940 KB |
testcase_93 | AC | 1 ms
6,940 KB |
testcase_94 | AC | 1 ms
6,944 KB |
testcase_95 | AC | 0 ms
6,944 KB |
testcase_96 | AC | 0 ms
6,944 KB |
testcase_97 | AC | 1 ms
6,940 KB |
testcase_98 | AC | 1 ms
6,940 KB |
testcase_99 | AC | 1 ms
6,944 KB |
testcase_100 | AC | 0 ms
6,940 KB |
testcase_101 | AC | 1 ms
6,944 KB |
testcase_102 | AC | 1 ms
6,944 KB |
testcase_103 | AC | 1 ms
6,944 KB |
testcase_104 | AC | 1 ms
6,944 KB |
testcase_105 | AC | 0 ms
6,940 KB |
testcase_106 | AC | 1 ms
6,944 KB |
testcase_107 | AC | 0 ms
6,944 KB |
testcase_108 | AC | 0 ms
6,940 KB |
testcase_109 | AC | 0 ms
6,940 KB |
testcase_110 | AC | 0 ms
6,944 KB |
testcase_111 | AC | 1 ms
6,948 KB |
testcase_112 | AC | 1 ms
6,940 KB |
testcase_113 | AC | 1 ms
6,940 KB |
testcase_114 | AC | 1 ms
6,944 KB |
testcase_115 | AC | 1 ms
6,940 KB |
testcase_116 | AC | 0 ms
6,940 KB |
testcase_117 | AC | 1 ms
6,944 KB |
testcase_118 | AC | 1 ms
6,940 KB |
testcase_119 | AC | 0 ms
6,940 KB |
testcase_120 | AC | 0 ms
6,940 KB |
testcase_121 | AC | 1 ms
6,940 KB |
testcase_122 | WA | - |
testcase_123 | AC | 1 ms
6,944 KB |
testcase_124 | WA | - |
コンパイルメッセージ
warning: unused variable: `out` --> src/main.rs:112:13 | 112 | let mut out = BufWriter::new(out.lock()); | ^^^ help: if this is intentional, prefix it with an underscore: `_out` | = note: `#[warn(unused_variables)]` on by default warning: variable does not need to be mutable --> src/main.rs:112:9 | 112 | let mut out = BufWriter::new(out.lock()); | ----^^^ | | | help: remove this `mut` | = note: `#[warn(unused_mut)]` on by default
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; #[macro_export] macro_rules ! chmax { ( $ x : expr , $ ( $ v : expr ) ,+ ) => { $ ( $ x = std :: cmp :: max ( $ x ,$ v ) ; ) + } ; } #[macro_export] macro_rules ! chmin { ( $ x : expr , $ ( $ v : expr ) ,+ ) => { $ ( $ x = std :: cmp :: min ( $ x ,$ v ) ; ) + } ; } #[macro_export] macro_rules ! max { ( $ x : expr ) => ( $ x ) ; ( $ x : expr , $ ( $ xs : expr ) ,+ ) => { std :: cmp :: max ( $ x , max ! ( $ ( $ xs ) ,+ ) ) } ; } #[macro_export] macro_rules ! min { ( $ x : expr ) => ( $ x ) ; ( $ x : expr , $ ( $ xs : expr ) ,+ ) => { std :: cmp :: min ( $ x , min ! ( $ ( $ xs ) ,+ ) ) } ; } #[macro_export] macro_rules ! dvec { ( $ t : expr ; $ len : expr ) => { vec ! [ $ t ; $ len ] } ; ( $ t : expr ; $ len : expr , $ ( $ rest : expr ) ,* ) => { vec ! [ dvec ! ( $ t ; $ ( $ rest ) ,* ) ; $ len ] } ; } #[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() { let out = stdout(); let mut out = BufWriter::new(out.lock()); input!{ a:f64,b:f64,c:f64, } if a==0.0 && b==0.0 && c==0.0 { println!("-1"); return } if a==0.0 && b==0.0 { println!("0"); return } if a==0.0 { if b==0.0 { println!("0"); } else { println!("1"); println!("{}", -1.0 * c/b); } } else { let d = b*b - 4.0*a*c; if d < 0.0 { println!("0"); } else if d == 0.0 { println!("1"); println!("{}", -1.0*b / (2.0*a)); } else { println!("2"); println!("{}", (-1.0*b - f64::sqrt(d)) / (2.0*a)); println!("{}", (-1.0*b + f64::sqrt(d)) / (2.0*a)); } } }