結果
問題 | No.718 行列のできるフィボナッチ数列道場 (1) |
ユーザー | hatoo |
提出日時 | 2018-08-06 12:54:16 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 1,684 ms / 2,000 ms |
コード長 | 5,285 bytes |
コンパイル時間 | 12,602 ms |
コンパイル使用メモリ | 407,428 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-19 18:10:14 |
合計ジャッジ時間 | 21,587 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | 987 ms
5,248 KB |
testcase_01 | AC | 1,684 ms
5,376 KB |
testcase_02 | AC | 112 ms
6,940 KB |
testcase_03 | AC | 244 ms
6,940 KB |
testcase_04 | AC | 373 ms
6,944 KB |
testcase_05 | AC | 1,340 ms
6,940 KB |
testcase_06 | AC | 1,479 ms
6,940 KB |
testcase_07 | AC | 619 ms
6,940 KB |
testcase_08 | AC | 567 ms
6,940 KB |
testcase_09 | AC | 486 ms
6,940 KB |
testcase_10 | AC | 1 ms
6,944 KB |
testcase_11 | AC | 1 ms
6,940 KB |
testcase_12 | AC | 1 ms
6,940 KB |
testcase_13 | AC | 1 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 3 ms
6,944 KB |
testcase_16 | AC | 3 ms
6,940 KB |
testcase_17 | AC | 3 ms
6,940 KB |
testcase_18 | AC | 3 ms
6,940 KB |
testcase_19 | AC | 3 ms
6,940 KB |
testcase_20 | AC | 1 ms
6,944 KB |
testcase_21 | AC | 70 ms
6,940 KB |
testcase_22 | AC | 1 ms
6,944 KB |
コンパイルメッセージ
warning: associated function `new` is never used --> src/main.rs:83:8 | 82 | impl Fib { | -------- associated function in this implementation 83 | fn new() -> Fib { | ^^^ | = note: `#[warn(dead_code)]` 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; mod util { use std::fmt::Debug; use std::io::{stdin, stdout, BufWriter, StdoutLock}; use std::str::FromStr; #[allow(dead_code)] pub fn line() -> String { let mut line: String = String::new(); stdin().read_line(&mut line).unwrap(); line.trim().to_string() } #[allow(dead_code)] pub fn chars() -> Vec<char> { line().chars().collect() } #[allow(dead_code)] pub fn gets<T: FromStr>() -> Vec<T> where <T as FromStr>::Err: Debug, { let mut line: String = String::new(); stdin().read_line(&mut line).unwrap(); line.split_whitespace() .map(|t| t.parse().unwrap()) .collect() } #[allow(dead_code)] pub fn with_bufwriter<F: FnOnce(BufWriter<StdoutLock>) -> ()>(f: F) { let out = stdout(); let writer = BufWriter::new(out.lock()); f(writer) } } #[allow(unused_macros)] macro_rules ! get { ( $ t : ty ) => { { let mut line : String = String :: new ( ) ; stdin ( ) . read_line ( & mut line ) . unwrap ( ) ; line . trim ( ) . parse ::<$ t > ( ) . unwrap ( ) } } ; ( $ ( $ t : ty ) ,* ) => { { let mut line : String = String :: new ( ) ; stdin ( ) . read_line ( & mut line ) . unwrap ( ) ; let mut iter = line . split_whitespace ( ) ; ( $ ( iter . next ( ) . unwrap ( ) . parse ::<$ t > ( ) . unwrap ( ) , ) * ) } } ; ( $ t : ty ; $ n : expr ) => { ( 0 ..$ n ) . map ( | _ | get ! ( $ t ) ) . collect ::< Vec < _ >> ( ) } ; ( $ ( $ t : ty ) ,*; $ n : expr ) => { ( 0 ..$ n ) . map ( | _ | get ! ( $ ( $ t ) ,* ) ) . collect ::< Vec < _ >> ( ) } ; ( $ t : ty ;; ) => { { let mut line : String = String :: new ( ) ; stdin ( ) . read_line ( & mut line ) . unwrap ( ) ; line . split_whitespace ( ) . map ( | t | t . parse ::<$ t > ( ) . unwrap ( ) ) . collect ::< Vec < _ >> ( ) } } ; ( $ t : ty ;; $ n : expr ) => { ( 0 ..$ n ) . map ( | _ | get ! ( $ t ;; ) ) . collect ::< Vec < _ >> ( ) } ; } #[allow(unused_macros)] macro_rules ! debug { ( $ ( $ a : expr ) ,* ) => { eprintln ! ( concat ! ( $ ( stringify ! ( $ a ) , " = {:?}, " ) ,* ) , $ ( $ a ) ,* ) ; } } 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(); } } #[allow(dead_code)] pub const M: u64 = 1_000_000_007; #[inline] fn add(x: u64, y: u64) -> u64 { let s = x + y; if s >= M { s - M } else { s } } #[derive(Debug, Eq, Hash, PartialEq, Clone)] struct Fib { a: u64, b: u64, } impl Fib { fn new() -> Fib { Fib { a: 0, b: 1 } } #[inline] fn next(&mut self) -> u64 { let t = self.a; self.a = self.b; self.b = add(self.b, t); self.a } } fn solve() { let table = [ (0, Fib { a: 0, b: 1 }), ( 999999734, Fib { a: 21, b: 999999994, }, ), ( 999397937, Fib { a: 999999020, b: 610, }, ), ( 671232238, Fib { a: 46368, b: 999971350, }, ), ( 410141410, Fib { a: 997821698, b: 1346269, }, ), ( 510853745, Fib { a: 102334155, b: 936754021, }, ), ( 44066357, Fib { a: 192473059, b: 971215059, }, ), ( 743595923, Fib { a: 851432142, b: 416138535, }, ), ( 72124658, Fib { a: 790216554, b: 470273943, }, ), ( 435523618, Fib { a: 8390086, b: 480986305, }, ), ( 128493982, Fib { a: 815449418, b: 923369890, }, ), ]; let n = get!(u64); let i = n / 1000000000; let j = n % 1000000000; let mut ans = table[i as usize].0; let mut fib = table[i as usize].1.clone(); for _ in 0..j { let t = fib.next(); ans = add(ans, t * t % M); } /* let mut ans = 0; let mut fib = Fib::new(); for i in 0..n + 1 { if i % 1000000000 == 0 { table.push((ans, fib.clone())); } let t = fib.next(); ans = add(ans, t * t % M); } debug!(table); */ println!("{}", ans); }