結果
問題 | No.1352 Three Coins |
ユーザー | koba-e964 |
提出日時 | 2021-01-17 18:15:00 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 83 ms / 2,000 ms |
コード長 | 7,003 bytes |
コンパイル時間 | 14,114 ms |
コンパイル使用メモリ | 397,496 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-12-12 15:37:19 |
合計ジャッジ時間 | 17,455 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
(要ログイン)
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 | 76 ms
5,248 KB |
testcase_01 | AC | 71 ms
5,248 KB |
testcase_02 | AC | 69 ms
5,248 KB |
testcase_03 | AC | 70 ms
5,248 KB |
testcase_04 | AC | 69 ms
5,248 KB |
testcase_05 | AC | 65 ms
5,248 KB |
testcase_06 | AC | 68 ms
5,248 KB |
testcase_07 | AC | 1 ms
5,248 KB |
testcase_08 | AC | 68 ms
5,248 KB |
testcase_09 | AC | 68 ms
5,248 KB |
testcase_10 | AC | 69 ms
5,248 KB |
testcase_11 | AC | 69 ms
5,248 KB |
testcase_12 | AC | 1 ms
5,248 KB |
testcase_13 | AC | 65 ms
5,248 KB |
testcase_14 | AC | 64 ms
5,248 KB |
testcase_15 | AC | 61 ms
5,248 KB |
testcase_16 | AC | 1 ms
5,248 KB |
testcase_17 | AC | 70 ms
5,248 KB |
testcase_18 | AC | 69 ms
5,248 KB |
testcase_19 | AC | 1 ms
5,248 KB |
testcase_20 | AC | 1 ms
5,248 KB |
testcase_21 | AC | 68 ms
5,248 KB |
testcase_22 | AC | 1 ms
5,248 KB |
testcase_23 | AC | 1 ms
5,248 KB |
testcase_24 | AC | 69 ms
5,248 KB |
testcase_25 | AC | 1 ms
5,248 KB |
testcase_26 | AC | 1 ms
5,248 KB |
testcase_27 | AC | 67 ms
5,248 KB |
testcase_28 | AC | 61 ms
5,248 KB |
testcase_29 | AC | 64 ms
5,248 KB |
testcase_30 | AC | 66 ms
5,248 KB |
testcase_31 | AC | 69 ms
5,248 KB |
testcase_32 | AC | 64 ms
5,248 KB |
testcase_33 | AC | 1 ms
5,248 KB |
testcase_34 | AC | 70 ms
5,248 KB |
testcase_35 | AC | 83 ms
5,248 KB |
ソースコード
#[allow(unused_imports)] use std::cmp::*; #[allow(unused_imports)] use std::collections::*; use std::io::{Write, BufWriter}; // https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8 macro_rules! input { ($($r:tt)*) => { let stdin = std::io::stdin(); let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock())); let mut next = move || -> String{ bytes.by_ref().map(|r|r.unwrap() as char) .skip_while(|c|c.is_whitespace()) .take_while(|c|!c.is_whitespace()) .collect() }; input_inner!{next, $($r)*} }; } macro_rules! input_inner { ($next:expr) => {}; ($next:expr, ) => {}; ($next:expr, $var:ident : $t:tt $($r:tt)*) => { let $var = read_value!($next, $t); input_inner!{$next $($r)*} }; } macro_rules! read_value { ($next:expr, [graph1; $len:expr]) => {{ let mut g = vec![vec![]; $len]; let ab = read_value!($next, [(usize1, usize1)]); for (a, b) in ab { g[a].push(b); g[b].push(a); } g }}; ($next:expr, ( $($t:tt),* )) => { ( $(read_value!($next, $t)),* ) }; ($next:expr, [ $t:tt ; $len:expr ]) => { (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>() }; ($next:expr, chars) => { read_value!($next, String).chars().collect::<Vec<char>>() }; ($next:expr, usize1) => (read_value!($next, usize) - 1); ($next:expr, [ $t:tt ]) => {{ let len = read_value!($next, usize); read_value!($next, [$t; len]) }}; ($next:expr, $t:ty) => ($next().parse::<$t>().expect("Parse error")); } trait Change { fn chmax(&mut self, x: Self); fn chmin(&mut self, x: Self); } impl<T: PartialOrd> Change for T { fn chmax(&mut self, x: T) { if *self < x { *self = x; } } fn chmin(&mut self, x: T) { if *self > x { *self = x; } } } #[allow(unused)] macro_rules! debug { ($($format:tt)*) => (write!(std::io::stderr(), $($format)*).unwrap()); } #[allow(unused)] macro_rules! debugln { ($($format:tt)*) => (writeln!(std::io::stderr(), $($format)*).unwrap()); } fn gcd(x: usize, y: usize) -> usize { if y == 0 { x } else { gcd(y, x % y) } } // Verified by https://atcoder.jp/contests/arc084/submissions/3935443 #[derive(Clone)] struct BitSet { size: usize, buf: Vec<usize>, } impl BitSet { // size should be a multiple of bit-size of usize. fn new(size: usize) -> Self { let w = 8 * std::mem::size_of::<usize>(); assert_eq!(size & (w - 1), 0); let count = size / w; BitSet { size: size, buf: vec![0; count], } } #[allow(unused)] fn set(&mut self, idx: usize, val: bool) { debug_assert!(idx < self.size); let w = 8 * std::mem::size_of::<usize>(); let idx0 = idx / w; let idx1 = idx & (w - 1); if val { self.buf[idx0] |= 1 << idx1; } else { self.buf[idx0] &= !(1 << idx1); } } #[allow(unused)] fn get(&self, idx: usize) -> bool { let w = 8 * std::mem::size_of::<usize>(); debug_assert!(idx < self.size); let idx0 = idx / w; let idx1 = idx & (w - 1); (self.buf[idx0] >> idx1 & 1) == 1 } #[allow(unused)] fn shl(&self, val: usize) -> Self { if val >= self.size { return Self::new(self.size); } let w = 8 * std::mem::size_of::<usize>(); let count = self.size / w; let sh0 = val / w; let sh1 = val & (w - 1); let mut ans = Self::new(self.size); if sh1 == 0 { for i in 0 .. count - sh0 { ans.buf[i + sh0] = self.buf[i]; } } else { ans.buf[sh0] = self.buf[0] << sh1; for i in 1 .. count - sh0 { ans.buf[i + sh0] = self.buf[i] << sh1 | self.buf[i - 1] >> (w - sh1); } } ans } // Not verified #[allow(unused)] fn shr(&self, val: usize) -> Self { if val >= self.size { return Self::new(self.size); } let w = 8 * std::mem::size_of::<usize>(); let count = self.size / w; let sh0 = val / w; let sh1 = val & (w - 1); let mut ans = Self::new(self.size); if sh1 == 0 { for i in 0 .. count - sh0 { ans.buf[i] = self.buf[i + sh0]; } } else { for i in 0 .. count - sh0 - 1 { ans.buf[i] = self.buf[i + sh0] >> sh1 | self.buf[i + sh0 + 1] << (w - sh1); } ans.buf[self.size - sh0 - 1] = self.buf[self.size - 1] >> sh1; } ans } #[allow(unused)] fn msb(&self) -> Option<usize> { let w = 8 * std::mem::size_of::<usize>(); let count = self.size / w; for i in (0 .. count).rev() { let v = self.buf[i]; if v != 0 { return Some(w * i + w - 1 - v.leading_zeros() as usize); } } None } } // TODO reference is not allowed as rhs impl std::ops::BitXorAssign for BitSet { fn bitxor_assign(&mut self, other: BitSet) { debug_assert_eq!(self.size, other.size); for i in 0 .. self.buf.len() { self.buf[i] ^= other.buf[i]; } } } impl std::ops::BitOrAssign for BitSet { fn bitor_assign(&mut self, other: BitSet) { debug_assert_eq!(self.size, other.size); for i in 0 .. self.buf.len() { self.buf[i] |= other.buf[i]; } } } fn solve() { let out = std::io::stdout(); let mut out = BufWriter::new(out.lock()); macro_rules! puts { ($($format:tt)*) => (let _ = write!(out,$($format)*);); } #[allow(unused)] macro_rules! putvec { ($v:expr) => { for i in 0..$v.len() { puts!("{}{}", $v[i], if i + 1 == $v.len() {"\n"} else {" "}); } } } input! { a: usize, b: usize, c: usize, } let g = gcd(gcd(a, b), c); if g != 1 { puts!("INF\n"); return; } const W: usize = 2 * 2000 * 2000; let mut bs = BitSet::new(W); bs.set(0, true); let abc = vec![a, b, c]; for x in abc { for i in 0..W - x { if !bs.get(i) { continue; } bs.set(i + x, true); } for i in 900..1000 { if bs.get(i) { eprintln!("{}", i); } } } let mut cnt = 0; for i in 0..W { if !bs.get(i) { cnt += 1; } } puts!("{}\n", cnt); } fn main() { // In order to avoid potential stack overflow, spawn a new thread. let stack_size = 104_857_600; // 100 MB let thd = std::thread::Builder::new().stack_size(stack_size); thd.spawn(|| solve()).unwrap().join().unwrap(); }