結果
問題 | No.2317 Expression Menu |
ユーザー | naut |
提出日時 | 2023-06-18 19:46:33 |
言語 | Rust (1.77.0) |
結果 |
AC
|
実行時間 | 319 ms / 2,000 ms |
コード長 | 2,090 bytes |
コンパイル時間 | 6,026 ms |
コンパイル使用メモリ | 163,732 KB |
実行使用メモリ | 217,900 KB |
最終ジャッジ日時 | 2023-09-08 15:52:33 |
合計ジャッジ時間 | 15,846 ms |
ジャッジサーバーID (参考情報) |
judge12 / judge15 |
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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
4,376 KB |
testcase_01 | AC | 1 ms
4,376 KB |
testcase_02 | AC | 21 ms
16,980 KB |
testcase_03 | AC | 309 ms
217,876 KB |
testcase_04 | AC | 301 ms
217,900 KB |
testcase_05 | AC | 306 ms
217,876 KB |
testcase_06 | AC | 298 ms
217,876 KB |
testcase_07 | AC | 303 ms
217,896 KB |
testcase_08 | AC | 304 ms
217,888 KB |
testcase_09 | AC | 303 ms
217,892 KB |
testcase_10 | AC | 300 ms
217,852 KB |
testcase_11 | AC | 305 ms
217,876 KB |
testcase_12 | AC | 306 ms
217,888 KB |
testcase_13 | AC | 299 ms
217,872 KB |
testcase_14 | AC | 318 ms
217,888 KB |
testcase_15 | AC | 305 ms
217,872 KB |
testcase_16 | AC | 306 ms
217,892 KB |
testcase_17 | AC | 312 ms
217,880 KB |
testcase_18 | AC | 303 ms
217,844 KB |
testcase_19 | AC | 313 ms
217,876 KB |
testcase_20 | AC | 310 ms
217,844 KB |
testcase_21 | AC | 300 ms
217,884 KB |
testcase_22 | AC | 297 ms
217,880 KB |
testcase_23 | AC | 318 ms
217,876 KB |
testcase_24 | AC | 319 ms
217,872 KB |
testcase_25 | AC | 318 ms
217,880 KB |
testcase_26 | AC | 315 ms
217,884 KB |
testcase_27 | AC | 314 ms
217,876 KB |
testcase_28 | AC | 315 ms
217,888 KB |
testcase_29 | AC | 315 ms
217,824 KB |
testcase_30 | AC | 314 ms
217,868 KB |
testcase_31 | AC | 315 ms
217,876 KB |
testcase_32 | AC | 315 ms
217,876 KB |
testcase_33 | AC | 1 ms
4,376 KB |
testcase_34 | AC | 1 ms
4,376 KB |
testcase_35 | AC | 3 ms
4,376 KB |
testcase_36 | AC | 1 ms
4,376 KB |
testcase_37 | AC | 1 ms
4,380 KB |
testcase_38 | AC | 302 ms
217,844 KB |
testcase_39 | AC | 301 ms
217,892 KB |
コンパイルメッセージ
warning: unused `Result` that must be used --> Main.rs:49:5 | 49 | writeln!(out, "{}", ans); | ^^^^^^^^^^^^^^^^^^^^^^^^ | = note: this `Result` may be an `Err` variant, which should be handled = note: `#[warn(unused_must_use)]` on by default = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) warning: 1 warning emitted
ソースコード
#![allow(non_snake_case, unused_imports)] use std::io::{self, prelude::*}; use std::str; fn main() { let (stdin, stdout) = (io::stdin(), io::stdout()); let mut scan = Scanner::new(stdin.lock()); let mut out = io::BufWriter::new(stdout.lock()); macro_rules! input { ($T: ty) => { scan.token::<$T>() }; } let N = input!(usize); let X = input!(usize); let Y = input!(usize); let ABC = (0..N) .map(|_| (input!(usize), input!(usize), input!(isize))) .collect::<Vec<_>>(); let mut dp = vec![vec![vec![-(1 << 60); Y + 1]; X + 1]; N + 1]; dp[0][0][0] = 0; for i in 0..N { let (A, B, C) = ABC[i]; for a in 0..=X { for b in 0..=Y { dp[i + 1][a][b] = std::cmp::max(dp[i + 1][a][b], dp[i][a][b]); if dp[i][a][b] >= 0 && a + A <= X && b + B <= Y { dp[i + 1][a + A][b + B] = std::cmp::max(dp[i][a][b] + C, dp[i + 1][a + A][b + B]); } } } } let mut ans = -(1 << 60); for a in 0..=X { for b in 0..=Y { ans = std::cmp::max(ans, dp[N][a][b]); } } writeln!(out, "{}", ans); } struct Scanner<R> { reader: R, buf_str: Vec<u8>, buf_iter: str::SplitWhitespace<'static>, } impl<R: BufRead> Scanner<R> { fn new(reader: R) -> Self { Self { reader, buf_str: vec![], buf_iter: "".split_whitespace(), } } fn token<T: str::FromStr>(&mut self) -> T { loop { if let Some(token) = self.buf_iter.next() { return token.parse().ok().expect("Failed parse"); } self.buf_str.clear(); self.reader .read_until(b'\n', &mut self.buf_str) .expect("Failed read"); self.buf_iter = unsafe { let slice = str::from_utf8_unchecked(&self.buf_str); std::mem::transmute(slice.split_whitespace()) } } } }