結果
問題 | No.2555 Intriguing Triangle |
ユーザー | EvbCFfp1XB |
提出日時 | 2023-12-02 01:18:40 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 5 ms / 2,000 ms |
コード長 | 2,424 bytes |
コンパイル時間 | 14,201 ms |
コンパイル使用メモリ | 379,604 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-26 16:11:56 |
合計ジャッジ時間 | 15,903 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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
5,248 KB |
testcase_01 | AC | 5 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 1 ms
5,376 KB |
testcase_15 | AC | 1 ms
5,376 KB |
testcase_16 | AC | 1 ms
5,376 KB |
testcase_17 | AC | 1 ms
5,376 KB |
testcase_18 | AC | 1 ms
5,376 KB |
testcase_19 | AC | 1 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 1 ms
5,376 KB |
testcase_23 | AC | 1 ms
5,376 KB |
testcase_24 | AC | 1 ms
5,376 KB |
testcase_25 | AC | 2 ms
5,376 KB |
testcase_26 | AC | 1 ms
5,376 KB |
testcase_27 | AC | 1 ms
5,376 KB |
testcase_28 | AC | 1 ms
5,376 KB |
testcase_29 | AC | 1 ms
5,376 KB |
コンパイルメッセージ
warning: constant `epsilon` should have an upper case name --> src/main.rs:1:7 | 1 | const epsilon: f64 = 1e-9; | ^^^^^^^ help: convert the identifier to upper case: `EPSILON` | = note: `#[warn(non_upper_case_globals)]` on by default
ソースコード
const epsilon: f64 = 1e-9; fn main() { let mut input = String::new(); std::io::stdin().read_line(&mut input).unwrap(); let mut input_iter = input.split_whitespace(); let de: i64 = input_iter.next().unwrap().parse().unwrap(); let mut input = String::new(); std::io::stdin().read_line(&mut input).unwrap(); let mut input_iter = input.split_whitespace(); let ab: i64 = input_iter.next().unwrap().parse().unwrap(); let mut input = String::new(); std::io::stdin().read_line(&mut input).unwrap(); let mut input_iter = input.split_whitespace(); let ac: i64 = input_iter.next().unwrap().parse().unwrap(); let mut res = false; for bd in 1..=100 { for ec in 1..=100 { if !can_triangle((bd + de + ec) as f64, ab as f64, ac as f64) { continue; } if let Some(dba) = angle(ac as f64, ab as f64, (bd + de + ec) as f64) { if let Some(eca) = angle(ab as f64, ac as f64, (bd + de + ec) as f64) { if let Some(ad) = length(ab as f64, bd as f64, dba) { if let Some(ae) = length(ac as f64, ec as f64, eca) { if !can_triangle(bd as f64, ab as f64, ad as f64) { continue; } if !can_triangle(ec as f64, ac as f64, ae as f64) { continue; } if let Some(bad) = angle(bd as f64, ab as f64, ad as f64) { if let Some(cae) = angle(ec as f64, ac as f64, ae as f64) { if (bad - cae).abs() < epsilon { res = true; } } } } } } } } } println!("{}", if res {"Yes"} else {"No"}); } fn angle(a: f64, b: f64, c: f64) -> Option<f64> { let cos = (b * b + c * c - a * a) / (2.0f64 * b * c); if cos.abs() > 1.0f64 { return None; } return Some(cos.acos()); } fn length(b: f64, c: f64, cab: f64) -> Option<f64> { let axa = b * b + c * c - 2.0 * b * c * cab.cos(); if axa < 0.0f64 { return None; } return Some(axa.sqrt()); } fn can_triangle(a: f64, b: f64, c: f64) -> bool { return can_triangle0(a, b, c) || can_triangle0(c, a, b) || can_triangle0(b, c, a); } fn can_triangle0(a: f64, b: f64, c: f64) -> bool { return a >= b.max(c) && a < b + c; }