結果
問題 |
No.2555 Intriguing Triangle
|
ユーザー |
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提出日時 | 2023-12-02 00:05:40 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,171 bytes |
コンパイル時間 | 1,964 ms |
コンパイル使用メモリ | 193,224 KB |
最終ジャッジ日時 | 2025-02-18 03:06:06 |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 22 WA * 6 |
ソースコード
#include<bits/stdc++.h> using namespace std; int main(){ int a, b, c; cin >> a >> b >> c; auto hen_to_cos = [&](long double a, long double b, long double c){ return (a*a + b*b - c*c) / (2.0*a*b); }; const long double eps = 1e-13; bool mode = false; for (int x=a+2; x<b+c; x++){ long double ax = 0.0, ay = 0.0; long double cx = c, cy = 0.0; long double bx, by; long double cos1 = hen_to_cos(b, c, x); long double sin1 = sqrt(1 - cos1 * cos1); bx = cos1 * b; by = sin1 * b; for (int y=1; ; y++){ if (x-y-a <= 0) break; long double dx = bx + (cx - bx) * (long double)y / (long double)x; long double dy = by + (cy - by) * (long double)y / (long double)x; long double ex = bx + (cx - bx) * (long double)(y+a) / (long double)x; long double ey = by + (cy - by) * (long double)(y+a) / (long double)x; long double AD = sqrt((dx - ax) * (dx - ax) + (dy - ay) * (dy - ay)); long double AE = sqrt((ex - ax) * (ex - ax) + (ey - ay) * (ey - ay)); if (abs(hen_to_cos(b, AD, y) - hen_to_cos(c, AE, x-y-a)) < eps){ mode = true; break; } } if (mode) break; } if (mode){ cout << "Yes\n"; }else{ cout << "No\n"; } }