結果
問題 | No.622 点と三角柱の内外判定 |
ユーザー |
👑 |
提出日時 | 2020-03-27 16:26:48 |
言語 | D (dmd 2.109.1) |
結果 |
AC
|
実行時間 | 2 ms / 1,500 ms |
コード長 | 2,647 bytes |
コンパイル時間 | 847 ms |
コンパイル使用メモリ | 119,736 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-22 05:54:06 |
合計ジャッジ時間 | 1,551 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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ファイルパターン | 結果 |
---|---|
other | AC * 32 |
コンパイルメッセージ
Main.d(79): Warning: `int += real` is performing truncating conversion Main.d(80): Warning: `int += real` is performing truncating conversion Main.d(81): Warning: `int += real` is performing truncating conversion
ソースコード
import std.conv, std.functional, std.range, std.stdio, std.string;import std.algorithm, std.array, std.bigint, std.bitmanip, std.complex, std.container, std.math, std.mathspecial, std.numeric, std.regex, std.typecons;import core.bitop;class EOFException : Throwable { this() { super("EOF"); } }string[] tokens;string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; }int readInt() { return readToken.to!int; }long readLong() { return readToken.to!long; }real readReal() { return readToken.to!real; }bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } }bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } }int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1;(unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; }int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); }int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); }struct PT {real x, y, z;this(real x, real y, real z) {this.x = x;this.y = y;this.z = z;}PT opBinary(string op)(PT a) const {static if (op == "+") {return PT(x + a.x, y + a.y, z + a.z);} else static if (op == "-") {return PT(x - a.x, y - a.y, z - a.z);} else {static assert(false);}}PT opBinary(string op)(real k) const {static if (op == "*") {return PT(x * k, y * k, z * k);} else static if (op == "/") {return PT(x / k, y / k, z / k);} else {static assert(false);}}real dot(PT a) const {return x * a.x + y * a.y + z * a.z;}PT cross(PT a) const {return PT(y * a.z - z * a.y, z * a.x - x * a.z, x * a.y - y * a.x);}}enum O = PT(0, 0, 0);PT readPT() {const x = readReal();const y = readReal();const z = readReal();return PT(x, y, z);}void main() {try {for (; ; ) {auto A = readPT();auto B = readPT();auto C = readPT();auto D = readPT();B = B - A;C = C - A;D = D - A;const n = B.cross(C);const d = D - n * n.dot(D) / n.dot(n);debug {writeln("d = ", d);}int s;s += sgn((B - O).cross(d - O).dot(n));s += sgn((C - B).cross(d - B).dot(n));s += sgn((O - C).cross(d - C).dot(n));const ans = (abs(s) == 3);writeln(ans ? "YES" : "NO");}} catch (EOFException e) {}}