結果
問題 | No.461 三角形はいくつ? |
ユーザー | 👑 hos.lyric |
提出日時 | 2019-01-23 20:53:46 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 266 ms / 5,000 ms |
コード長 | 3,146 bytes |
コンパイル時間 | 931 ms |
コンパイル使用メモリ | 131,456 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-06-13 03:34:39 |
合計ジャッジ時間 | 6,601 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 | 1 ms
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 207 ms
5,376 KB |
testcase_06 | AC | 116 ms
5,376 KB |
testcase_07 | AC | 143 ms
5,376 KB |
testcase_08 | AC | 92 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 30 ms
5,376 KB |
testcase_11 | AC | 160 ms
5,376 KB |
testcase_12 | AC | 69 ms
5,376 KB |
testcase_13 | AC | 231 ms
5,376 KB |
testcase_14 | AC | 215 ms
5,376 KB |
testcase_15 | AC | 232 ms
5,376 KB |
testcase_16 | AC | 14 ms
5,376 KB |
testcase_17 | AC | 14 ms
5,376 KB |
testcase_18 | AC | 264 ms
5,376 KB |
testcase_19 | AC | 266 ms
5,376 KB |
testcase_20 | AC | 222 ms
5,376 KB |
testcase_21 | AC | 233 ms
5,376 KB |
testcase_22 | AC | 234 ms
5,376 KB |
testcase_23 | AC | 39 ms
5,376 KB |
testcase_24 | AC | 37 ms
5,376 KB |
testcase_25 | AC | 6 ms
5,376 KB |
testcase_26 | AC | 5 ms
5,376 KB |
testcase_27 | AC | 5 ms
5,376 KB |
testcase_28 | AC | 5 ms
5,376 KB |
testcase_29 | AC | 60 ms
5,376 KB |
testcase_30 | AC | 30 ms
5,376 KB |
testcase_31 | AC | 111 ms
5,376 KB |
testcase_32 | AC | 145 ms
5,376 KB |
testcase_33 | AC | 4 ms
5,376 KB |
testcase_34 | AC | 5 ms
5,376 KB |
testcase_35 | AC | 5 ms
5,376 KB |
testcase_36 | AC | 64 ms
5,376 KB |
testcase_37 | AC | 64 ms
5,376 KB |
testcase_38 | AC | 65 ms
5,376 KB |
testcase_39 | AC | 58 ms
5,376 KB |
testcase_40 | AC | 62 ms
5,376 KB |
testcase_41 | AC | 68 ms
5,376 KB |
testcase_42 | AC | 211 ms
5,376 KB |
testcase_43 | AC | 218 ms
5,376 KB |
testcase_44 | AC | 215 ms
5,376 KB |
ソースコード
import std.conv, std.stdio, std.string; import std.algorithm, std.array, std.bigint, std.container, std.math, std.numeric, std.range, 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(T)(in T[] as, in bool delegate(T) test) { int low = -1, upp = cast(int)(as.length); for (; low + 1 < upp; ) { int mid = (low + upp) >> 1; (test(as[mid]) ? low : upp) = mid; } return upp; } int lowerBound(T)(in T[] as, in T val) { return as.binarySearch((T a) => (a < val)); } int upperBound(T)(in T[] as, in T val) { return as.binarySearch((T a) => (a <= val)); } alias Rat = Tuple!(long, long); bool compare(in Rat a, in Rat b) { return (a[0] * b[1] < b[0] * a[1]); } Rat add(in Rat a, in Rat b) { return Rat(a[0] * b[1] + b[0] * a[1], a[1] * b[1]); } Rat sub(in Rat a, in Rat b) { return Rat(a[0] * b[1] - b[0] * a[1], a[1] * b[1]); } /* a + b >= 1, a + c >= 1, b + c >= 1 a + b + c >= 3/2 a + b + c != 2 */ int N; int[] P; long[] A, B; void main() { try { for (; ; ) { N = readInt(); P = new int[N]; A = new long[N]; B = new long[N]; foreach (i; 0 .. N) { P[i] = readInt(); A[i] = readLong(); B[i] = readLong(); } auto rs = new Rat[][3]; foreach (p; 0 .. 3) { rs[p] ~= Rat(1, 1); } foreach (i; 0 .. N) { rs[P[i]] ~= tuple(A[i], A[i] + B[i]); } rs.sort!"a.length < b.length"; foreach (p; 0 .. 3) { rs[p].sort!compare; } debug { foreach (p; 0 .. 3) { writefln("rs[%s] = %s", p, rs[p]); } } long ans; foreach (a; rs[0]) foreach (b; rs[1]) { if (!compare(add(a, b), Rat(1, 1))) { Rat lb = Rat(0, 1), tmp; tmp = sub(Rat(1, 1), a); if (compare(lb, tmp)) lb = tmp; tmp = sub(Rat(1, 1), b); if (compare(lb, tmp)) lb = tmp; tmp = sub(Rat(3, 2), add(a, b)); if (compare(lb, tmp)) lb = tmp; ans += rs[2].length - rs[2].binarySearch((Rat x) => compare(x, lb)); const c = sub(Rat(2, 1), add(a, b)); ans -= rs[2].binarySearch((Rat x) => !compare(c, x)) - rs[2].binarySearch((Rat x) => compare(x, c)); debug { writeln(a, " ", b, ": ", rs[2].binarySearch((Rat x) => compare(x, lb)), " ", rs[2].binarySearch((Rat x) => compare(x, c)), " ", rs[2].binarySearch((Rat x) => !compare(c, x))); } } } writeln(ans); } } catch (EOFException e) { } }