結果
問題 | No.1200 お菓子配り-3 |
ユーザー |
👑 |
提出日時 | 2020-08-28 22:39:45 |
言語 | D (dmd 2.109.1) |
結果 |
WA
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 2,787 bytes |
コンパイル時間 | 741 ms |
コンパイル使用メモリ | 120,452 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-22 08:28:03 |
合計ジャッジ時間 | 21,238 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 29 WA * 2 |
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)); }void main() {try {for (; ; ) {const numCases = readInt();foreach (caseId; 0 .. numCases) {long X = readLong();long Y = readLong();if (X > Y) {swap(X, Y);}long ans;if (X == Y) {/*B = CX = (A + 1) B*/void check0(long d) {if (d > 1) {debug {writeln([d - 1, X / d, X / d]);}++ans;}}for (long d = 1; d^^2 <= X; ++d) {if (X % d == 0) {check0(d);if (d != X / d) {check0(X / d);}}}} else {/*Y - X = (A - 1) (C - B)[ A 1 ] [ B ] = [ X ][ 1 A ] [ C ] [ Y ]*/void check(long d) {const a = d + 1;const denom = a^^2 - 1;const numerB = a * X - Y;const numerC = a * Y - X;if (numerB > 0 && numerC > 0 && numerB % denom == 0 && numerC % denom == 0) {debug {writeln([a, numerB / denom, numerC / denom]);}++ans;}}for (long d = 1; d^^2 <= Y - X; ++d) {if ((Y - X) % d == 0) {check(d);if (d != (Y - X) / d) {check((Y - X) / d);}}}}writeln(ans);}}} catch (EOFException e) {}}