結果

問題 No.955 ax^2+bx+c=0
ユーザー 👑 hos.lyrichos.lyric
提出日時 2019-12-18 03:01:45
言語 D
(dmd 2.109.1)
結果
AC  
実行時間 2 ms / 2,000 ms
コード長 2,277 bytes
コンパイル時間 2,448 ms
コンパイル使用メモリ 167,876 KB
実行使用メモリ 6,948 KB
最終ジャッジ日時 2024-06-22 03:45:25
合計ジャッジ時間 4,713 ms
ジャッジサーバーID
(参考情報)
judge4 / judge2
このコードへのチャレンジ
(要ログイン)

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
6,816 KB
testcase_01 AC 1 ms
6,940 KB
testcase_02 AC 1 ms
6,940 KB
testcase_03 AC 1 ms
6,940 KB
testcase_04 AC 1 ms
6,944 KB
testcase_05 AC 1 ms
6,944 KB
testcase_06 AC 1 ms
6,944 KB
testcase_07 AC 1 ms
6,944 KB
testcase_08 AC 1 ms
6,944 KB
testcase_09 AC 1 ms
6,944 KB
testcase_10 AC 1 ms
6,944 KB
testcase_11 AC 1 ms
6,944 KB
testcase_12 AC 1 ms
6,940 KB
testcase_13 AC 1 ms
6,940 KB
testcase_14 AC 1 ms
6,940 KB
testcase_15 AC 1 ms
6,940 KB
testcase_16 AC 1 ms
6,944 KB
testcase_17 AC 1 ms
6,944 KB
testcase_18 AC 1 ms
6,940 KB
testcase_19 AC 1 ms
6,940 KB
testcase_20 AC 1 ms
6,944 KB
testcase_21 AC 1 ms
6,940 KB
testcase_22 AC 1 ms
6,944 KB
testcase_23 AC 1 ms
6,944 KB
testcase_24 AC 1 ms
6,944 KB
testcase_25 AC 1 ms
6,944 KB
testcase_26 AC 1 ms
6,940 KB
testcase_27 AC 1 ms
6,940 KB
testcase_28 AC 1 ms
6,944 KB
testcase_29 AC 1 ms
6,944 KB
testcase_30 AC 1 ms
6,940 KB
testcase_31 AC 1 ms
6,940 KB
testcase_32 AC 1 ms
6,944 KB
testcase_33 AC 1 ms
6,940 KB
testcase_34 AC 1 ms
6,940 KB
testcase_35 AC 1 ms
6,944 KB
testcase_36 AC 1 ms
6,940 KB
testcase_37 AC 1 ms
6,944 KB
testcase_38 AC 1 ms
6,944 KB
testcase_39 AC 2 ms
6,940 KB
testcase_40 AC 1 ms
6,944 KB
testcase_41 AC 1 ms
6,944 KB
testcase_42 AC 1 ms
6,944 KB
testcase_43 AC 1 ms
6,944 KB
testcase_44 AC 1 ms
6,940 KB
testcase_45 AC 1 ms
6,940 KB
testcase_46 AC 2 ms
6,940 KB
testcase_47 AC 1 ms
6,944 KB
testcase_48 AC 1 ms
6,944 KB
testcase_49 AC 1 ms
6,940 KB
testcase_50 AC 1 ms
6,944 KB
testcase_51 AC 1 ms
6,940 KB
testcase_52 AC 1 ms
6,940 KB
testcase_53 AC 1 ms
6,940 KB
testcase_54 AC 2 ms
6,940 KB
testcase_55 AC 1 ms
6,948 KB
testcase_56 AC 1 ms
6,940 KB
testcase_57 AC 1 ms
6,944 KB
testcase_58 AC 1 ms
6,944 KB
testcase_59 AC 1 ms
6,940 KB
testcase_60 AC 1 ms
6,940 KB
testcase_61 AC 2 ms
6,940 KB
testcase_62 AC 1 ms
6,940 KB
testcase_63 AC 1 ms
6,940 KB
testcase_64 AC 1 ms
6,940 KB
testcase_65 AC 2 ms
6,940 KB
testcase_66 AC 1 ms
6,940 KB
testcase_67 AC 0 ms
6,944 KB
testcase_68 AC 1 ms
6,940 KB
testcase_69 AC 1 ms
6,940 KB
testcase_70 AC 1 ms
6,944 KB
testcase_71 AC 1 ms
6,944 KB
testcase_72 AC 1 ms
6,940 KB
testcase_73 AC 1 ms
6,940 KB
testcase_74 AC 1 ms
6,940 KB
testcase_75 AC 1 ms
6,940 KB
testcase_76 AC 1 ms
6,940 KB
testcase_77 AC 1 ms
6,944 KB
testcase_78 AC 1 ms
6,944 KB
testcase_79 AC 1 ms
6,944 KB
testcase_80 AC 1 ms
6,944 KB
testcase_81 AC 1 ms
6,940 KB
testcase_82 AC 1 ms
6,940 KB
testcase_83 AC 1 ms
6,940 KB
testcase_84 AC 1 ms
6,940 KB
testcase_85 AC 1 ms
6,940 KB
testcase_86 AC 1 ms
6,940 KB
testcase_87 AC 1 ms
6,944 KB
testcase_88 AC 1 ms
6,940 KB
testcase_89 AC 1 ms
6,940 KB
testcase_90 AC 1 ms
6,940 KB
testcase_91 AC 1 ms
6,940 KB
testcase_92 AC 2 ms
6,940 KB
testcase_93 AC 1 ms
6,944 KB
testcase_94 AC 1 ms
6,940 KB
testcase_95 AC 1 ms
6,944 KB
testcase_96 AC 1 ms
6,944 KB
testcase_97 AC 1 ms
6,944 KB
testcase_98 AC 1 ms
6,940 KB
testcase_99 AC 1 ms
6,940 KB
testcase_100 AC 2 ms
6,944 KB
testcase_101 AC 2 ms
6,940 KB
testcase_102 AC 1 ms
6,944 KB
testcase_103 AC 1 ms
6,944 KB
testcase_104 AC 1 ms
6,944 KB
testcase_105 AC 1 ms
6,940 KB
testcase_106 AC 1 ms
6,940 KB
testcase_107 AC 1 ms
6,940 KB
testcase_108 AC 1 ms
6,944 KB
testcase_109 AC 1 ms
6,940 KB
testcase_110 AC 1 ms
6,944 KB
testcase_111 AC 1 ms
6,944 KB
testcase_112 AC 1 ms
6,940 KB
testcase_113 AC 2 ms
6,944 KB
testcase_114 AC 2 ms
6,940 KB
testcase_115 AC 1 ms
6,940 KB
testcase_116 AC 2 ms
6,944 KB
testcase_117 AC 1 ms
6,944 KB
testcase_118 AC 1 ms
6,944 KB
testcase_119 AC 1 ms
6,944 KB
testcase_120 AC 1 ms
6,944 KB
testcase_121 AC 1 ms
6,944 KB
testcase_122 AC 1 ms
6,940 KB
testcase_123 AC 1 ms
6,940 KB
testcase_124 AC 1 ms
6,944 KB
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

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 A = readLong();
const B = readLong();
const C = readLong();
const a = cast(real)(A);
const b = cast(real)(B);
const c = cast(real)(C);
if (A != 0) {
const D = B * B - 4 * A * C;
if (D > 0) {
const d = sqrt(cast(real)(D));
real[] ts;
if (B >= 0) {
ts ~= (-b - d) / (2.0L * a);
ts ~= cast(real)(4 * A * C) / (2.0L * a * (-b - d));
} else {
ts ~= cast(real)(4 * A * C) / (2.0L * a * (-b + d));
ts ~= (-b + d) / (2.0L * a);
}
ts.sort;
writeln(2);
writefln("%.15f", ts[0]);
writefln("%.15f", ts[1]);
} else if (D == 0) {
writeln(1);
writefln("%.15f", -b / (2.0L * a));
} else {
writeln(0);
}
} else if (B != 0) {
writeln(1);
writefln("%.15f", -c / b);
} else if (C != 0) {
writeln(0);
} else {
writeln(-1);
}
}
} catch (EOFException e) {
}
}
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