結果
問題 | No.955 ax^2+bx+c=0 |
ユーザー | 37zigen |
提出日時 | 2019-12-18 01:05:05 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,126 bytes |
コンパイル時間 | 2,119 ms |
コンパイル使用メモリ | 79,988 KB |
実行使用メモリ | 56,464 KB |
最終ジャッジ日時 | 2024-07-07 00:06:58 |
合計ジャッジ時間 | 20,531 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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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 | 125 ms
41,268 KB |
testcase_01 | AC | 123 ms
41,008 KB |
testcase_02 | AC | 117 ms
40,400 KB |
testcase_03 | AC | 119 ms
41,436 KB |
testcase_04 | AC | 125 ms
41,248 KB |
testcase_05 | AC | 124 ms
41,484 KB |
testcase_06 | AC | 123 ms
41,296 KB |
testcase_07 | AC | 128 ms
41,612 KB |
testcase_08 | AC | 127 ms
41,892 KB |
testcase_09 | AC | 127 ms
41,188 KB |
testcase_10 | AC | 127 ms
41,284 KB |
testcase_11 | AC | 128 ms
41,348 KB |
testcase_12 | AC | 123 ms
41,496 KB |
testcase_13 | AC | 120 ms
41,384 KB |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | AC | 126 ms
41,616 KB |
testcase_25 | AC | 122 ms
41,244 KB |
testcase_26 | AC | 126 ms
41,820 KB |
testcase_27 | AC | 128 ms
41,416 KB |
testcase_28 | AC | 129 ms
41,180 KB |
testcase_29 | AC | 129 ms
41,324 KB |
testcase_30 | AC | 126 ms
41,316 KB |
testcase_31 | AC | 124 ms
41,296 KB |
testcase_32 | AC | 125 ms
41,396 KB |
testcase_33 | AC | 126 ms
41,592 KB |
testcase_34 | AC | 131 ms
41,408 KB |
testcase_35 | AC | 130 ms
41,520 KB |
testcase_36 | AC | 128 ms
41,380 KB |
testcase_37 | AC | 125 ms
41,396 KB |
testcase_38 | AC | 126 ms
41,380 KB |
testcase_39 | AC | 129 ms
41,744 KB |
testcase_40 | AC | 126 ms
41,384 KB |
testcase_41 | AC | 133 ms
41,380 KB |
testcase_42 | AC | 130 ms
41,360 KB |
testcase_43 | AC | 133 ms
41,596 KB |
testcase_44 | AC | 126 ms
41,532 KB |
testcase_45 | AC | 127 ms
41,316 KB |
testcase_46 | AC | 133 ms
41,172 KB |
testcase_47 | AC | 128 ms
41,032 KB |
testcase_48 | AC | 129 ms
41,544 KB |
testcase_49 | AC | 131 ms
41,288 KB |
testcase_50 | AC | 127 ms
41,456 KB |
testcase_51 | AC | 125 ms
41,556 KB |
testcase_52 | AC | 121 ms
40,532 KB |
testcase_53 | AC | 130 ms
41,448 KB |
testcase_54 | AC | 117 ms
41,440 KB |
testcase_55 | AC | 132 ms
41,428 KB |
testcase_56 | AC | 130 ms
41,600 KB |
testcase_57 | AC | 129 ms
41,308 KB |
testcase_58 | AC | 124 ms
40,300 KB |
testcase_59 | AC | 128 ms
41,636 KB |
testcase_60 | AC | 126 ms
41,288 KB |
testcase_61 | AC | 123 ms
41,536 KB |
testcase_62 | AC | 127 ms
41,476 KB |
testcase_63 | AC | 126 ms
41,324 KB |
testcase_64 | AC | 123 ms
41,612 KB |
testcase_65 | AC | 123 ms
41,588 KB |
testcase_66 | AC | 122 ms
41,108 KB |
testcase_67 | AC | 132 ms
41,260 KB |
testcase_68 | AC | 120 ms
41,116 KB |
testcase_69 | AC | 121 ms
40,440 KB |
testcase_70 | AC | 134 ms
41,476 KB |
testcase_71 | AC | 123 ms
41,504 KB |
testcase_72 | AC | 121 ms
41,440 KB |
testcase_73 | AC | 126 ms
41,808 KB |
testcase_74 | AC | 128 ms
41,376 KB |
testcase_75 | AC | 124 ms
41,240 KB |
testcase_76 | AC | 124 ms
41,536 KB |
testcase_77 | AC | 126 ms
41,496 KB |
testcase_78 | AC | 127 ms
41,660 KB |
testcase_79 | AC | 131 ms
41,584 KB |
testcase_80 | AC | 128 ms
41,452 KB |
testcase_81 | AC | 131 ms
41,400 KB |
testcase_82 | AC | 126 ms
41,576 KB |
testcase_83 | AC | 129 ms
41,592 KB |
testcase_84 | AC | 110 ms
41,036 KB |
testcase_85 | AC | 125 ms
41,724 KB |
testcase_86 | AC | 128 ms
41,128 KB |
testcase_87 | AC | 125 ms
41,368 KB |
testcase_88 | AC | 124 ms
41,544 KB |
testcase_89 | AC | 126 ms
41,048 KB |
testcase_90 | AC | 125 ms
41,144 KB |
testcase_91 | AC | 134 ms
41,412 KB |
testcase_92 | AC | 117 ms
41,504 KB |
testcase_93 | AC | 126 ms
41,396 KB |
testcase_94 | AC | 126 ms
41,364 KB |
testcase_95 | AC | 127 ms
41,376 KB |
testcase_96 | AC | 126 ms
41,156 KB |
testcase_97 | AC | 126 ms
41,456 KB |
testcase_98 | AC | 109 ms
41,600 KB |
testcase_99 | AC | 124 ms
41,260 KB |
testcase_100 | AC | 124 ms
41,260 KB |
testcase_101 | AC | 128 ms
41,260 KB |
testcase_102 | WA | - |
testcase_103 | WA | - |
testcase_104 | WA | - |
testcase_105 | WA | - |
testcase_106 | WA | - |
testcase_107 | WA | - |
testcase_108 | WA | - |
testcase_109 | WA | - |
testcase_110 | WA | - |
testcase_111 | WA | - |
testcase_112 | WA | - |
testcase_113 | WA | - |
testcase_114 | WA | - |
testcase_115 | WA | - |
testcase_116 | WA | - |
testcase_117 | WA | - |
testcase_118 | WA | - |
testcase_119 | WA | - |
testcase_120 | WA | - |
testcase_121 | WA | - |
testcase_122 | AC | 110 ms
41,540 KB |
testcase_123 | AC | 125 ms
41,428 KB |
testcase_124 | AC | 130 ms
41,780 KB |
ソースコード
import java.math.BigDecimal; import java.math.MathContext; import java.util.*; import java.io.*; import java.math.*; class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); long a = sc.nextLong(); long b = sc.nextLong(); long c = sc.nextLong(); // for (long a = -10; a <= 10; ++a) // for (long b = -10; b <= 10; ++b) // for (long c = -10; c <= 10; ++c) new Main().run(a, b, c); } void run(long a, long b, long c) { if (a < 0) { a *= -1; b *= -1; c *= -1; } if (a == 0 && b == 0 && c == 0) {// 0x^2+0x+0=0 System.out.println(-1); return; } else if (a == 0 && b == 0 && c != 0) {// 0x^2+0x+c=0 System.out.println(0); } else if (a == 0) {// 0x^2+bx+0=0 System.out.println(1); System.out.println((double) c / a); } else if (a != 0) { long DD = b * b - 4 * a * c; if (DD < 0) { System.out.println(0); } else if (DD == 0) { System.out.println(1); System.out.println((double) (-b) / (2 * a)); } else { System.out.println(2); System.out.println(BigDecimal.valueOf(-b).subtract(sqrt(new BigDecimal(DD), 50)) .divide(BigDecimal.valueOf(2 * a), BigDecimal.ROUND_HALF_UP).toPlainString()); System.out.println(BigDecimal.valueOf(-b).add(sqrt(new BigDecimal(DD), 50)) .divide(BigDecimal.valueOf(2 * a), BigDecimal.ROUND_HALF_UP).toPlainString());// (double)(-b+Math.sqrt(DD))/(2*a)); } } // BigDecimal s2_50 = sqrt(new BigDecimal(2), 50); // System.out.println(s2_50); // System.out.println(s2_50.multiply(s2_50)); } void tr(Object... objects) { System.out.println(Arrays.deepToString(objects)); } public static BigDecimal sqrt(BigDecimal a, int scale) { // とりあえずdoubleのsqrtを求める BigDecimal x = new BigDecimal(Math.sqrt(a.doubleValue()), MathContext.DECIMAL64); if (scale < 17) return x; BigDecimal b2 = new BigDecimal(2); for (int tempScale = 16; tempScale < scale; tempScale *= 2) { // x = x - (x * x - a) / (2 * x); x = x.subtract(x.multiply(x).subtract(a).divide(x.multiply(b2), scale, BigDecimal.ROUND_HALF_EVEN)); } return x; } }