結果
問題 | No.955 ax^2+bx+c=0 |
ユーザー | 37zigen |
提出日時 | 2019-12-18 00:58:51 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,094 bytes |
コンパイル時間 | 1,873 ms |
コンパイル使用メモリ | 79,936 KB |
実行使用メモリ | 56,280 KB |
最終ジャッジ日時 | 2024-07-07 00:05:50 |
合計ジャッジ時間 | 17,361 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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 | 99 ms
53,044 KB |
testcase_01 | AC | 99 ms
52,872 KB |
testcase_02 | AC | 92 ms
52,852 KB |
testcase_03 | AC | 93 ms
52,848 KB |
testcase_04 | AC | 107 ms
54,448 KB |
testcase_05 | AC | 106 ms
54,328 KB |
testcase_06 | AC | 104 ms
54,052 KB |
testcase_07 | AC | 111 ms
54,300 KB |
testcase_08 | AC | 108 ms
54,040 KB |
testcase_09 | AC | 98 ms
53,428 KB |
testcase_10 | AC | 107 ms
53,884 KB |
testcase_11 | AC | 96 ms
53,168 KB |
testcase_12 | AC | 111 ms
54,336 KB |
testcase_13 | AC | 93 ms
52,876 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 | 110 ms
54,312 KB |
testcase_25 | AC | 108 ms
54,012 KB |
testcase_26 | AC | 96 ms
53,244 KB |
testcase_27 | AC | 110 ms
54,232 KB |
testcase_28 | AC | 108 ms
54,220 KB |
testcase_29 | AC | 97 ms
54,256 KB |
testcase_30 | AC | 111 ms
54,000 KB |
testcase_31 | AC | 97 ms
53,072 KB |
testcase_32 | AC | 124 ms
54,276 KB |
testcase_33 | AC | 99 ms
53,252 KB |
testcase_34 | AC | 99 ms
53,332 KB |
testcase_35 | AC | 111 ms
54,112 KB |
testcase_36 | AC | 98 ms
52,840 KB |
testcase_37 | AC | 110 ms
53,840 KB |
testcase_38 | AC | 104 ms
52,972 KB |
testcase_39 | AC | 98 ms
53,144 KB |
testcase_40 | AC | 110 ms
54,304 KB |
testcase_41 | AC | 113 ms
54,144 KB |
testcase_42 | AC | 101 ms
52,972 KB |
testcase_43 | AC | 110 ms
54,404 KB |
testcase_44 | AC | 114 ms
54,280 KB |
testcase_45 | AC | 109 ms
54,220 KB |
testcase_46 | AC | 108 ms
54,196 KB |
testcase_47 | AC | 110 ms
54,400 KB |
testcase_48 | AC | 111 ms
54,428 KB |
testcase_49 | AC | 102 ms
53,272 KB |
testcase_50 | AC | 96 ms
52,884 KB |
testcase_51 | AC | 117 ms
54,416 KB |
testcase_52 | AC | 112 ms
53,252 KB |
testcase_53 | AC | 112 ms
54,188 KB |
testcase_54 | AC | 109 ms
54,048 KB |
testcase_55 | AC | 113 ms
54,324 KB |
testcase_56 | AC | 110 ms
54,284 KB |
testcase_57 | AC | 110 ms
54,428 KB |
testcase_58 | AC | 100 ms
53,272 KB |
testcase_59 | AC | 102 ms
53,260 KB |
testcase_60 | AC | 107 ms
53,972 KB |
testcase_61 | AC | 100 ms
53,232 KB |
testcase_62 | AC | 113 ms
54,484 KB |
testcase_63 | AC | 109 ms
54,128 KB |
testcase_64 | AC | 109 ms
54,352 KB |
testcase_65 | AC | 101 ms
53,008 KB |
testcase_66 | AC | 98 ms
53,008 KB |
testcase_67 | AC | 96 ms
52,864 KB |
testcase_68 | AC | 109 ms
54,316 KB |
testcase_69 | AC | 110 ms
54,464 KB |
testcase_70 | AC | 104 ms
52,932 KB |
testcase_71 | AC | 108 ms
54,024 KB |
testcase_72 | AC | 110 ms
53,228 KB |
testcase_73 | AC | 107 ms
53,276 KB |
testcase_74 | AC | 101 ms
52,996 KB |
testcase_75 | AC | 105 ms
53,836 KB |
testcase_76 | AC | 106 ms
53,976 KB |
testcase_77 | AC | 101 ms
53,116 KB |
testcase_78 | AC | 108 ms
54,016 KB |
testcase_79 | AC | 115 ms
54,372 KB |
testcase_80 | AC | 119 ms
54,292 KB |
testcase_81 | AC | 101 ms
53,260 KB |
testcase_82 | AC | 106 ms
54,200 KB |
testcase_83 | AC | 109 ms
53,160 KB |
testcase_84 | AC | 116 ms
54,340 KB |
testcase_85 | AC | 113 ms
54,204 KB |
testcase_86 | AC | 111 ms
54,572 KB |
testcase_87 | AC | 107 ms
54,312 KB |
testcase_88 | AC | 108 ms
54,116 KB |
testcase_89 | AC | 110 ms
54,180 KB |
testcase_90 | AC | 103 ms
53,812 KB |
testcase_91 | AC | 98 ms
53,144 KB |
testcase_92 | AC | 99 ms
53,180 KB |
testcase_93 | AC | 108 ms
53,116 KB |
testcase_94 | AC | 99 ms
53,056 KB |
testcase_95 | AC | 110 ms
54,192 KB |
testcase_96 | AC | 96 ms
52,844 KB |
testcase_97 | AC | 96 ms
54,484 KB |
testcase_98 | AC | 98 ms
53,288 KB |
testcase_99 | AC | 99 ms
52,892 KB |
testcase_100 | AC | 92 ms
52,780 KB |
testcase_101 | AC | 97 ms
53,220 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 | 103 ms
53,020 KB |
testcase_123 | AC | 111 ms
54,388 KB |
testcase_124 | AC | 116 ms
54,428 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)); System.out.println(BigDecimal.valueOf(-b).add(sqrt(new BigDecimal(DD), 50)) .divide(BigDecimal.valueOf(2 * a), BigDecimal.ROUND_HALF_UP));// (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; } }