結果
問題 | No.955 ax^2+bx+c=0 |
ユーザー | 草苺奶昔 |
提出日時 | 2023-02-27 18:45:54 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 176 ms / 2,000 ms |
コード長 | 962 bytes |
コンパイル時間 | 290 ms |
コンパイル使用メモリ | 87,256 KB |
実行使用メモリ | 80,524 KB |
最終ジャッジ日時 | 2023-10-13 03:35:55 |
合計ジャッジ時間 | 27,078 ms |
ジャッジサーバーID (参考情報) |
judge15 / judge14 |
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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 |
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testcase_00 | AC | 157 ms
80,308 KB |
testcase_01 | AC | 160 ms
79,996 KB |
testcase_02 | AC | 162 ms
80,364 KB |
testcase_03 | AC | 162 ms
80,364 KB |
testcase_04 | AC | 167 ms
80,300 KB |
testcase_05 | AC | 165 ms
80,364 KB |
testcase_06 | AC | 165 ms
80,276 KB |
testcase_07 | AC | 162 ms
80,336 KB |
testcase_08 | AC | 162 ms
80,288 KB |
testcase_09 | AC | 161 ms
80,288 KB |
testcase_10 | AC | 165 ms
80,304 KB |
testcase_11 | AC | 164 ms
80,296 KB |
testcase_12 | AC | 163 ms
80,244 KB |
testcase_13 | AC | 164 ms
80,288 KB |
testcase_14 | AC | 165 ms
80,232 KB |
testcase_15 | AC | 172 ms
80,200 KB |
testcase_16 | AC | 165 ms
80,320 KB |
testcase_17 | AC | 168 ms
80,304 KB |
testcase_18 | AC | 168 ms
80,248 KB |
testcase_19 | AC | 163 ms
80,296 KB |
testcase_20 | AC | 166 ms
80,316 KB |
testcase_21 | AC | 162 ms
80,232 KB |
testcase_22 | AC | 168 ms
80,376 KB |
testcase_23 | AC | 167 ms
80,352 KB |
testcase_24 | AC | 166 ms
80,000 KB |
testcase_25 | AC | 170 ms
80,316 KB |
testcase_26 | AC | 164 ms
80,296 KB |
testcase_27 | AC | 167 ms
80,316 KB |
testcase_28 | AC | 165 ms
80,368 KB |
testcase_29 | AC | 165 ms
80,296 KB |
testcase_30 | AC | 168 ms
79,992 KB |
testcase_31 | AC | 168 ms
80,268 KB |
testcase_32 | AC | 169 ms
80,312 KB |
testcase_33 | AC | 175 ms
80,408 KB |
testcase_34 | AC | 176 ms
80,400 KB |
testcase_35 | AC | 162 ms
80,392 KB |
testcase_36 | AC | 161 ms
80,404 KB |
testcase_37 | AC | 161 ms
80,452 KB |
testcase_38 | AC | 163 ms
80,308 KB |
testcase_39 | AC | 164 ms
80,496 KB |
testcase_40 | AC | 159 ms
80,412 KB |
testcase_41 | AC | 164 ms
80,460 KB |
testcase_42 | AC | 162 ms
80,412 KB |
testcase_43 | AC | 166 ms
80,436 KB |
testcase_44 | AC | 165 ms
80,448 KB |
testcase_45 | AC | 164 ms
80,380 KB |
testcase_46 | AC | 164 ms
80,460 KB |
testcase_47 | AC | 161 ms
80,492 KB |
testcase_48 | AC | 161 ms
80,416 KB |
testcase_49 | AC | 166 ms
80,384 KB |
testcase_50 | AC | 165 ms
80,072 KB |
testcase_51 | AC | 162 ms
80,400 KB |
testcase_52 | AC | 164 ms
80,368 KB |
testcase_53 | AC | 166 ms
80,096 KB |
testcase_54 | AC | 164 ms
80,448 KB |
testcase_55 | AC | 169 ms
80,308 KB |
testcase_56 | AC | 167 ms
80,400 KB |
testcase_57 | AC | 165 ms
80,444 KB |
testcase_58 | AC | 164 ms
80,420 KB |
testcase_59 | AC | 162 ms
80,416 KB |
testcase_60 | AC | 169 ms
80,000 KB |
testcase_61 | AC | 161 ms
80,300 KB |
testcase_62 | AC | 162 ms
80,332 KB |
testcase_63 | AC | 169 ms
80,092 KB |
testcase_64 | AC | 165 ms
80,004 KB |
testcase_65 | AC | 165 ms
80,380 KB |
testcase_66 | AC | 166 ms
80,040 KB |
testcase_67 | AC | 163 ms
80,456 KB |
testcase_68 | AC | 162 ms
80,520 KB |
testcase_69 | AC | 162 ms
80,416 KB |
testcase_70 | AC | 163 ms
80,388 KB |
testcase_71 | AC | 164 ms
79,992 KB |
testcase_72 | AC | 164 ms
80,384 KB |
testcase_73 | AC | 163 ms
80,436 KB |
testcase_74 | AC | 162 ms
80,504 KB |
testcase_75 | AC | 164 ms
80,184 KB |
testcase_76 | AC | 167 ms
80,204 KB |
testcase_77 | AC | 161 ms
80,452 KB |
testcase_78 | AC | 164 ms
80,452 KB |
testcase_79 | AC | 166 ms
80,332 KB |
testcase_80 | AC | 165 ms
80,444 KB |
testcase_81 | AC | 166 ms
80,204 KB |
testcase_82 | AC | 172 ms
80,372 KB |
testcase_83 | AC | 167 ms
80,204 KB |
testcase_84 | AC | 163 ms
80,268 KB |
testcase_85 | AC | 167 ms
80,296 KB |
testcase_86 | AC | 164 ms
80,008 KB |
testcase_87 | AC | 170 ms
80,004 KB |
testcase_88 | AC | 168 ms
80,000 KB |
testcase_89 | AC | 165 ms
80,524 KB |
testcase_90 | AC | 162 ms
80,316 KB |
testcase_91 | AC | 162 ms
80,248 KB |
testcase_92 | AC | 170 ms
80,368 KB |
testcase_93 | AC | 162 ms
80,368 KB |
testcase_94 | AC | 166 ms
80,388 KB |
testcase_95 | AC | 163 ms
80,268 KB |
testcase_96 | AC | 164 ms
80,044 KB |
testcase_97 | AC | 167 ms
80,224 KB |
testcase_98 | AC | 162 ms
80,352 KB |
testcase_99 | AC | 163 ms
80,268 KB |
testcase_100 | AC | 163 ms
80,004 KB |
testcase_101 | AC | 162 ms
80,000 KB |
testcase_102 | AC | 166 ms
80,312 KB |
testcase_103 | AC | 167 ms
80,036 KB |
testcase_104 | AC | 166 ms
80,360 KB |
testcase_105 | AC | 164 ms
80,388 KB |
testcase_106 | AC | 164 ms
80,388 KB |
testcase_107 | AC | 167 ms
80,264 KB |
testcase_108 | AC | 167 ms
80,444 KB |
testcase_109 | AC | 165 ms
80,308 KB |
testcase_110 | AC | 166 ms
80,328 KB |
testcase_111 | AC | 164 ms
80,268 KB |
testcase_112 | AC | 164 ms
80,044 KB |
testcase_113 | AC | 163 ms
80,288 KB |
testcase_114 | AC | 165 ms
80,332 KB |
testcase_115 | AC | 164 ms
80,044 KB |
testcase_116 | AC | 164 ms
80,428 KB |
testcase_117 | AC | 169 ms
80,236 KB |
testcase_118 | AC | 165 ms
80,348 KB |
testcase_119 | AC | 164 ms
80,032 KB |
testcase_120 | AC | 165 ms
80,480 KB |
testcase_121 | AC | 164 ms
80,084 KB |
testcase_122 | AC | 163 ms
80,404 KB |
testcase_123 | AC | 164 ms
80,368 KB |
testcase_124 | AC | 162 ms
80,360 KB |
ソースコード
from math import sqrt from typing import List, Tuple def quadratic_solver(A: int, B: int, C: int) -> Tuple[int, List[float]]: """A*x^2 + B*x + C = 0 返回解的个数和解的列表(-1表示无穷多个解) """ if B < 0: A = -A B = -B C = -C if A == 0: if B == 0: if C == 0: return -1, [] # 无穷多个解 return 0, [] # 无解 return 1, [-C / B] D = B * B - 4 * A * C if D < 0: return 0, [] if D == 0: return 1, [-B / (2 * A)] res1 = (-B - sqrt(D)) / (2 * A) res2 = C / A / res1 if res1 > res2: res1, res2 = res2, res1 return 2, [res1, res2] if __name__ == "__main__": # https://yukicoder.me/problems/no/955%3E a, b, c = map(int, input().split()) n, res = quadratic_solver(a, b, c) if n == -1: print(-1) else: print(n) for x in res: print(x)