#410723 (Python3) No.955 ax^2+bx+c=0

• 問題: No.955 ax^2+bx+c=0
• ユーザー: pluto77
• 提出日時: 2019-12-20 16:44:30
• 言語: Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0)
• 結果: AC
• 実行時間: 31 ms / 2,000 ms
• コード長: 446 bytes
• コンパイル時間: 181 ms
• コンパイル使用メモリ: 12,544 KB
• 実行使用メモリ: 10,880 KB
• 最終ジャッジ日時: 2024-09-18 22:16:07
• 合計ジャッジ時間: 5,664 ms
• ジャッジサーバーID （参考情報）: judge1 / judge3

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	25 ms; 10,752 KB
testcase_01	AC	28 ms; 10,752 KB
testcase_02	AC	27 ms; 10,752 KB
testcase_03	AC	27 ms; 10,752 KB
testcase_04	AC	26 ms; 10,752 KB
testcase_05	AC	25 ms; 10,752 KB
testcase_06	AC	25 ms; 10,752 KB
testcase_07	AC	26 ms; 10,752 KB
testcase_08	AC	26 ms; 10,752 KB
testcase_09	AC	26 ms; 10,752 KB
testcase_10	AC	28 ms; 10,752 KB
testcase_11	AC	28 ms; 10,752 KB
testcase_12	AC	26 ms; 10,752 KB
testcase_13	AC	26 ms; 10,752 KB
testcase_14	AC	26 ms; 10,752 KB
testcase_15	AC	25 ms; 10,752 KB
testcase_16	AC	25 ms; 10,752 KB
testcase_17	AC	25 ms; 10,752 KB
testcase_18	AC	25 ms; 10,880 KB
testcase_19	AC	25 ms; 10,752 KB
testcase_20	AC	25 ms; 10,880 KB
testcase_21	AC	25 ms; 10,752 KB
testcase_22	AC	25 ms; 10,752 KB
testcase_23	AC	26 ms; 10,752 KB
testcase_24	AC	26 ms; 10,880 KB
testcase_25	AC	25 ms; 10,752 KB
testcase_26	AC	26 ms; 10,752 KB
testcase_27	AC	27 ms; 10,752 KB
testcase_28	AC	27 ms; 10,752 KB
testcase_29	AC	28 ms; 10,880 KB
testcase_30	AC	27 ms; 10,880 KB
testcase_31	AC	26 ms; 10,752 KB
testcase_32	AC	26 ms; 10,880 KB
testcase_33	AC	25 ms; 10,752 KB
testcase_34	AC	25 ms; 10,624 KB
testcase_35	AC	25 ms; 10,752 KB
testcase_36	AC	25 ms; 10,880 KB
testcase_37	AC	25 ms; 10,752 KB
testcase_38	AC	25 ms; 10,752 KB
testcase_39	AC	25 ms; 10,624 KB
testcase_40	AC	25 ms; 10,752 KB
testcase_41	AC	26 ms; 10,752 KB
testcase_42	AC	26 ms; 10,752 KB
testcase_43	AC	26 ms; 10,624 KB
testcase_44	AC	26 ms; 10,752 KB
testcase_45	AC	28 ms; 10,752 KB
testcase_46	AC	28 ms; 10,752 KB
testcase_47	AC	28 ms; 10,752 KB
testcase_48	AC	27 ms; 10,624 KB
testcase_49	AC	26 ms; 10,752 KB
testcase_50	AC	26 ms; 10,752 KB
testcase_51	AC	25 ms; 10,624 KB
testcase_52	AC	26 ms; 10,752 KB
testcase_53	AC	27 ms; 10,624 KB
testcase_54	AC	26 ms; 10,752 KB
testcase_55	AC	27 ms; 10,752 KB
testcase_56	AC	30 ms; 10,624 KB
testcase_57	AC	28 ms; 10,752 KB
testcase_58	AC	28 ms; 10,624 KB
testcase_59	AC	27 ms; 10,624 KB
testcase_60	AC	28 ms; 10,752 KB
testcase_61	AC	27 ms; 10,752 KB
testcase_62	AC	27 ms; 10,624 KB
testcase_63	AC	27 ms; 10,752 KB
testcase_64	AC	26 ms; 10,752 KB
testcase_65	AC	26 ms; 10,752 KB
testcase_66	AC	26 ms; 10,752 KB
testcase_67	AC	26 ms; 10,880 KB
testcase_68	AC	26 ms; 10,752 KB
testcase_69	AC	26 ms; 10,880 KB
testcase_70	AC	25 ms; 10,624 KB
testcase_71	AC	25 ms; 10,752 KB
testcase_72	AC	25 ms; 10,752 KB
testcase_73	AC	25 ms; 10,752 KB
testcase_74	AC	25 ms; 10,752 KB
testcase_75	AC	25 ms; 10,752 KB
testcase_76	AC	25 ms; 10,752 KB
testcase_77	AC	25 ms; 10,752 KB
testcase_78	AC	25 ms; 10,752 KB
testcase_79	AC	24 ms; 10,624 KB
testcase_80	AC	25 ms; 10,752 KB
testcase_81	AC	25 ms; 10,752 KB
testcase_82	AC	27 ms; 10,880 KB
testcase_83	AC	27 ms; 10,880 KB
testcase_84	AC	28 ms; 10,752 KB
testcase_85	AC	27 ms; 10,752 KB
testcase_86	AC	26 ms; 10,752 KB
testcase_87	AC	25 ms; 10,752 KB
testcase_88	AC	25 ms; 10,752 KB
testcase_89	AC	25 ms; 10,752 KB
testcase_90	AC	25 ms; 10,752 KB
testcase_91	AC	26 ms; 10,752 KB
testcase_92	AC	26 ms; 10,752 KB
testcase_93	AC	27 ms; 10,880 KB
testcase_94	AC	26 ms; 10,752 KB
testcase_95	AC	26 ms; 10,752 KB
testcase_96	AC	25 ms; 10,752 KB
testcase_97	AC	26 ms; 10,752 KB
testcase_98	AC	26 ms; 10,752 KB
testcase_99	AC	26 ms; 10,880 KB
testcase_100	AC	26 ms; 10,880 KB
testcase_101	AC	26 ms; 10,752 KB
testcase_102	AC	27 ms; 10,880 KB
testcase_103	AC	25 ms; 10,752 KB
testcase_104	AC	26 ms; 10,752 KB
testcase_105	AC	25 ms; 10,752 KB
testcase_106	AC	26 ms; 10,752 KB
testcase_107	AC	26 ms; 10,880 KB
testcase_108	AC	26 ms; 10,752 KB
testcase_109	AC	25 ms; 10,752 KB
testcase_110	AC	25 ms; 10,752 KB
testcase_111	AC	25 ms; 10,752 KB
testcase_112	AC	26 ms; 10,880 KB
testcase_113	AC	26 ms; 10,752 KB
testcase_114	AC	25 ms; 10,880 KB
testcase_115	AC	26 ms; 10,752 KB
testcase_116	AC	28 ms; 10,752 KB
testcase_117	AC	26 ms; 10,752 KB
testcase_118	AC	26 ms; 10,752 KB
testcase_119	AC	28 ms; 10,752 KB
testcase_120	AC	27 ms; 10,880 KB
testcase_121	AC	27 ms; 10,752 KB
testcase_122	AC	31 ms; 10,624 KB
testcase_123	AC	31 ms; 10,752 KB
testcase_124	AC	26 ms; 10,624 KB

ソースコード

#yuki955
import math
import sys

a,b,c=map(int,input().split())

if a==0 and b==0 and c==0:
 print(-1)
 sys.exit()
if a==0 and b==0:
 print(0)
 sys.exit()
if a==0:
 print(1)
 print(-c/b)
 sys.exit()

D=b**2-4*a*c
if D<0:
 print(0)
 sys.exit()
if D==0:
 print(1)
 print(-b/(2*a))
 sys.exit()

print(2)
if b<0:
 a,b,c=-a,-b,-c
x1=(-b-math.sqrt(D))/(2*a)
x2=(b**2-D)/(2*a)/(-b-math.sqrt(D))
if a>0:
 print(x1)
 print(x2)
else:
 print(x2)
 print(x1)