結果
問題 | No.308 素数は通れません |
ユーザー | chocorusk |
提出日時 | 2019-03-31 10:10:53 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,380 bytes |
コンパイル時間 | 687 ms |
コンパイル使用メモリ | 82,584 KB |
実行使用メモリ | 68,824 KB |
最終ジャッジ日時 | 2024-05-01 04:55:53 |
合計ジャッジ時間 | 7,457 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 43 ms
62,672 KB |
testcase_01 | AC | 45 ms
61,952 KB |
testcase_02 | AC | 43 ms
61,492 KB |
testcase_03 | AC | 43 ms
63,204 KB |
testcase_04 | AC | 44 ms
62,756 KB |
testcase_05 | AC | 43 ms
61,780 KB |
testcase_06 | AC | 43 ms
62,784 KB |
testcase_07 | AC | 42 ms
62,452 KB |
testcase_08 | AC | 42 ms
62,152 KB |
testcase_09 | AC | 40 ms
62,128 KB |
testcase_10 | AC | 41 ms
61,520 KB |
testcase_11 | AC | 43 ms
61,884 KB |
testcase_12 | AC | 43 ms
62,736 KB |
testcase_13 | AC | 47 ms
62,452 KB |
testcase_14 | AC | 46 ms
61,356 KB |
testcase_15 | AC | 41 ms
61,992 KB |
testcase_16 | AC | 42 ms
62,868 KB |
testcase_17 | AC | 42 ms
63,164 KB |
testcase_18 | AC | 42 ms
62,512 KB |
testcase_19 | AC | 42 ms
62,520 KB |
testcase_20 | AC | 43 ms
61,712 KB |
testcase_21 | AC | 42 ms
63,120 KB |
testcase_22 | AC | 43 ms
62,396 KB |
testcase_23 | AC | 43 ms
63,128 KB |
testcase_24 | AC | 43 ms
62,112 KB |
testcase_25 | AC | 46 ms
61,504 KB |
testcase_26 | AC | 42 ms
62,856 KB |
testcase_27 | AC | 43 ms
61,176 KB |
testcase_28 | AC | 42 ms
61,164 KB |
testcase_29 | AC | 43 ms
62,904 KB |
testcase_30 | AC | 42 ms
62,996 KB |
testcase_31 | AC | 42 ms
61,888 KB |
testcase_32 | AC | 47 ms
61,912 KB |
testcase_33 | AC | 44 ms
62,108 KB |
testcase_34 | AC | 43 ms
62,428 KB |
testcase_35 | AC | 42 ms
61,380 KB |
testcase_36 | AC | 44 ms
64,368 KB |
testcase_37 | AC | 44 ms
63,352 KB |
testcase_38 | AC | 44 ms
63,372 KB |
testcase_39 | AC | 43 ms
64,124 KB |
testcase_40 | AC | 44 ms
63,440 KB |
testcase_41 | AC | 46 ms
64,644 KB |
testcase_42 | AC | 54 ms
68,824 KB |
testcase_43 | AC | 42 ms
62,764 KB |
testcase_44 | AC | 41 ms
62,388 KB |
testcase_45 | AC | 41 ms
62,104 KB |
testcase_46 | AC | 44 ms
61,656 KB |
testcase_47 | AC | 44 ms
62,200 KB |
testcase_48 | AC | 43 ms
62,744 KB |
testcase_49 | AC | 44 ms
61,604 KB |
testcase_50 | AC | 41 ms
62,412 KB |
testcase_51 | AC | 45 ms
63,052 KB |
testcase_52 | AC | 43 ms
61,440 KB |
testcase_53 | AC | 42 ms
62,800 KB |
testcase_54 | AC | 41 ms
61,520 KB |
testcase_55 | AC | 41 ms
61,888 KB |
testcase_56 | AC | 41 ms
62,300 KB |
testcase_57 | AC | 41 ms
61,616 KB |
testcase_58 | AC | 42 ms
62,368 KB |
testcase_59 | AC | 44 ms
61,664 KB |
testcase_60 | AC | 44 ms
63,088 KB |
testcase_61 | AC | 41 ms
61,408 KB |
testcase_62 | AC | 42 ms
62,228 KB |
testcase_63 | AC | 41 ms
61,920 KB |
testcase_64 | AC | 42 ms
61,640 KB |
testcase_65 | AC | 42 ms
63,144 KB |
testcase_66 | AC | 45 ms
61,912 KB |
testcase_67 | AC | 42 ms
62,580 KB |
testcase_68 | AC | 42 ms
62,372 KB |
testcase_69 | AC | 41 ms
62,460 KB |
testcase_70 | AC | 43 ms
62,016 KB |
testcase_71 | AC | 47 ms
61,556 KB |
testcase_72 | AC | 45 ms
61,828 KB |
testcase_73 | AC | 41 ms
61,824 KB |
testcase_74 | AC | 42 ms
62,408 KB |
testcase_75 | AC | 42 ms
62,256 KB |
testcase_76 | WA | - |
testcase_77 | AC | 43 ms
61,680 KB |
testcase_78 | AC | 42 ms
61,460 KB |
testcase_79 | AC | 42 ms
61,556 KB |
testcase_80 | WA | - |
testcase_81 | WA | - |
testcase_82 | AC | 43 ms
62,076 KB |
testcase_83 | AC | 43 ms
61,748 KB |
testcase_84 | WA | - |
testcase_85 | AC | 44 ms
61,700 KB |
testcase_86 | WA | - |
testcase_87 | WA | - |
testcase_88 | AC | 42 ms
61,364 KB |
testcase_89 | AC | 43 ms
61,644 KB |
testcase_90 | WA | - |
testcase_91 | AC | 44 ms
61,780 KB |
testcase_92 | AC | 42 ms
61,856 KB |
testcase_93 | AC | 51 ms
61,796 KB |
testcase_94 | AC | 48 ms
62,688 KB |
testcase_95 | AC | 42 ms
62,484 KB |
testcase_96 | AC | 42 ms
62,492 KB |
testcase_97 | AC | 46 ms
62,200 KB |
testcase_98 | AC | 43 ms
61,272 KB |
testcase_99 | AC | 44 ms
61,556 KB |
testcase_100 | AC | 43 ms
63,384 KB |
testcase_101 | WA | - |
testcase_102 | AC | 42 ms
62,732 KB |
testcase_103 | AC | 41 ms
62,080 KB |
testcase_104 | AC | 42 ms
62,088 KB |
testcase_105 | AC | 42 ms
62,604 KB |
testcase_106 | AC | 43 ms
61,296 KB |
ソースコード
import random import sys def is_prime(n): if n == 2: return True if n == 1 or n & 1 == 0: return False d = (n - 1) >> 1 while d & 1 == 0: d >>= 1 for k in range(10): a = random.randint(1, n - 1) t = d y = pow(a, t, n) while t != n - 1 and y != 1 and y != n - 1: y = (y * y) % n t <<= 1 if y != n - 1 and t & 1 == 0: return False return True n=int(input()) used=[False for i in range(2002)] isprime=[False for i in range(2002)] for i in range(3, 2002, 2): isprime[i]=True isprime[2]=True for i in range(3, 2002): if isprime[i]: for j in range(2*i, 2002, i): isprime[j]=False def dfs(x, w): used[x]=True if x%w!=1 and (not used[x-1]) and (not isprime[x-1]): dfs(x-1, w) if x%w!=0 and x+1<=n and (not used[x+1]) and (not isprime[x+1]): dfs(x+1, w) if x>w and (not used[x-w]) and (not isprime[x-w]): dfs(x-w, w) if x+w<=n and (not used[x+w]) and (not isprime[x+w]): dfs(x+w, w) def solve(w): for i in range(1, n+1): used[i]=False dfs(1, w) return used[n] if n<=2000: for i in range(3, n): if solve(i): print(i) sys.exit() else: if n%8!=1: print(8) elif not is_prime(n-8): print(8) else: print(13)