結果
問題 | No.491 10^9+1と回文 |
ユーザー | mkawa2 |
提出日時 | 2020-01-02 15:45:55 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
AC
|
実行時間 | 538 ms / 1,000 ms |
コード長 | 1,158 bytes |
コンパイル時間 | 212 ms |
コンパイル使用メモリ | 12,672 KB |
実行使用メモリ | 44,928 KB |
最終ジャッジ日時 | 2024-05-02 06:35:49 |
合計ジャッジ時間 | 51,514 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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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 | 461 ms
44,920 KB |
testcase_01 | AC | 450 ms
44,796 KB |
testcase_02 | AC | 455 ms
44,664 KB |
testcase_03 | AC | 452 ms
44,788 KB |
testcase_04 | AC | 453 ms
44,796 KB |
testcase_05 | AC | 465 ms
44,796 KB |
testcase_06 | AC | 463 ms
44,668 KB |
testcase_07 | AC | 454 ms
44,668 KB |
testcase_08 | AC | 446 ms
44,924 KB |
testcase_09 | AC | 455 ms
44,664 KB |
testcase_10 | AC | 446 ms
44,792 KB |
testcase_11 | AC | 453 ms
44,664 KB |
testcase_12 | AC | 447 ms
44,668 KB |
testcase_13 | AC | 451 ms
44,664 KB |
testcase_14 | AC | 460 ms
44,788 KB |
testcase_15 | AC | 457 ms
44,668 KB |
testcase_16 | AC | 453 ms
44,672 KB |
testcase_17 | AC | 470 ms
44,664 KB |
testcase_18 | AC | 459 ms
44,672 KB |
testcase_19 | AC | 456 ms
44,536 KB |
testcase_20 | AC | 464 ms
44,672 KB |
testcase_21 | AC | 454 ms
44,668 KB |
testcase_22 | AC | 458 ms
44,668 KB |
testcase_23 | AC | 456 ms
44,664 KB |
testcase_24 | AC | 458 ms
44,664 KB |
testcase_25 | AC | 456 ms
44,768 KB |
testcase_26 | AC | 481 ms
44,672 KB |
testcase_27 | AC | 490 ms
44,920 KB |
testcase_28 | AC | 452 ms
44,664 KB |
testcase_29 | AC | 466 ms
44,924 KB |
testcase_30 | AC | 471 ms
44,664 KB |
testcase_31 | AC | 448 ms
44,540 KB |
testcase_32 | AC | 447 ms
44,804 KB |
testcase_33 | AC | 448 ms
44,920 KB |
testcase_34 | AC | 446 ms
44,928 KB |
testcase_35 | AC | 440 ms
44,664 KB |
testcase_36 | AC | 462 ms
44,660 KB |
testcase_37 | AC | 478 ms
44,760 KB |
testcase_38 | AC | 487 ms
44,668 KB |
testcase_39 | AC | 458 ms
44,664 KB |
testcase_40 | AC | 463 ms
44,676 KB |
testcase_41 | AC | 454 ms
44,804 KB |
testcase_42 | AC | 463 ms
44,664 KB |
testcase_43 | AC | 454 ms
44,668 KB |
testcase_44 | AC | 465 ms
44,792 KB |
testcase_45 | AC | 467 ms
44,664 KB |
testcase_46 | AC | 444 ms
44,916 KB |
testcase_47 | AC | 457 ms
44,664 KB |
testcase_48 | AC | 457 ms
44,796 KB |
testcase_49 | AC | 448 ms
44,664 KB |
testcase_50 | AC | 460 ms
44,536 KB |
testcase_51 | AC | 453 ms
44,660 KB |
testcase_52 | AC | 457 ms
44,664 KB |
testcase_53 | AC | 450 ms
44,660 KB |
testcase_54 | AC | 463 ms
44,792 KB |
testcase_55 | AC | 451 ms
44,920 KB |
testcase_56 | AC | 453 ms
44,672 KB |
testcase_57 | AC | 450 ms
44,928 KB |
testcase_58 | AC | 463 ms
44,676 KB |
testcase_59 | AC | 456 ms
44,844 KB |
testcase_60 | AC | 463 ms
44,916 KB |
testcase_61 | AC | 452 ms
44,532 KB |
testcase_62 | AC | 457 ms
44,680 KB |
testcase_63 | AC | 455 ms
44,916 KB |
testcase_64 | AC | 459 ms
44,660 KB |
testcase_65 | AC | 449 ms
44,668 KB |
testcase_66 | AC | 484 ms
44,668 KB |
testcase_67 | AC | 483 ms
44,664 KB |
testcase_68 | AC | 481 ms
44,796 KB |
testcase_69 | AC | 472 ms
44,660 KB |
testcase_70 | AC | 455 ms
44,796 KB |
testcase_71 | AC | 452 ms
44,924 KB |
testcase_72 | AC | 449 ms
44,660 KB |
testcase_73 | AC | 463 ms
44,672 KB |
testcase_74 | AC | 465 ms
44,792 KB |
testcase_75 | AC | 464 ms
44,924 KB |
testcase_76 | AC | 460 ms
44,704 KB |
testcase_77 | AC | 468 ms
44,796 KB |
testcase_78 | AC | 451 ms
44,664 KB |
testcase_79 | AC | 462 ms
44,872 KB |
testcase_80 | AC | 458 ms
44,676 KB |
testcase_81 | AC | 470 ms
44,672 KB |
testcase_82 | AC | 465 ms
44,664 KB |
testcase_83 | AC | 452 ms
44,664 KB |
testcase_84 | AC | 452 ms
44,668 KB |
testcase_85 | AC | 445 ms
44,664 KB |
testcase_86 | AC | 456 ms
44,660 KB |
testcase_87 | AC | 448 ms
44,788 KB |
testcase_88 | AC | 444 ms
44,664 KB |
testcase_89 | AC | 464 ms
44,664 KB |
testcase_90 | AC | 458 ms
44,664 KB |
testcase_91 | AC | 464 ms
44,540 KB |
testcase_92 | AC | 449 ms
44,796 KB |
testcase_93 | AC | 459 ms
44,788 KB |
testcase_94 | AC | 459 ms
44,916 KB |
testcase_95 | AC | 445 ms
44,664 KB |
testcase_96 | AC | 461 ms
44,668 KB |
testcase_97 | AC | 538 ms
44,660 KB |
testcase_98 | AC | 454 ms
44,664 KB |
testcase_99 | AC | 467 ms
44,668 KB |
testcase_100 | AC | 468 ms
44,920 KB |
testcase_101 | AC | 456 ms
44,660 KB |
testcase_102 | AC | 467 ms
44,792 KB |
testcase_103 | AC | 476 ms
44,664 KB |
testcase_104 | AC | 486 ms
44,664 KB |
testcase_105 | AC | 507 ms
44,920 KB |
ソースコード
from itertools import * from bisect import * #from math import * from collections import * from heapq import * from random import * from decimal import * import numpy as np import sys sys.setrecursionlimit(10 ** 6) int1 = lambda x: int(x) - 1 p2D = lambda x: print(*x, sep="\n") def II(): return int(sys.stdin.readline()) def MI(): return map(int, sys.stdin.readline().split()) def MI1(): return map(int1, sys.stdin.readline().split()) def MF(): return map(float, sys.stdin.readline().split()) def LI(): return list(map(int, sys.stdin.readline().split())) def LI1(): return list(map(int1, sys.stdin.readline().split())) def LF(): return list(map(float, sys.stdin.readline().split())) def LLI(rows_number): return [LI() for _ in range(rows_number)] dij = [(1, 0), (0, 1), (-1, 0), (0, -1)] def main(): s=input() n=int(s) if n<10**9+1: print(0) exit() k=len(s)-9 ans=0 for i in range(1,k): fw=(i+1)//2 ans+=10**fw-10**(fw-1) #print(i,10**fw-10**(fw-1)) ans+=int(s[:(k+1)//2])-(10**((k-1)//2)-1) sym=int(s[:(k+1)//2]+s[:k//2][::-1])*1000000001 if sym>n:ans-=1 print(ans) main()