【第四关】

题目

http://findakey.sinaapp.com/ Example: String1:FFFF8 5080D D0807 9CBFC E4A04 24BC6 6C840 49B5C 49254 49244 CDF7C 84100 BFC1C A4790 800F6 9EE84 92A9F F2295 23E91 601F1 String2:hikicaicifamilabmhfdyrwuovuxyszpyrxtyxyughjggdbmcbdhdfdbmedmxprxwxqyywwpnzpsqtyvdlcgehhmbgfcefffcclaqrxvrpqyrzvvwppttnusjicgjbbljgggfeflkdcjvstxwwtotryrxsxtvqrubkkeegcikfhkdlefkdfbzttooxvryuvrwsxuuoyqhehljjlgciibgjefjjcfurwxrppnyxqutvwyxrnpkhkihlcejlelikfffabgxzyszvstqyrwtnxwpxvxegegamjbjdcglddlibbgurxvyuqnpzzppwwzyzxthfikjfjbcihkmgghjkemrupzznxsprvsosvxpqhficbkldkcbkfkfbgmbgwtvsxoxvrpuwwqvzvwsr Key:hikiugxwxhpjbweojjplcejlyrwtlpmhjkemvsqfbgwqvzr -------------------------------------------------------------------------------- Quiz:Give me a correct key -------------------------------------------------------------------------------- String1: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 String2:fffcckfeibacflflidchbddaikmhegafdkbdbjgkccfjijalhbbbddljibgjjbeiiifjflibcjkcikeikfhdjkchimakkfiemaljgcgfefgbeidcchbmdhefbejfffhidjcakjjhljbjmikehbmbilgfbfhehhkldclegadmghkcglkmfljfllhijkiimdebgmjlkfbedflidijfcegkbjhihhdibbcddjkkglbfeakimccagacbfhjhcddfkklffglifdcfkjghakkcdmdglkdbdidckbedclffhdkiblkeedlflehlbgbfkihgjjbbbiblgcgchehhmhflelgfbhfelcibmdlheijkefkhcighcklajecffialjfahefbdccbljjfkdjfebehdhbekfbclgilijggkagdfmhhdggbfbmaecdaljdlcjjhghbeddkmiidmdjfkbdfhkgmkigfhfgeleijdhfjjekabclegfelbiljbgkicbkcjellgeafedmbleibmkhigbcfikgkhihjbleglmeeelihbfhdiclgjiejkfjkadjicjledicdihchhbhiekjjhllbeefkkbfemkfglefichdeijedacfbgldhhajfgfgikkfcfbfgimkhljfkhbgdbbdbjgdemejdeleebikmfljlijcamflbghcbmbgfdfdfigffiakgcccblbcefddbidamdbkllceaacedhicdeclkkmidbllhgbhdcjgegecbmflcdljjidcadfjejakcmdjlkdmjfkjakcehkbgikbiijedhlfbchlijhbgeliljhhjkgjhbiceiiiagcbkdgcelfcleeledgbcifgcgkcgihkjcjeicfaceajkmihhihlhbcdhkcjjilljlchcehedkfjjieakmilkdbkjehbkilakgjkhalifccflcbbgggalghjdcljkckabhcjmggljgbmkgicafeglegdjddffjbcchkcdbdafkmmigjafghijcfifkcbebdedellkgmjkflbcffliehbehcimccllhidbcdggahjcddgjafedfkiiejgdjicbejehaleddfeblajlccfejijdgfglhdkaffdlcbhgaclffjheliclkgfklmlllehehicbkmbakhhgfhlfilhfgeekffmcbibmhfceaiglicbhllflccbeeefghhbihglcllimeeehblegiffelbfmbjaihifjfjcbckejmgabehkhgjlfcfdeieegkciiihdhgcelfhdgjjliflldkfljbeljkgdghmhmikglcfglcegmbbmbefgfjjmfcbdlfmjfgdlecekalkachbmiiihjbgkhkfdjljhcjflmggelihgiccflkbfbcilehllebckfbhbbkdkbblciacfmikcjalllddgehfmehfidgibibfikdeghfjkbjiamlicbgelkjkajdcfabaigabddalmfcllgcekfdcihlgheikfffcclbjhchbhafiddaehgbilgiicmbhmmhijegjmfaidmfmkfijkghacehjjlbjgckihgjdlkjdkhjlchadlkbjfhemimglfclgkbjekicjmheddhimabffgdlbcggmlhemfmicchijebgajdcehaebjadhgjmecfhjicdahahgeghgbkfdlaifjkkgfgghcijdlbchllbbekheamfajcbeagjehlkfggceeimldglailhcjkcifjihkkmigfhfelkkelajkbejagglfebldigkffdijgagjegiidgcikfihlcbkmacjbfjiimdblfgidemdjdhikchggklakhlkjeafkeldkfbbmjicbehmffggbehjdfdhdfciihdijjgjghlgdkihafkmhebhjmmhciiibejjlbddfcgdhgikeficbldidicgeaagkiikkcddabifiafacgmkbdgidjbkleghbijdgfabcbifgifecjjhjajijmfkbjjhjgfakeifjbkligjekllbcbblldebebhablhjklkclfkgheidkifehlcadjcljchbhledeckbbgjlhhkgigcbhebcbjfkcggkgbflkbakihjhmhdehefffhdcbghdjblklgbkhmmbjcecibgfeflblkhidgkbbfbjiihgjilccimffmgekdedfemmbcdkemhbfiaifgalhljggbhbhdhdkkimibkkmmgiflhgdkhffmcdllbcfcjeijlakdjlfjfafkahegjflbibjedljfbhlfcgfedbfhmkajacbcmmmeigmfgmjfbckkgfbbjhheielffcdciijmkhcciiclfhhcgdcjccbilkleedecjggehelkhhildjcbkdfhiibeccfhcbedlbejeccjbfgbjlikkfcheiblfbbkkcblacbffcifleffkelbfidbbkehbfmheebcdiibbkddfefcejmbicchgljelgfjjcdifaglejibagfjaadkgmeilbfbbljgdcclidhiceedjegjeahbaaebjhdjbammlfkkmilimfikabdjccmldlhcmhggldgaegdaif***iddfdckjgbadkbmdglgijidhdfbbkbfdlajkfhgcjglhijhhlajeelbdkahkagigldikejcglfalcmmbgkmjkhjieehcdiibakfaaciaakjdaikfcfhgfkfehcfclekihlbflbclbiiidjkfelgbbblgggdlbaglelfelffjcemcjlehecicbbdmclgffkcjjcfgbjdmcchcecfbeliiijaggeglkdjlghhbhjjicjlfghjgcijciecccfjfdehcbflfghjejddbfkmhbkfbfekhhiaiiiddhhamfagibcgibiihhbgkdbdhfdhabgbjblglicgicaimcdldlhdhcfegcgfjfebalbbhgbhkbibighcgicfgkhegghfiakghfdmilbfffkimdggibbddhhcdeehblfcahfllbjdijfiifbfkjgmkfgdidbjggbljjijilceidgbbbhjaglfgjdggjfjfmgekebcijkkhcjbimegblajafeicggffakelbgjigggckgaihigleiidmgiadelcjmjeijkicmigmgdbbkbfjdjiiiigbaggdigellhebcccdbjkiiiabccjlakcddilhjecdbfgkeehkjblgmkljjdifiicklkiehheegkcflfdelbicifdgbcfmbglkiekiekclfafiagickldchdbeigbhgfkjfiidigcdibcejkgbkfaacehlfiaffcklejdgdegaclegeiiilgidafmbabbdigdhkgjgdljgcbbeablfeagiihlghmcflelgadjiiiicdbiefkichbjckecmbakehdmdcgehejiaeabbafbbjlbjljceagfcljihidjkhgajcmeadlbblkbcdlfelmfkjmfhecicaklkhfigeiclkgijfijeiegclciicbagfhbabbgmiimebjdkbgkchcjeedigiebbbjciijjkdhijcbbkjlbiciggccifcckkdidcfjilaahiklllkghcjbgkgkfgefhgbbehhbfkdigleikbcelbgmghfijfdfhdedihbgfdeckiijcahbmblklkjkbjlccdbhigmgjccklbhieijligcdajiihkglckgiejccgbcldlfklkhicibbklhcegehejidgmldlallcjddibahbjkibbeiblkkbhggkmicfhcfeghhjhgacljkgehfdgidagjidkklbkjhkalfbbcdcffhclkijkeigdekdjaelljkihjkildeldjggjaabdgbkilagbefccfibblejchcelklmgkjmcjdjkljbidfcfllhabhllleihfcjlciecbbiaecgkefjjcafcablfcckadhgimehkbckhfeebgbcafkhdffdjfijhalcclbhfdmjdaagbgddahdjjefbjagdifkkijgmcfghlecmefmgmfjghdihejjgkcjlcjhefcjflfgdakdglcdllcemeeflcbdlggcmgahdcdcfdhbdffdefffljieljelaihiladebkdleakhjbmiebcjeddilhiialcikjdgbceiblmlmefgaddidfkbddmkgcmbgddedllkjdcahdimjgkllabhfifkkiglkmdlcjcmdjcdfhgghlfjhmdfldefbbhmakmldlkfkmkebeblhfkjfjjelaiclhiiggcghhlccellhfmhkjemgkkleehdcffikffjdihifljdddkmfmhhcbdigfibibechlkjbjbelhhciebkfgcgjchddjckkbhimfdfafldgaljegdfahggdgjiakhmkhfmgdhhciflblejkcbjilhkfjdjmfgehmejjdekcjgbcmcbebdjfafkfgggehejhgbhidhbibkgahkecjmkejfebihkkebdefhdkjlhiijbibdbgjgcihbhkiljjgghijjbdfbbdgdehdgmiejflhbcbbilkhbbggfbcadmmdcicjgdgdkhjcfebkmfjcbdmfkhcdbkkekemcjdmekacgmjkhhcigjcghhkiikilcijjcblmcjbfiblcdiclbjcgeieifhgfjdejajfgfdgclkicdfkgkgllmffgbmmfekhaaecbfjhdklkckhgkg***lhkljmdgeejigiecchbcidjbkbmamljhfkfigamkjjkhcfjfcjighlbecbamcfkbkhamigegiejhckceljiiflhikhfcahklmgakbmkdkmgfbgbbdgkmbfkalidhkaidcfghahdllfdgiikkfkjbkdfjjdcelkiggmgjeiimgdccmeghlmimaibggjdhalemkdgfffcdkladlfmhcfligfdgefmkjbfhhhbhkebbfjfjjfhghlbdjjakkhdji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分析

示例中String1长度100，String2长度400。由于String为16进制，猜想其对应二进制与String2存在某种联系。于是用下面一段程序对String1进行转换。

讯享网#include<stdio.h> int main() { char code[16][5]={"0000","0001","0010","0011","0100", "0101","0110","0111","1000", "1001","1010","1011","1100","1101","1110","1111"}; FILE *fp = fopen("string1","r"); int ch; int i = 0; while((ch = fgetc(fp)) != EOF){ if('0' <= ch && ch <= '9') printf("%s",code[ch-48]); else if(ch >= 'A' && ch <= 'Z') printf("%s",code[ch-'A'+10]); i++; if( i%32 == 0 ) printf("\n"); } fclose(fp); printf("\n"); return 0; }

得到结果，与String2作对比，Key只有47位，无法猜到其对应关系。

本人只做到了这里，后来看了别人解题才接着完成了后面的内容，所以直接上解题思路。

将400个元素变换成20*20阶的矩阵，如下图所示。

讯享网

String1的20*20阶矩阵为一个迷宫

迷宫的路径对应String2的字符为Key

与示例中给出的Key相同。

需要求解的String1长度为4096，String2长度为16384，迷宫矩阵大小为128*128

此题的迷宫算法及求解Key源码在github上：https://github.com/rainmote/mote/tree/master/maze

下图是运行结果

最终得到Key：

fffckjjhljbjlfhbljekbahlbdkmcjdclfkgheidkkjjggehelkhhffgdbfciaakjdaikfcllcifibblccjifiicklkiehheegkcflfdelbicifdgbcfmbglkiekibbeefmcgdibbkhflljghjfgiladfamlalghfdjjbdeijkclbhcgfjcicjiidjkhcjhehccihdgkgmggbaiahgbdcdbemljjafkiafigkjkkdfkgfeibldfihlihlcclekhfejaeckikdifdlljiddfemgbelihlbiffgaflmkdjgeddgbameifmjmgeflbgjfeeglcgjgkjhgbbdfkiddcmgmhbhhliaikhmjkkbkfdiegcfehejjighgjiicihgkehdgjbfkkdfjgjdajdjcbbhgeglccifhdcfmdiacchcmdehldkclggeiejebcfacjbgjehb

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