triangl5.in

ACM国际大学生程序设计竞赛(英文全称:ACM International Collegiate Programming Contest（ACM-ICPC或ICPC）是由美国计算机协会（ACM）主办的

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ZFERVEAVOMLDUWCPUFMKNWWWWSUIAPHBMFCRWIHMXSKCVGAJXWLGKJQLQTVLNQIGKSREYAIXMNWRKPDZMDIPVMDMDIRVWEETHIGB
XRCRAQPUEXVQMUTEJXNWSWWWWHPCICCCCCCJKOXRTZJCKHXGKCNNNFFKZNPJJUXRONYFAZMZFVCLBZJSWVKRHWEJKCZAECBQHUDS
KMNCYIYHUWKNHSILLZJPSWWWWMEIKCCCCCCMJMBEZOLXVPKHVPHQWGQBMVWFZRSGXGMJVPAKFMNGOPIOTSEYLSOONTXOPVLAYATX
GQYUBCJWFYPZUKAAPUZZMWWWWNTYHCCCCCCEDZDIEKMCJHHBHVGJPBGKBTKASNLSACGNUQGVMLBRRLGPJCWPVARRWJVUXCGNNNNN
TULKEXMDYQPCLASDFCZZJQLOHSKCSCCCCCCZFULSZLATCPPXPUIQWHGBJAIXEBWJEGMXKDDQHKOWVETTREJHYKFGAWVAENHQNNNN
OOMUESGEWXECGXRDKLLUXKXOAWPBBCCCCCCKYXPQKDCZPPPPPPPPNZHKRMBCTDWFOEPQYZGAGFZYVDNHPNIIUCRXBKXMKUCRNNNN
WHDXVCGYKWUYCAHSGKCCRARZSSOBBCCCCCCIROJIKCHUPPPPPPPPNOARNIHOFNXLQHOSFMRIPNLDNUSFLZTVKAYOMMOVCBQENNNN
ASXVBTDWAYACZHYABBGHUKVTZJUBBBBBBBFYJYHJYOGKPPPPPPPPHSWNWBFMTETTURRRHDDDIGGKSLFGRGNTVTZOOOOOOXTELEEY
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KKKKQMMMMRQFTZVRDPDUUUUUUUUHHHHHHZZZDIHWIPQHDZNVFDRLSKARKDLDWXEBGPTRSQQAVKFRRZCZBVDEOQXXXXOKCXDEVPZN
KKKKIIFDZSWMWMJRCQIUUUUUUUUHHHHHHBTWYYAKRGWCGCLWACLHZPKNLWRWZGSCZMWJJVKNOXKKLERJJHWGIZXXXXPCVGVJYGWR
KKKKKWIUNQBWEDOOOOOUUUUUUUUHHHHHHORTWDKFQHBQNOKHXEPVWIIKVHWKCLUJROQIRXDRCFWRMFDFRQUXMTZGRWHFQGPBGLQE
HGGIRFOYMWRTHDOOOOOUUUUUUUUHHHHHHREDFDNFFBJAGEFCQHVKQLGLRTDTJWZXXHIYVGFCTTTTTTTTJZJPVBNVSPOCJOVISZCI
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SXJJARSHPMXUPUOOOOOOOOWNNHHHHHHHHKAZUFSUWTDQXTHSAMLTLJXZOLQATOHWRHWRUXNVTTTTJJJJJJNWHGORHHYOFVALAOEF
TOMEFHLILGTJVUOOOOOOOOJWOHHHHHHHHSVLXOPHJTLIUKKEHBKCPEDPEJEJWCIGDOSRBJTUTTTTJJJJJJHMEYUAANMAWGHRTFME
SKGFIWKDPCWXUUOOOIIIIOMTMHHHHHHHHLMKIOEBKOIXENWUCZWDRMTQCLCINBWZPPRJFRVTTTTTJJJJJJEKHEGYNQEYUXLMWNIR
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SHMCJTNDCKPVOLTDPIMMMMMMMMAVISDIBUODWODIRNAHBVMDPWPJBTYZRCRCIAIERVSLKFVZTTTTJJJJJJIUVAHHCUWJPUUSJCPM
DQNJUYYEKGZSNWRSBUMMMMMMMMDRPQTAHWXGKDZJHFVENIOOYZUXRKKVQPIIFMGHQZHVPHOVPMKCQUJQOMUMMAVHXCHDUPVNPTYQ
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JUKXKPEHYVOXRTMVYPMMMMMMMMMXTSJEEQQBZQWJOJIFEDHQEBTUNMOQGVAKADXZHBBHAPCCFIUTIQNLNJLBATOBRNNNVYLJIMHC
SYBEWDDDDDDDDEAAULMMMMMMMMAJSFODUAHKZOPYCEMPALLVMNSHCNMMDSBUZSVXOEHDAWELRRQPQBOIARRFLDBOWMCTDNARJIUY
PKQPDDDDDDDDDCSDXAMMMMMMMMMZHJJJJJJJXEBMTCPDOSCKXQHPANTOFSATYOODRANKCBZWGHXXRPGOQGYUZZQTOOFQOGXCUUDX
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OHGMLDDAAADDDECHHHHHHAKRYZYQMJJJJJJJGJGYTIXXXXXVYMXLVOYTMRAOIASJPZILMJDWZSIUXRPTUANPYZPVEQNBEGXXFXTO
SJAFGDDAAADDDILHHHHHHIQHRZVGKJJJJJJJXSWCJMXXXXXWGNSSTPNSGFHNVQCGRSQSAWDVWHCCDMICOIJJZTKODOBMDXEKEKTM
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QTVMKDDDDDDDDVPHHHHHHFEATYAKXJJJJJJJXVWSFHXXXXXXXXMDHRFYJDNHOJFOSGEBBAIUZKJCBZYAPMAJVNNQTUDCRXITVNRL
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XVVMRNKSFXUPVPODVNJQPGPNQUNZYSYIZBHZDBKFHXINPGJIJOXKQLIOPUUVBGTSSMCGNABHXWRYRDINBAMRETSEKFXONZVCNPOC
ORXUPRCWDZRGXDXPYCCPYLKJBXBBLSKOLBQAAAATWOYCUOITLXJRYYCBBEUEFEATAEUYOTFALFKELVAOTZZZJMONOKSSOOSKAYVJ
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HVNBLQQZOFGOLBBNIGKSKHXZLZHUMTLJEWXLQKQWYUVKGKSIWQEOOOOOOHCAAEPPUCOCYRBKRRRRFRCNOMGOATPJXJJYYDSYULMO
FGPPBQWDYBDGNJXPPPPPPPERFCALSMGPMFHOTWWLONZQKLCWKSFOOOOOOSFQGFIMDSYTDIYARRRRLUAZHEFKQBPNVASJDIUPJAJT
GOIOPMOJAWHKQVDPPPPPPPORFMSHRIJZNYHBBNYOJPHCUNZWGRDOOOOOOSODJXMXOYKYMYNNQWFSGZBECOEMHYLJMFHVHUTHKSBQ
HJNPYEBSACBZDJXPPPPPPPKKEEENWRGVVSBPLOQXSTXVVDZJXFTFGNIHJMAABYODOBLFNHIHSXDDPJTWXPBKCXPQJKLAOPZTVZKG
KRTTTTTTTTQETEIPPPPPPPFEEEEMVXYETHOVSDXASKVDLEOKBBCJMFRWQHVUATQBRJCNIYHPMELEFXPDPPCCCCCCCBRTQPRRSVQP
QKTTTTTTTTEXSTVPPPPPPPWZEEESZTYOYJBKLTJQHNEYBNVDNMHRLHRFZFDNVIBSSSSSSAYMCZKRYPIIKHCCCCCCCQVCGFYBARZG
IWTTTTTTTTQCYXVPPPPPPPQKFZHTAPEYPECZEIEBDHNJCCCCTUSDIWPCXOEDZSSSSSSSSZVWIDMKMGNJNBCCCCCCCYCYCWIRYDCI
HYTTTTTTTTKWCJVPPPPPPPSUAQTANUBQPUFGXBZAJIMYCCCCKKCNQWGYUPQMNQRSSSSSSACTSJFWRYFEKOCCCCCCCXBGMLMZNBBH
XHTTTTTTTTDDZOZUXDIMZEBRPDZSNPZLZCKIDHIXRJRXCCCCNPVZBYEYKLDPLMPQQQSSSJWXWOZMWGXCYTCCCCCCCLKAPJKDXSBP
HDTTTTTTTTXJXEUEURQOYXZKJUZPUTMHXWHAAWCRBGIKCCCCLRCCMDWTQZAEXLKQQQSSSLELGTOMWJMMVECCCCCCCMLJKIGEBVMG
DLTTTTTTTTFFYLCSEKSUUUUUUAVHUBDIFEOFXOZWNKWKASKAMGIEMETECUGWIJFQQQCCCCCCGQEZLLJDRJCGGGGGGWNRDODRNCQW
YXTTTTTTTTUNKDVZUNJUUNNNNNNNIRTBBGWMBLQCEGDIOWPVRTQLXFRVGSMZSLBSECCCCCCCBSYXTWGRMKDGGGGGGWCQTEKGLDLD
WCDDSNDHQZOSLZOVUHXUUNNNNNNNIRYDYHMNYYYBILUJEQTXXCEQBUCAHREYQHIDTCCCCCCCWOCJKMZGLOMGGGGGGQWDNEAGKGKQ
LSLVGXSFVNEBJBRDKLHUUNNNNNNNIRXQGSDREMXMKUQZBQZRAKCDAOXYSDSDJGHTNCCCCCCCGQNYZFDOBXXGGGGGGWLYKDJMVRZG
GWJEAMQKZQWNWMHBCZPUUNNNNNNNIRXYRIZNZYLQOJTNLZNFHVVPCNYZOGKEXUUZVCCCCCCCQPAPHSQJKXXGGGGGGIMWXVHLHTUY
MEIUUHSJOQITYDNFOSYUUNNNNNNNRRTHGIDCKOVEFOYWFVBLLGGALOCYGLUBIIMVLCCCCCCCFDCBLRAUDXXGGGGGGEKYESOIRXLD
HWJRWTDUNURBPCVFNFKGMNNNNNNNRRLHDDYWODFECZWXZOAQQGGFAFJTMOWUSBNCRRRRRRRRRRAXXHROEXXXXXXXMUVCPOJLZFAC
HBFCEDPACPLNJFXBMQRBNNNNNNNNRRKTTDHWWACUSAXPFOXADJXMLTTWSKNINLYORRRRRRRRCXQBYBDRCXXXXXXXPPLJQSADJIWW
NXYQEHMQGEWQBOPGVNFGOYOODZJJHKUZZDNJEZDUAOCYLNRHNOEQPTSDVWSFCAYBRRRRRRRRTHHFJJJJBXXXXXXXWQKVTKOSMMEJ
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NCABZMMAHOPPPPPPPPTLXORAUGQBGJTDJZRYCUZPKYDCVQACQSSSPIIIIIIISCWCRRRRRRRRQGWVJJJYWUEZJUSARMMPYMYNZBNO
JSTGLUUBXDPPPPPPPPFLAHGBHGQAAGGQSAVRKIKGYTLSXJRQCSSSFIIIIIIIQTKARRRRRRRRCTYZMBHNEFXKSZXZSYJOCZCQJKAR
POQBNMYVVZPPPPPPPPYVYOIBBVTGZEUMAHXACLTGCLCGHLKGDBTWXIIIIIIIHZLURRRRRRRROZFVFTNJMOETEPTKZAJMLZEUBVUY
BUEEMJUDZLPPPPPPPPEESKEXCQAISHYDATGCDKCTTSWWUMQUDMPMSIIIIIIIEISARRRRRRRREBXBQJPMKPDXDMOOSIZRRIYBBLBN
WKAYKVSMNWPPPPPPPPHUCYZNVCGUTZZJZIBGUUWAGGGGGGGGRSQIGIIIIIIIZOLPHEKSOOQONQIIXWUQVNOTCBEZJBMNOYDWWOXQ
EYNTWWZZSCPPPPPPPPRFFPIILJIMSZZSSSSYVOOFGGGGGGGGUCFMMIIIIIIIBVSZCEBFDBCLAJMTKEAZMOJZOUUKSRIMJHXYJNYO
FYFYYCPELCPPPPPPPPRSGOZVUEECSSSSSSSKUPVFGGGGGGGGEHNAGYCXUKSRUMSABZUTQRYXXXXXXXXXKRFRIMOTSAAGTVGJHEUM
GADKBGYTXTPPPPPPPPDXVPBBOANYSSSSSSSIZFUHGGGGGGGGWTXWIHTRZWVKLNOIWLCIPAFCXXXXXXXXGILLRNTKABVNIMTIXRDD
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VHCZZCWHGODUYJWKBBBBBBBJZHNZSSSSSSSVWHTQGGGGGGGGPPPQDCIQNAMMAOLPDDRRRRRRXXXXXXXXZHYRJNFNPZHTUWLXPPCS
BACLLLLLLHVCLIBMBBBBBBBKIPPOSSSSSSSRMPSTGGGGGGGGPPPNXJXXGFRMKTKAJWRRRRRRXXXXXXXXMSAEDDHMOVXBKITWGAAQ
XYALLLLLLTYHLHBFBBBBBBBHGNQMSSSSSSSPQPQXGGGGGGGGPPPKOPYSRBCJHILFOYRRRRRRXXXXXXXXMIIRVBUSKTBTNMFZHBFQ
LARLLLLLLWORNVONBBBBBBBEBRVCPQJFHYYMMEAIKQNJSRUPPPPBQVBYASXFORLIMKRRRRRRXXXXXXXXUVLOGLLFRTMRNBNTZBFZ
ZEBLLLLLLECOYFCRBBBBBBBAQVPFMIKKXXXCCCCCCCJLGKCIJQQBUIQKNXOAMWJRPPRRRRRRXXXXXXXXQETYYUKZFPIZQFIWWWNP
WMMLLLLLLKBMAIIIBBBBBBBJWFWFTBGEXXXCCCCCCCHFKVDOYRRLWKTXOREODLXMFJRRRRRRRRMGOIXTDAHOUXAOFRRCTIXWWWAH
WMMLLLLLLWCXMIIIBBBBBBBANZXFJFMRXXXCCCCCCCVCHMLIBUJDNAVANCWCUZISMPRRRRRRRRMRWQTYQSTPSLOXMLAEWXSWWWPL
CMMMMMMMMIICKIIIIIIICWLPNIEKZUIUXQUCCCCCCCIKOSHZQQKBLQAZWKCSCMSYKYRRRRRRRRQOCXFGVKXQCSNXZOWAUYUEWCYT
WMMMMMMMMAVWVIIIIIIIWXAMSVIBMBCUONSCCCCCCCRUWTCCPYMIMKEDHMKKWAENUENFGWNVSXDDLSFABTQTVZDBPMBSIQUXASIF
EMMMMMMMMAVZQIIIIIIIUVXOZDEMOELZTCDCCCCCCCODPLLHIQITIERIJYKKAXPPUNEYYYYYYYHMGPGXCMIATYLYVTUEUSFMTKDZ
JMMMMMMMMDPFPIIIIIIIEAHNITQECKVNVJXCCCCCCCHIEFGQYGGYCKWPINOJRJDZZBYYYYYYYYRHKBMTYAREFRNIRIWRVOTASGGG
LMMMMMMMMUBIAIIIIIIIFTAXPRACRRUFNRRHJWQNEZTJPQIIGHPJJSUFVUNXBRRLJPSYYYYYYYSNMCMWEPMWTEEIMZWUSZXZVMHJ
EMMMMMMMMEJRVOKSBDIKVLKPBPFUJAGKUAFTIYRZDGOABUVNUCMACBCOKFJJJJJYMYRYYYYYYYGBVNDLKYXPULXAXUUUHKLRKAMO
FVVXDBEEILIMIITTKHESBKEFHNRPRRANLLTCELTESKNFGFARBPWUXJDUPLJJJJJCEOYYYYYYYYXXXMUFEWUTFAAYTUUUSKJWAAOB
DHOEMQEMNXZBDTXRBDZRXAOYTFWBBGRRRRRRNIUSCNXTOBBBBBBBBVKEYWJJJJJUJUEYYYYYYYXXXKOPHGLLKHQBGUUUZIJOTZJG
ZFPRACNYVFYEJWYTARZPATLLSDWLHJRRRRRRHVKJGOEIQBBBBBBBBPPCQBJJJJJLMVNYYYYYYYXXXFABBEUUFIOHIBZPCFNGVAAJ
EQAXXSIOUBNFIMZJPTFPARBYTODGYYRRRRRRCHDSWMEIFBBBBBBBBPPJKDJJJJJRQUGBPRAGXAYTGLOCBMKDZLIJSHFYSUPLTJDV
QVFSHUWYYMTIPEWAIGUJUFSCJRVVVVVVRRRRWJICZPRGJBBBBBBBBPPTKFXKVLYOWSXXGJGVLHYCSZTSHYOAVAGSRTCWGFKZFXEK
PLPXGOLKNZGGTYWDFULAEJDWXXVVVVVVRRRRNPBMKMEVQBBBBBBBBPPCWJKKGAFXOBBWJVCKGVMEWAWGXCGJOSSZCUWPUWKJSTKR
MQHKDBDAFHWRCFZZJYYBECJJBFVVVVVVRRRRRUMNAMUPIBBVVVVVVPPCOODUBFTSICONDBNGETPYPBQFNIJZMUPATOZMHYARZIIR
YFABIRIEVPESIGJJAOLAUFFTEMVVVVVVDDWXBIMSCPNYBBBVVVVVVPPCABJHXRRRRNNNNNHZXGMLZPFWFPVSMXKQMHYYEUMQFBZA
AZTVOVKGXXMYYQZLBXKWLNPQULVVVVVVTAWJVBRGMUAEHBBVVVVVVPPCCZTUARRRRNNNNNEXWKEKASBVUVIZUNZOKWDJNLHMUOUW
GVKAJDSXRVQEYBFTTPZRBSSGFCVVVVVVMWPPEEYPRESCVEYVVVVVVCCCFGNSLRRRRNNNNNOGTTUZEJTUEBGPAOONBCXBYTIWPJTT
ZQFQFVSMOUBESETOKTNBQJKRSDKLVSRFJRPXEEWMHAROCUAVVVVVVJZBMQKJCRRRRNNNNNBOGGWFDITVBZNKDXCATZVNODOSZDMG
XWQQEMDMXEKGFEEMTLSIVMHQDTZXUPMEPIIQBCQNTXULFKQVVVVVVSQPHJSYERRRRNNNNNHFUDXOFYJTVEKPLPHLOFCFLYCAKKFX
WEWGTUKAPDCAQXQQQRDTNJIAGCQMXKRAKMLSPYKPMIQMYBXCKEFGTDPDXEMCAOLXLWOXSXFHXVMQZYQNEFUCKOSOPUGVFRSBMNOK
ZWGNTAACGWPQBHVZRVNIEKJZSSPWVYJSALTHHGEAQSWHEMARHTHIFORHRZQAESPUACNVWERZKNHICKSNLDYGSDGFTGCMWMZOWCYV
BPWQPHHJMHSLEBUEKHFGXFYDLQXLGAPEBNEVPAZYEEIZLFGMMLTZNOYPMIFOXBJGUEZMFOFICSKGCQEWZBZDGXQJWGEMHRLQSXSM
RUZRSJIHVVWNKKZCKJXGUKATMVYFHZJVXOOTBGDWBIXQKACHRHZXXGSGIXHINKJSWVNRDDYOTBFBQQQUUZSJTOJPJRQUXKXWPVNJ