Statistics

Problem Statement for "BusinessTasks"

Problem Statement

A busy businessman has a number of equally important tasks which he must accomplish. To decide which of the tasks to perform first, he performs the following operation.

He writes down all his tasks in the form of a circular list, so the first task is adjacent to the last task. He then thinks of a positive number. This number is the random seed, which he calls n. Starting with the first task, he moves clockwise (from element 1 in the list to element 2 in the list and so on), counting from 1 to n. When his count reaches n, he removes that task from the list and starts counting from the next available task. He repeats this procedure until one task remains. It is this last task that he chooses to execute.

Given a String[] list representing the tasks and an int n, return the task which the businessman chooses to execute.

Definition

Class:
BusinessTasks
Method:
getTask
Parameters:
String[], int
Returns:
String
Method signature:
String getTask(String[] list, int n)
(be sure your method is public)

Constraints

  • list will contain between 2 and 50 elements inclusive.
  • Each element in list will contain between 1 and 50 characters inclusive.
  • Each element in list will contain only characters 'a'-'z'.
  • n will be between 1 and 10000000 inclusive.

Examples

  1. {"a","b","c","d"}

    2

    Returns: "a"

    We start counting from a. So a is 1, b is 2. We remove b, so list is now {a,c,d}. We continue from c. So c is 1, d is 2. We remove d, so list is now {a,c}. We continue from a. So a is 1, c is 2. We remove c, and now we are left with the last task a.

  2. {"a","b","c","d","e"}

    3

    Returns: "d"

    We start counting from a. So a is 1, b is 2, c is 3. We remove c, now list = {a,b,d,e}. We continue from d. So d is 1, e is 2, a is 3. We remove a, now list = {b,d,e}. We continue from b. So b is 1, d is 2, e is 3. We remove e, now list = {b,d}. We continue from b. So b is 1, d is 2 and finally b is 3. We remove b, and now we are left with just one task d.

  3. {"alpha","beta","gamma","delta","epsilon"}

    1

    Returns: "epsilon"

  4. {"a","b"}

    1000

    Returns: "a"

  5. {"a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t", "u","v","w","x","y","z"}

    17

    Returns: "n"

  6. {"zlqamum","yjsrpybmq","tjllfea","fxjqzznvg","nvhekxr","am","skmazcey","piklp", "olcqvhg","dnpo","bhcfc","y","h","fj","bjeoaxglt","oafduixsz","kmtbaxu", "qgcxjbfx","my","mlhy","bt","bo","q"}

    9000000

    Returns: "fxjqzznvg"

  7. {"l","celzw","vp","n","nkmyi","uaquiikr","tgu"}

    7836541

    Returns: "nkmyi"

  8. {"yhvadcqtq","myr","mjoyirny","nofaqvinol","trxphmasx","yblchjotr"}

    5561784

    Returns: "trxphmasx"

  9. {"dfnm","k"}

    4147202

    Returns: "dfnm"

  10. {"jegzlqohby","gvscbzrxvq","yoznfwvxfr","wtprk","zmvqlj","ughtyb","cgdincc","ztsuv","i","ba","jotel","jwn","erfhr","zdhxgfnf","hkclj","pfqy","fkfrxvnp","dzmucuzru","oqhaob","v","mgbiukmk","rqykcqogwl","ot","f","mam","bag","ildun","qtlof","xvlcbdl","fedopz","nl"}

    3827158

    Returns: "bag"

  11. {"tigcvzlb","u","cj","e","snaa","hbbskf","qxkryjwb","bvbbh","gzykeeq","mqfnxhrsj","zkwvueony","gsjpvjd","svbmtbpn","u","f","dqgrpjyuo","uja","qopqpekf","wnbykja","newod","xrav","hvj","owshyj","sbsmy","gy","a","utlrl","zmucefteia","mnfwmboja","aki","wcotsl","cxjzjib","dsg","ksaj","fl","thburj","spwzxryca","ytbxi","smevxiu","uiumrxzu","dei","azciontn","ceymjemr","geiemwcx","nsltfgf","xkmn"}

    9046852

    Returns: "zmucefteia"

  12. {"wl","n","hoykptlh","q","ztbjmxzaij","eoqqre","nwsimbuda","fo"}

    3152975

    Returns: "n"

  13. {"pwerpci","k","budsz","cx","h","zheoihfv","aeipe","ewsvaqw","ofvgcol","kxlqvbfyb","wqlofv","gcwhnfhz","a","lv","pltwcxoz","yi","nodixfm","ujdp","avkvju","wplzbwdkz","pajqlyppx","kpigbest","bthx","gblg","ivb","zwgybnnctw","c","tbinyfef","lbabny","i","qtzhruv","azcbbhg","rxkpz","vvsr","zvzpbkxu","ncduwugkp","cahiajuq","mwckvuusha","w"}

    10000000

    Returns: "bthx"

  14. {"m","sfm","bapvgub","bosipszswv","vxtiqb","igmp","frefavvk","yqhmuuki","xsvqfmnqq","eoapz","axie","rrunom","loqcvirps","i","wlwnllmuyf","uxxbhbiwc","vpxsh","wibe","yucpzyibot","gulhkimtks","hhfbjwb","axmqbmos","tidlxi","popojggnjo","fsr","vaxh","ia","bkvyv","cjlgxbo","drohy","vjchr","buwbn","cnzko","u","pqw","e","to","dmm","spfyinx","caq","df","orbttkgsv","mlihgy","mqdddbdvzb","hmlhs"}

    3736222

    Returns: "dmm"

  15. {"koaejpc","cysaeugsy","wtinkacu","wbzqwqhzy","darwcliciz","dnjlb","i","y"}

    4321174

    Returns: "wtinkacu"

  16. {"o","ylk","ewaverppb","hcvynep","p","yfecfjbf","o","hro","dxiwuh","rdos","crst","sqtrt","nv","ug","zeqo","zfuny","pkarll","t","qnc","pvryln","obfmfieow","oidv","foltqydbe","td","ixwulf","hkwctdrek","msjb","mbyl","wkwvosnq","ltf","xqptmp","lqsuozgu","n","rncz","vgyoe","dcp","o","tp","th","dfpmh","gdgot","qophtwcok","paeesnpvff","zrb","f","zvhstd","ygaatrtzld","txhvwfito","ggd"}

    8435322

    Returns: "o"

  17. {"mdgyiwvw","pvirakih","v","h","trigbt","dv","rhys","mmlkv","kkayj","maojwbdo","fxavmlhkgg","pafhmu","gkmbxph","cy","apedrdzph","flsq","rio","ramsbpxpd","dmee","zqw","a","gvxyhfa","hg","rcqjdjdkbc","j","oilmsv","vicx","vryhznxork","t","ix","txuazrkk","bmsy","tadihl","enqxnrbpwn","huedzg","jz","nlgsbj","resnkbvxyk","d","rcmzu","pmrbdhteki","xuamzyvvtq","ztx","azycdpb","m","bdsqh","nznmhkzu","w","f","bxh"}

    7718687

    Returns: "vryhznxork"

  18. {"rwjcnpb","kfcfv","znxgcjwwik","w","rwvajuce","xewmhzhjwh","zjkaap","s","iqwarieae","zerlz","u","d","pzqitbhyq","ciipw","asikhdolnb","foca","vkjepfo","s","krxpwxfllw","f"}

    2588819

    Returns: "rwjcnpb"

  19. {"pqhxob","muwy","upkyms","gazkjfgu","bnokf","ajzkzefh","zmzjqtv","ke","bhkdnqf"}

    1

    Returns: "bhkdnqf"

  20. {"uwcojz","aayecqwi","ua","mnknran","as","utgpear","yrghieqg","dtklrkxru","qob","cb","stxm","bcwhg"}

    6123820

    Returns: "ua"

  21. {"qsxtyd","k","olt","fhr","cljigdbi","ywwjxvsf","x","tfqfxtgiz","hza","jzkfllguae","utvg","ptkb","ccecitz","sxkjnqysbg","mkxtkbebuw","sjp","st","wk","fztutk","mbkfkk","pvgehs","zramf","gzhewp","l","rwvzsquegk","kqtwvmd","akwum","jtniaqtr","jwmxrl","ruo","pzcui","lj","gipqr","cbxli","vwtfpq","ycovlvezx","ydrccpw","bu","bsygu","btknkhityr","jgnoex"}

    8349319

    Returns: "sjp"

  22. {"vuulw","dvac","pjm","yntzwsnk","vrcz"}

    7118670

    Returns: "pjm"

  23. {"bvgr","y","v","hgaqw","xffdiwcb","lfkkk","nsitos","l","zfknzt","lzfwcy","kgubzn","jsamkngab","snyynssuzi","rh","yebb","uvbc","ghgqsarhul","fchtdybnk","yqxfhcpsmm","u","mpqcndgcc","docpudvfm","im","labyetelv","fditwda","hlguuvi","wwwxgr","a","wtog","ftvqp","pz","npvv","viseblclg","k","y"}

    4891354

    Returns: "ftvqp"

  24. {"qggyfqmnz","yxspcfoung","ktdm","ij","nodbvhgrjq","wtxieknfx","mwqzremz","rjhqeaym","jdwbwk","guu","hatpz","fgaxgrecuk","dbhucxo","xormvizr","vicyyadn","behnros","aygpilxcs","jmrw","nm","ly","wbvyji","ktbe","qwbedx","r","qkyaodwia","evloffb","jimidghfkp","wzcauotc","umbwrlrr","hedjz","k","j","hfiufqus","d","iex","hmfr","yehvvkrfd","acsfehaf","gzfn"}

    8380305

    Returns: "k"

  25. {"faf","jazdoodk","ywmwl","gxhyrmwc","rhuxbf","migzdyhp","qussxdptit","wiiuh","l","coln","atfwrt","igvazctdx","vku","woab","h","ndbdig","aofgaqyfo","uekhmz","pijljzbe","itrvzl","regbhiobq","li","jd","sy","rpy","wdfskw","xtw","kzbhqow","tg","w","uj"}

    845

    Returns: "gxhyrmwc"

  26. {"blhrqkjb","amdx","czrg","rjtlrkk","ot","qe","qhztfnb","dqtq","jacbegc","v","xfrbmc","cferlfdon","jzxoy","oqodwdohkp","fvuuzhbmc","wqax","ubikflhdfc","fvfdirmmts","r","yognjjwm","qzihgkc","rzl","ouqwshcut","es","yrjvbqj","daiaprcfy","jgukgz"}

    41

    Returns: "ubikflhdfc"

  27. {"ufopvla","volnicf","vzhnvebph","nx","ar","orh","zfm","mijolmlqq","wqretzv","snajzf","o","igcipg","b","gmzn","xjcixrv","pxmg","slhfh","iyoryw","j","tf","jmeani","e","lrsfyfu","arho","rkdbbod","y","j","guc","ob","ywfto","xmq","trwou","gbchxg","uyarlnculn","lbrovr","spqeqhq","daj","ns","eaypuhvepk","cndcgx","hqgihacbep","njdykehm","pzkxvagk","wvngpttoj","mkbm"}

    17

    Returns: "tf"

  28. {"cwptj","umr","vev","ko","sxqyo","bkj","aj"}

    532

    Returns: "umr"

  29. {"a","b"}

    1

    Returns: "b"

  30. {"blhrqkjb","amdx","czrg","rjtlrkk","ot","qe","qhztfnb","dqtq","jacbegc","v","xfrbmc","cferlfdon","jzxoy","oqodwdohkp","fvuuzhbmc","wqax","ubikflhdfc","fvfdirmmts","r","yognjjwm","qzihgkc","rzl","vzhnvebph","gmzn","xjcixrv","pxmg","slhfh","iyoryw","ywfto","xmq","trwou","gbchxg","uyarlnculn","lbrovr","spqeqhq","daj","ns","eaypuhvepk","cndcgx","hqgihacbep","njdykehm","pzkxvagk","wvngpttoj","mkbm"}

    1000

    Returns: "vzhnvebph"

  31. {"zlqamum", "yjsrpybmq", "tjllfea", "fxjqzznvg", "nvhekxr", "am", "skmazcey", "piklp", "olcqvhg", "dnpo", "bhcfc", "y", "h", "fj", "bjeoaxglt", "oafduixsz", "kmtbaxu", "qgcxjbfx", "my", "mlhy", "bt", "bo", "q" }

    9000000

    Returns: "fxjqzznvg"

  32. {"zlqamum", "a", "a", "fxjqzznvg", "nvhekxr", "am", "skmazcey", "piklp", "olcqvhg", "dnpo", "bhcfc", "y", "h", "fj", "bjeoaxglt", "oafduixsz", "kmtbaxu", "qgcxjbfx", "my", "mlhy", "bt", "bo", "q" }

    9000000

    Returns: "fxjqzznvg"

  33. {"zlqamum", "a", "a", "a", "nvhekxr", "am", "skmazcey", "piklp", "olcqvhg", "dnpo", "bhcfc", "y", "h", "fj", "bjeoaxglt", "oafduixsz", "kmtbaxu", "qgcxjbfx", "my", "mlhy", "bt", "bo", "q" }

    9000001

    Returns: "am"

  34. {"a", "b", "c", "d", "e", "f", "g", "u", "er", "fi", "ao", "diu", "foiu", "vlue", "lqdu", "lfai", "piud", "a", "fivu", "voiu", "vlzakejv", "efliu", "sqldf", "ouef", "lakfjoiu", "xocvui", "faoiufa", "mvoiuv", "azoeiufnv", "aozefuv", "oiuafze", "voiqsdu", "falj", "faoiub", "dflkj", "baozif", "faljkf", "ljfal", "falkj", "faljk", "blkcj", "fdajoij", "faljk", "falkjb", "fajlkzef", "jlkaf", "falj", "falkjf", "ljkfa", "ljkfd" }

    9997997

    Returns: "ao"

  35. {"zlqamum", "yjsrpybmq", "tjllfea", "fxjqzznvg", "nvhekxr", "am", "skmazcey", "piklp", "olcqvhg", "dnpo", "bhcfc", "y", "h", "fj", "bjeoaxglt", "oafduixsz", "kmtbaxu", "qgcxjbfx", "my", "mlhy", "bt", "bo", "q" }

    10000000

    Returns: "y"

  36. {"a", "s", "d", "g", "h" }

    17

    Returns: "g"

  37. {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm", "nn", "oo", "pp", "qq", "rr", "ss", "tt", "uu", "vv", "ww", "xx" }

    10000000

    Returns: "w"

  38. {"a", "b", "c", "d" }

    7

    Returns: "b"

  39. {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "w", "v", "x", "y", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm", "nn", "oo", "pp", "qq", "rr", "ss", "tt", "uu", "ww", "vv", "xx" }

    9999993

    Returns: "gg"

  40. {"a", "deleted" }

    1

    Returns: "deleted"

  41. {"a", "b", "q", "w", "e", "r", "t", "y", "u", "i", "o", "p", "s", "d", "f", "g", "h", "j", "k", "l", "z", "x", "v", "n", "m", "aq", "aw", "ae", "ar", "at", "ay", "au", "ai", "ao", "as", "af", "ag", "ah", "aj", "ak", "al", "az", "ax", "ac", "ava", "ab", "an", "am", "appp", "ajk" }

    10000000

    Returns: "v"

  42. {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm", "nn", "oo", "pp", "qq", "rr", "ss", "tt", "uu", "vv", "ww", "xx" }

    10000000

    Returns: "w"

  43. {"a", "b", "c", "d" }

    100999

    Returns: "b"

  44. {"zlqamum", "yjsrpybmq", "tjllfea", "fxjqzznvg", "nvhekxr", "am", "skmazcey", "piklp", "olcqvhg", "dnpo", "bhcfc", "y", "h", "fj", "bjeoaxglt", "oafduixsz", "kmtbaxu", "qgcxjbfx", "my", "mlhy", "bt", "bo", "q" }

    9000000

    Returns: "fxjqzznvg"

  45. {"zlqamum", "a", "a", "fxjqzznvg", "nvhekxr", "am", "skmazcey", "piklp", "olcqvhg", "dnpo", "bhcfc", "y", "h", "fj", "bjeoaxglt", "oafduixsz", "kmtbaxu", "qgcxjbfx", "my", "mlhy", "bt", "bo", "q" }

    9000000

    Returns: "fxjqzznvg"

  46. {"zlqamum", "a", "a", "a", "nvhekxr", "am", "skmazcey", "piklp", "olcqvhg", "dnpo", "bhcfc", "y", "h", "fj", "bjeoaxglt", "oafduixsz", "kmtbaxu", "qgcxjbfx", "my", "mlhy", "bt", "bo", "q" }

    9000001

    Returns: "am"

  47. {"a", "b", "c", "d", "e", "f", "g", "u", "er", "fi", "ao", "diu", "foiu", "vlue", "lqdu", "lfai", "piud", "a", "fivu", "voiu", "vlzakejv", "efliu", "sqldf", "ouef", "lakfjoiu", "xocvui", "faoiufa", "mvoiuv", "azoeiufnv", "aozefuv", "oiuafze", "voiqsdu", "falj", "faoiub", "dflkj", "baozif", "faljkf", "ljfal", "falkj", "faljk", "blkcj", "fdajoij", "faljk", "falkjb", "fajlkzef", "jlkaf", "falj", "falkjf", "ljkfa", "ljkfd" }

    9997997

    Returns: "ao"

  48. {"zlqamum", "yjsrpybmq", "tjllfea", "fxjqzznvg", "nvhekxr", "am", "skmazcey", "piklp", "olcqvhg", "dnpo", "bhcfc", "y", "h", "fj", "bjeoaxglt", "oafduixsz", "kmtbaxu", "qgcxjbfx", "my", "mlhy", "bt", "bo", "q" }

    10000000

    Returns: "y"

  49. {"a", "s", "d", "g", "h" }

    17

    Returns: "g"

  50. {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm", "nn", "oo", "pp", "qq", "rr", "ss", "tt", "uu", "vv", "ww", "xx" }

    10000000

    Returns: "w"

  51. {"a", "b", "c", "d" }

    7

    Returns: "b"

  52. {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "w", "v", "x", "y", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm", "nn", "oo", "pp", "qq", "rr", "ss", "tt", "uu", "ww", "vv", "xx" }

    9999993

    Returns: "gg"

  53. {"a", "deleted" }

    1

    Returns: "deleted"

  54. {"a", "b", "q", "w", "e", "r", "t", "y", "u", "i", "o", "p", "s", "d", "f", "g", "h", "j", "k", "l", "z", "x", "v", "n", "m", "aq", "aw", "ae", "ar", "at", "ay", "au", "ai", "ao", "as", "af", "ag", "ah", "aj", "ak", "al", "az", "ax", "ac", "ava", "ab", "an", "am", "appp", "ajk" }

    10000000

    Returns: "v"

  55. {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm", "nn", "oo", "pp", "qq", "rr", "ss", "tt", "uu", "vv", "ww", "xx" }

    10000000

    Returns: "w"

  56. {"a", "b", "c", "d" }

    100999

    Returns: "b"

  57. {"zlqamum", "yjsrpybmq", "tjllfea", "fxjqzznvg", "nvhekxr", "am", "skmazcey", "piklp", "olcqvhg", "dnpo", "bhcfc", "y", "h", "fj", "bjeoaxglt", "oafduixsz", "kmtbaxu", "qgcxjbfx", "my", "mlhy", "bt", "bo", "q" }

    9000000

    Returns: "fxjqzznvg"

  58. {"zlqamum", "a", "a", "fxjqzznvg", "nvhekxr", "am", "skmazcey", "piklp", "olcqvhg", "dnpo", "bhcfc", "y", "h", "fj", "bjeoaxglt", "oafduixsz", "kmtbaxu", "qgcxjbfx", "my", "mlhy", "bt", "bo", "q" }

    9000000

    Returns: "fxjqzznvg"

  59. {"zlqamum", "a", "a", "a", "nvhekxr", "am", "skmazcey", "piklp", "olcqvhg", "dnpo", "bhcfc", "y", "h", "fj", "bjeoaxglt", "oafduixsz", "kmtbaxu", "qgcxjbfx", "my", "mlhy", "bt", "bo", "q" }

    9000001

    Returns: "am"

  60. {"a", "b", "c", "d", "e", "f", "g", "u", "er", "fi", "ao", "diu", "foiu", "vlue", "lqdu", "lfai", "piud", "a", "fivu", "voiu", "vlzakejv", "efliu", "sqldf", "ouef", "lakfjoiu", "xocvui", "faoiufa", "mvoiuv", "azoeiufnv", "aozefuv", "oiuafze", "voiqsdu", "falj", "faoiub", "dflkj", "baozif", "faljkf", "ljfal", "falkj", "faljk", "blkcj", "fdajoij", "faljk", "falkjb", "fajlkzef", "jlkaf", "falj", "falkjf", "ljkfa", "ljkfd" }

    9997997

    Returns: "ao"

  61. {"zlqamum", "yjsrpybmq", "tjllfea", "fxjqzznvg", "nvhekxr", "am", "skmazcey", "piklp", "olcqvhg", "dnpo", "bhcfc", "y", "h", "fj", "bjeoaxglt", "oafduixsz", "kmtbaxu", "qgcxjbfx", "my", "mlhy", "bt", "bo", "q" }

    10000000

    Returns: "y"

  62. {"a", "s", "d", "g", "h" }

    17

    Returns: "g"

  63. {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm", "nn", "oo", "pp", "qq", "rr", "ss", "tt", "uu", "vv", "ww", "xx" }

    10000000

    Returns: "w"

  64. {"a", "b", "c", "d" }

    7

    Returns: "b"

  65. {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "w", "v", "x", "y", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm", "nn", "oo", "pp", "qq", "rr", "ss", "tt", "uu", "ww", "vv", "xx" }

    9999993

    Returns: "gg"

  66. {"a", "deleted" }

    1

    Returns: "deleted"

  67. {"a", "b", "q", "w", "e", "r", "t", "y", "u", "i", "o", "p", "s", "d", "f", "g", "h", "j", "k", "l", "z", "x", "v", "n", "m", "aq", "aw", "ae", "ar", "at", "ay", "au", "ai", "ao", "as", "af", "ag", "ah", "aj", "ak", "al", "az", "ax", "ac", "ava", "ab", "an", "am", "appp", "ajk" }

    10000000

    Returns: "v"

  68. {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "aa", "bb", "cc", "dd", "ee", "ff", "gg", "hh", "ii", "jj", "kk", "ll", "mm", "nn", "oo", "pp", "qq", "rr", "ss", "tt", "uu", "vv", "ww", "xx" }

    10000000

    Returns: "w"

  69. {"a", "b", "c", "d" }

    100999

    Returns: "b"

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