{"id":6504,"date":"2022-10-25T20:19:45","date_gmt":"2022-10-25T11:19:45","guid":{"rendered":"https:\/\/suzutukiblog.com\/?p=6504"},"modified":"2022-10-28T20:48:10","modified_gmt":"2022-10-28T11:48:10","slug":"tips-16","status":"publish","type":"post","link":"https:\/\/suzutukiblog.com\/index.php\/2022\/10\/25\/tips-16\/","title":{"rendered":"TIPS(Ruby:\u914d\u5217\u3092\u964d\u9806\u306b\u3059\u308b\u30fb1\u306e\u4f4d\u3092\u53d6\u5f97\u3059\u308b)"},"content":{"rendered":"

\u554f\u984c<\/h3>\n

Ruby\u3067\u914d\u5217\u3092\u964d\u9806\u306b\u3059\u308b\u306b\u306f\uff1f<\/p>\n

#\u964d\u9806\u306b\u3059\u308b\r\n\r\na = [0,9,4,5]\r\n\r\na = a.sort_by { |n| n }.reverse<\/pre>\n
#\u5b9f\u884c\u7d50\u679c<\/h1>\n
[9, 5, 4, 0]<\/code><\/p>\n
\u554f\u984c<\/h3>\n
Ruby\u3067\u914d\u5217\u306e\u4e2d\u3067\u52a0\u7b97\u3057\u306a\u304c\u30891\u306e\u4f4d\u3092\u53d6\u5f97\u3059\u308b<\/p>\n
\u5165\u529b\u5024<\/h2>\n
62 89<\/pre>\n
\u671f\u5f85\u3059\u308b\u51fa\u529b<\/h2>\n
8\r\n7<\/pre>\n
\u30b3\u30fc\u30c9\u3068\u89e3\u8aac (\u5165\u529b\u4f8b1\u3067\u89e3\u8aac)<\/h2>\n
#1\u884c\u76ee\u306e\u534a\u89d2\u30b9\u30da\u30fc\u30b9\u523b\u307f\u306e\u5165\u529b\u5024\u3092\u6587\u5b57\u5217\u3068\u3057\u3066\u5404\u5909\u6570\u306b\u4ee3\u5165\r\nn, m = gets.split\r\n\r\n#n = [\"62\"] \u2192 [\"6\",\"2\"]\u2192 [6,2]\u2192 [8] \u2192 [8] \u2192 8 \r\nn.chars.map(&:to_i).sum.digits.take(1).pop\r\n\r\n#m = [\"89\"] \u2192 [\"8\",\"9\"]\u2192 [8,9]\u2192 [17] \u2192 [7] \u2192 7 \r\nm.chars.map(&:to_i).sum.digits.take(1).pop<\/pre>\n
1:.chars\u3067\u6587\u5b57\u5217\u3092\u30d0\u30e9\u30d0\u30e9\u306b\u3059\u308b[’89’] \u2192 [‘8′,’9’]
\n2:.map(&:to_i)\u3067\u6587\u5b57\u5217\u3092\u6570\u5b57\u306b\u5909\u3048\u308b[‘8′,’9’]\u2192 [8,9]
\n3:.sum\u3067\u914d\u5217\u306e\u4e2d\u8eab\u306e\u6570\u5b57\u3092\u5408\u8a08\u3059\u308b[8,9]\u2192[17]
\n4:.digits.take(1)\u30671\u306e\u4f4d\u3092\u53d6\u308a\u51fa\u3059[17]\u2192[7]
\n5:.pop\u3067\u914d\u5217\u304b\u3089\u53d6\u308a\u51fa\u3059[7] \u2192 7<\/h2>\n
\u554f\u984c<\/h2>\n
\u914d\u5217\u5185\u306e\u6570\u5b57\u304c\u7d9a\u3044\u3066\u3044\u308b\u6642\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3066\u6700\u5c0f\u3092\u8db3\u3057\u5408\u308f\u305b\u308b<\/p>\n
8 10 11 12 21 22\u306e\u5834\u5408<\/strong><\/p>\n
[[8], [10, 11, 12], [21, 22]]<\/strong>\u2190\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u5404\u914d\u5217\u306e\u6700\u5c0f\u306e\u5024\u3092\u8db3\u3057\u5408\u308f\u305b\u308b<\/p>\n
\u5165\u529b\u5024<\/h2>\n
6 \r\n8 10 11 12 21 22<\/pre>\n
\u671f\u5f85\u3059\u308b\u51fa\u529b<\/h2>\n
39<\/pre>\n
\u30b3\u30fc\u30c9\u3068\u89e3\u8aac .chunk_while\u3092\u4f7f\u3048\u3070\u697d\u306b\u3067\u304d\u308b<\/h1>\n
#\u7a7a\u306e\u914d\u5217\u3067\u521d\u671f\u5316\u3059\u308b\r\nanswer = []\r\n\r\n#1\u884c\u76ee\u306e\u5165\u529b\u5024(\u6570\u5024)\u3092\u5909\u6570\u306b\u4ee3\u5165\u3059\u308b\r\nn = gets.to_i\r\n\r\n#2\u884c\u76ee\u306e\u534a\u89d2\u30b9\u30da\u30fc\u30b9\u523b\u307f\u306e\u5165\u529b\u5024\u3092\u914d\u5217\u306b\u4ee3\u5165\u3057\u3066\u304b\u3089\u6607\u9806\u306b\u4e26\u3073\u66ff\u3048\u308b\r\na = gets.split.map(&:to_i).sort\r\n\r\ngroup = a.chunk_while {|i, j| i + 1 == j }.to_a\r\n\r\n#\u914d\u5217\u306e\u9577\u3055\u3067\u7e70\u308a\u8fd4\u3059\r\ngroup.size.times do |i|\r\n  #\u5404\u914d\u5217\u306e\u6700\u5c0f\u5024\u3092\u914d\u5217\u306b\u633f\u5165\u3059\u308b\r\n  answer << group[i].min\r\nend\r\nputs answer.sum<\/pre>\n
\u203b\u30dd\u30a4\u30f3\u30c8<\/h2>\n
group = a.chunk_while {|i, j| i + 1 == j }.to_a\r\n#\u5b9f\u884c\u7d50\u679c[[8], [10, 11, 12], [21, 22]]<\/code><\/pre>\n
\u3042\u3068\u306f\u5404\u914d\u5217\u306e\u6700\u5c0f\u5024\u3092.min\u3067\u53d6\u308a\u51fa\u3057\u3066\u914d\u5217\u306b\u633f\u5165\u3057\u3066\u3044\u304d
\n\u6700\u7d42\u7684\u306b\u914d\u5217answer\u3092.sum\u3067\u7dcf\u548c\u3092\u51fa\u3059\u3053\u3068\u3067\u3067\u304d\u308b\u3002<\/h2>\n","protected":false},"excerpt":{"rendered":"
\u554f\u984c Ruby\u3067\u914d\u5217\u3092\u964d\u9806\u306b\u3059\u308b\u306b\u306f\uff1f #\u964d\u9806\u306b\u3059\u308b a = [0,9,4,5] a = a.sort_by { |n| n }.reverse #\u5b9f\u884c\u7d50\u679c [9, 5, 4, 0] \u554f\u984c Ruby\u3067\u914d\u5217\u306e\u4e2d\u3067\u52a0\u7b97\u3057\u306a\u304c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[27],"tags":[],"class_list":["post-6504","post","type-post","status-publish","format-standard","hentry","category-programming-note"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t