{"id":22553,"date":"2025-05-30T00:45:16","date_gmt":"2025-05-29T21:45:16","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/hackerrank-sahtekarlik-aktivitesi-uc-farkli-cozum\/"},"modified":"2025-05-30T00:45:16","modified_gmt":"2025-05-29T21:45:16","slug":"hackerrank-sahtekarlik-aktivitesi-uc-farkli-cozum","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/hackerrank-sahtekarlik-aktivitesi-uc-farkli-cozum\/","title":{"rendered":"HackerRank Sahtekarl\u0131k Aktivitesi: \u00dc\u00e7 Farkl\u0131 \u00c7\u00f6z\u00fcm"},"content":{"rendered":"<p><body><\/p>\n<p>HackerRank Sahtekarl\u0131k Aktivitesi: \u00dc\u00e7 Farkl\u0131 \u00c7\u00f6z\u00fcm<\/p>\n<p>HackerRank platformunda s\u0131k\u00e7a kar\u015f\u0131la\u015f\u0131lan &#8220;Sahtekarl\u0131k Aktivitesi&#8221; problemi, belirli bir e\u015fik de\u011ferini a\u015fan i\u015flem tutarlar\u0131ndaki sapmalar\u0131 tespit etmeyi ama\u00e7lar.  Bu problem, algoritma ve veri yap\u0131lar\u0131 bilginizi test eden g\u00fczel bir \u00f6rnektir.  Bu makalede, problemi \u00e7\u00f6zmek i\u00e7in \u00fc\u00e7 farkl\u0131 yakla\u015f\u0131m\u0131 detayl\u0131 bir \u015fekilde inceleyece\u011fiz: Min-Max Heap kullan\u0131m\u0131, Counting Sort algoritmas\u0131 ve daha do\u011frudan bir yakla\u015f\u0131m.  Ayr\u0131ca, her y\u00f6ntemin performans\u0131n\u0131 ve avantajlar\u0131n\u0131 kar\u015f\u0131la\u015ft\u0131raca\u011f\u0131z.<\/p>\n<h2>Problem Tan\u0131m\u0131<\/h2>\n<p>Problemde, bir dizi i\u015flem tutar\u0131 verilir ve belirli bir e\u015fik de\u011ferin \u00fczerindeki i\u015flemlerin say\u0131s\u0131 bulunmal\u0131d\u0131r.  \u00d6rne\u011fin, e\u015fik de\u011feri 20 TL ise ve i\u015flemler [10, 30, 15, 40, 25] ise, 30, 40 ve 25 de\u011ferleri e\u015fik de\u011ferinin \u00fczerindedir.  Dolay\u0131s\u0131yla sonu\u00e7 3 olacakt\u0131r.  Bu problemin verimli bir \u015fekilde \u00e7\u00f6z\u00fclmesi i\u00e7in uygun algoritma ve veri yap\u0131lar\u0131n\u0131n se\u00e7imi \u00f6nemlidir.<\/p>\n<h2>\u00c7\u00f6z\u00fcm 1: Min-Max Heap Kullan\u0131m\u0131<\/h2>\n<p>Min-Max Heap kullanarak, verilen i\u015flem tutarlar\u0131n\u0131n orta de\u011ferini s\u00fcrekli olarak izleyebiliriz.  Bu sayede, e\u015fik de\u011feri \u00fczerindeki i\u015flemleri h\u0131zl\u0131 bir \u015fekilde bulabiliriz.  \u00d6ncelikle verileri Min-Max Heap&#8217;e ekleriz.  Daha sonra, orta de\u011feri hesaplayarak e\u015fik de\u011ferinin \u00fczerindeki de\u011ferleri sayabiliriz. Bu yakla\u015f\u0131m, \u00f6zellikle b\u00fcy\u00fck veri setlerinde olduk\u00e7a verimlidir \u00e7\u00fcnk\u00fc heap yap\u0131s\u0131 arama i\u015flemlerini logaritmik zaman karma\u015f\u0131kl\u0131\u011f\u0131 ile ger\u00e7ekle\u015ftirir. Ancak, heap yap\u0131s\u0131n\u0131n kurulmas\u0131 ve g\u00fcncellenmesi i\u00e7in baz\u0131 ek maliyetler vard\u0131r. <\/p>\n<pre><code class=\"language-python\">\n# Python kodu burada yer alacak (Min-Max Heap kullan\u0131m\u0131 ile \u00e7\u00f6z\u00fcm)\n<\/code><\/pre>\n<h2>\u00c7\u00f6z\u00fcm 2: Counting Sort Kullan\u0131m\u0131<\/h2>\n<p>E\u011fer i\u015flem tutarlar\u0131 belirli bir aral\u0131ktaysa, Counting Sort algoritmas\u0131n\u0131 kullanabiliriz.  Counting Sort, sayma i\u015flemine dayal\u0131 bir s\u0131ralama algoritmas\u0131d\u0131r ve belirli bir aral\u0131ktaki elemanlar\u0131 sayarak s\u0131ralar.  Bu y\u00f6ntem, i\u015flem tutarlar\u0131n\u0131n say\u0131s\u0131n\u0131 ve e\u015fik de\u011ferini bildi\u011fimiz zaman olduk\u00e7a h\u0131zl\u0131 ve verimli bir \u015fekilde \u00e7al\u0131\u015f\u0131r. Ancak, bu y\u00f6ntemin i\u015flem tutarlar\u0131n\u0131n aral\u0131\u011f\u0131 geni\u015f oldu\u011funda verimsiz hale gelebilece\u011fini belirtmek gerekir. Bu durumda, Counting Sort kullan\u0131m\u0131 uygun olmayacakt\u0131r.<\/p>\n<pre><code class=\"language-python\">\n# Python kodu burada yer alacak (Counting Sort kullan\u0131m\u0131 ile \u00e7\u00f6z\u00fcm)\n<\/code><\/pre>\n<h2>\u00c7\u00f6z\u00fcm 3: Do\u011frudan Yakla\u015f\u0131m<\/h2>\n<p>Son olarak, basit ve do\u011frudan bir yakla\u015f\u0131m kullanarak problemi \u00e7\u00f6zebiliriz.  Bu yakla\u015f\u0131mda, her i\u015flem tutar\u0131n\u0131 tek tek inceleyerek e\u015fik de\u011ferini a\u015fanlar\u0131n say\u0131s\u0131n\u0131 sayar\u0131z.  Bu y\u00f6ntem, basit ve anla\u015f\u0131lmas\u0131 kolayd\u0131r ancak b\u00fcy\u00fck veri setlerinde performans sorunu ya\u015fatabilir.  Zaman karma\u015f\u0131kl\u0131\u011f\u0131 O(n) olarak ifade edilebilir. Bu y\u00f6ntem, k\u00fc\u00e7\u00fck veri setleri i\u00e7in tercih edilebilir bir se\u00e7enektir.  Ancak, b\u00fcy\u00fck veri setlerinde di\u011fer iki y\u00f6nteme g\u00f6re daha az verimli olacakt\u0131r.<\/p>\n<pre><code class=\"language-python\">\n# Python kodu burada yer alacak (Do\u011frudan yakla\u015f\u0131m ile \u00e7\u00f6z\u00fcm)\n<\/code><\/pre>\n<h2>Sonu\u00e7<\/h2>\n<p>Bu makalede, HackerRank Sahtekarl\u0131k Aktivitesi problemini \u00e7\u00f6zmek i\u00e7in \u00fc\u00e7 farkl\u0131 y\u00f6ntem inceledik.  Her y\u00f6ntemin kendine \u00f6zg\u00fc avantajlar\u0131 ve dezavantajlar\u0131 vard\u0131r.  Veri setinin b\u00fcy\u00fckl\u00fc\u011f\u00fc ve i\u015flem tutarlar\u0131n\u0131n da\u011f\u0131l\u0131m\u0131, hangi y\u00f6ntemin en uygun oldu\u011funu belirlemede \u00f6nemli fakt\u00f6rlerdir.  Se\u00e7ti\u011finiz y\u00f6ntem, projenizin performans gereksinimlerine ba\u011fl\u0131 olarak de\u011fi\u015fmelidir.  Daha fazla algoritma ve veri yap\u0131s\u0131 \u00f6rne\u011fi i\u00e7in <a href=\"https:\/\/fatihsoysal.com\">fatihsoysal.com<\/a> sitesini ziyaret edebilirsiniz.<\/p>\n<h3>#Etiketler<\/h3>\n<p>#HackerRank #Sahtekarl\u0131kAktivitesi #Min-MaxHeap #CountingSort #Algoritma #VeriYap\u0131s\u0131 #Programlama #\u00c7\u00f6z\u00fcm #FatihSoysal<\/p>\n<p><\/body><br \/>\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"HackerRank Sahtekarl\u0131k Aktivitesi: \u00dc\u00e7 Farkl\u0131 \u00c7\u00f6z\u00fcm HackerRank platformunda s\u0131k\u00e7a kar\u015f\u0131la\u015f\u0131lan &#8220;Sahtekarl\u0131k Aktivitesi&#8221; problemi, belirli bir e\u015fik de\u011ferini a\u015fan&hellip;","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-22553","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.5 (Yoast SEO v25.3.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>HackerRank Sahtekarl\u0131k Aktivitesi: \u00dc\u00e7 Farkl\u0131 \u00c7\u00f6z\u00fcm<\/title>\n<meta name=\"description\" content=\"HackerRank platformunda s\u0131k\u00e7a kar\u015f\u0131la\u015f\u0131lan &quot;Sahtekarl\u0131k Aktivitesi&quot; problemi, belirli bir e\u015fik de\u011ferini a\u015fan i\u015flem tutarlar\u0131ndaki sapmalar\u0131 tespit etmeyi ama\u00e7lar. Bu problem, algoritma ve veri yap\u0131lar\u0131 bilginizi test eden g\u00fczel bir \u00f6rnektir. Bu makalede, problemi \u00e7\u00f6zmek i\u00e7in \u00fc\u00e7 farkl\u0131 yakla\u015f\u0131m\u0131 detayl\u0131 bir \u015fekilde inceleyece\u011fiz: Min-Max Heap kullan\u0131m\u0131, Counting Sort algoritmas\u0131 ve daha do\u011frudan bir yakla\u015f\u0131m. Ayr\u0131ca, her y\u00f6ntemin performans\u0131n\u0131 ve avantajlar\u0131n\u0131 kar\u015f\u0131la\u015ft\u0131raca\u011f\u0131z.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fatihsoysal.com\/blog\/hackerrank-sahtekarlik-aktivitesi-uc-farkli-cozum\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HackerRank Sahtekarl\u0131k Aktivitesi: \u00dc\u00e7 Farkl\u0131 \u00c7\u00f6z\u00fcm\" \/>\n<meta property=\"og:description\" content=\"HackerRank platformunda s\u0131k\u00e7a kar\u015f\u0131la\u015f\u0131lan &quot;Sahtekarl\u0131k Aktivitesi&quot; problemi, belirli bir e\u015fik de\u011ferini a\u015fan i\u015flem tutarlar\u0131ndaki sapmalar\u0131 tespit etmeyi ama\u00e7lar. Bu problem, algoritma ve veri yap\u0131lar\u0131 bilginizi test eden g\u00fczel bir \u00f6rnektir. Bu makalede, problemi \u00e7\u00f6zmek i\u00e7in \u00fc\u00e7 farkl\u0131 yakla\u015f\u0131m\u0131 detayl\u0131 bir \u015fekilde inceleyece\u011fiz: Min-Max Heap kullan\u0131m\u0131, Counting Sort algoritmas\u0131 ve daha do\u011frudan bir yakla\u015f\u0131m. Ayr\u0131ca, her y\u00f6ntemin performans\u0131n\u0131 ve avantajlar\u0131n\u0131 kar\u015f\u0131la\u015ft\u0131raca\u011f\u0131z.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fatihsoysal.com\/blog\/hackerrank-sahtekarlik-aktivitesi-uc-farkli-cozum\/\" \/>\n<meta property=\"og:site_name\" content=\"Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-29T21:45:16+00:00\" \/>\n<meta name=\"author\" content=\"Fatih Soysal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fatih Soysal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/hackerrank-sahtekarlik-aktivitesi-uc-farkli-cozum\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/hackerrank-sahtekarlik-aktivitesi-uc-farkli-cozum\/\"},\"author\":{\"name\":\"Fatih Soysal\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"headline\":\"HackerRank Sahtekarl\u0131k Aktivitesi: \u00dc\u00e7 Farkl\u0131 \u00c7\u00f6z\u00fcm\",\"datePublished\":\"2025-05-29T21:45:16+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/hackerrank-sahtekarlik-aktivitesi-uc-farkli-cozum\/\"},\"wordCount\":561,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/hackerrank-sahtekarlik-aktivitesi-uc-farkli-cozum\/#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/hackerrank-sahtekarlik-aktivitesi-uc-farkli-cozum\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/hackerrank-sahtekarlik-aktivitesi-uc-farkli-cozum\/\",\"name\":\"HackerRank Sahtekarl\u0131k Aktivitesi: \u00dc\u00e7 Farkl\u0131 \u00c7\u00f6z\u00fcm\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#website\"},\"datePublished\":\"2025-05-29T21:45:16+00:00\",\"description\":\"HackerRank platformunda s\u0131k\u00e7a kar\u015f\u0131la\u015f\u0131lan \\\"Sahtekarl\u0131k Aktivitesi\\\" problemi, belirli bir e\u015fik de\u011ferini a\u015fan i\u015flem tutarlar\u0131ndaki sapmalar\u0131 tespit etmeyi ama\u00e7lar. Bu problem, algoritma ve veri yap\u0131lar\u0131 bilginizi test eden g\u00fczel bir \u00f6rnektir. Bu makalede, problemi \u00e7\u00f6zmek i\u00e7in \u00fc\u00e7 farkl\u0131 yakla\u015f\u0131m\u0131 detayl\u0131 bir \u015fekilde inceleyece\u011fiz: Min-Max Heap kullan\u0131m\u0131, Counting Sort algoritmas\u0131 ve daha do\u011frudan bir yakla\u015f\u0131m. Ayr\u0131ca, her y\u00f6ntemin performans\u0131n\u0131 ve avantajlar\u0131n\u0131 kar\u015f\u0131la\u015ft\u0131raca\u011f\u0131z.\",\"breadcrumb\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/hackerrank-sahtekarlik-aktivitesi-uc-farkli-cozum\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/hackerrank-sahtekarlik-aktivitesi-uc-farkli-cozum\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/hackerrank-sahtekarlik-aktivitesi-uc-farkli-cozum\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Anasayfa\",\"item\":\"https:\/\/fatihsoysal.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"HackerRank Sahtekarl\u0131k Aktivitesi: \u00dc\u00e7 Farkl\u0131 \u00c7\u00f6z\u00fcm\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#website\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/\",\"name\":\"Fatihsoysal.com\",\"description\":\"Blog - Yaz\u0131l\u0131m D\u00fcnyas\u0131 Tecr\u00fcbelerim\",\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/fatihsoysal.com\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"tr\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\",\"name\":\"Fatih Soysal\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"tr\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/wp-content\/uploads\/2024\/04\/cropped-replicate-prediction-3kgg1hgjn5rgp0cf0p5tr0jw7w-1.png\",\"contentUrl\":\"https:\/\/fatihsoysal.com\/blog\/wp-content\/uploads\/2024\/04\/cropped-replicate-prediction-3kgg1hgjn5rgp0cf0p5tr0jw7w-1.png\",\"width\":512,\"height\":512,\"caption\":\"Fatih Soysal\"},\"logo\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/image\/\"},\"description\":\"Kullan\u0131m ve kodlama m\u00fckemmeliyetini odak alan uygulamalar olu\u015fturma deneyimine sahip, profesyonel olarak 15+ y\u0131l \u00fczeri deneyime sahip bir yaz\u0131l\u0131m m\u00fchendisi.\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/author\/fatihsoysal\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"HackerRank Sahtekarl\u0131k Aktivitesi: \u00dc\u00e7 Farkl\u0131 \u00c7\u00f6z\u00fcm","description":"HackerRank platformunda s\u0131k\u00e7a kar\u015f\u0131la\u015f\u0131lan \"Sahtekarl\u0131k Aktivitesi\" problemi, belirli bir e\u015fik de\u011ferini a\u015fan i\u015flem tutarlar\u0131ndaki sapmalar\u0131 tespit etmeyi ama\u00e7lar. 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