{"id":3006,"date":"2019-12-19T13:11:54","date_gmt":"2019-12-19T12:11:54","guid":{"rendered":"https:\/\/www.webotlet.hu\/?p=3006"},"modified":"2019-12-19T13:11:54","modified_gmt":"2019-12-19T12:11:54","slug":"java-programozas-2017-majusi-emelt-informatika-erettsegi-tesztverseny-1-verzio","status":"publish","type":"post","link":"https:\/\/www.webotlet.hu\/?p=3006","title":{"rendered":"Java programoz\u00e1s \u2013 2017 m\u00e1jusi emelt informatika \u00e9retts\u00e9gi \u2013 tesztverseny (1. verzi\u00f3)"},"content":{"rendered":"

A feladat le\u00edr\u00e1s\u00e1t, melynek a megold\u00e1s\u00e1t k\u00f6zz\u00e9teszem innen<\/a> t\u00f6ltheted le. Ez a megold\u00e1s t\u00f6mbbel dolgozik.
\nAdatt\u00e1rol\u00f3 oszt\u00e1ly:<\/p>\n

\r\n\/**\r\n *\r\n * @author https:\/\/webotlet.hu\r\n *\/\r\npackage webotlet_17maj_tesztverseny;\r\n\r\npublic class Versenyzo\r\n{\r\n  private String kod;\r\n  private String valaszok;\r\n  private int pontszam;\r\n  \r\n  public Versenyzo( String[] tomb )\r\n  {\r\n    kod = tomb[0];\r\n    valaszok = tomb[1];\r\n  }\r\n\r\n  public String getKod()\r\n  {\r\n    return kod;\r\n  }\r\n\r\n  public String getValaszok()\r\n  {\r\n    return valaszok;\r\n  }\r\n\r\n  public int getPontszam()\r\n  {\r\n    return pontszam;\r\n  }\r\n\r\n  public void setPontszam(int pontszam)\r\n  {\r\n    this.pontszam = pontszam;\r\n  }\r\n\r\n  @Override\r\n  public String toString()\r\n  {\r\n    return "Versenyzo{" + "kod=" + kod + ", valaszok="\r\n      + valaszok + ", pontszam=" + pontszam + '}';\r\n  }\r\n\r\n}\r\n<\/pre>\n
A feladat megold\u00e1sai:<\/p>\n
\r\n\/**\r\n *\r\n * @author https:\/\/webotlet.hu\r\n *\/\r\npackage webotlet_17maj_tesztverseny;\r\n\r\nimport java.io.IOException;\r\nimport java.io.RandomAccessFile;\r\nimport java.util.Scanner;\r\n\r\npublic class Webotlet_17maj_tesztverseny\r\n{\r\n  public static void main(String[] args)\r\n  {\r\n    Versenyzo[] versenyzok = null;\r\n    String helyes = null;\r\n    \r\n    try\r\n    {\r\n      RandomAccessFile raf = new RandomAccessFile("valaszok.txt", "r");\r\n      String sor;\r\n      int db = 0;\r\n      helyes = raf.readLine();\r\n      for( sor = raf.readLine(); sor != null; sor = raf.readLine() )\r\n      {\r\n        db++;\r\n      }\r\n      \r\n      versenyzok = new Versenyzo[db];\r\n      raf.seek(0);\r\n      raf.readLine();\r\n      int hely = 0;\r\n      for( sor = raf.readLine(); sor != null; sor = raf.readLine() )\r\n      {\r\n        versenyzok[hely] = new Versenyzo(sor.split(" "));\r\n        hely++;\r\n      }\r\n      raf.close();\r\n    }\r\n    catch( IOException e )\r\n    {\r\n      System.out.println("HIBA");\r\n    }\r\n    \r\n\/\/    for( int i = 0; i < versenyzok.length; i++ )\r\n\/\/    {\r\n\/\/      System.out.println(versenyzok[i].toString());\r\n\/\/    }\r\n    \r\n    System.out.println("2. feladat: A vetelkedon " + versenyzok.length\r\n      + " versenyzo indult.\\n");\r\n    \r\n    System.out.print("3. feladat: A versenyzo azonositoja = ");\r\n    Scanner sc = new Scanner(System.in);\r\n    String azon = sc.nextLine();\r\n    int idx = 0;\r\n    for( int i = 0; i < versenyzok.length; i++ )\r\n    {\r\n      if( versenyzok[i].getKod().equals(azon) )\r\n      {\r\n        idx = i;\r\n        break;\r\n      }\r\n    }\r\n    System.out.println(versenyzok[idx].getValaszok()\r\n      + "   (a versenyzo valasza)\\n");\r\n    \r\n    System.out.println("4. feladat:");\r\n    System.out.println(helyes + "   (helyes megoldas)");\r\n    for( int i = 0; i < helyes.length(); i++ )\r\n    {\r\n      if( versenyzok[idx].getValaszok().charAt(i) == helyes.charAt(i) )\r\n      {\r\n        System.out.print("+");\r\n      }\r\n      else\r\n      {\r\n        System.out.print(" ");\r\n      }\r\n    }\r\n    System.out.println("   (a versenyzo helyes valaszai)\\n");\r\n    \r\n    System.out.print("5. feladat: A feladat sorszama = ");\r\n    int szam = sc.nextInt();\r\n    \r\n    int jo = 0;\r\n    for( int i = 0; i < versenyzok.length; i++ )\r\n    {\r\n      if( versenyzok[i].getValaszok().charAt(szam - 1) == helyes.charAt(szam - 1) )\r\n      {\r\n        jo++;\r\n      }\r\n    }\r\n    double szazalek = (double)jo \/ versenyzok.length * 100;\r\n    System.out.println(String.format("A feladatra %d fo, a "\r\n      + "versenyzok %.2f%%-a adott helyes valaszt.%n",\r\n      versenyzok.length, szazalek));\r\n    \r\n    \/\/ 6. feladat\r\n    int[] pontok = {3,3,3,3,3,4,4,4,4,4,5,5,5,6};\r\n    for( int i = 0; i < versenyzok.length; i++ )\r\n    {\r\n      int pontszam = 0;\r\n      for( int j = 0; j < versenyzok[i].getValaszok().length(); j++ )\r\n      {\r\n        if( versenyzok[i].getValaszok().charAt(j) == helyes.charAt(j) )\r\n        {\r\n          pontszam += pontok[j];\r\n        }\r\n      }\r\n      versenyzok[i].setPontszam(pontszam);\r\n    }\r\n    \r\n    try\r\n    {\r\n      RandomAccessFile ki = new RandomAccessFile("pontok.txt", "rw");\r\n      ki.setLength(0);\r\n      for( int i = 0; i < versenyzok.length; i++ )\r\n      {\r\n        ki.writeBytes(versenyzok[i].getKod() + " "\r\n          + versenyzok[i].getPontszam() + "\\n");\r\n      }\r\n      ki.close();\r\n    }\r\n    catch( IOException e )\r\n    {\r\n      System.out.println("HIBA");\r\n    }\r\n    \r\n    System.out.println("7. feladat: A verseny legjobbjai:");\r\n    for( int i = 0; i < versenyzok.length - 1; i++ )\r\n    {\r\n      for( int j = i + 1; j < versenyzok.length; j++ )\r\n      {\r\n        if( versenyzok[i].getPontszam() < versenyzok[j].getPontszam() )\r\n        {\r\n          Versenyzo csere = versenyzok[i];\r\n          versenyzok[i] = versenyzok[j];\r\n          versenyzok[j] = csere;\r\n        }\r\n      }\r\n    }\r\n\r\n    int helyezes = 1;\r\n    System.out.println("1. dij (" + versenyzok[0].getPontszam()\r\n      + " pont): " + versenyzok[0].getKod());\r\n    for( int i = 1; i < versenyzok.length; i++ )\r\n    {\r\n      if( versenyzok[i].getPontszam() != versenyzok[i - 1].getPontszam() )\r\n      {\r\n        helyezes++;\r\n      }\r\n      \r\n      if( helyezes <= 3 )\r\n      {\r\n        System.out.println(helyezes + ". dij (" + versenyzok[i].getPontszam()\r\n          + " pont): " + versenyzok[i].getKod());\r\n      }\r\n      else\r\n      {\r\n        break;\r\n      }\r\n    }\r\n  }\r\n}\r\n<\/pre>\n
Ha hib\u00e1t tal\u00e1lsz benne, k\u00e9rlek jelezd!<\/p>\n","protected":false},"excerpt":{"rendered":"
A feladat le\u00edr\u00e1s\u00e1t, melynek a megold\u00e1s\u00e1t k\u00f6zz\u00e9teszem innen t\u00f6ltheted le. Ez a megold\u00e1s t\u00f6mbbel dolgozik. Adatt\u00e1rol\u00f3 oszt\u00e1ly: \/** * * @author https:\/\/webotlet.hu *\/ package webotlet_17maj_tesztverseny; public class Versenyzo { private String kod; private String valaszok; private int pontszam; public Versenyzo( Tov\u00e1bb   Java programoz\u00e1s \u2013 2017 m\u00e1jusi emelt informatika \u00e9retts\u00e9gi \u2013 tesztverseny (1. verzi\u00f3)<\/span>→<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106],"tags":[108,107,109,86,144,143,183,25,26,15],"class_list":["post-3006","post","type-post","status-publish","format-standard","hentry","category-java-emelt-erettsegi-feladatok","tag-emelt","tag-emelt-erettsegi","tag-emelt-informatika-erettsegi","tag-java","tag-java_programozas","tag-programozas","tag-programozas-feladat","tag-randomaccessfile","tag-szovegfajl","tag-tomb"],"_links":{"self":[{"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=\/wp\/v2\/posts\/3006","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3006"}],"version-history":[{"count":1,"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=\/wp\/v2\/posts\/3006\/revisions"}],"predecessor-version":[{"id":3007,"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=\/wp\/v2\/posts\/3006\/revisions\/3007"}],"wp:attachment":[{"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3006"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3006"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webotlet.hu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3006"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}