public static void main ( String [ ] args ) {
  int set1 [ ] = {
    1 , 7 , 10 , 13 , 14 , 19 };
    int n1 = set1 . length ;
    System . out . println ( lenghtOfLongestAP ( set1 , n1 ) ) ;
    int set2 [ ] = {
      1 , 7 , 10 , 15 , 27 , 29 };
      int n2 = set2 . length ;
      System . out . println ( lenghtOfLongestAP ( set2 , n2 ) ) ;
      int set3 [ ] = {
        2 , 4 , 6 , 8 , 10 };
        int n3 = set3 . length ;
        System . out . println ( lenghtOfLongestAP ( set3 , n3 ) ) ;
      }
      
public static void main ( String [ ] args ) { int set1 [ ] = { 1 , 7 , 10 , 13 , 14 , 19 } ; int n1 = set1 . length ; System . out . println ( lenghtOfLongestAP ( set1 , n1 ) ) ; int set2 [ ] = { 1 , 7 , 10 , 15 , 27 , 29 } ; int n2 = set2 . length ; System . out . println ( lenghtOfLongestAP ( set2 , n2 ) ) ; int set3 [ ] = { 2 , 4 , 6 , 8 , 10 } ; int n3 = set3 . length ; System . out . println ( lenghtOfLongestAP ( set3 , n3 ) ) ; }
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