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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. public static void main (String[] args) throws java.lang.Exception
  11. {
  12. int[] data = new int[] {3, 2, 5, 7, 1, 2, 8, 1};
  13. int[] noskip = new int[data.length];
  14. int[] skip = new int[data.length];
  15. noskip[0] = 1;
  16. for (int i = 1 ; i != skip.length ; i++) {
  17. noskip[i] = data[i] > data[i-1] ? noskip[i-1]+1 : 1;
  18. }
  19. skip[0] = 1;
  20. int res = 1;
  21. for (int i = 1 ; i != data.length ; i++) {
  22. skip[i] = data[i] > data[i-1] ? skip[i-1]+1 : 1;
  23. for (int j = i-1 ; j >= 0 ; j--) {
  24. if (data[j] < data[i] && noskip[j]+1 > skip[i]) {
  25. skip[i] = noskip[j]+1;
  26. }
  27. }
  28. res = Math.max(res, skip[i]);
  29. }
  30. System.out.println(res);
  31. }
  32. }
Success #stdin #stdout 0.04s 4386816KB
stdin
Standard input is empty
stdout
4