The Great Indian Programming League 2013 - March Edition Level:Medium

Here is the Link of question and description of 

Four Persons

I am providing you the solution of the above question. My best score on this is 99.99.

Repost Code with better one.(Download COde)


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1. public class InterchangePosition {
2. 
   
3. /**
4. * @param args
5. */
6. public static void main(String[] args) {
7. // TODO Auto-generated method stub
8. String []arr = {"5#1","6#1","5#3"};
9. long x1 = System.currentTimeMillis();
10. System.out.println(get_height(arr));
11. long x2 = System.currentTimeMillis();
12. System.out.println("TIme in milli "+(x2-x1));
13. }
14. public static int get_height(String[] input1)
15.     {
16.         //Write code here
18. int count=0;
20. int f[] = new int[input1.length];
22. int value=0;
23. String s[]= new String[2];
25. if(input1.length==0)
26. return 0;
28. for(int i=0;i
29. {
31. if(Integer.parseInt(((s=input1[i].split("#"))[0]))<4 || Integer.parseInt(s[0])>7
32. || Integer.parseInt(s[1])<0 || Integer.parseInt(s[1])>11
33. )
34. {
35. //System.out.println("boom1");
36. return -1;
37. }
40. f[i] = (Integer.parseInt(s[0])) * 12 +  Integer.parseInt(s[1]);
43. }
46. for(int i : f)
47. {
48. System.out.println(""+i);
49. }
50. System.out.println("--------------");
53. for(int i=0;i<f.length;i++)
54. {
55. for(int j=i+1;j<f.length;j++)
56. {
59. if(f[i]>f[j])
60. {
61. //System.out.println("I am in "+f[i]);
62. count++;
63. }
64. }
65. }
66. return count;
67.     }
68. 
    
69. }

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public class InterchangePosition {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
String []arr = {"5#5","6#6","5#5","6#6","5#11"};
long x1 = System.currentTimeMillis();
System.out.println(get_height(arr));
long x2 = System.currentTimeMillis();
System.out.println("TIme in milli "+(x2-x1));
}
public static int get_height(String[] input1)
    {
        //Write code here

int count=0;

int f[] = new int[input1.length];

int value=0;


if(input1.length==0)
return 0;

try
{
for(int i=0;i {

if(Integer.parseInt(input1[i].substring(0, input1[i].indexOf('#')))<4 ||
  Integer.parseInt(input1[i].substring(0, input1[i].indexOf('#')))>7)
{
//System.out.println("boom1");
return -1;
}
if(Integer.parseInt(input1[i].substring(input1[i].indexOf('#')+1))<0 ||
  Integer.parseInt(input1[i].substring(input1[i].indexOf('#')+1))>11)
{
//System.out.println("boom2");
return -1;
}

value = (Integer.parseInt(input1[i].substring(0, input1[i].indexOf('#')))) * 12 +  Integer.parseInt(input1[i].substring(input1[i].indexOf('#')+1));
f[i] = value;

}
}
catch(NumberFormatException nf)
{
nf.printStackTrace();
return -1;
}


for(int i : f)
{
System.out.println(""+i);
}
System.out.println("--------------");


for(int i=0;i<f.length;i++) {
for(int j=i+1;j<f.length;j++) {


if(f[i]>f[j])
{
//System.out.println("I am in "+f[i]);
count++;
}
}
}
return count;
    }

}

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Download Code: Click Here 

Mirror: Click Here