have a look
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package frame;
import java.util.Scanner;
/**
*
* @author Pardeep
*/
public class Reverse {
public void test(){
int n=0;
int c=0;
Scanner sc=new Scanner(System.in);
n=sc.nextInt(); //count no of testcases
sc.nextLine();
c = n;
while(n>0){
String str=sc.nextLine();
String[] inputReverse = str.split(" ");
StringBuffer sb = new StringBuffer();
for(int k = inputReverse.length -1 ; k >= 0;k--){
sb.append(inputReverse[k]);
sb.append(" ");
}
System.out.println("Case #:"+(c-n+1) +" "+sb.toString());
n--;
}
}
public static void main(String a[]){
new Reverse().test();
}
}
On Sat, Mar 24, 2012 at 12:25 AM, Ashish Kumar <[email protected]>wrote:
> i need to study ur code for the issues u wanted to explain.
> rather one suggestion if you are using java then why dont u utilize
> string.split() api ....
>
>
> On Fri, Mar 23, 2012 at 11:13 PM, Registered user <
> [email protected]> wrote:
>
>> yes as Amahdy said :
>>
>>
>>
>>
>> just introduce one more line n ur program will run correctly
>>
>>
>>
>>
>> it works.... someone plz explain why it is so....
>>
>>
>>
>>
>>
>>
>>
>>
>> import java.util.Scanner;
>>
>>
>>
>>
>> /**
>> *
>> * @author Pardeep
>> */
>> public class Reverse {
>> public void test(){
>> int n=0,l=0,i=0;
>> int j=0,c=0;
>> Scanner sc=new Scanner(System.in);
>> n=sc.nextInt(); //count no of test
>> cases
>> while(n>0){
>> String strn="";
>> String str1=sc.nextLine();
>> String str=sc.nextLine();
>> //String str=sc.nex
>>
>>
>>
>>
>> l=str.length();
>> String[] ar=new String[l];
>> j=0;
>> int count=0;
>> for(i=0;i<str.length();i++){ //count no of blank
>> spaces in string
>> if(str.charAt(i)==' '){
>> count++;
>> }
>> }
>> i=0;
>> for(i=str.length()-1;i>=0;i--){ //reverse the string
>> ar[j]=String.valueOf(str.charAt(i)); //store the value in
>> array ar[]
>> //System.out.println("while.."+ar[j]+j);
>> j+=1; //then increase
>> value in array element
>> if(str.charAt(i)==' '){ //if space occur
>> in string then pop up all array element and add in string variable
>> strn
>> for(int k=j-1;k>=0;k--){
>> strn+=ar[k];
>> }
>> j=0; // j is again
>> set to j=0
>> count--;//System.out.println(count); //count is
>> decremented
>> } //now we have
>> reversed the string and store it in string (strn),but not the first
>> word of string
>> if(count==0){ //if count
>> is zero then
>> strn+=" "; //space is
>> added to string
>> for(int m=0;m<=i;m++){ //variable
>> m is initialised to 0 and upto i
>> strn+=str.charAt(m); //store
>> each char in the string (strn)
>> }
>> i=-1;
>> }
>> }c++;
>> System.out.println("Case #:"+c +strn);
>> //Error:-output is printed (but getting space at first position)
>>
>>
>>
>>
>> n--;
>> }
>>
>>
>>
>>
>> }
>> public static void main(String a[]){
>> new Reverse().test();
>> }
>> }
>>
>>
>> On Mar 23, 10:02 pm, Amahdy <[email protected]> wrote:
>> > I think your problem is here:
>> >
>> > n = sc.nextInt();
>> >
>> > You read the integer (the count) but still at the same line, so you
>> need to
>> > move one more line by typing:
>> >
>> > sc.nextLine();
>> >
>> > After it.
>> >
>> > I'm not sure if your code is correct though.
>> >
>> > -- AMahdy!www.amahdy.net
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> > On Wed, Mar 21, 2012 at 14:20, mandy <[email protected]> wrote:
>> > > here is a link to the problem...
>> > >http://code.google.com/codejam/contest/351101/dashboard#s=p1
>> > > Input:-this is a test
>> > > Output:-test a is this
>> > > I'm getting error in output and in while loop is not executing
>> > > properly...
>> > > So pls tell me what's wrong with this code...
>> > > Thanks a lot.
>> >
>> > > Mine solution is this..
>> >
>> > > /*
>> > > * To change this template, choose Tools | Templates
>> > > * and open the template in the editor.
>> > > */
>> > > package frame;
>> >
>> > > import java.util.Scanner;
>> >
>> > > /**
>> > > *
>> > > * @author Pardeep
>> > > */
>> > > public class Reverse {
>> > > public void test(){
>> > > int n=0,l=0,i=0;
>> > > int j=0,c=0;
>> > > Scanner sc=new Scanner(System.in);
>> > > n=sc.nextInt(); //count no of test
>> > > cases
>> > > while(n>0){
>> > > String strn="";
>> > > String str=sc.nextLine();
>> > > l=str.length();
>> > > String[] ar=new String[l];
>> > > j=0;
>> > > int count=0;
>> > > for(i=0;i<str.length();i++){ //count no of blank
>> > > spaces in string
>> > > if(str.charAt(i)==' '){
>> > > count++;
>> > > }
>> > > }
>> > > i=0;
>> > > for(i=str.length()-1;i>=0;i--){ //reverse the string
>> > > ar[j]=String.valueOf(str.charAt(i)); //store the value
>> > > in array ar[]
>> > > //System.out.println("while.."+ar[j]+j);
>> > > j+=1; //then increase
>> > > value in array element
>> > > if(str.charAt(i)==' '){ //if space occur
>> > > in string then pop up all array element and add in string variable
>> > > strn
>> > > for(int k=j-1;k>=0;k--){
>> > > strn+=ar[k];
>> > > }
>> > > j=0; // j is again
>> > > set to j=0
>> > > count--;//System.out.println(count); //count is
>> > > decremented
>> > > } //now we
>> > > have reversed the string and store it in string (strn),but not the
>> > > first word of string
>> > > if(count==0){ //if count
>> > > is zero then
>> > > strn+=" "; //space is
>> > > added to string
>> > > for(int m=0;m<=i;m++){ //variable
>> > > m is initialised to 0 and upto i
>> > > strn+=str.charAt(m); //store
>> > > each char in the string (strn)
>> > > }
>> > > i=-1;
>> > > }
>> > > }c++;
>> > > System.out.println("Case #:"+c
>> > > +strn); //Error:-output is printed (but getting
>> > > space at first position)
>> >
>> > > n--;
>> > > }
>> >
>> > > }
>> > > public static void main(String a[]){
>> > > new Reverse().test();
>> > > }
>> > > }
>> >
>> > > --
>> > > You received this message because you are subscribed to the Google
>> Groups
>> > > "Google Code Jam" group.
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>> > > For more options, visit this group at
>> > >http://groups.google.com/group/google-code?hl=en.
>>
>> --
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>>
>
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