You should subtract value 0 from each character of string.
On Thu, Sep 8, 2011 at 2:18 AM, micke <[email protected]> wrote:
> Question :
>
> write program which takes a single argument. The single argument is a
> string s, which contains only non-zero digits.
> This function should print the length of longest contiguous substring
> of s, such that the length of the substring is 2*N digits and the sum
> of the leftmost N digits is equal to the sum of the rightmost N
> digits.If there is no such string, your function should print 0.
> Sample Test Cases:
>
> Input #00:
> 123231
>
> Output #00:
> 6
>
>
> ----------------------------------------------------------------------------------------------------------------------------------------------
> my solution is :
>
>
> public class Str {
> public static void main(String args[])
> {
>
> String str1 = "123231";
> int[] str = new int[str1.length()];
> for(int k=0 ;k<str1.length();k++)
> {
> str[k] =(str1.charAt(k));
> }
>
> // int str[] = {1,2,3,2,3,1}; // problem here in
> conversion in this manner
> int len = str.length;
> int sum = 0;
> int sum1 =0;
> for(int i=0;i<(len/2);i++)
> {
> sum = sum+str[i] - '0';
> }
>
> for(int j=(len/2);j<(len);j++)
> {
> sum1 = sum1+str[j] - '0';
> }
>
> if((sum==len)&&(sum1==len))
> {
> System.out.println(len);
> }
> else
> {
> System.out.println(0);
> }
> }
>
> }
>
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