use a array
arr[char]=count char represent say a-z
count is # of occurances
while (*s!='\0')
{
arr[*s-'a']++;
if (arr[*s-'a']==1) lastchar=*s;
}
lastchar is the last non repeating char
Best Regards
Ashish Goel
"Think positive and find fuel in failure"
+919985813081
+919966006652
On Sun, Aug 22, 2010 at 3:30 PM, Saikat Debnath <[email protected]>wrote:
> How to find last unique character in a given string. Unique character
> means non-repeated number. Give an optimized way.
>
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