String reverse with time complexity of n/2 with out using
temporary variable.

Answer Posted / anurag

int i=0,len=strlen(str);
int j=len/2;len--;
while(i<j)
{
*(str+i)^=*(str+len)^=*(str+i)^=*(str+len);
len--;i++;
}

Is This Answer Correct ?    3 Yes 1 No



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