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