Programming Technical Interview Questions
This site features a collection of common technical interview questions gathered by a group of programmers who have been through, and given, lots of technical interviews. There is an emphasis on C++ and game programming technical interviews, but most of the questions are relevant to any technical interview.
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C/C++ Interview Questions, Optimization Questions

Write a function that will reverse a string in-place. Assume that the string is null-terminated.

void reverseString(char *aString)
{

1 Comment so far
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Not pretty but easy

void reverseString(char *aString)
{
int iEnd = strlen(aString);
iEnd–; // need to offset last character
int iStart = 0;

while( iEnd > iStart )
{
char c = aString[iStart];
aString[iStart] = aString[iEnd];
aString[iEnd] = c;
iEnd–;
iStart++;
}
}

By stephane on 03.20.08 2:48 pm | Permalink

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