leetcode--344. Reverse String

Write a function that takes a string as input and returns >the string reversed.

Example:

Given s = “hello”, return “olleh”.

char* reverseString(char* s)

{

char tempChar;

int prePointer = 0;

int laterPointer = strlen(s)-1;

while(prePointer < laterPointer)

{

tempChar = s[prePointer];

s[prePointer] = s[laterPointer];

s[laterPointer] = tempChar;

prePointer++;

laterPointer--;

}

return s;

}