String_to_Integer_(atoi).cpp

/*
 Author:     Weixian Zhou, ideazwx@gmail.com
 Date:       Jul 24, 2012
 Problem:    String to Integer (atoi)
 Difficulty: boring
 Source:     http://www.leetcode.com/onlinejudge
 Notes:
 Implement atoi to convert a string to an integer.

 Hint: Carefully consider all possible input cases. If you want a challenge,
 please do not see below and ask yourself what are the possible input cases.

 Notes: It is intended for this problem to be specified vaguely (ie, no given
 input specs). You are responsible to gather all the input requirements up front.

 Solution:
 1) characters
 2) float number
 3) overflow
 */
#include <vector>
#include <set>
#include <climits>
#include <algorithm>
#include <iostream>
#include <sstream>
#include <cmath>
#include <cstring>
using namespace std;

class Solution {
public:
	int atoi(const char *str) {
	}
};