[华为机试]求出数组中全部奇数之和以及全部偶数之和

#include <iostream>
#include <sstream>
#include <fstream>
#include <string>

int main()
{
int num[100];
int odd = 0, even = 0;

std::string str;
getline(std::cin, str);
std::stringstream s(str);
int j = 0;
while(getline(s, str, ','))
{
//考虑了字符串中有非数字的情况（不考虑貌似也对了）
int count = 0;
for (int i = 0; i < str.size(); i++)
{
if(str[0] == '-')
{
neg = true;
}
if (str[i] >= '0' && str[i] <= '9')
{
count++;
}
}
if (count != str.size() && !neg)
{
continue;
}
if( neg && count != str.size() - 1 )
{
neg = false;
continue;
}
num[j] = atoi(str.c_str());
if (num[j] % 2 == 0)
{
even  += num[j];
j++;
}
else
{
odd += num[j];
j++;
}
}
std::cout<<odd <<","<< even;
}