Biegral Blog

#include<iostream>
using namespace std;

int myArrayToInt(char str[])
{
	int i, sum = 0;
	for(i = 0; str[i]; i++)
	{
		// 'x' - '0' = x (x = 0, 1, 2,..., 9)
		sum = 10 * sum + str[i] - '0';
	}
	return sum;
}

int main()
{
	char str[] = "1234";
	int i = myArrayToInt(str);
	int j = 0;
	int k = i + j;
	cout << k << endl;

	return 0;
}