converting c++ to c code online free
#include <stdio.h>
int main()
{
   
   // C++ program to find sum of two large numbers.
#include<bits/stdc++.h>
using namespace std;
// Function for finding sum of larger numbers
string findSum(string str1, string str2)
{
	// Before proceeding further, make sure length
	// of str2 is larger.
	if (str1.length() > str2.length())
		swap(str1, str2);
	// Take an empty string for storing result
	string str = "";
	// Calculate length of both string
	int n1 = str1.length(), n2 = str2.length();
	// Reverse both of strings
	reverse(str1.begin(), str1.end());
	reverse(str2.begin(), str2.end());
	int carry = 0;
	for (int i=0; i<n1; i++)
	{
		// Do school mathematics, compute sum of
		// current digits and carry
		int sum = ((str1[i]-'0')+(str2[i]-'0')+carry);
		str.push_back(sum%10 + '0');
		// Calculate carry for next step
		carry = sum/10;
	}
	// Add remaining digits of larger number
	for (int i=n1; i<n2; i++)
	{
		int sum = ((str2[i]-'0')+carry);
		str.push_back(sum%10 + '0');
		carry = sum/10;
	}
	// Add remaining carry
	if (carry)
		str.push_back(carry+'0');
	// reverse resultant string
	reverse(str.begin(), str.end());
	return str;
}
// Driver code
int main()
{
	string str1 = "12";
	string str2 = "198111";
	cout << findSum(str1, str2);
	return 0;
}
 printf("Hello World");
    return 0;
}
