void lets_go(int){
    cout << "Exit 1";
    exit(1);
}
void lets_go(int, int){
    cout << "Exit 2";
    exit(2);
}

#include <iostream>
#include <string>

using namespace std;

ostream& operator << (ostream& os, const char* s)
{
	string temp = "Welcome to " + string(s) + "\n";

	return os << temp;
}


int main()
{
	cout << "My world of Computing";

	return 0;
}

#include <stdio.h>
#define printf(string) printf("Welcome to %s\n",string);

int main(){
	printf("My World of Computing");

	return 0;
}

void main()
{
  cout << "My World of Computing" << endl;
}

void main()
{
  cout <<”My World of Computing” ;
  cout <<"What the ...";
}

#include <stdio.h>

#define printf(xx)  fputs("Welcome to ", stdout);fputs(xx, stdout);

int main()
{
    printf("My World of Computing");
        
    return 0;  
}

// Gid.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "stdio.h"
#include "conio.h"

void printf(char * textToPrint);

int main(int argc, char* argv[])
{

	printf("The world of computing");
	getchar();
	return 0;
}

void printf(char * textToPrint)
{
	fputs("Welcome to ", stdout); 
	fputs(textToPrint, stdout);

}

/* 
 *
 * This code is released to public domain: no copyright,
 * copyleft or anything else.
 *
 * Dave Evans
 * Santa Rosa, CA
 * November 2, 2004
 *
 * Here's the original code:
 *
 *************************************************************
 * #include <stdio.h>
 *
 * int main()
 * {
 *   printf("My World of Computing");
 *   return 0;
 * }
 *************************************************************
 *
 * The challenge was, without changing the body of main(),
 * to make it print the following:
 *
 *   Welcome to My World of Computing
 *
 * Now, I have discovered a wonderful way to do this, but the margins
 * of my notebook are too small to include it here (Just kidding, folks).
 *
 * Here's one way to do it:
 */
#include <stdio.h>

#define printf(x) fprintf(stdout,"Welcome to %s", x)

int main()
{
  printf("My World of Computing");
  return 0;
}

/* 
 *
 * This code is released to public domain: no copyright,
 * copyleft or anything else.
 *
 * Dave Evans
 * Santa Rosa, CA
 * November 2, 2004
 *
 * Here's the original code:
 *
 *************************************************************
 * #include <stdio.h>
 *
 * int main()
 * {
 *   printf("My World of Computing");
 *   return 0;
 * }
 *************************************************************
 *
 * The challenge was, without changing the body of main(),
 * to make it print the following:
 *
 *   Welcome to My World of Computing
 *
 * Now, I have discovered a wonderful way to do this, but the margins
 * of my notebook are too small to include it here (Just kidding, folks).
 *
 * Here's one way to do it:
 */
#include <stdio.h>
#include <string.h>            /* first line of new stuff */
int printf(const char *s,...)
{
  char st[100] = "Welcome to ";
  strcat(st, s);
  puts(st);
  return 1;
}                              /* last line of new stuff */

int main()
{
  printf("My World of Computing");
  return 0;
}

/* 
 *
 * This code is released to public domain: no copyright,
 * copyleft or anything else.
 *
 * Dave Evans
 * Santa Rosa, CA
 * November 2, 2004
 *
 * Here's the original code:
 *
 *************************************************************
 * #include <iostream>
 * using namespace std;
 * 
 * int main(){
 * 
 *    cout << "My World of Computing";
 *
 *    return 0;
 *}
 *************************************************************
 *
 * The challenge was, without changing the body of main(),
 * to make it print the following:
 *
 *   Welcome to My World of Computing
 *
 *
 * Now, I have discovered a wonderful way to do this, but the margins
 * of my notebook are too small to include it here (Just kidding, folks).
 *
 * Here's one way to do it:
 */

#include <iostream>
using namespace std;

#define cout std::cout<<"Welcome to " /* new line inserted here */

int main()
{
  cout << "My World of Computing";

  return 0;
}