Hello World [C]

Code:
#include <stdio.h>

int main(){
    printf("Hello World");
    getch();
}
Hello World [C++]

Code:
#include <iostream>
using namespace std;

int main(){
    cout << "Hello World" << endl;
    system("pause");
}
Basic Input Output With Numbers and Words [C]

Code:
#include <stdio.h>

char name; //Variable for are name
int number; //Varible for are number

int main(){
    printf("Enter your name: ");
    scanf("%s", &name);
    printf("Enter your number: ");
    scanf("%d", &number);
    system("cls");
    printf("Hello %s, your number is %d", &name, number);
    getch();
}
Basic Input Output With Numbers and Words [C++]

Code:
#include <iostream>
#include <string>
using namespace std;

string name; //Variable for are name
int number; //Variable for are number

int main(){
    cout << "Enter your name: ";
    getline(cin, name); //We use this instead of a normal cin to get the full name if the user entered any spaces
    cout << "Enter your number: ";
    cin >> number;
    system("cls");
    cout << "Hello " << name << " your number is " << number << endl;
    system("pause");
}