Here is the code we wrote today:

#include <stdio.h>

void function(int x);

int main() {
  printf("Hello World!\n");

  int x = 214;
  int y = 142;

  printf("print two integers: %d %d\n", x, y);

  if(y < 100)
    printf("it's less\n");
  else
    printf("it's greater\n");

  for(int i=0; i < 10; i++)
    printf("%d ", i);
  printf("\n");

  function(42);

  int array[100];
  for(int i=0; i < 100; i++)
    array[i] = 0;
  array[42] = 214;
  for(int i=0; i < 100; i++)
    printf("%d ", array[i]);
  printf("\n");

  /*
   * getting user input
   */

  scanf("%d %d", &x, &y);
  printf("You entered %d %d\n", x, y);
  
  return 0;
}

void function(int x) {
  //example function
  //takes arguments and gives return value the same as in Java
  
  printf("calling a function with argument %d\n", x);

  //return 23;  /* returns 23 */
}