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ex.c

#include "stdio.h"

int main(void) {

  // Without arrays
  int x = 0;
  int y = 0;

  // Input
  printf("Give me the 1st number: ");
  scanf("%d", &x);
  printf("Give me the 2nd number: ");
  scanf("%d", &y);

  // Now display it back
  printf("1st number: %d", x);
  printf("2nd number: %d", y);




  // With arrays
  int NUM_NUMBERS = 2;

  // 2 is in square brackets to make it an array that holds 2 ints
  int numbers[NUM_NUMBERS];

  // Input
  // Loop will run two times
  for (int i = 0; i < NUM_NUMBERS; i++) {
    printf("Give me the %d number: ", i + 1);
    scanf("%d", &numbers[i]); // i starts at zero remember
  }
  
  // Now display it back
  for (int i = 0; i < NUM_NUMBERS; i++) {
    printf("%d number: %d", i + 1, numbers[i]); // i starts at zero remember
  }

  // Done. Basically the idea is to use a for loop that iterates
  // as many times as there are item slots in the array

  return 0;
}