text: // Copyright (c) 2012 MIT License by 6.172 Staff
  
  #include <stdio.h>
  #include <stdlib.h>
  #include <stdint.h>
  
  void swap(int* i, int* j) {
    int temp = *i;
    *i = *j;
    *j = temp;
  }
  
  int main() {
    int k = 1;
    int m = 2;
    swap(&k, &m);
    // What does this print?
    printf("k = %d, m = %d\n", k, m);
  
    return 0;
  }
  