Opgaveløsning:
Anvendelse af assignments

#include <stdio.h>

int main(void) {

  int v = 8, w = 5,
      r, s;
    

  r = v = w;  // v is first assigned to the value of w (5). 
              // Next r is assigned to 5.

  printf("r = %d, v = %d, w = %d\n", r, v, w);    // 5, 5, 5

  r = v + w;  // r is assigned to the sum of v and w.
  printf("r = %d, v = %d, w = %d\n", r, v, w);    // 10, 5, 5

  // r + v = w;  // Illegal. r + w is not an illegal left hand side value.
                 // Commented out of the program.

  r + (v = w);   // v is assigned to the value of w. 
                 // 5 and 10 is added together, but the value is lost.
  printf("r = %d, v = %d, w = %d\n", r, v, w);    // 10, 5, 5

  return 0;
}