hw106

$ cat hw106.c

#include <stdio.h>

int main() {
  int x = 2;
  printf("%d %d %d\n", x * x, ++x, x++);
}

$ clang -Wall -pedantic -std=c11 -o ../../bin/hw106C hw106.c
hw106.c:6:31: warning: unsequenced modification and access to 'x' [-Wunsequenced]
  printf("%d %d %d\n", x * x, ++x, x++);
                       ~      ^
1 warning generated.
$ gcc-11 -Wall -pedantic -std=c11 -o ../../bin/hw106G hw106.c
hw106.c: In function 'main':
hw106.c:6:37: warning: operation on 'x' may be undefined [-Wsequence-point]
    6 |   printf("%d %d %d\n", x * x, ++x, x++);
      |                                    ~^~
hw106.c:6:37: warning: operation on 'x' may be undefined [-Wsequence-point]
hw106.c:6:37: warning: operation on 'x' may be undefined [-Wsequence-point]

$ ../../bin/hw106C
4 3 3
$ ../../bin/hw106G
16 4 2