#include <stdio.h>
int main(void) {
int x = 0;
int y = 1;
int z = -1;
int xx = 1 & (x ^= 1);
int yy = 1 & (x ^= 1);
int zz = 1 & (x ^= 1);
printf("%d %d %d %d %d %d\n", x
, xx
, y
, yy
, z
, zz
);
return 0;
}
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