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#include <stdio.h>

int main(void) {
	float z;
	float x;
	float y;
	
	z=x;
	x=y;
	y=z;
	printf(%f=%f/n,z,x);
	
	return 0;
}
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
prog.c: In function 'main':
prog.c:11:9: error: expected expression before '%' token
  printf(%f=%f/n,z,x);
         ^
stdout
Standard output is empty