sysy-data/functional_c/sy/44_stmt_expr.sy

#include "sylib.h"
int k;
#define n 10
int main () {
	int i = 0;
	k = 1;
	while (i <= n - 1) {
		i = i + 1;
		k + 1;
		k = k + k;
	}
	putint(k);
	return k;
}