6.18.5-PointersOnC-20220131

因为没注意到'三目操作符'优先级比'+'低，漏了一个括号，造成内存越界，调试还看不出来，幸好有printf大法。

#include
#include
#include
//#include
void Initialize_bit(char *arr,int n);
void Clear_bit(char *arr,int n);
int Test_bit(char *arr,int n);
int main(){
	//srand((unsigned int)time(0)*10000);
	int number_max=0;
	int count_prime_number=0;
	//for(;number_max<9999;number_max=rand()%INT_MAX);
	number_max=1000;
	printf("number_max=%dn",number_max);
	int *numbers=(int *)calloc(number_max+1,sizeof(int));
	char *numbers_tag=(char *)calloc((number_max+1)/CHAR_BIT+((number_max+1)%CHAR_BIT?1:0),sizeof(char));
	for(int i=0;i>n%CHAR_BIT&1;
}