查验身份证 C语言

#include<stdio.h>
int test(char num[])
{
	int i;
	for(i=0;i<17;i++)
	{
		if(num[i]<'0'||num[i]>'9')
		return 0;	
	}
	int sum,z;
	sum=(num[0]-'0')*7+(num[1]-'0')*9+(num[2]-'0')*10+(num[3]-'0')*5+(num[4]-'0')*8+(num[5]-'0')*4+(num[6]-'0')*2+(num[7]-'0')*1+(num[8]-'0')*6+(num[9]-'0')*3+(num[10]-'0')*7+(num[11]-'0')*9+(num[12]-'0')*10+(num[13]-'0')*5+(num[14]-'0')*8+(num[15]-'0')*4+(num[16]-'0')*2;
	z=sum%11;
	if(z==0)
	{
		if(num[17]!='1')
		return 0;
	}
	else if(z==1)
	{
		if(num[17]!='0')
		return 0;
	}
	else if(z==2)
	{
		if(num[17]!='X')
		return 0;
	}
	else if(num[17]-'0'!=12-z)
	return 0;
	return 1;
}
int main()
{
	int n,tag=0,i;
	scanf("%d",&n);
	char num[n][19];
	for(i=0;i<n;i++)
	scanf("%s",num[i]);	
	for(i=0;i<n;i++)
	{
		if(test(num[i])==0)
		{
			printf("%s\n",num[i]);
			tag=1;
		}
	}
	if(tag==0)
	printf("All passed");
}