杭电2043

 1 #include<stdio.h>

 2 #include<string.h>

 3 int main()

 4 {

 5     int m,c,i;

 6     char s[51];

 7     while(scanf("%d",&m)!=EOF)

 8     {

 9         while(m--)

10         {

11             int t1=0,t2=0,t3=0,t4=0,sum=0;

12             scanf("%s",&s);

13             getchar();

14             c=strlen(s);

15             if(c<=50)

16             {

17             for(i=0;i<c;i++)

18             {

19                 if(s[i]>='A'&&s[i]<='Z')

20                 t1=1;

21                 if(s[i]>='a'&&s[i]<='z')

22                 t2=1;

23                  if(s[i]>='0'&&s[i]<='9')

24                 t3=1;

25                 if(s[i]==126 ||s[i]==33 ||s[i]==64 ||s[i]==35 ||s[i]==36 ||s[i]==37 ||s[i]==94)

26                 t4=1;

27             }

28             sum=t1+t2+t3+t4;

29             if(sum>=3&&c>=8&&c<=16)

30                 printf("YES\n");

31             else

32                 printf("NO\n");

33             }

34             else

35                 break;

36         }

37 

38     }

39 

40 }

注意最后记得判断密码的长度是不是在8和16之间，仔细