#include<stdio.h>
#include<string.h>
int main()
{
    char s[100][20];
    int i,j,n,a,b,c,d,m;
    scanf("%d\n",&n);输入数字
    for(i=0;i<n;i++)
        gets(s);输入密码
    for(i=0;i<n;i++)
    {
        if(strlen(s[i])<6)
            printf("Not Safe\n");
        else
        {
            a=0;b=0;c=0;d=0;m=0;
            for(j=0;j<strlen(s[i]);j++)判断
            {
                if(s[i][j]>='0'&&s[i][j]<='9')
                    a=1;
                else if(s[i][j]>='a'&&s[i][j]<='z')
                    b=1;
                else if(s[i][j]>='A'&&s[i][j]<='Z')
                    c=1;
                else
                    d=1;
            }
            if(a!=0)m++;
            if(b!=0)m++;
            if(c!=0)m++;
            if(d!=0)m++;
            if(m==1)
                printf("Not Safe\n");
             if(m==2)
                printf("Medium Safe\n");
             if(m==3||m==4)
                printf("Safe\n");
        }
    }

}
输入
4
1234
abcdef
ABC123
1#c3Gh

输出
Not Safe
Not Safe
Medium Safe
Safe



[ 本帖最后由 fdluli 于 2011-11-29 12:04 编辑 ]

已经改了、、希望帮忙看下

谢谢了各位、、我真是太粗心了、、