pat乙1081

总结：
1.scanf（）以空格或者回车结束
2.gets（）只以回车结束
3.如果gets（）之前有scanf（）一定要用getchar（）吃掉回车。

#include <stdio.h>
#include <math.h>
#include <string.h>
int main(){
    char password[80];
    int quantity_user;
    int dot_count=0;
    int num_count=0;
    int character_count=0;
    int lock=0;
    scanf("%d",&quantity_user);
    getchar();
    for (int i = 0; i < quantity_user; ++i) {
        gets(password);
        int j;
        int signal;
        for (signal= 0;signal<strlen(password) ; ++signal) {
        }
        if(signal<6){
            printf("Your password is tai duan le.\n");
           continue;
        }

        for (j = 0;password[j]!=0 ; ++j) {
            if(password[j]=='.'){
                dot_count++;
            } else if(password[j]>='0'&&password[j]<='9'){
                num_count++;
            } else if((password[j]>='a'&&password[j]<='z')||(password[j]>='A'&&password[j]<='Z')){
                character_count++;
            } else{
                  printf("Your password is tai luan le.\n");
                  lock=1;
                  break;
            }
        }
        if(lock==0){
            if(num_count<1){
                printf("Your password needs shu zi.\n");
            } else if (character_count<1){
                printf("Your password needs zi mu.\n");
            }else{
                printf("Your password is wan mei.\n");
            }
        }
         lock=0;
         dot_count=0;
         num_count=0;
         character_count=0;

    }
    return  0;
}