1 #define _CRT_SECURE_NO_WARNINGS 1
 2 #include<stdio.h>
 3 #include<string.h>
 4 int main()
 5 {
 6     int i;
 7     char password[20]={0};
 8     for (i = 0; i < 3; i++)
 9     {
10         printf("请输入密码");
11         scanf("%s",password);
12         if (strcmp(password, "123woheta" ) == 0)
13         {
14             printf("密码正确,登陆成功");
15             break;
16         }
17         else
18             printf("密码输入错误,");
19     }
20     if (3 == i)
21         printf("请退出程序");
22     return 0;
23 }