题解 | 登录验证

#include <stdio.h>  
#include <string.h>  

int main() {  
    char username[50], password[50];  

    while (scanf("%s %s", username, password) != EOF) {  
        if (strcmp(username, "admin") == 0 && strcmp(password, "admin") == 0) {  
            printf("Login Success!\n");  
        } else {  
            printf("Login Fail!\n");  
        }  
    }  

    return 0;  
}