#include<stdio.h>#include<string.h>int main(){int i = 0;char password[20] = { 0 };for (i = 0; i < 3; i++){printf("请输入密码:>");scanf("%s", password);if (strcmp(password, "123456") == 0){printf("登录成功\n");break;}else{printf("密码错误\n");}}if (i == 3){printf("三次密码错误,退出程序\n");}return 0;}
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