#define _CRT_SECURE_NO_WARNINGS 1

#include<stdio.h>

int main()

{

int ret = 0;

int ch = 0;

char password[20] = { 0 };

printf("请输入密码:>");

scanf("%s", password);//scanf只读取空格前的东西

while ((ch = getchar()) != '\n')

{

 ;

}

getchar();

printf("请确认(Y/N):>");

ret = getchar();

if (ret == 'Y')

{

 printf("确认成功\n");

}

else

{

 printf("放弃确认\n");

}

/*int ch = 0;

while ((ch = getchar()) != EOF)

{

 putchar(ch);

}*/

return 0;