c语言表白！！！！（ps 偶然看到的）

#include<stdio.h>
#include<string>
#include<windows.h>
int main()
{
char str[3];
int flag=1;
flag:printf("Do you love me?\n");
scanf("%s",str);
if(strcmp(str,"no")!=0&&strcmp(str,"NO")!=0)
{
printf("请重新输入！！！\n");
goto  flag;

}
while(strcmp(str,"yes")!=0&&strcmp(str,"YES")!=0)
{
flag=0;
printf("I will be waiting for you\n");
Sleep(100);
printf("\n");
printf("after a long time...\n");
printf("Do you love me?\n");
scanf("%s",str);
}
if(flag==1)
printf("I love you,too\n");
else
printf("I don't love you anymore\n");
system("pause");
return 0;
}