bool oo = true
int num = 0;//妳對比過幾次?
string str = " 123 ";
Random r = new Random();
string str 1 = r . Next(1000,9999)。ToString();
while (oo)
{
num+= 1;
int right count = 0;//是的,有幾個。
if(str . equals(str 1)){ right count = str . length;oo =假;繼續;}
foreach(str 1中的字符)
{
foreach(字符串中的字符c)
{
如果(s == c)
{
right count+= 1;
打破;
}
}
}
}