/*程序說明：回車鍵作為兩個數據之間的分隔點，輸入特殊字符後也必須回車鍵才能結束，getchar（）函數必須通過換行符才能開始處理字符,支持正負數同時處理。*/
#include <iostream>
using namespace std;
bool check(char c)
{
char ch[]={'0','1','2','3','4','5','6','7','8','9','\n','-'};
for(int i=0; i<12; i++)
if( (c-ch[i]) == 0 )
return true;
return false;
}
int main()
{
double max = 0;
double min = 0;
int zero = (int)'0';
double temp = 0;
bool flag = false;
char c=getchar();
if(c == '\n' || !check(c))
{
cout<<"首次輸入數據無效！拜拜！"<<endl;
exit(0);
}
while (check(c))
{
if(c == '-')
flag = true;
else if(c != '\n')
temp = temp * 10 + (c-zero);
else
{
max = min = temp * (flag ? -1 : 1);
flag = false;
temp =0;
break;
}
c = getchar();
}
c = getchar();
while (check(c))
{
if(c == '-')
flag = true;
else if(c != '\n')
temp = temp * 10 + (c-zero);
else
{
temp *= (flag ? -1 :1);
flag = false;
if(temp > max)
max = temp;
else if(temp < min)
min = temp;
temp = 0;
}
c=getchar();
}
cout<<"max = "<<max<<endl;
cout<<"min = "<<min<<endl;
return 0;
}