POJ 2328--Guessing Game

Posted 2021-02-04 chuanwen-tech

  1 //模拟题，读错题，浪费一下午！/(ㄒoㄒ)/~~
  2 //此题的关键是最值更新，就不能说清楚嘛？？？
  3 #include<iostream>
  4 #include<cstdio>
  5 #include<algorithm>
  6 using namespace std;
  7 
  8 int main()
  9 {
 10     int n;
 11     char a[10];
 12     int maxValue=11;
 13     int minValue=0;
 14     while(cin>>n&&n)//cin和%s遇到空格或换行会结束输入
 15     {
 16         getchar();//gets前不加这个，输不进字符串
 17         gets(a);
 18 
 19         if(a[0]==‘t‘)//ad hoc针对问题，发现特征
 20         {
 21             if(a[4]==‘h‘)
 22             {
 23                 maxValue=min(maxValue,n);
 24             }
 25             else if(a[4]==‘l‘)
 26             {
 27                 minValue=max(minValue,n);
 28             }
 29         }
 30         else if(a[0]==‘r‘)
 31         {
 32             if(maxValue>n&&minValue<n)
 33                 cout<<"Stan may be honest"<<endl;
 34             else
 35                 cout<<"Stan is dishonest"<<endl;
 36             minValue=0;
 37             maxValue=11;
 38         }
 39     }
 40     return 0;
 41 }
 42 
 43 /*
 44 #include<iostream>
 45 #include<cstring>
 46 #include<cstdio>
 47 using namespace std;
 48 
 49 const int len=10;
 50 int a[len]={1,2,3,4,5,6,7,8,9,10};
 51 
 52 int main()
 53 {
 54     char s1[]="too high";
 55     char s2[]="too low";
 56     char s3[]="right on";
 57     int n;
 58     char str[10];
 59     int *head=a;
 60     int *tail=a+len-1;
 61     
 62     while(scanf("%d",&n)!=EOF&&n)//string接收空格即结束
 63     {
 64         getchar();
 65         gets(str);//不加getchar就得不到这个字符串！！！
 66         if(strcmp(str,s1)==0)//这个==0不写就找1个小时的错误吧/(ㄒoㄒ)/~~
 67         {
 68             tail=a+n-1;
 69             continue;
 70         }
 71         else if(strcmp(str,s2)==0)
 72         {
 73             head=a+n;
 74             continue;
 75         }
 76         else if(strcmp(str,s3)==0)
 77         {
 78             if(*head>n||*tail<n)
 79             {
 80                 cout<<"Stan is dishonest"<<endl;
 81                 head=a;
 82                 tail=a+len-1;
 83                 continue;
 84             }
 85             else
 86             {
 87                 cout<<"Stan may be honest"<<endl;
 88                 head=a;
 89                 tail=a+len-1;
 90                 continue;
 91             }
 92         }
 93     }
 94     return 0;
 95 }
 96 */
 97 
 98 
 99 /*错误代码
100 #include<iostream>
101 #include<cstring>
102 #include<cstdio>
103 using namespace std;
104 
105 const int len=10;
106 int a[len]={1,2,3,4,5,6,7,8,9,10};
107 
108 int main()
109 {
110     char s1[]="too high";
111     char s2[]="too low";
112     char s3[]="right on";
113     int n;
114     char str[10];
115     int *head=a;
116     int *tail=a+len-1;
117     while(scanf("%d",&n)!=EOF&&n)
118     {
119         cin.sync();
120         getchar();
121         gets(str);
122         cout<<str<<endl;
123         if(strcmp(str,s1)==0)
124         {
125             tail=a+n-1-1;
126             continue;
127         }
128         if(strcmp(str,s2)==0)
129         {
130             head=a+n;
131             continue;
132         }
133         if(strcmp(str,s3)==0)
134         {
135             if(*head==n&&*tail==n)
136             {
137                 cout<<"Stan may be honest"<<endl;
138                 head=a;
139                 tail=a+len-1;
140                 continue;
141             }
142             if(*head>n||*tail<n)
143             {
144                 cout<<"Stan is dishonest"<<endl;
145                 head=a;
146                 tail=a+len-1;
147                 continue;
148             }
149         }
150     }
151     return 0;
152 }
153 */