思维题+set URAL 1718 Rejudge

题目传送门

 /*
     题意：数据加10组，再删掉第6组数据，问rejudge后最少最多几个作者收到邮件
     思维题：当错在6时结果是不一定，错在7时是一定改变，因为会变成6
     思路没错，但用结构题排序一直WA，代码有毒！学习使用set容器。
 */
 #include <cstdio>
 #include <algorithm>
 #include <cstring>
 #include <cmath>
 #include <string>
 #include <iostream>
 #include <set>
 using namespace std;

 const int MAXN = 1e3 + ;
 const int INF = 0x3f3f3f3f;
 string name, res;
 set<string> mn, mx;

 int main(void)        //URAL 1718 Rejudge
 {
 //    freopen ("H.in", "r", stdin);

     int n;    scanf ("%d", &n);
     for (int i=; i<=n; ++i)
     {
         cin >> name >> res;
         if (res == "CE")    continue;
         else if (res == "AC")
         {
             mx.insert (name);    continue;
         }
         else
         {
             int x;    scanf ("%d", &x);
             if (x == )    mx.insert (name);
             else if (x == )
             {
                 mn.insert (name);    mx.insert (name);
             }
         }
     }

     printf ("%d %d\n", mn.size (), mx.size ());

     return ;
 }