hdu 1075

地址:http://acm.hdu.edu.cn/showproblem.php?pid=1075

题意:在输入的字符串里找词典中的进行替换。

mark:诚然,我很讨厌STL,但是这题要是不用STL的话简直太恶心了。最后非常慢。。。将近TLE。

代码:

 1 # include <iostream>
 2 # include <string>
 3 # include <map>
 4 # include <stdio.h>
 5 
 6 
 7 using namespace std ;
 8 char s[3010] ;
 9 
10 
11 int main ()
12 {
13     int i, len ;
14     map <string, string> mp ;
15     string str, str2 ;
16     cin >> str ;//START
17     while (1)
18     {
19         cin >> str ;
20         if (str == "END") break ;
21         cin >> str2 ;
22         mp[str2] = str ;
23     }
24     cin >> str ;//START
25     cin.getline(s, 3001) ;
26     str = "" ;
27     while (1)
28     {
29         cin.getline(s, 3001) ;
30         if (strcmp (s, "END") == 0) break ;
31         for (i = 0 ; s[i] ; i++)
32         {
33         //    if (s[i] == ' ' || s[i] == '\t' || s[i] == '\n')
34             if (s[i] < 'a' || s[i] > 'z')
35             {
36                 if (mp[str] != "") cout << mp[str] ;
37                 else cout << str ;
38                 str = "" ;
39                 cout << s[i] ;
40             }
41             else
42                 str += s[i] ;
43         }
44         if (mp[str] != "") cout << mp[str] ;
45                 else cout << str ;
46         cout << endl ;
47         str = "" ;
48     }
49     return 0 ;
50 }
原文地址:https://www.cnblogs.com/lzsz1212/p/2441677.html