c++ primer 5.5.2节练习答案

 1 #include <iostream>
 2 #include <string>
 3 #include <cstring>
 4 #include <vector>
 5 using namespace std;
 6 int main()
 7 {
 8     vector<string> str;
 9     string str1;
10     while (cin >> str1)
11     {
12         auto last = str.end();
13         if (str.size() != 0 && str1 == (*(last-1)) && isupper(str1[0]))
14         {
15             cout << str1 << endl;
16             break;
17         }
18         else
19             str.push_back(str1);
20     }
21     system("pause");
22     return 0;
23 }