C++ Primer【练习】【5.20】

#include <iostream>#include <stdlib.h>#include <vector>#include <string>using std::cin;using std::cout;using std::endl;using std::vector;using std::string;int main(){string buf,mark;cin >> mark;int count = 0;while (cin >> buf)//&&!buf.empty()){if (mark == buf){count++;cout << buf << endl;break;}mark = buf;}if (count==0)cout << "There is no same words!" << endl;system("pause");}