Accelerated C++ 第三章 3.3

#include <iostream>#include <iomanip>#include <vector>#include <string>using namespace std;int main(){vector<string> strChr;vector<int> nCount;string strTemp;cout<<"please input characters :"<<endl;while(cin>>strTemp){if (strTemp.empty())break;if(strChr.empty()){strChr.push_back(strTemp);//将字符串存入vectornCount.push_back(1);//增加第一项的计数}else{vector<int>::size_type vec_sz = strChr.size();vector<int>::size_type i = 0;bool t = false;//表明是否添加引用计数while (i < vec_sz){if (strTemp == strChr[i]){nCount[i]++;t = true;}if (t)break;elsei++;}if (!t){strChr.push_back(strTemp);nCount.push_back(1);}}}vector<int>::size_type i = 0;while (i < strChr.size()){cout<<"the num of "<<strChr[i]<<" is :"<<nCount[i]<<endl;i++;}return 0;}

VS2008下测试通过.