c++ map<string,string>

原文链接

#include <iostream>#include <map>#include <string>using namespace std;typedef std::map<std::string, std::string> TStrStrMap;typedef std::pair<std::string, std::string> TStrStrPair;int main(int argc, char *argv[]){TStrStrMap tMap;tMap.insert(TStrStrPair("yes", "no"));tMap.insert(TStrStrPair("up", "down"));tMap.insert(TStrStrPair("left", "right"));tMap.insert(TStrStrPair("good", "bad"));std::string s;std::cout << "Enter word: " << std::endl;;std::cin >> s;std::string strValue = tMap[s];if(strValue!=""){// Show valuestd::cout << "Opposite: " << strValue << endl;}else{TStrStrMap::iterator p;bool bFound=false;// Show keyfor(p = tMap.begin(); p!=tMap.end(); ++p){std::string strKey;strValue = s;strKey= p->second;if( strValue  == strKey){// Return keystd::cout << "Opposite: " << p->first << std::endl;bFound = true;}}// If not found opposite wordif(!bFound){std::cout << "Word not in map." << std::endl;}}return 0;}