#include<iostream>#include<string>#include<unordered_map>usingnamespacestd;typedefunordered_map<string,string> stringmap;typedefunordered_map<int,int> intmap;stringmapmerge(stringmap a,stringmap b){stringmaptmp(a); tmp.insert(b.begin(),b.end());returntmp; }intmain(intargc,char**argv){ str...
//分别定义MapKey=map<int,int>、hash_map<int,int>、unordered_map<int,int> //typedef map<int,int> MapKey; //采用map //typedef hash_map<int,int> MapKey; //采用hash_map typedefunordered_map<int,int> MapKey;//采用unordered_map intGetPidMem(pid_t pid,string& memsize) { charfilename[...
In anunordered_map, thekey valueis generally used to uniquely identify the element, while themapped valueis an object with the content associated to thiskey. Types ofkeyandmappedvalue may differ. Internally, the elements in theunordered_mapare not sorted in any particular order with respect to ...
In an unordered_map, thekey valueis generally used to uniquely identify the element, while themapped valueis an object with the content associated to thiskey. Types ofkeyandmappedvalue may differ. Internally, the elements in the unordered_map are not sorted in any particular order with respect ...
memsize=string(size)+string(unit); } fin.close();return0; }intmain(intargc,char*argv[]) {structtimeval begin;structtimeval end; MapKey MyMap; gettimeofday(&begin,NULL);for(inti=0;i<N;++i) MyMap.insert(make_pair(i,i)); gettimeofday(&end,NULL); ...