// Rename 'unordered_map<int, char>' as 'gfg' typedefunordered_map<char,char>gfg; intmain() { // 'g' is object gfg g; // Container values // Contents are look like [a, b] [c, d] [e, f] g.insert(gfg::value_type('a','b')); g.insert(gfg::value_type('b','d'));...
{'C','E'}, {'D','K'}, {'E','S'} };cout<<"sizeof map = "<< n.size() <<endl;return0; } 输出: sizeof map = 5 示例2: // C++ program to demonstrate// unordered_mapsize() method#include<iostream>#include<string>#include<unordered_map>usingnamespacestd;intmain(){unordered...