sampleSet.emplace("To"); sampleSet.emplace("GeeksforGeeks"); sampleSet.emplace("Computer Science Portal"); sampleSet.emplace("For Geeks");// displaying all elements of sampleSetcout<<"sampleSet contains: ";for(autoitr = sampleSet.begin(); itr != sampleSet.end(); itr++) {cout<< *it...
c1.emplace(1); //插入函数 emplace_hint() 使用迭代器 c1.emplace_hint(ite_begin, 1); //插入函数 insert() c1.insert(1); //删除 erase() c1.erase(1);//1.迭代器 value 区域 //清空 clear() c1.clear(); //交换 swap() c1.swap(c2); 参考: https://www.geeksforgeeks.org/set-...
us.reserve(3); us.insert("geeks"); us.insert("for"); us.insert("geeks"); us.insert("users"); us.insert("geeksforgeeks");for(autoit = us.begin(); it != us.end(); it++) {cout<< *it <<" "; }return0; } 輸出: geeksforgeeks users geeks for 示例2: // C++ program to ...
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sampleSet.insert("GeeksforGeeks"); sampleSet.insert("Computer Science Portal"); sampleSet.insert("For Geeks");// displaying number of elements in bucket numbered 0cout<<"Bucket number 0 contains "<< sampleSet.bucket_size(0) <<" elements";return0; ...
1st container : GEEKS 2nd container : FOR GEEKS 示例2: #include<iostream>#include<string>#include<unordered_set>usingnamespacestd;intmain(){// sets the values in two containerunordered_set<int> first = {1,2,3}, second = {4,5,6};// beforeswapvaluescout<<"beforeswap:- \n";cout<<...
}else{cout<<"\nGeeksforGeeks is not present in the set"; }return0; } 输出: sampleSet contains: Welcome To GeeksforGeeks For Geeks Computer Science Portal GeeksforGeeks is present in the set
() function#include<iostream>#include<string>#include<unordered_set>usingnamespacestd;intmain(){unordered_set<string> sampleSet = {"geeks1","for","geeks2"};// erases a particular elementsampleSet.erase("geeks1");// displaying the set after removalcout<<"Elements: ";for(autoit = sample...
us.insert("geeks"); us.insert("users");for(autoit = us.begin(); it != us.end(); it++) {cout<< *it <<" "; }cout<<"\nThe bucket count is "<< us.bucket_count();return0; } 輸出: users for geeks The bucket count is 11 ...