Continuing from https://cplusplus.com/forum/lounge/285914/ If you are in a school zone, either early in the morning when students are being dropped off or ... May 23, 2025 at 3:37pm [14 replies] Last:Perhaps a case of "Better, but still not good."[/i] (A phrase used by...(...
vector<int>v(myints,myints+5); vector<int>::iterator it; make_heap (v.begin(),v.end()); cout<<"initial max heap :"<<v.front()<<endl; pop_heap (v.begin(),v.end()); v.pop_back();//pop_heap并没有删除此元素,只是放到对末 cout<<"max heap after pop :"<<v.front()<<...
vector<int>v(myints,myints+5); vector<int>::iterator it; make_heap (v.begin(),v.end()); cout<<"initial max heap :"<<v.front()<<endl; pop_heap (v.begin(),v.end()); v.pop_back();//pop_heap并没有删除此元素,只是放到对末 cout<<"max heap after pop :"<<v.front()<<...
usingnamespacestd; intmain () { vector<int>myvector; vector<int>::iterator it; //set some values: for(inti=1; i<10;++i) myvector.push_back(i);//1 2 3 4 5 6 7 8 9 reverse(myvector.begin(),myvector.end());//9 8 7 6 5 4 3 2 1 //print out content: cout<<"myvect...
所以你的问题应该是: "是否 std::vector<T*>::clear() 召唤delete 在其要素上?" 而这里的答案是。不,它没有调用 delete. 你必须像在你的例子代码中所显示的那样手动操作,或者你可以(可能应该)使用对象,比如 std::string 或智能指针代替原始指针。它们为你做了内存管理,并且它们的析构函数(会被调用,见上文...
vector<int>myvector; vector<int>::iterator it; myvector.push_back(10); myvector.push_back(25); myvector.push_back(40); myvector.push_back(55); it=find_if (myvector.begin(), myvector.end(), IsOdd); cout<<"The first odd value is"<<*it<<endl; ...
vector<int>myvector; for(inti=1; i<10; i++) myvector.push_back(i);//myvector: 1 2 3 4 5 6 7 8 9 mycount=(int) count_if (myvector.begin(), myvector.end(), IsOdd); cout<<"myvector contains"<<mycount<<"odd values.\n"; ...
replace (myvector.begin(), myvector.end(),20,99);//10 99 30 30 99 10 10 99 cout<<"myvector contains:"; for(vector<int>::iterator it=myvector.begin(); it!=myvector.end();++it) cout<<""<<*it; cout<<endl; return0;
myvector.push_back(20); myvector.push_back(30); cout<<"myvector contains:"; for_each (myvector.begin(), myvector.end(), myfunction); //or: cout<<"\nmyvector contains:"; for_each (myvector.begin(), myvector.end(), myobject); ...
vector<int>v(10); vector<int>::iterator it; sort (first,first+5); sort (second,second+5); merge (first,first+5,second,second+5,v.begin()); cout<<"The resulting vector contains:"; for(it=v.begin(); it!=v.end();++it) ...