c++ find 在容器中查找元素

int arr[] = {1,2,3,4,5};
size_t arr_size = sizeof(arr)/sizeof(int);
vector<int> vecArr(arr, arr+arr_size);
vector<int>::iterator ite = find(vecArr.begin(),vecArr.end(),3);
if(ite!=vecArr.end()) {
cout<<*ite<<endl;
}