structvector *vector_copy_create(structvector*); voidvector_copy(structvector*,structvector*); voidvector_reserve(structvector*,unsignedint); voidvector_destroy(structvector**); unsignedintvector_size(structvector*); unsignedintvector_capability(structvector*); voidvector_push_back(structvector*,void*...
intmain() { intarr[]={1,3,5,2,4,6}; //从int*复制到ostream copy(arr,arr+6,ostream_iterator(cout,"")); cout<<endl; vectorv(7,0);//提前为vector分配空间 //从int*复制到vector vector::iteratorlast=copy(arr,arr+6,v.begin()); copy(v.begin(),last,ostream_iterator(cout,""));...
transform(v.begin(),v.end(),back_inserter(vresult),A<string>());//back_inserter 将数据插入到参数的尾部,因为vector 不支持push_fronttransform(v.begin(),v.end(),front_inserter(v2result),A<string>());//不能直接写 .begin(),一定要用到front_inserter或back_copy(vresult.begin(),vresult.e...
inty_): x{x_}, y{y_} {}intx, y;};intmain(){ vector<p2d> v { p2d{2,3} };// insert copy v.push_back( p2d{6,4} ); // construct in place with // constructor ↓↓ arguments v.emplace_back(9,7); // iterator ↓ to first pos v.emplace(begin(v), 5,8); for (p2...
The return value is the position in the destination range after the last element copied (i.e. dest+N+1)。 copy runs inlineartime. 3. 程序举例: For example, the following code uses copy to both copy the contents of one vector to another and to display the resulting vector: ...
// using copy() to copy 1st 3 elements copy(v1.begin(), v1.begin()+3, v2.begin()); // printing new vector cout << "The new vector elements entered using copy() : "; for(int i=0; i<v2.size(); i++) cout << v2[i] << " "; ...
voidpr_str_vector(vector<string>vec) { for(auto&v:vec) { cout<<v<<" "; } cout<<endl; } intmain() { vector<int>a; vector<int>b(a); vector<int>c(10,23); vector<string>s1(10,"null"); vector<string>s2(10); vector<string>s3={10,"hi!"};// 重点关注 ...
#include<iostream>#include<unistd.h>#include<stdio.h>#include<string.h>#include<string>#include<vector>/* Intager in global segment. */intglobalnum=666;intmain(){/*--- test fork() ---*//* Display str. */std::string str="hello world\n";/* Intager in Stack (automatic variable ...
Vector编程范式把算子的实现流程分为3个基本任务:CopyIn,Compute,CopyOut。CopyIn负责搬入操作,Compute负责矢量计算操作,CopyOut负责搬出操作。 矢量编程基本任务设计 Cube编程范式把算子的实现流程分为5个基本任务:CopyIn,Split,Compute,Aggregate,CopyOut。CopyIn负责搬入操作,Split负责数据切分操作,Compute负责矩阵指令计算...
vector 并将 &myvec[0] 传递给例程期待一个原始数组。出于这个原因, vector 必须像原始数组一样连续存储其元素。 由于您收到“不安全操作”警告,因此您使用的是Microsoft编译器。为了安全地解决问题,你应该使用 checked_copy 算法而不是 copy 。正如Evgeny Lazin所指出的,您可以为数组创建一个已检查的迭代器,以传...