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C++ Primer第一章 笔记
序言(书籍推荐):
1.《C++标准程序库》
2.Scott Meryers 《Effective C++》
3.Anothony Williams 《C++ Concurrency in Action》 开发并发程序
4.《Linux多线程服务端编程》 服务器开发(实践)
1.1编写一个简单的C++程序
int main(){
return 0;
}
IDE(Integrated Developed Enviroments)集成开发环境
1.2初识输入输出
cerr 输出警告和错误信息
clog 输出程序运行时的一般信息
include
int main(){
std::cout<<”Enter two numbers:”<
include
/*
读两个数求他们的和
*/
int main(){
std::cout<<”Enter two numbers:”<
include
int main(){
int i=1,sum=0;
while(i<=10){
sum+=i;
i++;
}
std::cout<<”the sum of 1 to 10 is “<
include
int main(){
int sum=0;
for(int i=1;i<=10;i++){
sum+=i;
}
std::cout<<”the sum of 1 to 10 is “<
include
int main(){
int sum=0,value=0;
while(std::cin>>value) //windows系统以Crtl+Z结束输入
sum+=value;
std::cout<<”sum is “<
include
int main(){
int currVal=0,val=0;
if(std::cin>>currVal){
int count=1;
while(std::cin>>val){
if(currVal==val)
count++;
else{
std::cout<
include
int main(){
std::cout<<”Hello,World!”<
include
int main(){
int a,b;
std::cout<<”Enter two numbers:”<
include
int main(){
int a,b;
std::cout<<”Enter two numbers:”;
std::cout<
include
int main(){
std::cout<<”Hello,World!”<
include
int main(){
std::cout<<”/“; //合法 输出/
std::cout<<”/”; //合法 输出/
std::cout<
include
int main(){
int i=50,sum=0;
while(i<=100){
sum+=i;
i++;
}
std::cout<<”the sum of 50 to 100 is “<
include
int main(){
int i=9;
while(i>0){
std::cout<
include
int main(){
int a,b;
std::cin>>a>>b;
while(a
include
int main(){
int sum=0;
for(int i=50;i<=100;i++){
sum+=i;
}
std::cout<<”the sum of 50 to 100 is “<
include
int main(){
for(int i=9;i>0;i–){
std::cout<
include
int main(){
int a,b;
std::cin>>a>>b;
for(int i=a;i
include
int main(){
int sum=0,value=0;
while(std::cin>>value) //windows系统以Crtl+Z结束输入
sum+=value;
std::cout<<”sum is “<
include
int main(){
int a,b;
std::cin>>a>>b;
if(a
include
include”Sales_item.h”
int main(){
Sales_item book;
std::cin>>book;
std::cout<
include
include”Sales_item.h”
int main(){
Sales_item book1,book2;
std::cin>>book1>>book2;
std::cout<
include
include”Sales_item.h”
int main(){
Sales_item bookAll,bookCurr;
std::cin>>bookAll;
while(std::cin>>bookCurr)
bookAll+=bookCurr;
std::cout<
include
include”Sales_item.h”
int main(){
Sales_item book,currbook;
if(std::cin>>currbook){
int count=1;
while(std::cin>>book){
if(currbook.isbn()==book.isbn())
count++;
else{
std::cout<
include
include”Sales_item.h”
int main(){
Sales_item book,currbook;
if(std::cin>>currbook){
while(std::cin>>book){
if(currbook.isbn()==book.isbn())
currbook+=book;
else{
std::cout<
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