{"id":285,"date":"2006-03-21T15:54:53","date_gmt":"2006-03-21T15:54:53","guid":{"rendered":"http:\/\/fanhaijun.com\/?p=285"},"modified":"2026-04-07T14:04:17","modified_gmt":"2026-04-07T06:04:17","slug":"c%e5%ae%9e%e9%aa%8c","status":"publish","type":"post","link":"https:\/\/fanhaijun.com\/?p=285","title":{"rendered":"C++\u5b9e\u9a8c"},"content":{"rendered":"

C++\u5b9e\u9a8c\u4e09
\u70b9\u51fb\u4e0b\u8f7d<\/a>
\uff081\uff09\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
# include <iostream.h>
void main(){
    char ch;
    int nnum=0,nspace=0,nchar=0;
    cout<<"\u8bf7\u8f93\u5165\u4e00\u6bb5\u6587\u672c\uff1a"<<endl;
    do{
        ch=cin.get();
        if(ch>=48 && ch<=57){
            nnum++;}
        else if(ch==32)        {
            nspace++;}
        else
        {nchar++;}
    }
    while (ch!=EOF);
    
    cout<<"\u6570\u5b57\u4e2a\u6570"<<nnum<<endl;
    cout<<"\u7a7a\u683c\u4e2a\u6570"<<nspace<<endl;
    cout<<"\u5176\u4ed6\u5b57\u7b26\u4e2a\u6570"<<nchar-2<<endl;
}
\uff082\uff09\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
# include <iostream.h>
void main()
{
int day,month,year,sum,leap;
cout<<"please input year,month,day"<<endl;
cin>>year>>month>>day;<\/p>\n

switch(month)\/*\u5148\u8ba1\u7b97\u67d0\u6708\u4ee5\u524d\u6708\u4efd\u7684\u603b\u5929\u6570*\/
{
case 1:sum=0;break;
case 2:sum=31;break;
case 3:sum=59;break;
case 4:sum=90;break;
case 5:sum=120;break;
case 6:sum=151;break;
case 7:sum=181;break;
case 8:sum=212;break;
case 9:sum=243;break;
case 10:sum=273;break;
case 11:sum=304;break;
case 12:sum=334;break;
default:cout<<"data error"<<endl;break;
}
sum=sum+day;<\/p>\n

if(year%400==0||(year%4==0&&year%100!=0))\/*\u5224\u65ad\u662f\u4e0d\u662f\u95f0\u5e74*\/
    leap=1;
else
    leap=0;
if(leap==1&&month>2)\/*\u5982\u679c\u662f\u95f0\u5e74\u4e14\u6708\u4efd\u5927\u4e8e2,\u603b\u5929\u6570\u5e94\u8be5\u52a0\u4e00\u5929*\/
sum++;
cout<<"It is the "<<sum<<"th day."<<endl;
}
———————————————————————————-
C++\u5b9e\u9a8c\u56db
\u70b9\u51fb\u4e0b\u8f7d<\/a>
# include <iostream.h><\/p>\n

int a,b,min,max;
char inn;<\/p>\n

void input();
void process();
void output();<\/p>\n

void main()
{
input();
} <\/p>\n

void input()
{
cout<<"\u8bf7\u8f93\u5165\u7b2c\u4e00\u4e2a\u6570\u636e:";
cin>>a;
cout<<"\u8bf7\u8f93\u5165\u7b2c\u4e8c\u4e2a\u6570\u636e:";
cin>>b;
process();
output();
}<\/p>\n

void process()
{
min=a<b?a:b;
max=a>b?a:b;
while(max%min!=0)
  {
  int temp=min;
    min=max%min;
    max=temp;
  }
}<\/p>\n

void output()
{
cout<<"\u6700\u5927\u516c\u7ea6\u6570:"<<min<<endl;
cout<<"\u7ee7\u7eed<Y(yes)> OR <N(no)>\uff1f"<<endl;
cin>>inn;<\/p>\n

while ( inn==89 || inn==121 || inn==78 || inn==110)
{
  if (inn==89 || inn==121)
    input();
  if (inn==78 || inn==110)
    break;
}  
  
}
\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
\u5b9e\u9a8c\u4e94(1)
#include<iostream.h>
double fun(double);
void main()
{
while(1){
int m=0,n=0; 
cout<<"\u8bf7\u8f93\u5165m\u7684\u503c\uff1a"<<endl;
cin>>m;
cout<<"\u8bf7\u8f93\u5165n\u7684\u503c\uff1a"<<endl;
cin>>n;
if(n>=m)
cout<<"\u7ed3\u679c\u4e3a\uff1a"<<fun(n)\/(fun(m)*fun(n-m))<<endl;
else
 cout<<"\u6570\u636e\u5927\u5c0f\u4e0d\u5408\u9002\uff01"<<endl;
cout<<"\u7ee7\u7eed\uff1f<y\/n>"<<endl;
char yn;
cin>>yn;
if (yn=='n')  break;
}
}
double fun(double x)
{
double y;
if (x==0||x==1) y=1;
    else
        y=x*fun(x-1);
return y;
}
\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
\u5b9e\u9a8c\u516d
\/\/\u5b9a\u4e49\u4e00\u4e2a\u5706\u7c7b\uff08Circle\uff09,
\/\/\u5c5e\u6027\u4e3a\u534a\u5f84\u548c\u5468\u957f\u3001\u9762\u79ef\uff0c
\/\/\u64cd\u4f5c\u4e3a\u8f93\u5165\u534a\u5f84\u5e76\u8ba1\u7b97\u5468\u957f\u3001\u9762\u79ef\uff0c
\/\/\u8f93\u51fa\u534a\u5f84\u3001\u5468\u957f\u548c\u9762\u79ef\u3002
\/\/\u8981\u6c42\u5b9a\u4e49\u6784\u9020\u51fd\u6570\u548c\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u3002
#include<iostream.h>
class Circle{
    private:
        float R;\/\/\u534a\u5f84
        const float PI;\/\/pi
    public:
        void Circle::registCircle(float);
        float outr(void);
        float outc(void);
        float outs(void);
};
void Circle::registCircle(float r)
{
    R=r;
    PI=3.1415926;
}
float Circle::outr(void)
{
    return(R);
}<\/p>\n

float Circle::outc(void)
{
    float c;
    c=2*PI*R;
    return(c);
}<\/p>\n

float Circle::outs(void)
{
    float s;
    s=PI*R*R;
    return(s);
}<\/p>\n

void main()
{
    Circle yuan;
    float rr;
    cout<<"\u8bf7\u8f93\u5165\u5706\u534a\u5f84\uff1a"<<endl;
    yuan.registCircle(rr);
    cout<<"\u5706\u7684\u534a\u5f84\u4e3a\uff1a"<<yuan.outr();
    cout<<"\u5706\u7684\u5468\u957f\u4e3a\uff1a"<<yuan.outc();
    cout<<"\u5706\u7684\u9762\u79ef\u4e3a\uff1a"<<yuan.outs();
}<\/p>\n","protected":false},"excerpt":{"rendered":"

C++\u5b9e\u9a8c\u4e09\u70b9\u51fb\u4e0b\u8f7d\uff081\uff09\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[101],"tags":[],"class_list":["post-285","post","type-post","status-publish","format-standard","hentry","category-college-life"],"_links":{"self":[{"href":"https:\/\/fanhaijun.com\/index.php?rest_route=\/wp\/v2\/posts\/285","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fanhaijun.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fanhaijun.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fanhaijun.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fanhaijun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=285"}],"version-history":[{"count":0,"href":"https:\/\/fanhaijun.com\/index.php?rest_route=\/wp\/v2\/posts\/285\/revisions"}],"wp:attachment":[{"href":"https:\/\/fanhaijun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=285"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fanhaijun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=285"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fanhaijun.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=285"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}