健亨網路行銷-seo上首頁 下拉關鍵字 部落格行銷

1.
#include<iostream>
using namespace std;
int sum(int );
int main(){
int n = 10*11/2;
cout << "總共執行" << sum(n) << "次" << endl;
return 0;}
int sum(int n){
static int total = 0, times = 0;//等於直接在main函式宣告
if( n == total )
return times;
else{
total += ++times;// times = times +1; total = total + times;
return sum(n);
}
}

2.
#include<iostream>
using namespace std;
class person{
private:
int weight, age;
double height;
public:
person(int w, double h, int age){
weight = ( w > 0 )? w : 0;
this->age = ( age > 0 )?age : 0;
height = ( h >= 1.0 )?h : 0.0;
}
void runTempo(){
cout << "速度為" << height*100/weight << endl;
}
void BMI(){
cout << "BMI = " << weight/height << endl;
}
};

int main(){
person people(50, 1.7, 20);
people.runTempo();
people.BMI();
return 0;}
3.
#include<iostream>
#include<cstdlib>
#include<ctime>
using namespace std;

int main(){
srand((unsigned)time(NULL));
int loto[7];
for(int index = 0 ; index < 7 ; ++ index ){
loto[index] = 1 + rand()%49;
for(int i = 0 ; i < index ; ++ i)
if( loto[i] == loto[index] ){
-- index;
i = index;//break;
}
}
return 0;}

創作者介紹

胡明杰

健亨網路行銷-seo上首頁 下拉關鍵字 部落格行銷