[隋堂練習] Sizeof 練習運用

周政輝

透過Sizeof函數運用
取得每一個型態所佔的記憶體大小
Ex: sizeof(int), sizeof(string)

並透過sizeof() 取得陣列大小

蔡季樺

1. #include<iostream>
   
2. #include<cstdlib>
   
3. using namespace std;
   
4. int main()
   
5. {
   
6.     int a[]={1,2,3,4,5,6,7,8,9,0};
   
7.     cout<<"int:"<<sizeof(int)<<endl;
   
8.     cout<<"string:"<<sizeof(string)<<endl;
   
9.     cout<<"char:"<<sizeof(char)<<endl;
   
10.     cout<<"float:"<<sizeof(float)<<endl;
    
11.     cout<<"double:"<<sizeof(int)<<endl;
    
12.     cout<<"陣列記憶體大小:"<<sizeof(a)<<endl;
    
13.     cout<<"int:"<<sizeof(int)<<endl;
    
14.     cout<<"陣列總長度:"<<sizeof(a)/sizeof(int);
    
15.     for(int i=0;i<sizeof(a)/sizeof(int);i++)
    
16.     {
    
17.         cout<<a[i]<<" ";
    
18.     }
    
19.     cout<<endl;
    
20.     system("pause");
    
21.     return 0;
    
22. }

複製代碼

張健勳

1. #include<iostream>
   
2. #include<cstdlib>
   
3. using namespace std;
   
4. int main()
   
5. {   
   
6.      cout<<"Sizeof練習"<<endl;
   
7.      cout<<"================="<<endl;
   
8.      cout<<"int:\t"<<sizeof(int)<<endl;
   
9.      cout<<"string:\t"<<sizeof(string)<<endl;
   
10.      cout<<"char:\t"<<sizeof(char)<<endl;
    
11.      cout<<"float:\t"<<sizeof(float)<<endl;
    
12.      cout<<"double:\t"<<sizeof(double)<<endl;
    
13.      int a[]={1,2,3,4,5,6,7,8,9,0};
    
14.      cout<<"陣列記憶體大小:\t"<<sizeof(a)<<endl;
    
15.      cout<<"int:\t"<<sizeof(int)<<endl;
    
16.      cout<<"陣列總長度為:\t"<< sizeof(a) / sizeof(int) <<endl;
    
17.      system("pause");
    
18.      return 0;
    
19. }

複製代碼

蔡庭豪

1. #include<iostream>
   
2. #include<cstdlib>
   
3. using namespace std;
   
4. int main(){
   
5.     int x[]={1,2,3,4,5,6,7,8,9,0};
   
6.     cout<<"int:"<<sizeof(int)<<endl;
   
7.     cout<<"string:"<<sizeof(string)<<endl;
   
8.     cout<<"char:"<<sizeof(char)<<endl;
   
9.     cout<<"float:"<<sizeof(float)<<endl;
   
10.     cout<<"double:"<<sizeof(double)<<endl;
    
11.     cout<<"陣列記憶體大小:"<<sizeof(x)<<endl;
    
12.     cout<<"int:"<<sizeof(int)<<endl;
    
13.     cout<<"陣列總長度"<<sizeof(x)/sizeof(int)<<endl;
    
14.     for(int i=0;i<sizeof(x)/sizeof(int);i++){
    
15.         cout<<x[i]<<",";        
    
16.     }         
    
17.     system("pause");
    
18.     return 0;
    
19. }

複製代碼