几个数字的和

 

ctrl +z 的使用

#include<iostream>
using namespace std;

   main()
{
    int num,sum=0;

    while(cin>>num)                
    
    {

       
        sum+=num;
    }
    cout<<"和为"<<sum<<endl;
}

#include<iostream> using namespace std;

   main()

{  

   int num,sum=0;

    while(cin>>num)                       

{

               sum+=num;    

}  

   cout<<"和为"<<sum<<endl;

}

 

*************************************************************************************************************************************

以 0 结束

#include<iostream>
using namespace std;

main()
{
    int num,sum=0;

    while (cin>>num,num)

    {


        sum+=num;
    }
    cout<<"和为"<<sum<<endl;
}

#include<iostream>

using namespace std;

main()

{   

  int num,sum=0;

    while (cin>>num,num)

    {

        sum+=num;

    }

    cout<<"和为"<<sum<<endl;

}

**********************************************************************************************************************************************

 以 # 结束

#include<iostream>
using namespace std;

main()
{
    int num,sum=0;

    while (cin>>num && num !='#')

    {


        sum+=num;
    }
    cout<<"和为"<<sum<<endl;
}

#include<iostream>

using namespace std;

main()

{   

  int num,sum=0;

    while (cin>>num && num !='#')

    {

        sum+=num;  

   }    

cout<<"和为"<<sum<<endl;

}

 

****************************************************************************************************************************

#include<iostream>
using namespace std;

main()
{
    int n,num,sum=0;

    cin>>n;                 
    while(n--)
    {

        cin>>num;
     
        sum+=num;
    }
    cout<<"和为"<<sum<<endl;
}

#include<iostream>

using namespace std;

main() {    

int n,num,sum=0;

    cin>>n;                    

while(n--)   

  {

        cin>>num;       

       sum+=num;   

  }    

cout<<"和为"<<sum<<endl;

}

#include<iostream>
using namespace std;

   main()
{
    int i,n,num,sum=0;

    cin>>n;                 
    for (i=0;i<n;i++)
    {

        cin>>num;
        sum+=num;
    }
    cout<<"和为"<<sum<<endl;
}

#include<iostream>

using namespace std;

   main()

{    

int i,n,num,sum=0;

    cin>>n;                    

for (i=0;i<n;i++)  

   {

        cin>>num;      

   sum+=num;   

  }   

  cout<<"和为"<<sum<<endl;

}

*************************************************************************************************************************************************