hdu ACM Steps 1.1

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1.1.1 A+B for Input-Output Practice (I)

#include<iostream>using namespace std;int main(){    int a,b;    while (cin>>a>>b)    {        cout<<a+b<<endl;    }}

 

1.1.2 A+B for Input-Output Practice (II)

#include<iostream>using namespace std;int main(){    int a,b,tt;    cin>>tt;    for (int t=0;t<tt;t++)    {        cin>>a>>b;        cout<<a+b<<endl;    }}

 

1.1.3 A+B for Input-Output Practice (III)

#include<iostream>using namespace std;int main(){    int a,b;    cin>>a>>b;    while (a!=0 || b!=0)    {        cout<<a+b<<endl;        cin>>a>>b;    }}


 1.1.4 A+B for Input-Output Practice (IV)

#include<iostream>using namespace std;int main(){    int a,b,n;    cin>>n;    while (n!=0)    {        a=0;        for (int i=0;i<n;i++)        {            cin>>b;            a+=b;        }        cout<<a<<endl;        cin>>n;    }}


 1.1.5 A+B for Input-Output Practice (V)

#include<iostream>using namespace std;int main(){    int a,b,n,t;    cin>>t;    for (int tt=0;tt<t;tt++)    {        cin>>n;        a=0;        for (int i=0;i<n;i++)        {            cin>>b;            a+=b;        }        cout<<a<<endl;    }}

 

1.1.6 A+B for Input-Output Practice (VI)

#include<iostream>using namespace std;int main(){    int a,b,n;    while(cin>>n)    {        a=0;        for (int i=0;i<n;i++)        {            cin>>b;            a+=b;        }        cout<<a<<endl;    }}


1.1.7 A+B for Input-Output Practice (VII)

#include<iostream>using namespace std;int main(){    int a,b,n;    while(cin>>a>>b)    {        cout<<a+b<<endl<<endl;    }}


1.1.8 A+B for Input-Output Practice (VIII)

#include<iostream>using namespace std;int main(){    int a,b,n,t;    cin>>t;    for (int tt=0;tt<t;tt++)    {        cin>>n;        a=0;        for (int i=0;i<n;i++)        {            cin>>b;            a+=b;        }        cout<<a<<endl;        if (tt<t-1) cout<<endl;    }}

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