ACM Steps_Chapter One_Section1

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;
	return 0;
}

A+B for Input-Output Practice (II)

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

		

A+B for Input-Output Practice (III)

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

A+B for Input-Output Practice (IV)

#include<iostream>
using namespace std;
int main()
{
	int n,sum=0,temp;
	while(cin>>n,n!=0)
	{
		while(n--)
		{
			cin>>temp;
			sum+=temp;
		}
		cout<<sum<<endl;
		sum=0;
	}
	system("pause");
	return 0;
}

A+B for Input-Output Practice (V)

#include<iostream>
using namespace std;
int main()
{
	int T,n,temp,sum=0;
	cin>>T;
	while(T--)
	{
		cin>>n;
		while(n--)
		{
			cin>>temp;
			sum+=temp;
		}
		cout<<sum<<endl;
		sum=0;
	}
	system("pause");
	return 0;
}

A+B for Input-Output Practice (VI)

#include<iostream>
using namespace std;
int main()
{
	int n,temp,sum=0;
	while(cin>>n)
	{
		while(n--)
		{
			cin>>temp;
			sum+=temp;
		}
		cout<<sum<<endl;
		sum=0;
	}
	system("pause");
	return 0;
}

A+B for Input-Output Practice (VII)

#include<iostream>
using namespace std;
int main()
{
	int a,b;
	while(cin>>a>>b)
		cout<<a+b<<endl<<endl;
	system("pause");
	return 0;
}

A+B for Input-Output Practice (VIII)

#include<iostream>
using namespace std;
int main()
{
	int T;
	int n;
	int temp;
	int sum=0;
	cin>>T;
	while(T--)
	{
		cin>>n;
		while(n--)
		{
			cin>>temp;
			sum+=temp;
		}
		if(T==0)
			cout<<sum<<endl;
		else
			cout<<sum<<endl<<endl;
		sum=0;
	}
	system("pause");
	return 0;
}