c++ 문법 공부하기 7

c++ 문법 공부하기 7

 
// cout 한문장으로 사용자의 숫자에 따라 다음 문장을 출력하시오
// 입력 : 1 출력 : You have 1 item 입력 : 3 출력 : You have 3 items
 
#include <iostream>
 
using namespace std;
 
int main()
{
    int a;
    cout << "입력 : ";
    cin >> a;
    cout << "\n출력 : "<< "You have " << a <<((a==1)?" item" : " items");
    return 0;
}
 

#include <iostream>
 
using namespace std;
 
int main()
{
    int a,b,c;
    int &d=a;
    a=1;
    cout << a << endl;
    (a<<=1+2);  
    cout << a << endl;
    (a*=b=c=3);
    cout << a << endl;
    (a=b==c+2);
    cout << a << endl;
    (d=5);
    cout << a << endl;
 
    return 0;
}


#include <iostream>
using namespace std;
 
int Plus(int a, int b);
int Minus(int a, int b);
int main()
{
    int A,B;
    cout << "Input 2 Numbers: ";
    cin >> A >> B;
    cout << "\n" << "     " << A <<" + " << B << "= " <<Plus(A,B)<<endl;
    cout<< "     " << A <<" - " << B << "= " <<Minus(A,B)<<endl;
    return 0;
}
int Plus(int a, int b)
{
    return a+b;
}
int Minus(int a, int b)
{
    return a-b;
}