20150312_KUAS_VisualC++_Exam02

/***************************************/
/** 20150312 Exam 02                  **/
/** Maker  : Yan                      **/
/** E-Mail : [email protected] **/
/** Date   : 2015/03/12 am.11:45      **/
/***************************************/

#include <iostream> //Basic C++ I/O stream
#include <vector>

using namespace std;
int main(int argc, char const argv[]){
    int nData = 0;
    cin >> nData;

    /* Make a vector with integer type. Have 100 element, and set the value be [-1]
       If just want to make a vector:
       vector <type> [VectorName](Number of Element);

       Or your want to set the value to vector at first:
       vector <type> [VectorName](Number of Element, Value); */
    vector <int> ivector(100, -1);
    for(int i = 0; i < nData; i++){
        cin >> ivector[i * 1 + 1];
        cin >> ivector[i * 2 + 1];

        cout << "Your number:\n\t" << \
            "A = " << ivector[i * 1 + 1] << ", " << "B = " << ivector[i * 2 + 1] << endl;

        if(ivector[i * 1 + 1] == ivector[i * 2 + 1])
            cout << "G.C.D. is " << ivector[i * 1 + 1] << "." << endl << endl;
        else
            for(int j = ((ivector[i * 1 + 1] > ivector[i * 2 + 1]) ? ivector[i * 2 + 1] : ivector[i * 1 + 1]); j > 0; j--)
                if((ivector[i * 1 + 1] % j == 0) && (ivector[i * 2 + 1] % j == 0)){
                    //Greatest Common Divisor(G.C.D.)
                    cout << "G.C.D. is " << j << "." << endl << endl;
                    break;
                }
    }
    return 0;
}