UVa793_skeleton.cpp

int n;
string buff;

int main()
{
    int cases;
    // Read cases
    cin >> cases;
    while(cases--)
    {
        // Read n
        cin >> n;
        // Empty this line
        getline(cin, buff);
        
        // While there is a next line and the next line is not empty
        while(getline(cin, buff) && buff != "")
        {
            char c;
            int i1, i2;
            stringstream ss(buff);
            // Put 'buff' in a stream that can be used like cin
            // Extract from the stream the char and the 2 numbers
            ss >> c >> i1 >> i2;
            
            /**
             * Do something
             */
        }
        
        /**
         * Do something
         */

        if(cases > 0)
            cout << "\n";
    }
}