Function timeInWords

Hackerrank_problems/Time_In_Words/solution.cpp:18–54

}

string timeInWords(int h, int m) {
    // initialize string for collecting timeInWords answer
    string result = "";

    // load number vocab for reading purpose hour and minute 
    vector<string> vocab = numberVocab();

    // just concate "o' clock" usual if minute = 0
    if (m == 0) {
        result = vocab[h] + " o' clock";
    } 
    else if (1 <= m && m <= 30) {
        if (m == 15 || m == 30) {
            // select between 15 or 30
            result += m == 15 ? "quarter" : "half";
        } else {
            // convert minute into vocab and check minute unit vocab
            result += vocab[m];
            result += m == 1 ? " minute" : " minutes";
        }

        result += " past " + vocab[h]; 
    } else if (m > 30) {
        // display quarter if minute == 45
        if (m == 45) {
            result += "quarter";
        } else {
            // find how many minute left before going into next hour
            result += vocab[abs(m-60)];
            result += abs(m-60) == 1 ? " minute" : " minutes";
        }
        
        result += " to " + vocab[h+1];
    }

    return result;
}

int main()
{