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  2. C++
  3. Classes
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Classes and Objects

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  • trevor_baker
     + 0 comments
    class Student
{

private: 
    vector<int> scores; 

public: 
    void input()
    {
        int a, b, c, d, e; 
        cin >> a >> b >> c >> d >> e; 
        scores = { a, b, c, d ,e }; 
    };
    int calculateTotalScore()
    {
        return accumulate(scores.begin(), scores.end(), 0);
    }; 

};

  • asaman0316
     + 0 comments

    1. include

      using namespace std; class Student{ private: int q1,q2,q3,q4,q5; public: void input(){ cin >> q1 >> q2 >> q3 >> q4 >> q5; } int calculateTotalScore(){ int score; score += q1+q2+q3+q4+q5; return score; }}; int main() { int n; // number of students cin >> n; Student *s = new Student[n]; for(int i = 0; i < n; i++){ s[i].input(); } int kristen_score = s[0].calculateTotalScore(); int count = 0; for(int i = 1; i < n; i++){ int total = s[i].calculateTotalScore(); if(total > kristen_score){ count++; } } cout << count; return 0; }

  • drb_40
     + 0 comments

    Mine wors in my compiler, but when I put the exact same code in the Hackerank compiler, it gives me the wrong answer. Very bizarre:

    class Student
{
    std::vector<int> scores{};

public:
    void input()
    {
        // If std::cin buffer has '\n', then clear the buffer
        if (std::cin.peek() == '\n') {
            std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
        }

        std::string str;

        //read input and store it in a string "str", note that this includes the newline character '\n';
        std::getline(std::cin, str); //a way to remove the newline from the string

        std::stringstream iss( str );

        //convert the numbers on the string to an integers and store it as elements of vector str_int
        int score;
        while (iss >> score)
        {
            scores.emplace_back(score);
        }
    }

    int calculateTotalScore()
    {
        int total{0};
        for (const auto &num: scores)
        {
            total += num;
        }
        return total;
    }
};

  • digitalforce_ac
     + 0 comments

    No locked code int C++20

    That i lost time implementing the parsing and the reading. Fix that shit

  • sezzaldiin0
     + 1 comment
    // Write your Student class here
class Student {
private:
    vector<int> scores;

public:
    void input() {
        for (int i = 0; i < 5; i++) {
            int score;
            cin >> score;
            scores.push_back(score);
        }
    }

    int calculateTotalScore() {
        int total = 0;
        for (int i = 0; i < 5; i++) {
            total += scores[i];
        }
        return total;
    }
};