#include <iostream>
#include <iomanip>
#include <fstream>
#include <vector>
#include <string>
#include <cstdlib>
//********************
// You may NOT add other #includes nor try to call other library functions
// not given in the above headers/libraries. You have to write other desired
// functionality yourself
//********************
using namespace std;


struct StudentPrediction {
    string name;
    int low;
    int high;
    int actual;
};


class GradeCheck {
public:
    GradeCheck(int maxScore);
    ~GradeCheck();
    bool readPredictions(const char* predictionFilename);
    bool addActualScore(string name, int score);
    double getPercentAccurate() const;
private:
    int maxScore_;
    vector<StudentPrediction> predictions_;
    // ==== Task 1: ADD NECESSARY DATA MEMBERS HERE =====
};


GradeCheck::GradeCheck(int maxScore) {
    // ==== Task 2a: Any necessary code here ====
}

GradeCheck::~GradeCheck() {
    // ==== Task 2b: Any necessary code here ====
}


bool GradeCheck::readPredictions(const char* predictionFilename) {
    // ==== Task 3: Your code here ====
}

bool GradeCheck::addActualScore(string name,  int score) {
    // ==== Task 4: Your code here ====
}

// Must run in O(1) time
double GradeCheck::getPercentAccurate() const
{   // ==== Task 5: Your code here ====
}

//**************************************
// Do not change these 2 lines and don't
// add any lines between them and main()
//**************************************
#ifndef AUTO_TEST
#define AUTO_TEST
int main(int argc, char* argv[])
{
    if(argc < 3) {
        cout << "Usage: " << argv[0] << " <maxScore> <roster file>" << endl;
        return 1;
    }
    // ==== Task 6a: Add your code here to read maxScore from the command line ====

    GradeCheck gc(maxScore);
    if(gc.readPredictions(argv[2])) {
        cout << "Error during init" << endl;
        return 1;
    }
    while(true) {
        cout << "Enter name and actual score: " << endl;
        string name;
        int actual;
        cin >> name >> actual;
        // ==== Task 6b: Add the condition to halt the program on the appropriate input

        gc.addActualScore(name, actual);
    }
    cout << fixed << setprecision(2);
    cout << "Number of correct predictions: " << gc.getPercentAccurate() << endl;
    return 0;
}
//****************************************
// Do not change the following line
//****************************************
#endif