Miscellany

#include <iostream>#include <fstream>#include <string>#include <vector>#include "diver.h"using namespace std;std::istream& read_points (std::istream& in, double d[]);double totalScore(vector<double> points, double difficulty);void updateRecord( fstream &updateFile, int id, int round, double score );int main(int argc, char *argv[]){                for(int i=0; i < argc; i++)       cout << argv[i] << endl;           if (argc < 3){        cout << "Invalid parameters" << endl;        return 0;    }                  // tempvariabler    string temp;    char temp2;    double temp3;    double difficulty = 0;    int id = 0;    int round;        // öppna fil    ifstream textFile ( argv[2] , ifstream::in );        // läs första raden (omgångens namn)    textFile >> temp;    textFile >> round;            cout << "Runda: " << round << endl;        while (!textFile.eof())    {                vector<double> points;                 textFile >> temp2; textFile >> temp2;        textFile >> id;                        textFile >> difficulty;                 while (textFile >> temp3){            points.push_back(temp3);        }                if (!textFile.eof()){            textFile.clear();        }                    // utskrift        cout << "ID: " << id << ", diff: " << difficulty << ", points: ";        for (int i=0; i<5; i++)            cout << points[i] << " ";                    double totals = totalScore(points, difficulty);        cout << " = " << totals;        cout << endl;                // uppdatera binärfilen        fstream binFile( argv[1], ios::in | ios::out | ios::binary );        updateRecord(binFile, id, round, totals);        binFile.close();    }    textFile.close();          return(0);}double totalScore(vector<double> points, double difficulty){    double min = points.at(0);    double max = points.at(0);    double sum = 0;        for (int i=0; i<7; i++){        if (points.at(i) < min)            min = points.at(i);        if (points.at(i) > max)            max = points.at(i);                sum += points.at(i);            }        return ((sum - min - max) * 3 * difficulty) / 5;}void updateRecord( fstream &updateFile, int id, int round, double score ){            // temporär "diver"    Diver the_diver;        // flytta till sökt post    updateFile.seekg(( id - 1 ) * sizeof( Diver ) );        //läs posten    updateFile.read( reinterpret_cast< char * >( &the_diver ), sizeof( Diver ) );        // uppdatera posten     the_diver.update(round, score);        //flytta filpekaren för att skriva tillbaka posten    updateFile.seekp( ( id - 1 ) * sizeof( Diver ) );        // skriv tillbaka posten    updateFile.write(      reinterpret_cast< const char * >( &the_diver ),      sizeof( Diver ) );}