1 files changed, 102 insertions, 0 deletions
diff --git a/Bachelor/Prog1/Prakt4/prg1p4_3/main.cpp b/Bachelor/Prog1/Prakt4/prg1p4_3/main.cpp
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+++ b/Bachelor/Prog1/Prakt4/prg1p4_3/main.cpp
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+// Programmieren 1, Praktikum 4, Aufgabe 3
+// Sven Eisenhauer
+// 14.12.2004
+//
+// file: main.cpp
+//
+// purpose: Analyse multiple rolls of multiple dice
+//
+
+#include <iostream>
+
+using std::cin;
+using std::cout;
+using std::endl;
+
+#include <iomanip>
+
+using std::setprecision;
+using std::setw;
+
+// contains function prototypes for functions srand and rand
+#include <cstdlib>
+
+#include <ctime>
+
+void roll(const int, const int, int[]);
+void getPara(int &, int &);
+void printResultTbl(const int[], const int, const int);
+void printResultGrph(const int[], const int, const int);
+
+const int maxDice=20,
+		maxEyes=6,
+		minEyes=1;
+
+int main()
+{
+
+
+	int nrDice,
+		nrRolls;
+
+	int result[(maxDice*maxEyes)+1]={0};
+
+	// initialize random number generator
+	srand(time(0));
+	
+	getPara(nrDice,nrRolls);
+
+	roll(nrDice,nrRolls,result);
+
+	printResultTbl(result, nrDice, nrRolls);
+	printResultGrph(result, nrDice, nrRolls);
+
+	return 0;
+}// end main
+
+void getPara(int &nrDice,int &nrRolls)
+{
+	cout << "Please enter number of dice to roll (max. "<<maxDice<<"): ";
+	cin >> nrDice;
+	cout << "Please enter number of rolls: ";
+	cin >> nrRolls;
+} // end function getPara
+
+void roll (const int nDice, const int nrRolls, int resultArray[])
+{
+	int sum;
+
+	for (int n=1;n<=nrRolls;n++)
+	{
+		sum=0;
+		for (int i=1;i<=nDice;i++)
+			sum+=(rand()%6)+1;
+		++resultArray[sum];
+	}
+
+} // end fnction roll
+
+void printResultTbl(const int resArray[],const int nrDice, const int nrRolls)
+{
+	cout << setw(5) << "Sum" << setw(12) << "Frequency" << setw(20) << "norm. Frequency"<< endl;
+
+	for (int n=(nrDice*minEyes);n<=(nrDice*maxEyes);n++)
+	{
+		cout << setw(5) << n << setw(12) << resArray[n] << setprecision(2)<< setw(20) << (static_cast <double> (resArray[n]))/nrRolls << endl;
+	}
+}// end function printResultTbl
+
+void printResultGrph(const int resArray[],const int nrDice, const int nrRolls)
+{
+	cout << endl;
+
+	const int maxColumns=75;
+
+	for (int n=(nrDice*minEyes);n<=(nrDice*maxEyes);n++)
+	{
+		cout << setw(2) << n << ": ";
+		for (int i=0;i<static_cast <int>(((static_cast <double> (resArray[n]))/nrRolls)*maxColumns);i++)
+			cout<<"*";
+		cout << endl;
+	}
+}// end function printResultGrph
+\ No newline at end of file