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#include <stdio.h>
#include <stdlib.h>
#include <time.h>
void userMenu();
int setDieNumber();
int * prepareMemory(int die_number);
int throwDice();
int getHighestScore(int die_number, int * counters_array);
int throwDie();
int computeStatistics();
int showStatistics();
int main()
{
// Init the random seed
srand(time(NULL));
printf("\n=== PROGRAM FOR DICE THROW STATISTICS ===\n");
printf("By: {Christopher Amelio}\n");
userMenu();
return 0;
}
void userMenu()
{
char option = 'a';
int die_number = 0;
int games_number = 0;
int * counters_array = NULL;
while (option != 'q')
{
printf("\nUser menu:\n");
printf("\ta. Select dice number\n");
printf("\tb. Compute statistics\n");
printf("\tc. Show graphs\n");
printf("\tq. Quit program\n");
printf("Select an option: ");
scanf(" %c", &option);
switch (option)
{
case 'a':
if (counters_array != NULL)
free(counters_array);
die_number = setDieNumber();
counters_array = prepareMemory(die_number);
break;
case 'b':
if (die_number > 0)
{
printf("Playing with %d die\n", die_number);
printf("Number of games to be played: ");
scanf("%d", &games_number);
computeStatistics(die_number, games_number, counters_array);
}
else
{
printf("Error: Dice number not yet set!\n");
}
break;
case 'c':
if (counters_array)
showStatistics(die_number, games_number, counters_array);
else
printf("No data available to display\n");
break;
case 'q':
if (counters_array)
free(counters_array);
printf("Thanks for using the program! Good bye\n");
break;
default:
printf("Invalid option! Try again ...\n");
break;
}
}
}
int setDieNumber()
{
int die_number = 0;
while (die_number <= 0 || die_number > 10)
{
printf("Enter the number of dice you want to use (between 1 and 10): ");
scanf("%d", &die_number);
if (die_number <= 0 || die_number > 10)
printf("Invalid number. Try again ...\n");
}
return die_number;
}
int * prepareMemory(int die_number)
{
int * temp_array = NULL;
temp_array = malloc(sizeof (int)* (die_number * 6 + 1));
if (temp_array == NULL)
printf("Error: Not enough memory!\n");
else
printf("Memory ready for scores from %d to %d\n", die_number, die_number * 6);
return temp_array;
}
int throwDice()
{
return rand() % 6 + 1;
}
int getHighestScore(int die_number, int * counters_array)
{
int i;
int max = counters_array[die_number];
for (i = die_number + 1; i <= (die_number * 6); i++)
{
if (counters_array[i] > max)
max = counters_array[i];
}
return max;
}
// I need to throw several die at once and return the sum of their upward faces but this is not working
int throwDie(int setDieNumber, int throwDice)
{
int dice1 = 0;
int dice2 = 0;
int sum = 0;
int arr[13] = { 0 };
for (int throws = 0; throws < 20000; ++throws)
{
dice1 = throwDice;
dice2 = throwDice;
sum = dice1 + dice2;
arr[sum]++;
}
for (int i = 2; i <= 12; ++i)
{
printf(": ", arr[1]);
}
}
// I need to play a given number of games, and count the number of times each score appears and store the results in the counters array but I can't seem to get it
computeStatistics()
{
}
// Need to show a table with each possible result of throwing the number of die specified and print the number of times each result happened, and the percent of times that score appeared
showStatistics()
{
}
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