/*title*/

/* Program is to simulate a casino game*/

#include <stdio.h>
#include <stdlib.h>

void mainmenu(void);
int pairofdice(void); /*c represents chips, k represents cash*/
int craps(int c);
int arupsdice(int c);
int buychips(int k); 
int sellchips(int c);
int sellallchips(int c);
void statusreport(int c, int k);



int main (void) {
	
	int cash=1000, numchips=0, change_in_cash=0;
	int menuchoice, loop=1;

	while (loop == 1){
		mainmenu();
		scanf("%d", &menuchoice);
		printf("\n");
	
		if (menuchoice <= 6 && menuchoice >=1){
			if (menuchoice == 1){
				change_in_cash = buychips(cash);
				cash -= change_in_cash;
				numchips += (change_in_cash/11);
				change_in_cash = 0;
			}
			if (menuchoice == 2){
				change_in_cash = sellchips(numchips);
				cash += change_in_cash;
				numchips -= (change_in_cash/10);
				change_in_cash = 0;
			}
			if (menuchoice == 3){
				numchips = craps(numchips);
			}
			if (menuchoice == 4){
				numchips = arupsdice(numchips);
			}
			if (menuchoice == 5){
				statusreport(numchips, cash);
			}
			if (menuchoice == 6){
				change_in_cash = sellallchips(numchips);
				cash += change_in_cash;
				
				printf("Thank you for playing Casino.\nYou have finished with a total of $%d.\n", cash);
				loop = 0;
			}
		}
		else {
			printf("Not a valid choice.");
		}
	}

	return 0;
}


void mainmenu (void)	{

	printf("Welcome to the Casino.  Please make a selection\n");
	printf("1)Buy chips\n2)Sell chips\n3)Play Craps\n4)Play Arup's Game of Dice\n5)Status Report\n6)Quit\n");

}


int pairofdice(void) {

	int total, a, b;
	a = 1+rand()%6;
	b = 1+rand()%6;
	
	total = a+b;
	
	return total;
}


int craps(int chips) {

	int chips_won, total_chips, how_many, dice, k, pop=1;
	
	printf("You have %d chips\n", chips);
	printf("How many chips would you like to bet?  ");
	scanf("%d", &how_many);
	printf("\n");
	
	if (how_many > chips){
		printf("NOT ENOUGH CHIPS!!!  No game played\n");
		return 0;
	}
	else {
		dice = pairofdice();
		printf("You rolled a %d.\n", dice);
		
		if (dice == 7 || dice==11){
			printf("You Win!!!  %d chips have been added to your total.\n", how_many);
			total_chips = chips + how_many;
		}
		if (dice == 2 || dice == 3 || dice == 12){
			printf("You Lose.  %d chips have been deducted from your total.\n", how_many);
			total_chips = chips - how_many;
		}
		else {
			while (pop==1){
				k = pairofdice();
				if (k == dice){
					printf("You Win!!!  %d chips have been added to your total.\n", how_many);
					total_chips = chips + how_many;
					pop = 0;
				}
				if (k == 7){
					printf("You Lose.  %d chips have been deducted from your total.\n", how_many);
					total_chips = chips - how_many;
					pop = 0;
				}
			}
			
		}
	}
	return total_chips;
}


int arupsdice(int chips) {

	int chips_won, total_chips, how_many, dice, k;
	
	printf("You have %d chips\n", chips);
	printf("How many chips would you like to bet?  ");
	scanf("%d", &how_many);
	printf("\n");
	
	if (how_many > chips){
		printf("NOT ENOUGH CHIPS!!!  No game played\n");
		return 0;
	}
	else {
		dice = pairofdice();
		printf("You rolled a %d.\n", dice);
		
		if (dice == 12 || dice == 11){
			printf("You Win!!!  %d chips have been added to your total.\n", how_many);
			total_chips = chips + how_many;
		}
		if (dice == 2){
			printf("You Lose.  %d chips have been deducted from your total.\n", how_many);
			total_chips = chips - how_many;
		}
		else {
			k = pairofdice();
			if (k > dice){
				printf("You Win!!!  %d chips have been added to your total.\n", how_many);
				total_chips = chips + how_many;
			}
			else{
				printf("You Lose.  %d chips have been deducted from your total.\n", how_many);
				total_chips = chips - how_many;
			}
			
		}
	}
	return total_chips;
}


int buychips(int cash) {

	int how_many, cash_required;
	
	printf("You have $%d\n", cash);
	printf("How many chips would you like to buy?  ");
	scanf("%d", &how_many);
	printf("\n");
	cash_required = (how_many*11);
	
	if (cash_required > cash){
		printf("NOT ENOUGH CASH!!!\n");
		return 0;
	}
	else {
		return cash_required;
	}
}


int sellchips(int chips) {

	int how_many, cash_made;
	
	printf("You have %d chips\n", chips);
	printf("How many chips would you like to sell?  ");
	scanf("%d", &how_many);
	printf("\n");
	cash_made = (how_many*10);
	
	if (how_many > chips){
		printf("NOT ENOUGH CHIPS!!!\n");
		return 0;
	}
	else {
		return cash_made;
	}
}


int sellallchips(int chips) {
	
	int cash_made;
	cash_made = (chips*10);
	
	return cash_made;
	
}


void statusreport(int chips, int cash) {

	printf("Status: You currently have %d chips and $%d.\n", chips, cash);
}

/*
  March 26, 2004
  Program 4
*/

/* Program is supposed to read in grades for a given number of classes
   and output the averages for each class*/

#include <stdio.h>
#include <stdlib.h>

int main (void) {
	
	int classes, students[50], grades[50], averages[50], above[50];
	int i, j, k, x, y, z;
	
	printf("How many classes?\n");
	scanf("%d", &classes);
	printf("\n");
	
	for (i = 1; i <= classes; ++i){
		printf("How many students in class %d?\n", i);
		scanf("%d", &students[i]);
		printf("\n");
		
		printf("Input grades\n");
		for (j = 1; j <= students[i]; ++j){
			scanf("%d", &grades[j]);
			printf ("\n");
			x += grades[j];
		}

		y = x / students[i]; /*find average*/
		averages[i] = y; /*read average into array*/
		k = 0;
		for (j = 1; j <= students[i]; ++j){
			while (grades[j] > averages[i]){
				k += 1;
			}
			averages[i] = k;
		}
		printf("\n");
	}
	
	for (j = 1; j <= classes; ++j){
		printf("Class %d had %d students, an average of %d and %d grades above average.\n", j, students[j], averages[j], above[j]);
	}
	return 0;
}