/****************************************************************************** ******************************************************************************VENDING MACHINE SYSTEM ****************************************************************************** ******************************************************************************/ #include <cstdlib> #include <iostream> #include <iomanip> using namespace std; const int TEH_TARIK = 0; const int NESCAFE = 1; const int HORLICK = 2; const int TEH_O = 3; float gPrice[4] = {1,1.1,1.2,.9}; int gDrinks[4] = {0,0,0,0}; int gCoins[4] = {0,0,0,0}; float gCash = 0; void Write_Menu(); void Get_Selection (int&, float&); float Get_Money(float&); float Get_Change(float, float); void Write_Change(float); void Write_Report_Cash_Out(const int coin[]); void Write_Report_Drinks (const int drinks[]); void Write_Report_Cash_In(); int main(int argc, char *argv[]) { int selection=0; float price; float money; float change; while(selection !=6) { Write_Menu(); Get_Selection(selection, price); if(selection<5) { money= Get_Money(gCash); change= Get_Change(money, price); Write_Change(change); } } system("PAUSE"); return EXIT_SUCCESS; } // End of function main void Write_Menu() { cout.setf(ios::fixed); cout.setf(ios::showpoint); cout.precision(2); cout<<" "<<endl<<endl; cout<<" ********************************** "<<endl; cout<<" * * "<<endl; * "<<endl; cout<<" * VENDING MACHINE cout<<" * * "<<endl; cout<<" * Teh Tarik\t- "<<gPrice[TEH_TARIK]<<"\t- Press 1 * "<<endl; cout<<" * Nescafe\t- "<<gPrice[NESCAFE]<<"\t- Press 2 * "<<endl; cout<<" * Horlick\t- "<<gPrice[HORLICK]<<"\t- Press 3 * "<<endl; cout<<" * Teh 'O'\t- "<<gPrice[TEH_O]<<"\t- Press 4 * "<<endl; cout<<" * Print Report\t\t- Press 5 * "<<endl; cout<<" * Terminate\t\t- Press 6 * "<<endl; cout<<" * * "<<endl; cout<<" ********************************** "<<endl; } // End of function Write_Menu void Get_Selection(int& selection, float &price) { int n; cout.setf(ios::fixed); cout.setf(ios::showpoint); cout.precision(2); cout<<" Please enter your selection. "<<endl; cout<<" Then press Enter. "<<endl; cout<<" Your selection > "; cin>>selection; switch (selection) { case 1: cout<<" Your chose Teh Tarik - "<<TEH_TARIK<<endl; price= gPrice[TEH_TARIK]; break; case 2: cout<<" Your chose Nescafe - "<<NESCAFE<<endl; price= gPrice[NESCAFE]; break; case 3: cout<<" Your chose Horlick - "<<HORLICK<<endl; price= gPrice[HORLICK]; break; case 4: cout<<" Your chose Teh 'O' - "<<TEH_O<<endl; price= gPrice[TEH_O]; break; case 5: Write_Report_Cash_Out(gCoins); Write_Report_Drinks(gDrinks); Write_Report_Cash_In(); price=0; break; case 6: price=0; break; default: price=0; cout<<" You must enter a selection between 1 and 6, Thank You!"<<endl; cout<<endl; } } // End of function Get_Selection float Get_Money (float& cash) { cout.setf(ios::fixed); cout.setf(ios::showpoint); cout.precision(2); float money; cout<<" Please enter the RM amount"<<endl; cout<<" you are spending. Then press Enter."<<endl; cout<<" Your spending > RM "; cin>>money; cout<<endl; while (money<0) /*Looping function to make sure amount entered by customers is valid*/ { cout<<" The amount you have entered is invalid!"<<endl; cout<<" Please enter a valid amount : RM "; cin>>money; cout<<endl; } while (money>2.0) /*Looping function to make sure customers are not spending more than RM 2.00*/ { cout<<" This vending machine cannot accept more than RM 2.00"<<endl; cout<<" Please take back your all your amount"<<endl; cout<<endl; cout<<" Re-enter new amount not more than RM 2.00"<<endl; cout<<" Your spending > RM "; cin>>money; cout<<endl; while (money<0) /*Looping function to make sure amount entered by customers is valid*/ { cout<<" The amount you have entered is invalid!"<<endl; cout<<" Please enter a valid amount : RM "; cin>>money; cout<<endl; } } return money; } // End of function Get_Money float Get_Change(float money, float price) { cout.setf(ios::fixed); cout.setf(ios::showpoint); cout.precision(2); float change, add; while (money<price) /* Looping function to make sure that amount entered by customers is enough to buy a selected drink*/ { cout<<" Your current amount is not enough to buy your selected drink "; cout<<endl; cout<<" Your current amount : RM "<<money<<endl; cout<<endl; cout<<" Please add more amount : RM "; cin>>add; cout<<endl; while (add<0) /*Looping function to make sure amount entered by customers is valid*/ { cout<<" The amount you have entered is invalid!"<<endl; cout<<" Please enter a valid amount : RM "; cin>>add; cout<<endl; } money = money+add;// adding value of add into money while (money>2.0) /*Looping function to make sure customers are not spending more than RM 2.00*/ { cout<<endl<<endl; cout<<" Your total spending is exceeding RM 2.00"<<endl; cout<<" This vending machine cannot accept more than RM 2.00"<<endl; cout<<" Please take back your all your amount"<<endl; cout<<endl; cout<<" Re-enter new amount not more than RM 2.00"<<endl; cout<<" Your spending > RM "; cin>>money; while (money<0) /*Looping function to make sure customers are not spending more than RM 2.00*/ { cout<<" The amount you have entered is invalid!"<<endl; cout<<" Please enter a valid amount : RM "; cin>>money; cout<<endl; } cout<<endl; } } change = money-price; /*calculate the value of change to be given to the customer.*/ cout<<" Total amount entered : RM "<<money<<endl; gCash = gCash+money; //adding value of money into gcash cout<<endl; cout<<" Your change is RM "<<change<<endl; cout<<endl; //adding 1 into the value of gDrinks[n] for cup usage transactions record /* four condition statement to make sure value 1 is added into correct type of cup usage*/ if (price>=1.2) { gDrinks[2]++; } else if (price>=1.1) { gDrinks[1]++; } else if (price>=1.0) { gDrinks[0]++; } else { gDrinks[3]++; } return change; } // End of function Get_Change void Write_Change(float change) { int sen50=0, sen20=0, sen10=0; while(change>=0.5) /*looping function to control the number of 50 sen coins regarding the denominations order*/ { sen50++; gCoins[0]++; change = change-0.5; } while (change>0.19&&change<0.5)/*looping function to control the number of 20 sen coins regarding the denominations order*/ { sen20++; gCoins[1]++; change = change-0.2; } while (change>0.09&&change<0.2)/*looping function to control the number of 10 sen coins regarding the denominations order*/ { sen10++; gCoins[2]++; change = change-0.1; } //Value of change now is zero cout<<" 50 sen x "<<sen50<<" coins"<<endl; cout<<" 20 sen x "<<sen20<<" coins"<<endl; cout<<" 10 sen x "<<sen10<<" coins"<<endl; /*display nunber of coins dispensed by vending machine*/ cout<<endl; cout<<" Thank you. Please come again."<<endl<<endl; } // End of function Write_Change void Write_Report_Cash_Out(const int coins[]) { float cash; int k, indexOfMin, pass, j, swap, temp[3]={0,0,0}; const int max=3; temp[0]=coins[0]; temp[1]=coins[1]; temp[2]=coins[2]; cash = (coins[0]*.5)+(coins[1]*.2)+(coins[2]*.1); /*Calculate the value of cash dispensed*/ for (pass = 0; pass < max - 1; pass++) { indexOfMin = pass; for (j = pass + 1; j < max; j++){ if (gCoins[j] < gCoins[indexOfMin]) indexOfMin = j; } swap = gCoins[pass]; gCoins[pass] = gCoins[indexOfMin]; gCoins[indexOfMin] = swap; } cout<<endl; cout<<" ***************************************************** "<<endl; cout<<" ** TRANSACTIONS RECORD ** "<<endl; cout<<" ***************************************************** "<<endl; cout<<endl; cout<<" ************ "<<endl; cout<<" * CASH OUT * "<<endl; cout<<" ************ "<<endl; cout<<endl; cout<<" The number of coins has been given to customers : "<<endl; cout<<endl; //gCoins[] store the number of coins has been dispensed from vending machine //display nunber of coins dispensed by vending machine cout<<" 50 sen = "<<gCoins[0]<<" coins "<<endl; cout<<" 20 sen = "<<gCoins[1]<<" coins "<<endl; cout<<" 10 sen = "<<gCoins[2]<<" coins "<<endl; if (temp[0]=gCoins[0]) { cout<<" 50 sen = "<<gCoins[0]<<" coins "<<endl; cout<<" 10 sen = "<<gCoins[1]<<" coins "<<endl; cout<<" 20 sen = "<<gCoins[2]<<" coins "<<endl; } else if (temp[1]=gCoins[1]) { cout<<" 10 sen = "<<gCoins[0]<<" coins "<<endl; cout<<" 20 sen = "<<gCoins[1]<<" coins "<<endl; cout<<" 50 sen = "<<gCoins[2]<<" coins "<<endl; } else if (temp[2]=gCoins[2]) { cout<<" 20 sen = "<<gCoins[0]<<" coins "<<endl; cout<<" 50 sen = "<<gCoins[1]<<" coins "<<endl; cout<<" 10 sen = "<<gCoins[2]<<" coins "<<endl; } else { cout<<" 10 sen = "<<gCoins[0]<<" coins "<<endl; cout<<" 50 sen = "<<gCoins[1]<<" coins "<<endl; cout<<" 20 sen = "<<gCoins[2]<<" coins "<<endl; } cout<<endl; cout<<" Total cash dispensed from vending machine : RM "<<cash<<endl; cout<<endl<<endl; gCoins[0]=temp[0]; gCoins[1]=temp[1]; gCoins[2]=temp[2]; } // End of function Write_Report_Cash_Out void Write_Report_Drinks(const int drinks[]) { int total_cups; cout<<" ************* "<<endl; cout<<" * CUP USAGE * "<<endl; cout<<" ************* "<<endl; cout<<endl; cout<<" The number of cups used for each type of drinks : "<<endl; cout<<endl; //gDrinks[] store the number of cups has been used //display nunber of cups has been used by vending machine cout<<" Teh Tarik = "<<gDrinks[0]<<endl; cout<<" Nescafe = "<<gDrinks[1]<<endl; cout<<" Horlick = "<<gDrinks[2]<<endl; cout<<" Teh 'O' = "<<gDrinks[3]<<endl; cout<<endl; total_cups = gDrinks[0]+gDrinks[1]+gDrinks[2]+gDrinks[3];/*Calculating the number of cup used*/ cout<<" Total cups used = "<<total_cups<<endl; cout<<endl<<endl; } // End of function Write_Report_Drinks void Write_Report_Cash_In() { float total_income; cout<<" *********** "<<endl; cout<<" * CASH IN * "<<endl; cout<<" *********** "<<endl; cout<<endl; //gCash store the value of total cash received by vending machine. cout<<" Total cash received from customers : RM "<<gCash<<endl; cout<<endl; /*Calculating differences between the dispense and cash receive to get total income.*/ total_income = gCash-((gCoins[0]*.5)+(gCoins[1]*.2)+(gCoins[2]*.1)); cout<<" Total income accumulated so far : RM "<<total_income<<endl; cout<<endl; cout<<" ***************************************************** "<<endl; } //End of function Write_Report_Cash_In