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any one of u plz help me in my code actually my project is about bank database in oop .in this bank two accounts saving and current . in saving account their is interest but in current it is nt .the problem is that when i run the program and call current account and deposit or withdraw money the out put from which i m xpecting. means it take input but not show calculated money in current account.but if i call interest function in deposit and withdraw of current it properly works other wise nt .plz tell me where i m wrong.its urgent plzzzzzzzzz coz i have to submit it on monday
Code:#include<iostream.h> #include<conio.h> #include<string.h> #include<stdlib.h> #include<math.h> #include<stdio.h> const double interest=0.03; const double Natural_E=2.712; int acc_no[100]; static int a; class bank{ protected : char name[20],op; int arr; protected: double balance; double original; double deposit_money; double withdraw_money; int years,t; int n; public: bank(){ name[0]='\0'; balance=0; original=0; deposit_money=0; withdraw_money=0; years=0; a=0; }; void instructions(){ cout<<"\n\t\t\t* ======================= *\n" "\t\t\t* Well come to *\n" "\t\t\t* MFB *\n" "\t\t\t* ======================= *\n\n"; cout<<"\t\tThis bank will give you facility to open current\n" "\t\t\t as well as saving account\n\n"; cout<<"\t\t\t To proceed press enter"; getch(); }; void input_balance(){ cout<<"\t\tEnter the current balance on your account in PK.RS:"; cin>>balance; original=balance; }; void create(){ cout<<"\t\t\t Enter your NAME:"; cin>>name; cout<<"\n\t\t\t **** Congratulation****\n"; cout<<"\t\t\t You become a part of MFB\n"; if(a<100) a++; else { cout<<"Account number exceeds its limit!"<<endl; getch(); return; } acc_no[a-1]=a; cout<<"\t\t your personal informations are\n\n"; cout<<"\t\t\t Your NAME is:"<<name<<endl; cout<<"\t\t\t Your ACCOUNT no is:"<<a<<endl<<endl; }; void deposit() { cout<<"\n\n\t\t\tWell come in your account:"<<name<<endl; cout<<"\t\t\tHow much do you want to deposit:RS "; cin>>deposit_money; balance+=deposit_money; cout<<"\t\t\tYour new balance after DEPOSIT is:RS "<<balance; }; void withdraw() { cout<<"\n\n\t\t\tWell come in your account:"<<name<<endl; cout<<"\t\t\tHow much do you want to withdraw:RS "; cin>>withdraw_money; balance-=withdraw_money; if(balance>0) cout<<"\t\t\tYour new balance after WITHDRAW is:RS "<<balance; else cout<<"\t\t\tZERO balance in your account"; }; double interestpay(int years) { double temp,temp2; temp=interest*years; temp2=pow(Natural_E,temp); return balance*temp2; }; void numyears() { cout<<"\t\tHow many years have passed since the last transaction \n\t\t\t\tor starting this account: "; cin>>years; balance=interestpay(years); cout<<"\n\n\t\t\tThe new balance after transction is:"<<balance; getch(); } }; //int bank::acc_no=0; class saving:public bank { public: void create_s(){ clrscr(); cout<<"\n\t\t\t* ======================= *\n" "\t\t\t* Well come to *\n" "\t\t\t* MFB saving account *\n" "\t\t\t* ======================= *\n"; cout<<"\t\t\t This account gives you \n\t\tAn interest rate of"; cout<<interest*100<<"% compounded continuously\n\n"; bank::create(); cout<<"\t DO you want to enter money into your account [Y/N]:"; cin>>op; if(op=='y') bank::input_balance(); }; void swithdraw(){ cout<<"\t\t Enter your Account No to deposit:"; cin>>arr; int flag=0; for(int i=0; i<a; i++) { if(arr==acc_no[i]) { flag=1; bank::withdraw(); cout<<"\n\n\t\tDo you want to check interest added into your account [Y/N]: "; cin>>op; if(op=='y') numyears(); } } if(flag==0) cout<<"\n\t\tAccount doesn't exist!!\n\n"; }; void sdeposit(){ cout<<"Enter your Account No to deposit:"; cin>>arr; // t= arr-acc_no; int flag=0; for(int i=0; i<a; i++) { if(arr==acc_no[i]) { flag=1; bank::deposit(); cout<<"\n\nDo you want to check interest added into your account [Y/N]:"; cin>>op; if(op=='y') numyears(); } //else // } if(flag==0) cout<<"\nAccount doesn't exist!!\n\n"; }; }; class current_acc:public bank { public: void create_c(){ clrscr(); cout<<"\n\t\t\t* ======================= *\n" "\t\t\t* Well come to *\n" "\t\t\t* MFB current account *\n" "\t\t\t* ======================= *\n"; cout<<"\n\t\t This account is for business peoples \n\t\t Their is no interest in this account\n\n"; bank::create(); cout<<"\t DO you want to enter money into your account [Y/N]:"; cin>>op; if(op=='y') bank::input_balance(); }; void cdeposit(){ cout<<"\t\t Enter your Account No to deposit:"; cin>>arr; int flag=0; for(int i=0; i<a; i++) { if(arr==acc_no[i]) { flag=1; bank::deposit(); cout<<"congratz"; /* cout<<"\n\nDo you want to check interest added into your account [Y/N]:"; cin>>op; if(op=='y') numyears(); */ } } if(flag==0) cout<<"\n\t\tAccount doesn't exist!!\n\n"; }; void cwithdraw(){ cout<<"\t\t Enter your Account No to deposit:"; cin>>arr; int flag=0; for(int i=0; i<a; i++) { if(arr==acc_no[i]) { flag=1; bank::withdraw(); /* cout<<"\n\nDo you want to check interest added into your account [Y/N]:"; cin>>op; if(op=='y') numyears(); */ } } if(flag==0) cout<<"\n\t\tAccount doesn't exist!!\n\n"; }; }; main() { clrscr(); int z; saving s; current_acc c; char op,nm[20],str[20];; bank b1[100],b2; b2.instructions(); for(int i=0;i<100;) { clrscr(); cout<<"\n\t\t\t1. Press c to CREATE ACCOUNT\n" "\t\t\t2. Press d to DEPOSIT\n" "\t\t\t3. w to WITHDRAW\n" "\t\t\t4. q to QUIT\n"; cin>>op; switch(op) { case'c': clrscr(); cout<<"\n\n\tyou pressed c\n"; cout<<"\tWhich account do u want to create\n"; cout<<"\tCurrent or saving\n"; cout<<"\tTo create saving account press 'saving'\n" "\tTo create current press 'current':"; gets(str); int m=strcmp(str,"current"); if(m==0) c.create_c(); else s.create_s(); break; case'd': clrscr(); cout<<"\t\t In which account do you want to deposit:"; gets(str); m=strcmp(str,"current"); if(m==0) c.cdeposit(); else s.sdeposit(); break; case'w': cout<<"\tFrom which account do you want to withdraw:"; gets(str); m=strcmp(str,"current"); if(m==0) c.cwithdraw(); else s.swithdraw(); break; case'q': cout<<"\n\tyou pressed q"; if(op=='q') { exit(0); } break; default: cout<<"unknown"; } i++; } getch(); }
