From 69edc01908fff6de6c6e0f82249befaf18f4e827 Mon Sep 17 00:00:00 2001
From: Uday Vamsidhar <108140307+Uday-Vamsidhar@users.noreply.github.com>
Date: Mon, 24 Oct 2022 18:45:20 +0530
Subject: [PATCH] Project Idea & Aid

The repo is very good for beginners. I decided we can add a project section to make it a complete tutorial.
---
 Banking System.cpp | 194 +++++++++++++++++++++++++++++++++++
 FirstTo21.cpp      | 245 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 439 insertions(+)
 create mode 100644 Banking System.cpp
 create mode 100644 FirstTo21.cpp

diff --git a/Banking System.cpp b/Banking System.cpp
new file mode 100644
index 0000000..c499ef1
--- /dev/null
+++ b/Banking System.cpp	
@@ -0,0 +1,194 @@
+#include <iostream>
+#include <cmath>
+#include <unistd.h>
+using namespace std;
+
+class bank
+{
+    float balance, rate;
+
+    public:
+    
+        bank(float cash, float r)
+        {
+            usleep(1000000);
+            balance = cash;
+            rate = r;
+            cout << "Successfully opened your new account!" << endl;
+            usleep(1000000);
+            cout<<"\033[2J\033[1;1H";
+        }
+        
+        void deposit()
+        {
+            usleep(1000000);
+            float d;
+            cout << "Enter the amount you want to deposit in your account: ";
+            cin >> d;
+            balance += d;
+            cout << "Successfully deposited the amount mentioned!" << endl;
+        }
+        
+        void withdraw()
+        {
+            usleep(1000000);
+            float withdrawal;
+            cout << "Enter the amount you want to withdraw from your account: ";
+            cin >> withdrawal;
+            if (balance - withdrawal < 1000)
+                cout << "Not enough cash available to withdraw" << endl;
+            else
+            {
+                balance -= withdrawal;
+                cout << "Successfully withdrawn the amount mentioned!" << endl;
+            }
+        }
+        
+        float calcinterest(int time)
+        {
+            usleep(1000000);
+            float amount;
+            amount = balance * pow((1 + (rate / 100)), time);
+            float interest = amount - balance;
+            balance = amount;
+            return interest;
+        }
+        
+        float getbalance()
+        {
+            usleep(1000000);
+            return balance;
+        }
+        
+        ~bank()
+        {
+            usleep(1000000);
+            cout << "Hence,successfully closed your account!" << endl;
+        }
+};
+
+class loan
+{
+    private:
+        int temp;
+        
+    public:
+    void approval(float credit_score, float loan_amount)
+    {
+        usleep(1000000);
+        temp=0;
+        if(loan_amount<1000)
+            cout<<"This loan amount is not available"<<endl;
+            
+        if(loan_amount>=10000000&&credit_score>=800)
+        {
+            cout<<"You are eligible for this loan."<<endl;
+            temp++;
+        }
+        
+        if(loan_amount>=1000000&&credit_score>=650&&loan_amount<10000000)
+        {
+            cout<<"You are eligible for this loan."<<endl;
+            temp++;
+        }
+        
+        if(loan_amount>=100000&&credit_score>=450&&loan_amount<1000000)
+        {
+            cout<<"You are eligible for this loan."<<endl;
+            temp++;
+        }
+        
+        if(loan_amount>=10000&&credit_score>=300&&loan_amount<100000)
+        {
+            cout<<"You are eligible for this loan."<<endl;
+            temp++;
+        }
+        
+        if(loan_amount>=1000&&credit_score>=200&&loan_amount<10000)
+        {
+            cout<<"You are eligible for this loan."<<endl;
+            temp++;
+        }
+        
+        if(temp==0)
+            cout<<"Sorry, this credit score can not fetch this amount of loan."<<endl;
+    }
+    
+    void loan_approval()
+    {
+        usleep(1000000);
+        float credit_score, loan_amount;
+        cout<<"Enter your present credit score - ";
+        cin>>credit_score;
+        cout<<"Enter the amount of loan you want to request - ";
+        cin>>loan_amount;
+        approval(credit_score,loan_amount);
+    }
+}loan_class;
+
+int n = 0;
+void menu(bank &ob)
+{
+    cout<<"\033[2J\033[1;1H";
+    cout << "\tMENU\n";
+    cout << "1.DEPOSIT MONEY\n";
+    cout << "2.WITHDRAW MONEY\n";
+    cout << "3.CALCULATE INTEREST\n";
+    cout << "4.DISPLAY AVAILABLE BALANCE\n";
+    cout << "5.CHECK LOAN APPROVAL\n";
+    cout << "6.CLOSE ACCOUNT\n";
+    int ch;
+    cin >> ch;
+    cout<<"\033[2J\033[1;1H";
+    switch (ch)
+    {
+        case 1:
+            ob.deposit();
+            usleep(1000000);
+            return;
+        case 2:
+            ob.withdraw();
+            usleep(1000000);
+            return;
+        case 3:
+            int t;
+            cout << "Enter the time (in years) till when you want to keep the money in bank account: ";
+            cin >> t;
+            cout << "The interest you got is: " << ob.calcinterest(t) << endl;
+            usleep(1000000);
+            return;
+        case 4:
+            cout << "The current balance is: " << ob.getbalance() << endl;
+            usleep(1000000);
+            return;
+        case 5:
+            loan_class.loan_approval();
+            usleep(1000000);
+            return;
+        case 6:
+            n = 1;
+            usleep(1000000);
+            return;
+    }
+}
+
+// Driver Code
+int main()
+{
+    cout<<"\033[2J\033[1;1H";
+    int cash, rate;
+    cout << "Let's open the bank account first!\n";
+    usleep(1000000);
+    cout << "Enter initial balance: ";
+    cin >> cash;
+    cout << "Enter the rate of interest of the bank: ";
+    cin >> rate;
+    bank account(cash, rate);
+    while (1)
+    {
+        menu(account);
+        if (n == 1)
+            break;
+    }
+    return 0;
+}
\ No newline at end of file
diff --git a/FirstTo21.cpp b/FirstTo21.cpp
new file mode 100644
index 0000000..34f30cf
--- /dev/null
+++ b/FirstTo21.cpp
@@ -0,0 +1,245 @@
+//DONE :*)
+#include<bits/stdc++.h>
+#include<unistd.h>
+using namespace std;
+int main();
+int x=0;
+int cv,ccv;
+int hv,chv;
+int human(int chv,int x)
+{
+    cout<<"What would you add ? ";
+    cin>>chv;
+    if((chv>=1&&chv<=3)&&(x+chv<=21))
+        return chv;
+    else
+    {
+        cout<<"Woah, that number can't be added, dont worry you can try again"<<endl<<endl;
+        human(chv,x);
+    }
+}
+int cpumod(int ccv,int x)
+{
+    if(x+1==21||x+1==13||x+1==17)
+        return 1;
+    else if(x+2==21||x+2==13||x+2==17)
+        return 2;
+    else if(x+3==21||x+3==13||x+3==17)
+        return 3;
+    else 
+    {
+        ccv=rand()%10;
+        if((ccv>=1&&ccv<=3))
+            return ccv;
+        else
+            cpumod(ccv,x);
+    }    
+}
+int cpuhard(int ccv,int x)
+{
+    if(x+1==21||x+1==13||x+1==17||x+1==9||x+1==5)
+        return 1;
+    else if(x+2==21||x+2==13||x+2==17||x+2==9||x+2==5)
+        return 2;
+    else if(x+3==21||x+3==13||x+3==17||x+3==9||x+3==5)
+        return 3;
+    else 
+    {
+        ccv=rand()%10;
+        if(ccv<=3&&ccv>=1)
+            return ccv;
+        else
+            cpuhard(ccv,x);
+    }
+}
+int cpueasy(int ccv, int x)
+{
+    if(x+1==21)
+        return 1;
+    else if(x+2==21)
+        return 2;
+    else if(x+3==21)
+        return 3;
+    else 
+    {
+        ccv=rand()%10;
+        if(ccv>=1&&ccv<=3)
+            return ccv;
+        else
+            cpueasy(ccv,x);
+    }
+}
+void checkhum(int x)
+{
+    if(x==21)
+    {
+        cout<<endl<<"Wow, you've shown the bot who is the master, YOU WON."<<endl;
+        cout<<"CPU SAYS :- I don't belive it, this is luck, try me again"<<endl;
+        usleep(1000000);
+        string choice;
+        cout<<"Do you want to play again ? ";
+        cin>>choice;
+        if(choice=="yes"||choice=="YES"||choice=="Yes")
+            main();
+        else
+        {
+            cout<<endl<<"Have a good day :)";
+            exit(0);
+        }
+    }
+}
+void checkcpu(int x)
+{
+    if(x==21)
+    {
+        cout<<endl<<"Man, thats hard luck, I belive you can win next time, but YOU LOST."<<endl;
+        cout<<"CPU SAYS :- I know humans are incapable of beating me, hahaha"<<endl;
+        usleep(1000000);
+        string choice;
+        cout<<"Do you want to play again ? ";
+        cin>>choice;
+        if(choice=="yes"||choice=="YES"||choice=="Yes")
+            main();
+        else
+        {
+            cout<<endl<<"Have a good day :)";
+            exit(0);
+        }
+    }
+}
+void start()
+{
+    cout<<"******************************Welcome to the Pile Up Game******************************"<<endl;
+    cout<<"->Its a simple game where you must get to 21 before your opponent"<<endl;
+    cout<<"->You start the game with 0"<<endl;
+    cout<<"->You can add 1,2 or 3 only in your turn"<<endl;
+    cout<<"->Don't mind the cpu trash talking :P"<<endl;
+    cout<<"->Good Luck and have Fun :)"<<endl;
+    cout<<"***************************************************************************************"<<endl;
+}
+void trash()
+{
+    int m;
+    m=rand()%10;
+    if(m==1)
+        cout<<"CPU SAYS :- I'll win and I'm the best."<<endl;
+    else if(m==3)
+        cout<<"CPU SAYS :- Bruh, give me some time to think and beat you."<<endl;
+    else if(m==5)
+        cout<<"CPU SAYS :- Haha, bet you dint see this comming."<<endl;
+    else if(m==7)
+        cout<<"CPU SAYS :- You think you won this? How cute XD"<<endl;
+    else if(m==9)
+        cout<<"CPU SAYS :- Give up already, don't waste your time."<<endl;
+    else
+        cout<<"CPU SAYS :- I have better things to do than to beat you -_-"<<endl;
+}
+void easy(int x,int hv,int chv,int cv,int ccv)
+{
+    while(x<21)
+    {
+        cout<<endl;
+        cout<<"**********Your turn**********"<<endl;
+        hv=human(chv,x);
+        x+=hv;
+        cout<<"We are at "<<x<<endl;
+        usleep(1000000);
+        checkhum(x);
+        cout<<endl;
+        cout<<"**********CPU's turn**********"<<endl;
+        trash();
+        cout<<"CPU is thinking..."<<endl;
+        usleep(3000000);
+        cout<<endl;
+        cv=cpueasy(ccv,x);
+        cout<<"CPU added "<<cv<<endl;
+        x+=cv;
+        cout<<"We are at "<<x<<endl;
+        usleep(1000000);
+        checkcpu(x);
+        cout<<"***************************************************************************************"<<endl;
+    }
+}
+void mod(int x,int hv,int chv,int cv,int ccv)
+{
+    while(x<21)
+    {
+        cout<<endl;
+        cout<<"**********Your turn**********"<<endl;
+        hv=human(chv,x);
+        x+=hv;
+        cout<<"We are at "<<x<<endl;
+        usleep(1000000);
+        checkhum(x);
+        cout<<endl;
+        cout<<"**********CPU's turn**********"<<endl;
+        trash();
+        cout<<"CPU is thinking..."<<endl;
+        usleep(3000000);
+        cout<<endl;
+        cv=cpumod(ccv,x);
+        cout<<"CPU added "<<cv<<endl;
+        x+=cv;
+        cout<<"We are at "<<x<<endl;
+        usleep(1000000);
+        checkcpu(x);
+        cout<<"***************************************************************************************"<<endl;
+    }
+}
+void hard(int x,int hv,int chv,int cv,int ccv)
+{
+    while(x<21)
+    {
+        cout<<endl;
+        cout<<"**********Your turn**********"<<endl;
+        hv=human(chv,x);
+        x+=hv;
+        cout<<"We are at "<<x<<endl;
+        usleep(1000000);
+        checkhum(x);
+        cout<<endl;
+        cout<<"**********CPU's turn**********"<<endl;
+        trash();
+        cout<<"CPU is thinking..."<<endl;
+        usleep(3000000);
+        cout<<endl;
+        cv=cpuhard(ccv,x);
+        cout<<"CPU added "<<cv<<endl;
+        x+=cv;
+        cout<<"We are at "<<x<<endl;
+        usleep(1000000);
+        checkcpu(x);
+        cout<<"***************************************************************************************"<<endl;
+    }    
+}
+void level()
+{
+    cout<<endl<<"Please wait, while we are loading the game :)"<<endl;
+    usleep(5000000);
+    int chose;
+    cout<<endl<<"******************Chose a level******************"<<endl;
+    cout<<"Type '1' for Easy"<<endl;
+    cout<<"Type '2' for Moderate"<<endl;
+    cout<<"Type '3' for Hard"<<endl;
+    cout<<"Which level can you face? ";
+    cin>>chose;
+    if(chose==1)
+        easy(x,hv,chv,cv,ccv);
+    else if(chose==2)
+        mod(x,hv,chv,cv,ccv);
+    else if(chose==3)
+        hard(x,hv,chv,cv,ccv);
+    else
+    {
+        cout<<endl<<"Thats an invalid entry, try again please."<<endl;
+        level();
+    }
+}
+int main()
+{
+    cout << "\033[2J\033[1;1H";
+    cout<<endl;
+    cout<<"***************************************************************************************"<<endl;
+    start();
+    level();
+}
\ No newline at end of file