From 603a605509e27a73f944a8aeede96074df0d1017 Mon Sep 17 00:00:00 2001
From: Shreya Pawaskar <55914007+shraiyya@users.noreply.github.com>
Date: Fri, 25 Oct 2019 10:02:21 +0530
Subject: [PATCH] bank_managment.cpp

Bank account management using a single linked list
---
 bank_management.cpp | 249 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 249 insertions(+)
 create mode 100644 bank_management.cpp

diff --git a/bank_management.cpp b/bank_management.cpp
new file mode 100644
index 0000000..e44ba73
--- /dev/null
+++ b/bank_management.cpp
@@ -0,0 +1,249 @@
+
+#include <iostream>
+using namespace std;
+class node {
+friend class list;
+int account_no;
+string name;
+float balance;
+node * next;
+public:
+node(int ac, string na, float b) {
+account_no = ac;
+name = na;
+balance = b;
+next = NULL;
+}
+};
+class list {
+private:
+node * head;
+node*temp;
+public:
+list() {
+head = NULL;
+}
+void add() {
+int ac;
+string na;
+float b;
+char choice = ' ';
+do {
+cout << "enter details" << endl;
+cout << "enter account no" << endl;
+cin >> ac;
+cout << "enter name" << endl;
+cin >> na;
+cout << "enter balance" << endl;
+cin >> b;
+node * temp;
+node * ptr;
+temp = new node(ac, na, b);
+if (head == NULL) {
+head = temp;
+} else {
+ptr = head;
+while (ptr->next != NULL) {
+ptr = ptr->next;
+}
+ptr->next = temp;
+}
+cout << "do u want to add more?" << endl;
+cout << "press y to continue." << endl;
+cout << "press n to stop ." << endl;
+cin >> choice;
+} while (choice != 'n');
+}
+
+void display() {
+node * ptr;
+for (ptr = head; ptr != NULL; ptr = ptr->next) {
+cout << "the account no is :" << ptr->account_no << endl;
+cout << "the name is :" << ptr->name << endl;
+cout << "the balance is :" << ptr->balance << endl;
+}
+}
+void insert(int pos) {
+int ac;
+string na;
+float b;
+int i = 0;
+node * ptr;
+node * temp;
+temp = new node(ac, na, b);
+cout << "enter the new details to be inserted  " << endl;
+cout << "enter account no" << endl;
+cin >> ac;
+cout << "enter name " << endl;
+cin >> na;
+cout << "enter balance " << endl;
+cin >> b;
+temp = new node(ac, na, b);
+if (head == NULL) {
+head = temp;
+} else if (pos == 1) {
+temp->next = head;
+head = temp;
+} else {
+for (i = 0, ptr = head; i < pos - 1, ptr != NULL;
+i++, ptr = ptr->next) {
+temp->next = ptr->next;
+ptr->next = temp;
+}
+}
+}
+void del(int pos) {
+node * t;
+cout << "enter the position " << endl;
+cin >> pos;
+if (pos == 1) {
+t = head;
+head = head->next;
+} else {
+int i = 0;
+node * ptr;
+node * t;
+for (i = 0, ptr = head; i < pos - 1, ptr != NULL;
+i++, ptr = ptr->next) {
+t = ptr->next;
+ptr->next = t->next;
+}
+delete (t);
+}
+}
+
+void del() {
+int s;
+cout << "enter account no be be deleted" << endl;
+cin >> s;
+node * t;
+node * ptr;
+ptr = head;
+t = head;
+while (ptr != NULL) {
+
+if(head->account_no==s)
+{
+head=head->next;
+delete(ptr);
+}
+if (ptr->account_no == s) {
+t->next = ptr->next;
+ptr->next = NULL;
+delete (ptr);
+} else {
+t = ptr;
+ptr = ptr->next;
+
+}
+}
+
+}
+void searching() {
+int i = 0;
+
+cout << "enter the account no to be searched" << endl;
+int sno = 0;
+cin >> sno;
+if (head == NULL) {
+cout << "list is empty" << endl;
+} else {
+int flag = 0;
+node * ptr;
+for (ptr = head; ptr != NULL; ptr = ptr->next) {
+if (ptr->account_no == sno) {
+cout << "found" << endl;
+cout << "The account no is " << sno << endl;
+cout << "the name is " << ptr->name << endl;
+cout << "the balance is" << ptr->balance << endl;
+flag = 1;
+break;
+} else if (flag == 0) {
+cout << "not found" << endl;
+
+}
+}
+}
+}
+
+
+
+void update() {
+int ba;
+node * temp;
+cout << "enter bank account details" << endl;
+cin >> ba;
+for (temp = head; temp != NULL; temp = temp->next) {
+if (temp->account_no == ba) {
+int amount;
+int c;
+cout << "enter amount" << endl;
+cin >> amount;
+cout << "enter 1 for withdrawal" << endl;
+cout << "enter 2 for deposit" << endl;
+cin >> c;
+switch (c) {
+case 1:
+temp->balance = temp->balance - amount;
+break;
+case 2:
+temp->balance = temp->balance + amount;
+break;
+}
+} else {
+cout << "no account found" << endl;
+}
+}
+}
+};
+int main() {
+int choice = 0;
+int pos = 0;
+int posi = 0;
+list a;
+a.add();
+a.display();
+do {
+cout << "enter your choice ";
+cout << "enter 1 for inserting" << endl;
+cout << "enter 2 for deletion" << endl;
+cout << "enter 3 for search" << endl;
+cout << "enter 4 for update" << endl;
+cout<<"enter 5 to delete first student"<<endl;
+cout << "enter 0 for exit" << endl;
+cin >> choice;
+switch (choice) {
+case 1:
+cout << "enter position " << endl;
+cin >> pos;
+a.insert(pos);
+a.display();
+break;
+case 2:
+int ans;
+cout << " 1 to delete using account no" << endl;
+cout << " 2 to delete node using position of node" << endl;
+cin >> ans;
+switch (ans) {
+case 2:
+a.del(posi);
+a.display();
+break;
+case 1:
+a.del();
+a.display();
+break;
+}
+break;
+case 3:
+a.searching();
+break;
+case 4:
+a.update();
+a.display();
+break;
+
+}
+} while (choice != 0);
+return 0;
+}