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Question 2/flight.cpp

@@ -0,0 +1,359 @@
+#include <iostream>
+#include <vector>
+#include <string>
+#include <map>
+#include <stack>
+using namespace std;
+struct  User{
+     string name="xyz";
+     string seatNumber;
+};
+struct User user1;
+int n1=21,m1=8;
+vector<vector<string>>v( 21, vector<string> (8));
+map<string,int>m;
+stack<string>waitinglist;
+
+void waitingList(){
+    waitinglist.push(user1.name);
+    int x=waitinglist.size();
+    cout << endl;
+    cout << "Zero Seats Available" << endl;
+    cout << "In waiting list..." << x << ":20" << endl;
+    cout << endl; 
+
+}
+void reserveSeat(){
+    int i,j,x=0,y,f=0;
+    string s;
+    char c;
+    cout << endl;
+    cout << "Reserve your seat" << endl;
+    cout << "Enter you preferences" << endl;
+    cout << "Window/Middle/Aisle   :   ";
+    cin >> s;
+    if (s=="Window"){
+        c='W';
+    }
+    else if (s=="Middle"){
+        c='M';
+    }
+    else if (s=="Aisle"){
+        c='A';
+    }
+    else{
+        cout << "Enter correct Input" << endl;
+        reserveSeat();
+    }
+    for (i=1;i<n1;i++){
+        if (f==1) break;
+        for (j=1;j<m1;j++){
+          if (c=='W'){
+            if (j==1  || j==7){
+                if (m[v[i][j]]<2){
+                    m[v[i][j]]++;
+                    x=i;
+                    f=1;
+                    break;
+                }
+            }
+          }  
+          if (c=='M'){
+            if (j==2 || j==6){
+                if (m[v[i][j]]<2){
+                    m[v[i][j]]++;
+                    x=i;
+                    f=1;
+                    break;
+                }
+            }
+          }
+          if (c=='A'){
+            if (j==3 || j==5){
+                if (m[v[i][j]]<2){
+                    m[v[i][j]]++;
+                    x=i;
+                    f=1;
+                    break;
+                }
+            }
+          }
+
+        }
+
+    }
+    if (x==0){
+        waitingList();
+    }
+    else{
+        user1.seatNumber=to_string(x)+c;
+        cout << endl << endl;
+        cout << "Your Reservation has been completed" << endl;
+        cout << "Your seat number is : " << x << c  << endl;
+    }
+
+}
+void changeReservation(){
+    m[user1.seatNumber]--;
+    user1.seatNumber="";
+    cout << "Changing Reservation..." << endl;
+    reserveSeat();
+
+}   
+void cancelReservation(){
+    m[user1.seatNumber]--;
+    user1.seatNumber="";
+    cout << "Reservation succesfully Cancelled" << endl;
+}
+void suggestOptimatSeat(){
+    int i,j,x=0,y,f=0;
+    string s;
+    char c;
+    cout << "Reserve your seat" << endl;
+    cout << "Enter you preferences" << endl;
+    cout << "Window/Middle/Aisle   :   ";
+    cin >> s;
+    if (s=="Window"){
+        c='W';
+    }
+    else if (s=="Middle"){
+        c='M';
+    }
+    else if (s=="Aisle"){
+        c='A';
+    }
+    else{
+        cout << "Enter correct Input" << endl;
+        suggestOptimatSeat();
+    }
+    for (i=1;i<n1;i++){
+        if (f==1) break;
+        for (j=1;j<m1;j++){
+            if (c=='W'){
+            if (j==1  || j==7){
+                if (m[v[i][j]]<2){
+                    x=i;
+                    f=1;
+                    break;
+                }
+            }
+          }  
+          if (c=='M'){
+            if (j==2 || j==6){
+                if (m[v[i][j]]<2){
+                    x=i;
+                    f=1;
+                    break;
+                }
+            }
+          }
+          if (c=='A'){
+            if (j==3 || j==5){
+                if (m[v[i][j]]<2){
+                    x=i;
+                    f=1;
+                    break;
+                }
+            }
+          }
+
+        }
+
+    }
+    if (x!=0){
+        cout << "You Optimal seat is" << x << c <<  endl;
+
+    }
+    else{
+        cout << "Seat is not Available" << endl;
+    }
+}
+void checkSeatAvailability(){
+    int i,j,x=0,y,f=0;
+    string s;
+    char c;
+    cout << "Reserve your seat" << endl;
+    cout << "Enter you preferences" << endl;
+    cout << "Window/Middle/Aisle   :   ";
+    cin >> s;
+    if (s=="Window"){
+        c='W';
+    }
+    else if (s=="Middle"){
+        c='M';
+    }
+    else if (s=="Aisle"){
+        c='A';
+    }
+    else{
+        cout << "Enter correct Input" << endl;
+        checkSeatAvailability();
+    }
+    for (i=1;i<n1;i++){
+        if (f==1) break;
+        for (j=1;j<m1;j++){
+            if (c=='W'){
+            if (j==1  || j==7){
+                if (m[v[i][j]]<2){
+                    x=1;
+                    f=1;
+                    break;
+                }
+            }
+          }  
+          if (c=='M'){
+            if (j==2 || j==6){
+                if (m[v[i][j]]<2){
+                    x=1;
+                    f=1;
+                    break;
+                }
+            }
+          }
+          if (c=='A'){
+            if (j==3 || j==5){
+                if (m[v[i][j]]<2){
+                    x=1;
+                    f=1;
+                    break;
+                }
+            }
+          }
+
+        }
+
+    }
+
+    if (x==1){
+        cout << "Seat is Available" << endl;
+
+    }
+    else{
+        cout << "Seat is not Available" << endl;
+    }
+
+
+}
+
+void initializeFlight(){   
+    cout << endl;
+    cout << "Flight Seat Map" << endl;
+    cout << endl;
+    int n,m,i,j;
+    string r;
+    n=21;
+    m=8;  
+    for (i=1;i<n;i++){
+        v[i][0]=to_string(i);
+    }
+    v[0][0]="Row";
+    v[0][1]="Window";
+    v[0][2]="Middle";
+    v[0][3]="Aisle";
+
+        v[0][4]="Passage";
+        v[0][5]="Aisle";
+        v[0][6]="Middle";
+        v[0][7]="Window";
+
+    for (i=1;i<n;i++){
+        for (j=1;j<m;j++){
+            if (j==4) {
+                v[i][j]="      ";
+                continue;
+            }
+            r=v[0][j];
+            v[i][j]=to_string(i)+r[0];
+        }
+    }
+    for (i=0;i<m;i++){
+        cout << v[0][i] << "      ";
+    }
+    cout << endl;
+    for (i=1;i<n;i++){
+        for (j=0;j<m;j++){
+            cout << v[i][j];
+             if (i<10){
+                cout << "         ";
+             }
+             else{
+                cout << "        ";
+             }
+
+        }
+        cout << endl;
+    }
+   do{
+       cout << endl << endl;
+        cout << "---------------------------  Sky Wings ------------------------" << endl;
+        cout << endl; 
+        cout << endl;
+       cout << "Enter 1 to Reserve Seat" << endl;
+       cout << "Enter 2 to Check seat availability" << endl;
+       cout << "Enter 3 to Suggest optimal seat" << endl;
+       cout << "Enter 4 to Cancel Reservation" << endl;
+       cout << "Enter 5 to Change Reservation" << endl;
+       cout << "Enter 0 to Exit";
+       cin >> j;
+        if (j==1){
+           reserveSeat();
+       }
+       else if (j==2){
+        checkSeatAvailability();
+       }
+       else if (j==3){
+        suggestOptimatSeat();
+       }
+       else if (j==4){
+        cancelReservation();
+       }
+       else if (j==5){
+        changeReservation();
+       }
+
+       if (j==0){
+        exit(1);
+       }
+   }
+   while(j);
+
+
+
+  //  }
+  //  while{
+
+    }
+
+
+
+
+
+
+
+int main(){
+    cout << endl;
+    cout << endl;
+    cout << endl; 
+    cout << "---------------------------  Welcome to sky wings ------------------------" << endl;
+    cout << endl; 
+    cout << endl;
+    cout << endl;
+    cout << "Enter y to initialize flight seats\n Enter n to exit"<< endl;
+    string s;
+    cin >> s;
+    if (s=="y") initializeFlight();
+    else if (s=="n") exit(0);
+    else {
+        cout << "Invalid input";
+        main();
+    }
+
+
+
+
+
+
+
+
+
+}