My Longest C++ Program ,So Far. (Array Data)

#include<iostream>
#include<stdlib.h>
#include<conio.h>
#include<stdio.h>
using namespace std;
int main (){
int a,b,c,d,e,f,sm,i,j,l,sf;
int pt,dk; //variabel untuk menghapus teman
int pil; //variabel pilihan.
int data=0;
int log;
int jsn;
int jfriend[100];
int myfriend[100];
int fdata[10]={0,0,0,0,0,0,0,0,0,0};
int sama[100];
int m[10]={0,0,0,0,0,0,0,0,0,0};
int pic[10]={0,0,0,0,0,0,0,0,0,0};
string confirmpass;
string passcheck;
string change;
string friendemail[100][100];
string friendname[100][100];
string friendage[100][100];
string friendgender[100][100];
string friendusername[100][100];
string usersearch;
string namesearch;
string emailsearch;
string message[100][100];
string sendme;
string age[100];
string name[100];
string username[100];
string password[100];
string userlogin;
string passlogin;
string gender[100];
string email[100];
while(true){
mainmenu:
        system("cls");
cout<<"1. Login "<<endl;
cout<<"2. Regisster "<<endl;
cout<<"3. Quit "<<endl;
cin>>pil;
if(pil==3){system("cls"); cout<<"Are You Sure? "<<endl;
cout<<"1. Back "<<endl<<"2. Exit "<<endl;
cin>>pil; if(pil==2) return 0;
else if(pil==1)continue;
}
else if (pil==1){
        system("cls");
    cout<<"Enter Username : ";cin>>userlogin;
    cout<<"Enter Password : ";cin>>passlogin;
    for (a=0;a<data;a++){
        if(username[a]== userlogin &&password[a]==passlogin)
    { system("cls");
        cout<<"You're Logged In !"<<endl;log=a;getch();
break;
    }

    }
if(username[a] != userlogin || password[a] !=passlogin)
    { system("cls");
        cout<<"Username Or Password Wrong"<<endl;getch(); continue;
    }


}
else if (pil==2){
system("cls");
cout<<"Enter You're Name     : ";cin>>name[data];
cout<<"Enter Your're Age     : ";cin>>age[data];
cout<<"1. Male "<<endl;
cout<<"2. Female "<<endl;
cout<<"Select Gender(1/2) : "<<endl;
cin>>pil;
if (pil==1)gender[data]="Male";
if(pil==2)gender[data]="Female";
cout<<"Enter You're Email    :  ";cin>>email[data];
cout<<"Enter You're Username : ";cin>>username[data];
cout<<"Enter Youre Password  : ";cin>>password[data];
cout<<"Confirm Password      : ";cin>>confirmpass;
if (password[data]!= confirmpass){
    system("cls");cout<<"Password Is Diffrent With Confirm Password";
    getch();continue;
}


for (a=0;a<data;a++){
    if (username[a]==username[data]){
        system("cls");cout<<"This Username Already Taken!";
        getch();goto mainmenu;
    }
}

data++;
system("cls");
cout<<"Register Succesfully";
getch();

continue;
}
else continue;

while(true){
    balik: //goto balik
system ("cls");
cout<<"Welcome '"<<name[log]<<"'"<<endl;
cout<<"1. See My Profile "<<endl;
cout<<"2. Send Massage"<<endl;
cout<<"3. See Draft "<<endl;
cout<<"4. Friendlist "<<endl;
cout<<"5. Add New Friend "<<endl;
cout<<"6. Setting "<<endl;
cout<<"7. Log out "<<endl;
cin>>pil;

switch(pil){

case 1 :system("cls");
if (pic[log]==0){
for(i=0;i<4;i++){
    for (j=0;j<8;j++){
        if (j==0 ||j==7)cout<<"|";
            else if (i==3)cout<<"=";
            else if (i==0)cout<<"=";
        else cout<<" ";
    }cout<<endl;
}cout<<endl;
}

if (pic[log]==1){
    cout<<"========"<<endl;
l=2;
i=1;
do{ j=1;
    while (j<=l*4){
            if (j==l*2 && i%2==0)cout<<"v";
            else if (i%2==1 && j%2==1 && j>=i && j<=l*2  )cout<<"\\";
            else if (i%2==1 && j%2==1 && j<=l*4-i && j>=l*2  )cout<<"/";
            else if (i%2==0 && j%2==0 && j>=i && j<=l*2 )cout<<"\\";
            else if (i%2==0 && j%2==0 && j<=l*4-i && j>=l*2  )cout<<"/";
            else cout<<" ";
            j++;

    }cout<<endl; i++;
}while (i<=l*2);
cout<<"========"<<endl<<endl;

}
if(pic[log]==2){cout<<"======"<<endl;
l=6;
e=1;
for (i=1;i<=l-1;i++){
  for(j=1;j<=l-1;j++) {
    if (j<l/2-e+1) {cout<<" ";}
    else if (j>l/2+e-1)cout<<" ";
    else cout<<"#";}
cout<<endl;
if (i<=l/2-1){e++;}
else e--;
}
cout<<"======"<<endl<<endl;}
if (pic[log]==3){cout<<"======"<<endl<<endl;;
l=6;
 for(i=1;i<=l/3;i++){
    for(j=1;j<=l;j++){
        if (j==l/3-i+1)cout<<"/";
        else if(j==l/3+i )cout<<"\\";
        else if(j==l-i+1)cout<<"/";
        else cout<<" ";
    }
        cout<<endl;

    }
    cout<<endl;
cout<<"======"<<endl<<endl;
}

         cout<<"Name     : "<<name[log]<<endl;
         cout<<"Age      : "<<age[log]<<endl;
         cout<<"Gender   : "<<gender[log]<<endl;
         cout<<"Email    : "<<email[log]<<endl;
         cout<<"Username : "<<username[log]<<endl<<endl;
cout<<"1. Change Profile Pic"<<endl;
cout<<"2. Back "<<endl;
cin>>pil;
if (pil==2)break;
if (pil==1){system("cls");

cout<<"Select Picture"<<endl<<endl;

cout<<"1. "<<endl;
cout<<"============"<<endl;
i=1;
do{ j=1;
    while (j<=12){
            if (j==6 && i%2==0)cout<<"v";
            else if (i%2==1 && j%2==1 && j>=i && j<=6  )cout<<"\\";

            else if (i%2==1 && j%2==1 && j<=12-i && j>=6  )cout<<"/";
            else if (i%2==0 && j%2==0 && j>=i && j<=6 )cout<<"\\";
            else if (i%2==0 && j%2==0 && j<=12-i && j>=6  )cout<<"/";
            else cout<<" ";
            j++;

    }cout<<endl; i++;
}while (i<=6);
cout<<"============"<<endl<<endl;
cout<<"2. "<<endl;
cout<<"============"<<endl;
l=12;
e=1;
for (i=1;i<=l-1;i++){
  for(j=1;j<=l-1;j++) {
    if (j<=l/2-e+1) {cout<<" ";}
    else if (j>=l/2+e-1)cout<<" ";
    else cout<<"#";}
cout<<endl;
if (i<=l/2-1){e++;}
else e--;
}
cout<<"============"<<endl<<endl;

cout<<"3. "<<endl;
cout<<"============"<<endl<<endl<<endl;;
l=12;
 for(i=1;i<=l/3;i++){
    for(j=1;j<=l;j++){
        if (j==l/3-i+1)cout<<"/";
        else if(j==l/3+i )cout<<"\\";
        else if(j==l-i+1)cout<<"/";
        else cout<<" ";
    }
        cout<<endl;

    }
    cout<<endl<<endl;
cout<<"============"<<endl<<endl;

cin>>pic[log];
system("cls");
cout<<"Pic Succesfull Change ";

}

         getch();


    break;
case 2 :
    system("cls");
cout<<"Type a Message..."<<endl;
getch(); system("cls");
cin>>sendme;
cout<<"Send To Email : ";cin>>emailsearch;
for(a=0;a<data;a++){
    if (email[a]==emailsearch){
        e=a; break;}
} if (email[a]!=emailsearch){
    break;

}
cout<<"Are You Sure Wanna Send This Message?"<<endl;
cout<<"1. Yes "<<endl;
cout<<"2. No "<<endl;
cin>>pil;
if (pil==1){
        system("cls");
    cout<<"Berhasil Mengirimkan Pesan "<<endl;
getch();
sendme += "\n===================================";
sendme += "\nFrom : ";
sendme +=email[log];
sendme+= "\nto : ";
sendme+=email[e];
sendme += "\n===================================";
message[log][m[log]]=sendme;
message[e][m[e]]=sendme;
m[e]++;
m[log]++;
}

else if (pil==2) break;

break;

case 3 :
    if (m[log]==0){system("cls"); cout<<"There No Massage In Here"<<endl;
    getch ();
    break;
    }
system("cls");
for(a=0;a<m[log];a++){
    cout<<a+1<<". "<<message[log][a]<<endl;
}cout<<"Select Massage : ";
cin>>sm;
system("cls");
cout<<message[log][sm-1]<<endl<<endl;
cout<<"===================================="<<endl;
cout<<"1. Reply This Massage "<<endl;
cout<<"2. Delete This Massage "<<endl;
cout<<"3. Back "<<endl;
cin>>pil;

if(pil==1){}
if(pil==2){
    system("cls");
    cout<<"Are You Sure Wanna Delete This Message "<<endl;
    cout<<"1. Yes "<<endl;
    cout<<"2. No "<<endl;
    cin>>pil;

if (pil==1){
    message[log][m[sm]-1]=message[log][m[log]-1];
    message[log][m[log]-1]="";
m[log]--;
system("cls");
cout<<"Message Succesful Deleted "<<endl;
getch();
break;

}
if (pil==2)break;

}
if (pil==3)break;
break;


case 4 :
    if (fdata[log]==0){system("cls");
cout<<"You Have No Friend "<<endl;

getch();
break;
}
    system("cls");
    for(a=0;a<fdata[log];a++){

    cout<<a+1<<". Nama\t\t: "<<friendname[log][a]<<endl;
    cout<<"   Gender\t: "<<friendgender[log][a]<<endl;
    cout<<"   Age\t\t: "<<friendage[log][a]<<endl<<endl;
}
cout<<"Select Friend "<<endl;
cin>>sf;
for (a=0;a<data;a++){
    if(friendusername[log][sf-1]==username[a])
{
    pt=a;

    system("cls");
    if (pic[a]==0){
for(i=0;i<4;i++){
    for (j=0;j<8;j++){
        if (j==0 ||j==7)cout<<"|";
            else if (i==3)cout<<"=";
            else if (i==0)cout<<"=";
        else cout<<" ";
    }cout<<endl;
}cout<<endl;
}

if (pic[a]==1){
    cout<<"========"<<endl;
l=2;
i=1;
do{ j=1;
    while (j<=l*4){
            if (j==l*2 && i%2==0)cout<<"v";
            else if (i%2==1 && j%2==1 && j>=i && j<=l*2  )cout<<"\\";


            else if (i%2==1 && j%2==1 && j<=l*4-i && j>=l*2  )cout<<"/";
            else if (i%2==0 && j%2==0 && j>=i && j<=l*2 )cout<<"\\";
            else if (i%2==0 && j%2==0 && j<=l*4-i && j>=l*2  )cout<<"/";
            else cout<<" ";
            j++;

    }cout<<endl; i++;
}while (i<=l*2);
cout<<"========"<<endl<<endl;

}
if(pic[a]==2){cout<<"======"<<endl;
l=6;
e=1;
for (i=1;i<=l-1;i++){
  for(j=1;j<=l-1;j++) {
    if (j<l/2-e+1) {cout<<" ";}
    else if (j>l/2+e-1)cout<<" ";
    else cout<<"#";}
cout<<endl;
if (i<=l/2-1){e++;}
else e--;
}
cout<<"======"<<endl<<endl;}
if (pic[a]==3){cout<<"======"<<endl<<endl;;
l=6;
 for(i=1;i<=l/3;i++){
    for(j=1;j<=l;j++){
        if (j==l/3-i+1)cout<<"/";
        else if(j==l/3+i )cout<<"\\";
        else if(j==l-i+1)cout<<"/";
        else cout<<" ";
    }
        cout<<endl;

    }
    cout<<endl;
cout<<"======"<<endl<<endl;
}

    cout<<"Nama\t: "<<name[a]<<endl;
    cout<<"Gender\t: "<<gender[a]<<endl;
    cout<<"Age\t: "<<age[a]<<endl;
    cout<<"Email\t: "<<email[a]<<endl;
    break;

}
 }
getch();
cout<<endl;
cout<<"1. Message With'"<<name[a]<<"' "<<endl;
cout<<"2. Delete Friend "<<endl;
cout<<"3. Back "<<endl;
cin>>pil;
if (pil==1){system("cls");
cout<<"Type a Massage...";
getch();
system("cls");
cin>>sendme;

cout<<"Are You Sure Wanna Send This Message?"<<endl;
cout<<"1. Yes "<<endl;
cout<<"2. No "<<endl;
cin>>pil;
if (pil==1){
        system("cls");
    cout<<"Berhasil Mengirimkan Pesan "<<endl;
getch();
sendme += "\n=====================================";
sendme += "\nFrom : ";
sendme +=email[log];
sendme+= "\nto : ";
sendme+=email[a];
sendme += "\n=====================================";
message[log][m[log]]=sendme;
message[a][m[a]]=sendme;
m[a]++;
m[log]++;
}

else if (pil==2) break;

}
if (pil==2){system("cls"); cout<<"Are you sure wanna Delete '"<<name[a]<<"' "<<endl;
cout<<"1. Yes "<<endl;
cout<<"2. No "<<endl;
cin>>pil;
if (pil==1){

    friendage[log][sf-1]=friendage[log][fdata[log]];
    friendname[log][sf-1]=friendname[log][fdata[log]];
    friendemail[log][sf-1]=friendemail[log][fdata[log]];
    friendusername[log][sf-1]=friendusername [log][fdata[log]];
    friendgender[log][sf-1]=friendgender[log][fdata[log]];
    fdata[log]--;
    for (a=0;a<fdata[pt];a++)
    if (friendusername[pt][a]==username[log]){
        dk=a;break;
    }

    friendage[pt][dk]=friendage[pt][fdata[pt]];
    friendname[pt][dk]=friendname[pt][fdata[pt]];
    friendemail[pt][dk]=friendemail[pt][fdata[pt]];
    friendusername[pt][dk]=friendusername [pt][fdata[pt]];
    friendgender[pt][dk]=friendgender[pt][fdata[pt]];
    fdata[pt]--;
    system("cls");
    cout<<"Friend Succefull Deleted ";
    getch();
}
if(pil==2)break;


}
if (pil==3)break;


break;
case 5 : system("cls"); cout<<"1. Search By Name "<<endl;
                   cout<<"2. Search By Username "<<endl;
                   cout<<"3. Search By Email "<<endl;
                   cout<<"4. Find Friend On Database "<<endl;
                   cin>>pil;
        if (pil==1){
                jsn=0;
                system("cls");
        cout<<"Enter Name : ";cin>>namesearch;
        for(a=0;a<data;a++){
            if (name[a]==namesearch){jsn++;}}
             system("cls");
               if(jsn>0) cout<<jsn<<" People Found!"<<endl;


        for(a=0;a<data;a++){

                if (a==log)continue;
            if (name[a]==namesearch){
        cout<<a+1<<". Name\t\t: "<<name[a]<<endl;
        cout<<"   "<<"Gender\t: "<<gender[a]<<endl;
        cout<<"   "<<"Age\t\t: "<<age[a]<<endl;
            }
        }

       if (jsn==0){cout<<"People Not Found! "<<endl;
       getch();break;}
      getch(); break;
    }
else if (pil==3){cout<<"Enter Email : " ;cin>>emailsearch;
for(a=0;a<data;a++){
        if(a==log)continue;
if (email[a]==emailsearch){
    cout<<"Nama\t: "<<name[a]<<endl;
    cout<<"Gender\t: "<<gender[a]<<endl;
    cout<<"Age\t: "<<age[a]<<endl;
    break;

}
}

if (email[a]!=emailsearch){cout<<"Email Not Found! "<<endl;getch();break;}
getch();
}
else if (pil==2){cout<<"Enter Username : ";cin>>usersearch;
    for (a=0;a<data;a++){
            if (a==log)continue;
        if (username[a]==usersearch){
    cout<"Username Found! ";
    cout<<"Nama\t\t: "<<name[a]<<endl;
    cout<<"Gender\t: "<<gender[a]<<endl;
    cout<<"Age\t: "<<age[a]<<endl;
    break;
        }
    }if (username[a]!=usersearch){cout<<"Username Not Found! "<<endl;getch();break;}
    getch();
}
else if (pil==4){
        for (a=0;a<data;a++){
        if (a==log)continue;
    cout<<a+1<<". Nama\t\t: "<<name[a]<<endl;
    cout<<"   Gender\t: "<<gender[a]<<endl;
    cout<<"   Age\t: "<<age[a]<<endl;

        }
}
else {cout<<"There No choice for "<<pil; getch(); break;}

if (pil==2 || pil==3){
    cout<<"1. Add This Friend "<<endl;
    cout<<"2. Back "<<endl;cin>>pil;


    if (pil==1){
            for (c=0;c<fdata[log];c++){
                    if (sama[c]==a){
                        cout<<"You're Already Add This Friend!" <<endl;
                        getch();
                        goto balik;
                    }
            }

    friendname[log][fdata[log]]=name[a];
    friendage[log][fdata[log]]=age[a];
    friendgender[log][fdata[log]]=gender[a];
    friendusername[log][fdata[log]]=username[a];
    friendemail[log][fdata[log]]=email[a];
    friendname[a][fdata[a]]=name[log];
    friendage[a][fdata[a]]=age[log];
    friendgender[a][fdata[a]]=gender[log];
    friendusername[a][fdata[a]]=username[log];
    friendemail[a][fdata[a]]=email[log];

    fdata[log]++;
    fdata[a]++;
    sama[b]=a;b++;
    cout<<"Friend Succesful Added "<<endl;getch();break;

    }
    if (pil==2)break;

}
if (pil==1 || pil==4){
    cout<<"Select Friend Data : ";cin>>f;
    f=f-1;
    if (f==log){system("cls");
            cout<<"You Cant Add Yourself ";
            getch();}
    for (c=0;c<fdata[log];c++){
                    if (sama[c]==f){
                        cout<<"You're Already Add This Friend!" <<endl;
                        getch();
                        goto balik;
                    }
            }
    system("cls");
    cout<<"Nama\t: "<<name[f]<<endl;
    cout<<"Gender\t: "<<gender[f]<<endl;
    cout<<"Age\t: "<<age[f]<<endl;
    cout<<"Add This Friend"<<endl;
    cout<<"1. Yes "<<endl;
    cout<<"2. No "<<endl;
    cin>>pil;
    if (pil==1){
    friendname[log][fdata[log]]=name[f];
    friendage[log][fdata[log]]=age[f];
    friendgender[log][fdata[log]]=gender[f];
    friendusername[log][fdata[log]]=username[f];
    friendemail[log][fdata[log]]=email[log];
friendname[f][fdata[f]]=name[log];
    friendage[f][fdata[f]]=age[log];
    friendgender[f][fdata[f]]=gender[log];
    friendusername[f][fdata[f]]=username[log];

    fdata[log]++;
    fdata[f]++;
    sama[b]=a; b++;
    cout<<"Friend Succesful Added "<<endl;
    }getch();
if (pil==2)break;

}
break;
case 6: system("cls");
cout<<"1. Edit Account "<<endl;
cout<<"2. Change Password "<<endl;
cout<<"3. Delete Account "<<endl;
cout<<"4. Back To Menu "<<endl;
cin>>pil;
if (pil==4)break;
if (pil==1){system("cls"); cout<<"Name     : "<<name[log]<<endl;
         cout<<"Age      : "<<age[log]<<endl;
         cout<<"Gender   : "<<gender[log]<<endl;
         cout<<"Email    : "<<email[log]<<endl;
         cout<<"Username : "<<username[log]<<endl<<endl;

cout<<"1. Change Name "<<endl;
cout<<"2. Change Age "<<endl;
cout<<"3. Change Gender "<<endl;
cout<<"4. Change Email "<<endl;
cout<<"5. Back "<<endl;
cin>>pil;
if (pil==5)break;
else if (pil==1){system("cls");
    cout<<"Name\t: "<<name[log];
getch();
system("cls");
    cout<<"Name\t: ";cin>>change;

cout<<endl;
cout<<"Save This Changed ?"<<endl<<endl;
cout<<"1. Yes "<<endl<<"2.No ";cin>>pil;
if (pil==1){ name[log]=change;
system("cls");
cout<<"Name Succesful Changed ";
getch();break;}
if (pil=2)break;
}
else if (pil==2){system("cls");
    cout<<"Age\t: "<<age[log];
getch();
system("cls");
    cout<<"Age\t: ";cin>>change;

cout<<endl;
cout<<"Save This Changed ?"<<endl<<endl;
cout<<"1. Yes "<<endl<<"2.No ";cin>>pil;
if (pil==1){ age[log]=change;
system("cls");
cout<<"Age Succesful Changed ";
getch();break;}
if (pil=2)break;
}
else if (pil==3){system("cls");
    cout<<"Gender\t: "<<gender[log];
system("cls");
    cout<<"1. Male"<<endl;
    cout<<"2. Female"<<endl;
cout<<"Choose Gender"<<endl;
cin>>pil;
if (pil=1)change="Male";
if (pil=2)change="Female";

cout<<endl;
cout<<"Gender\t: "<<change<<endl;
cout<<"Save This Changed ?"<<endl<<endl;
cout<<"1. Yes "<<endl<<"2.No ";cin>>pil;
if (pil==1){ gender[log]=change;
system("cls");
cout<<"Gender Succesful Changed ";
getch();break;}
if (pil=2)break;
}
else if (pil==4){system("cls");
    cout<<"Email\t: "<<email[log];
getch();
system("cls");
    cout<<"Email\t: ";cin>>change;

cout<<endl;
cout<<"Save This Changed ?"<<endl<<endl;
cout<<"1. Yes "<<endl<<"2.No ";cin>>pil;
if (pil==1){ email[log]=change;
system("cls");
cout<<"Email Succesful Changed ";
getch();break;}
if (pil=2)break;
}

}
if (pil==2){
system("cls");
cout<<"Enter Your Old Password : ";cin>>passcheck;
if (passcheck!=password[log]){
    system("cls");
    cout<<"Password Wrong!"<<endl;
    getch();
    break;
}
cout<<"Enter Your New Password : ";cin>>change;
cout<<"Confirm Password        : ";cin>>confirmpass;
if (confirmpass!=change){
    cout<<"Confirm Password Not Same As Password"<<endl;
getch(); break;
}
password[log]=change;
system("cls");
cout<<"Password Has Changed Succesfully "<<endl;
getch();
break;

}
if(pil==3){
    system("cls");
    cout<<"Are You Sure Wanna Delete This Account "<<endl;
    cout<<"1. Yes "<<endl;
    cout<<"2. No "<<endl;
    cin>>pil;

if (pil==1){system ("cls");
        name[log]="This Account Has Deleted";
        age[log]="This Account Has Deleted";
        gender[log]="This Account Has Deleted";
        email[log]="This Account Has Deleted";
        username[log]=rand();
        password[log]=rand();
        system("cls");
        cout<<"Account Succeful Deleted";
    getch();
goto mainmenu;
}
if (pil==2)break;
getch();
break;
}

break;
case 7:system("cls");
    cout<<"Are You Sure Wanna Logged Out"<<endl;
    cout<<"1. Yes "<<endl;
    cout<<"2. No "<<endl;
    cin>>pil;
if (pil==1)goto mainmenu;
if (pil==2) break;

}
}
}
}