Question

a program to accept a password from user

Answer 1

#include <iostream>
#include <string>
using namespace std;

int main()
{   
    string pw;
    string error = "Sorry invalid password";     
    
    cout <<"Hello Enter your password" << endl;
    cin >> pw;
    
    if (pw == "liv4love"){
        cout << "Welcome to control panel";
        } else {
           cout << error << " .......ACCESS DENIED!";
        }

    return 0;
}

Answer 2

#include<stdio.h>                                                                                                                                                          main()                                                                                                                                                                             {                                                                                                                                                                                              int pin=0000,count;                                                                                                                                                    while(pin==0000) {                                                                                                                                                      (count>3);                                                                                                                                                               printf("enter pin : ) ;                                                                                                                                                     scanf("%d",&pin); }                                                                                                                                                       if(pin!=0000)                                                                                                                                                              { printf(" incorrect pin try again :");                                                                                                                                scanf("%d",&pin);  }                                                                                                                                                   else{ printf(" welcome user ");  }

Answer 3

#include <iostream>
#include <string>
using namespace std;
main()
{
  string pw,p;
cout<<"create your password";
cin>>pw;
cout<<"enter your password";
cin>>p;
if(pw = p){
cout<<"welcome user";
}
else{
cout<<"sorry wrong password";
}
}