pin.cpp

#include <iostream>
#include <cstdlib>
#include <ctime>

using namespace std;

int main(int argc, char const *argv[])
{
	string pin,tpin;
	int *seq;
	srand (time(NULL));
	cout<<"Enter your pin: ";
	cin>>pin;
	seq = new int[10];
	for(int i=0;i<10;i++){
		seq[i] = rand()%10;
		cout<<i<<" ";
	}
	cout<<endl;
	for(int i=0;i<10;i++){
		cout<<seq[i]<<" ";// = rand()%10;
	}
	cout<<endl;
	cout<<"Enter your pin using these number: ";
	cin>>tpin;
	if(tpin.size()!=pin.size()){
		cout<<"Wrong PIN entered.";
	}
	for(int i=0;i<pin.size();i++){
		if(seq[(int)(pin[i]-'0')]!=(int)(tpin[i]-'0')){
			cout<<"Wrong PIN.\n";
			return 0;
		}
	}
	cout<<"PIN matched!!! Hurray.\n";
	return 0;
}