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// Sean Dolezal#include <iostream>#include <cstring>#include <vector>#include <math.h>using namespace std;int main(){	char a[10]; // Input	double a0, a1, r2, r3; // aX = input converted from string to numbers, rX = results for each of the three equations	vector<double> r1; // Vector instead of array because hell if I can remember how arrays in C++ work	bool asdf = true; // Loop control	while(asdf)	{ 		asdf = false;		cout<<"Input result for A(0): ";		cin>>a;		a0 = atof(a);		if((a0 == 0) && (strcmp(a, "0") != 0)){asdf = true;} //This checks if the input is actually 0 when atof returns 0	}	asdf = true;	while(asdf)	{		asdf = false;		cout<<"Input result for A(1): ";		cin>>a;		a1 = atof(a);		if((a1 == 0) && (strcmp(a, "0") != 0)){asdf = true;}	}	cout<<"n	A(n)		2^n		2.1^n\n";	cout<<"0	"<<a0<<"		1		1\n";	cout<<"1	"<<a1<<"		2		2.1\n";	r1.push_back(a0);	r1.push_back(a1);	for (int i = 2; i <= 20; i++)	{ // Does all the equations and prints them out and junk		r1.push_back((4 * r1[i-1]) - (4 * r1[i - 2]));		r2 = pow(2.0, i);		r3 = pow(2.1, i);		cout<<i<<"	"<<r1[i]<<"		"<<r2<<"		"<<r3<<"\n";	}	fflush(stdin);	cin.get();	r1.clear();	asdf = true;	while(asdf)	{		asdf = false;		cout<<"Input result for B(0): ";		cin>>a;		a0 = atof(a);		if((a0 == 0) && (strcmp(a, "0") != 0)){asdf = true;}	}	asdf = true;	while(asdf)	{		asdf = false;		cout<<"Input result for B(1): ";		cin>>a;		a1 = atof(a);		if((a1 == 0) && (strcmp(a, "0") != 0)){asdf = true;}	}	r1.push_back(a0);	r1.push_back(a1);	cout<<"n	B(n)		1.5^n		1.8^n\n";	cout<<"0	"<<a0<<"		1		1\n";	cout<<"1	"<<a1<<"		1.5		1.8\n";	for (int i = 2; i <= 20; i++)	{		r1.push_back((-r1[i-1]) + r1[i-2]);		r2 = pow(1.5, i);		r3 = pow(1.8, i);		cout<<i<<"	"<<r1[i]<<"		"<<r2<<"		"<<r3<<"\n";	}	fflush(stdin);	cin.get();	return 0;}