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#include <cstdlib>
#include <cmath>
#include <iostream>
#include <string>
#include <vector>
using std::cin;
using std::cout;
using std::endl;
using std::flush;
using std::string;
using std::vector;
template <class T>
std::ostream& operator << (std::ostream& o, const std::vector<T>& v)
{
o << v[0];
for(int i = 1; i < v.size(); i++)
{ o << ' ' << v[i]; }
return o;
}
string hello()
{
string hello = "Hello World.";
return hello;
}
vector<int> sort(vector<int> ary) //based on Shell Sort from geeksforgeeks.org
{
int n = ary.size();
for(int gap = n/2; gap > 0; gap /= 2)
{
for (int i = gap; i < n; i++)
{
int temp = ary[i];
int j;
for (j = i; j >= gap && ary[j - gap] > temp; j -= gap)
{ ary[j] = ary[j - gap]; }
ary[j] = temp;
}
}
return ary;
}
vector<int> primes(int b) //based on code from algolist.net
{
vector<int> bucket = vector<int>(b);
vector<bool> sieve = vector<bool>(b);
for(int i = 0; i < b; i++)
{ sieve.push_back(false); }
for(int p = 2; p < sqrt(b); p++)
{
if(sieve.at(p) == false)
{
for(int k = p * p; k < b; k += p)
{
sieve.insert(sieve.begin() + k, true);
}
}
}
for(int i = 0; i < bucket.capacity(); i++)
{
if(sieve.at(i) == false)
{ bucket.push_back(i); }
}
return bucket;
}
string rot(string ins)
{
string ous = string();
char ltrsFst[13] = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm'};
char ltrsFstC[13] ={'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M'};
char ltrsLst[13] = {'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'};
char ltrsLstC[13] ={'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'};
for(int i = 0; i < ous.size(); i++)
{
for(int j = 0; j < 13; j++)
{
if(ins[i] == ltrsFst[j])
{ ous[i] = ltrsLst[j]; }
else if(ins[i] == ltrsFstC[j])
{ ous[i] = ltrsLstC[j]; }
else if(ins[i] == ltrsLst[j])
{ ous[i] = ltrsFst[j]; }
else if(ins[i] == ltrsLstC[j])
{ous[i] = ltrsFstC[j]; }
}
}
return ous;
}
void showArr(vector<int> a)
{
for(int i = 0; i < a.size(); i++)
{
cout << '[' << a[i] << ']';
}
for(int i = 0; i < a.capacity(); i++)
{
cout << "[ ]";
}
cout << endl;
}
int test1()
{
int se;
string inp;
vector<int> ray;
cout << "Welcome to the Interactive ArrayList." << endl;
cout << "What size of array do you want?" << endl;
cin >> se;
ray = vector<int>(se);
for(bool close = false; close != true;)
{ try {
cout << "Commands are: " << endl
<< "append `x`, insert `x` `p`, popend, remove `p`, sort, swap `p1` `p2`" << endl;
showArr(ray);
cin >> inp;
if(inp == "X")
{
std::cout << "Are you sure?" << endl
<< "Y/n" << endl;
cin >> inp;
if(inp == "Y")
{
cout << "Testing Complete" << endl;
close = true;
}
else
{
cout << "Resuming Test" << endl;
}
}
else if(inp == "append")
{
int num;
cin >> num;
ray.push_back(num);
}
else if(inp == "insert")
{
int num;
int pos;
cin >> num >> pos;
ray.insert(ray.begin() + pos, num);
}
else if(inp == "popend")
{
ray.pop_back();
}
else if(inp == "remove")
{
int pos;
cin >> pos;
ray.erase(ray.begin() + pos);
}
else if(inp == "swap")
{
int p1;
int p2;
cin >> p1 >> p2;
std::swap(p1, p2);
}
else
{ cout << "Command not recognized. Try again." << endl; }
cout << flush;
}
catch(std::exception& e)
{
cout << "ERROR: " << e.what() << endl;
}
}
return 0;
}
int test2()
{
string inp;
vector<int> bucket = vector<int>();
int num = 0;
cout << "Welcome to Array Test Auto" << endl;
cout << endl;
cout << "--- Printing Test ---" << endl;
cout << hello() << endl;
cout << endl;
cout << "--- Sort Test ---" << endl;
while(cin.get() != '\n')
{
cin >> num;
bucket.push_back(num);
}
cout << sort(bucket) << endl;
cout << endl;
cout << "--- Primes Test ---" << endl
<< "Enter a number to count to..." << endl;
cin >> num;
cout << "Primes from one to " << num;
cout << primes(num) << endl;
cout << endl;
cout << "--- Rot13 Test ---" << endl
<< "Enter a string." << endl;
cin >> inp;
cout << rot(inp) << endl;
cout << endl;
cout << "Testing Complete" << endl;
return 0;
}
int main()
{
char inp;
vector<int> bucket;
int num = 0;
int rtn = 0;
cout << "How do you want to test ArrayList:" << endl
<< "\t 1: Manipulate an ArrayList of integers." << endl
<< "\t 2: Print from an ArrayList" << endl
<< "\t 3: Sort an ArrayList of Integers" << endl
<< "\t 4: Generate a sequence of prime numbers" << endl
<< "\t 5: Run Rot13 on a string" << endl
<< "\t 6: Run all four automatic tests" << endl
<< endl
<< "Enter X to quit.";
cin >> inp;
for(bool close = false; close != true;)
{
if(inp == 'X')
{
cout << "Are you sure?" << endl
<< "Y/n" << endl;
cin >> inp;
if(inp == 'Y')
{
cout << "Testing Complete" << endl
<< "Press ENTER to continue...";
close = true;
rtn = 0;
cin.ignore();
}
else
{ cout << "Resuming Test" << endl; }
}
else if(inp == '1')
{
cout.clear();
rtn = test1();
cin.clear();
}
else if(inp == '2')
{
cout.clear();
cout << hello() << endl;
cin.clear();
}
else if(inp == '3')
{
cout.clear();
bucket = vector<int>();
cout << "Enter a list of integers:" << endl
<< endl;
while(cin.get() != '\n')
{
cin >> num;
bucket.push_back(num);
}
cout << "This is your list:" << endl
<< bucket << endl
<< endl;
bucket = sort(bucket);
cout << "This is your list sorted:" << endl
<< bucket << endl;
cin.clear();
}
else if(inp == '4')
{
cout.clear();
cout << "What number do you want to count to?" << endl;
cin >> num;
cout << primes(num) << endl;
cin.clear();
}
/* ignore this for now it's not done
else if(inp == '5')
{
cout.clear();
cout << "Enter a string" << endl;
cin.clear();
}
*/
else if(inp == '6')
{
cout.clear();
rtn = test2();
cin.clear();
}
else
{ cout << "Command not recognized. Try again." << endl; }
}
return rtn;
}
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