Hanoi tower

CPP/miscelanious/hanoi/hanoi.cpp

@@ -1,6 +1,157 @@
 #include <iostream>
+#include <deque>
+#include <math.h>
+
+const int NUMBER_OF_FREE_STICKS = 3;
+
+void drawSpaces(int &numberOfPlates, int currentPlate)
+{
+  for(int i = 0; i < numberOfPlates - currentPlate; i++)
+  {
+    std::cout << " ";
+  }
+}
+
+void drawFreeSticks(int &numberOfPlates)
+{
+  for(int i = 0; i < NUMBER_OF_FREE_STICKS; i++)
+  {
+    std::cout << "|";
+    drawSpaces(numberOfPlates, 0);
+    std::cout << "|";
+    drawSpaces(numberOfPlates, 0);
+    std::cout << "|" << std::endl;
+  }
+}
+
+void drawRod(std::deque<int> &rod, int &currentLevel)
+{
+  unsigned int currentLevelUnsinged = currentLevel;
+  if(rod.size() > currentLevelUnsinged)
+  {
+    int j = rod[currentLevel];
+    do
+    {
+      std::cout << "#";
+      j--;
+    }while (j != 0);
+  }else std::cout << "|";
+}
+
+void drawRest(std::deque<int> &firstRod, std::deque<int> &secondRod, std::deque<int> &thirdRod, int &numberOfPlates)
+{
+  for(int i = 0; i < numberOfPlates; i++)
+  {
+    drawRod(firstRod, i);
+    drawRod(secondRod, i);
+    drawRod(thirdRod, i);
+    std::cout << std::endl;
+  }
+}
+
+
+void drawTheTowers(std::deque<int> &firstRod, std::deque<int> &secondRod, std::deque<int> &thirdRod, int &numberOfPlates)
+{
+  drawFreeSticks(numberOfPlates);
+  drawRest(firstRod, secondRod, thirdRod, numberOfPlates);
+}
+
+
+
+
+void printDeque(const std::deque <int> deque)
+{
+  if(deque.size() != 0)
+  {
+    std::cout << "[";
+    for(unsigned int i = 0; i < deque.size(); i++)
+    {
+      std::cout << deque[i] << "; ";
+    }
+    std::cout << "]" << std::endl;
+  }else std::cout << "Deque is empty" << std::endl;
+}
+
+void onlyLegalMove(std::deque<int> &firstRod, std::deque<int> &secondRod)
+{
+  if((!firstRod.empty() && firstRod.front() == 0) || (!secondRod.empty() && secondRod.front() == 0))
+  {
+    printDeque(firstRod);
+    printDeque(secondRod);
+  }
+
+  if(firstRod.empty() && secondRod.empty())
+  {
+    std::cout << "BOTH EMPTY!" << std::endl;
+  }else if(secondRod.empty() || (!firstRod.empty() && firstRod.front() < secondRod.front()) )
+  {
+    secondRod.push_front(firstRod.front());
+    firstRod.pop_front();
+  }else if(firstRod.empty() || (!secondRod.empty() && firstRod.front() > secondRod.front()) )
+  {
+    firstRod.push_front(secondRod.front());
+    secondRod.pop_front();
+  }else
+  {
+    std::cout << "SOMETHING WENT TERRIBLY WRONG!" << std::endl;
+    printDeque(firstRod);
+    printDeque(secondRod);
+  }
+}
+
+void doTheThingEven(std::deque<int> &firstRod, std::deque<int> &secondRod, std::deque<int> &thirdRod)
+{
+  int i = 0;
+  do{
+    onlyLegalMove(firstRod, secondRod);
+    i++;
+    onlyLegalMove(firstRod, thirdRod);
+    i++;
+    onlyLegalMove(secondRod, thirdRod);
+    i++;
+  }while(thirdRod.size() != 6);
+  printDeque(firstRod);
+  printDeque(secondRod);
+  printDeque(thirdRod);
+  std::cout << i << std::endl;
+}
+
+void doTheThingOdd(std::deque<int> &firstRod, std::deque<int> &secondRod, std::deque<int> &thirdRod)
+{
+  int i = 0;
+  do{
+    onlyLegalMove(firstRod, thirdRod);
+    i++;
+    onlyLegalMove(firstRod, secondRod);
+    i++;
+    onlyLegalMove(secondRod, thirdRod);
+    i++;
+  }while(thirdRod.size() != 6);
+  printDeque(firstRod);
+  printDeque(secondRod);
+  printDeque(thirdRod);
+  std::cout << i << std::endl;
+}
+
+/*
+even:
+AB AC BC
+odd:
+AC AB BC
+*/
+
 
 int main()
 {
+  //int numberOfPlates = 6;
+
+  std::deque<int> firstRod, secondRod, thirdRod;
+  firstRod = {1, 2, 3, 4, 5, 6};
+  secondRod = {};
+  thirdRod = {};
+  if(firstRod.size() % 2 == 0) doTheThingEven(firstRod, secondRod, thirdRod);
+  else doTheThingOdd(firstRod, secondRod, thirdRod);
+
+
   return 0;
 }