Towersofhanoi

03week/readline.js

@@ -0,0 +1,10 @@
+let readline = require('readline')
+
+let cli = readline.createInterface({
+    input: process.stdin,
+    output: process.stdout
+})
+
+cli.question("What did you have for dinner?",(answer) => {
+
+})

03week/towersOfHanoi.js

@@ -19,24 +19,53 @@ function printStacks() {
   console.log("c: " + stacks.c);
 }
 
-function movePiece() {
+function isLegal(startStack, endStack) {
   // Your code here
-
+  console.log(endStack)
+  if ((startStack === 'a' || startStack === 'b' || startStack === 'c') &&
+  (endStack === 'a' || endStack === 'b' || endStack === 'c')) {
+    let lastIndexStart = stacks[startStack].length - 1;
+    let lastIndexEnd = stacks[endStack].length - 1;
+    const moveTo = stacks[endStack];
+
+    const moveFrom = stacks[startStack];
+    if ((moveFrom[lastIndexStart] < moveTo[lastIndexEnd]) || (moveTo.length === 0)) {
+      console.log('legal')
+      return true;
+    } else {
+      console.log("Invalid entry");
+      return false;
+    }
+  } else {
+    console.log("Invalid entry");
+  }
 }
 
-function isLegal() {
+function movePiece(startStack, endStack) {
   // Your code here
+  let grabbed = stacks[startStack].pop(); 
+  console.log(grabbed)
+  stacks[endStack].push(grabbed);
 
 }
 
+
+
 function checkForWin() {
   // Your code here
-
+  if (stacks.c.length === 4) {
+    console.log("You win!");
+  } else {
+    getPrompt();
+  }
 }
 
 function towersOfHanoi(startStack, endStack) {
   // Your code here
-
+  if (isLegal(startStack, endStack) === true) {
+    movePiece(startStack, endStack);
+    checkForWin(startStack, endStack);
+  }
 }
 
 function getPrompt() {

04week/mastermind.js

@@ -10,6 +10,8 @@ const rl = readline.createInterface({
 let board = [];
 let solution = '';
 let letters = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'];
+let correctLetterLocation = 0;
+let correctLetters = 0;
 
 function printBoard() {
   for (let i = 0; i < board.length; i++) {
@@ -28,15 +30,57 @@ function getRandomInt(min, max) {
   return Math.floor(Math.random() * (max - min)) + min;
 }
 
-function generateHint() {
-  // your code here
+function generateHint(guess, solution) {
+  const solutionArray = solution.split('');
+  const guessArray = guess.split('');
+  let targetIndex = null;
+  for(let i = 0; i < solutionArray.length; i++){
+    for(let j = 0; j < solutionArray.length; j++){
+      if((i === j) &&  (solutionArray[i] === guessArray[i]) && (solutionArray[i] !== null)){
+        solutionArray[i] = null;
+        correctLetterLocation++;
+        console.log('correctLettersLocation:', correctLetterLocation)
+      }else if (i !== j){
+      targetIndex = solutionArray.indexOf(guessArray[j]);
+      console.log('targetIndex:', targetIndex)
+      if(targetIndex > -1){
+        correctLetters++;
+        console.log('correctLetters:', correctLetters)
+      }
+    }
+    if(guessArray[i] === solutionArray[i]){
+      correctLetterLocation++
+      solutionArray[i] = null;
+      console.log('correctLetterLocation:', correctLetterLocation)
+    }else{
+      correctLetterLocation = 0;
+    }
+  }
+  return `${correctLetterLocation}-${correctLetters}`
 }
 
+
 function mastermind(guess) {
-  solution = 'abcd'; // Comment this out to generate a random solution
-  // your code here
+  solution = 'abcd'; 
+  if(guess === solution){
+    console.log("You guessed it!")
+  }else{
+    const hint = generateHint(guess, solution);
+    return hint;
+  }
 }
 
+// const acceptableGuess = (guess) => {
+//   if (guess.length === 4){
+//   let allLettersLegal = true;
+//   const guessArr = guess.split('');
+//   guessArr.forEach((letter) => {
+//     if(letters.indexOf(letter) === -1){
+//       allLettersLegal = false;
+//     }
+//   })
+// }
+
 
 function getPrompt() {
   rl.question('guess: ', (guess) => {