Iteration ironhack-labs#8: Bonus

Author: Pumpelgit

src/functions-and-arrays.js

@@ -138,6 +138,19 @@ function uniquifyArray(wordsArr) {
 // Iteration #6: Find elements
 const wordsFind = ['machine', 'subset', 'trouble', 'starting', 'matter', 'eating', 'truth', 'disobedience'];
 
+function doesWordExist(wordsArr, wordToSearch) {
+  if (wordsArr.length<=0) {
+    return null
+  }
+
+  for (let i = 0; i < wordsArr.length; i++) {
+    if (wordsArr[i] === wordToSearch) {
+      return true
+    }
+  }
+  return false
+}
+
 // Iteration #7: Count repetition
 const wordsCount = [
   'machine',
@@ -153,6 +166,17 @@ const wordsCount = [
   'matter'
 ];
 
+function howManyTimes(wordsArr, wordToCount) {
+  let counter = 0
+  for (let i = 0; i < wordsArr.length; i++) {
+    if (wordsArr[i] === wordToCount) {
+      counter++
+    }
+  }
+  
+  return counter
+}
+
 // Iteration #8: Bonus
 
 const matrix = [
@@ -177,3 +201,34 @@ const matrix = [
   [20, 73, 35, 29, 78, 31, 90, 1, 74, 31, 49, 71, 48, 86, 81, 16, 23, 57, 5, 54],
   [1, 70, 54, 71, 83, 51, 54, 69, 16, 92, 33, 48, 61, 43, 52, 1, 89, 19, 67, 48]
 ];
+
+function greatestProduct(matrix) {
+  //let currentGreatestProductArr = []
+  let currentHighestProduct = 0
+  for (let i = 0; i < matrix.length; i++) {
+    for (let j = 0; j < matrix[i].length; j++) {
+      let tempProductHorz = 0
+      let tempProductVert = 0
+      if(j+3< matrix[i].length) {
+        tempProductHorz = matrix[i][j] * matrix[i][j + 1] * matrix[i][j + 2] * matrix[i][j + 3]
+      }
+      if(i+3< matrix.length) {
+        tempProductVert = matrix[i][j] * matrix[i + 1][j] * matrix[i+ 2][j] * matrix[i+ 3][j]
+      }
+       if(tempProductHorz > tempProductVert) {
+         if(currentHighestProduct < tempProductHorz) {
+           currentHighestProduct = tempProductHorz
+           //currentGreatestProductArr = [matrix[i][j], matrix[i][j + 1] , matrix[i][j + 2] , matrix[i][j + 3]]
+         }
+       }
+       else {
+        if(currentHighestProduct < tempProductVert) {
+          currentHighestProduct = tempProductVert
+          //currentGreatestProductArr = [ matrix[i][j] , matrix[i + 1][j] , matrix[i+ 2][j] , matrix[i+ 3][j]]
+        }
+       }       
+    }
+  }
+  console.log(currentHighestProduct)
+  return currentHighestProduct
+}