From acaf8eb11e5a8e5c2f91803fb790f473736af54a Mon Sep 17 00:00:00 2001 From: Will Thorp Date: Tue, 15 Aug 2017 17:53:37 +0200 Subject: [PATCH] done --- starter-code/functions-and-arrays.js | 114 +++++++++++++++++++++++---- 1 file changed, 100 insertions(+), 14 deletions(-) diff --git a/starter-code/functions-and-arrays.js b/starter-code/functions-and-arrays.js index 039bef297..755ae094f 100644 --- a/starter-code/functions-and-arrays.js +++ b/starter-code/functions-and-arrays.js @@ -1,6 +1,10 @@ // Find the maximum function maxOfTwoNumbers (first, second) { - + if (first > second) { + return first + } else { + return second + } } var largest = maxOfTwoNumbers(2, 6); @@ -8,7 +12,13 @@ console.log(largest); // Finding Longest Word function findLongestWord (words) { - + var longestWord = ""; + for (i = 0; i < words.length; i++) { + if (words[i].length > longestWord.length) { + longestWord = words[i]; + } + } + return longestWord.length; } var words = [ @@ -25,7 +35,11 @@ console.log(longest); // Calculating a Sum function sumArray (array) { - + var sum = 0; + for (i = 0; i < array.length; i++) { + sum += array[i]; + } + return sum; } var numbers = [6, 12, 1, 18, 13, 16, 2, 1, 8, 10]; @@ -34,7 +48,11 @@ console.log(total); // Calculate the Average function averageNumbers (array) { - + var sum = 0; + for (i = 0; i < array.length; i++) { + sum += array[i]; + } + return (sum / array.length); } var numbers = [2, 6, 9, 10, 7, 4, 1, 9]; @@ -43,7 +61,11 @@ console.log(average); // Array of Strings function averageWordLength (array) { - + var sum = 0; + for (i = 0; i < array.length; i++) { + sum += array[i].length; + } + return (sum / array.length); } var words = [ @@ -63,9 +85,16 @@ console.log(averageLength); // Unique Arrays function uniquifyArray (array) { - + var newArray = []; + for (i = 0; i < array.length; i++) { + if (array.indexOf(array[i]) == i) { + newArray.push(array[i]); + } + } + return newArray; } + var words = [ "crab", "poison", @@ -84,7 +113,12 @@ console.log(uniqued); // Finding Elements function doesWordExist (wordsArray, word) { - + for (i = 0; i < wordsArray.length; i++) { + if (wordsArray[i] == word) { + return true; + } + } + return false; } var words = [ @@ -106,7 +140,13 @@ console.log(hasDog); // Counting Repetion function howManyTimes (words, word) { - + var count = 0; + for (i = 0; i < words.length; i++) { + if (words[i] == word) { + count++; + } + } + return count; } var words = [ @@ -131,12 +171,58 @@ console.log(howManyDog); // Bonus Quest function greatestProduct (matrix) { + var answer = 0; + for (i = 0; i < matrix.length; i++) { + for (j = 0; j < matrix.length; j++) { + + + if (i === 0 && j === 0) { + if ((matrix[i][j + 1] * matrix [i + 1][j] * matrix[0][19] * matrix[19][0]) > answer) { + answer = matrix[i][j + 1] * matrix[i + 1][j] * matrix[0][19] * matrix[19][0]; + } + } else if (i === 0 && 0 < j && j < 19) { + if ((matrix[i][j + 1] * matrix [i + 1][j] * matrix[i][j - 1] * matrix[19][j]) > answer) { + answer = matrix[i][j + 1] * matrix[i + 1][j] * matrix[i][j - 1] * matrix[19][j]; + } + } else if (i === 0 && j === 19) { + if ((matrix[19][19] * matrix [0][0] * matrix[i][j - 1] * matrix[i + 1][j]) > answer) { + answer = matrix[i][j + 1] * matrix[i + 1][j] * matrix[i][j - 1] * matrix[19][j]; + } + } else if (0 < i && i < 19 && j === 0) { + if ((matrix[i - 1][j] * matrix[i][j + 1] * matrix[i + 1][j] * matrix[i][19]) > answer) { + answer = matrix[i - 1][j] * matrix[i][j + 1] * matrix[i + 1][j] * matrix[i][19]; + } + } else if (0 < i && i < 19 && j === 19) { + if ((matrix[i - 1][j] * matrix[0][j] * matrix[i + 1][j] * matrix[i][j - 1]) > answer) { + answer = matrix[i - 1][j] * matrix[0][j] * matrix[i + 1][j] * matrix[i][j - 1]; + } + } else if (i === 19 && j === 0) { + if ((matrix[i - 1][j] * matrix[i][j + 1] * matrix[0][0] * matrix[19][19]) > answer) { + answer = matrix[i - 1][j] * matrix[i][j + 1] * matrix[0][0] * matrix[19][19]; + } + } else if (i === 19 && 0 < j && j < 19) { + if ((matrix[i - 1][j] * matrix[i][j + 1] * matrix[0][j] * matrix[i][j - 1]) > answer) { + answer = matrix[i - 1][j] * matrix [i][j + 1] * matrix[0][j] * matrix[i][j - 1]; + } + } else if (i === 19 && j === 19) { + if ((matrix[i - 1][j] * matrix[0][0] * matrix[0][19] * matrix[i][j - 1]) > answer) { + answer = matrix[i - 1][j] * matrix[0][0] * matrix[0][19] * matrix[i][j - 1]; + } + } else { + if ((matrix[i - 1][j] * matrix[i][j + 1] * matrix[i + 1][j] * matrix[i][j - 1]) > answer) { + answer = matrix[i - 1][j] * matrix[0][0] * matrix[0][19] * matrix[i][j - 1]; + } + } + + } + } + return answer; +} -} var matrix = [ - [08,02,22,97,38,15,0,40,0,75,04,05,07,78,52,12,50,77,91,08], - [49,49,99,40,17,81,18,57,60,87,17,40,98,43,69,48,04,56,62,0], + [08,02,22,97,38,15,00,40,00,75,04,05,07,78,52,12,50,77,91,08], + [49,49,99,40,17,81,18,57,60,87,17,40,98,43,69,48,04,56,62,00], [81,49,31,73,55,79,14,29,93,71,40,67,53,88,30,03,49,13,36,65], [52,70,95,23,04,60,11,42,69,24,68,56,01,32,56,71,37,02,36,91], [22,31,16,71,51,67,63,89,41,92,36,54,22,40,40,28,66,33,13,80], @@ -144,10 +230,10 @@ var matrix = [ [32,98,81,28,64,23,67,10,26,38,40,67,59,54,70,66,18,38,64,70], [67,26,20,68,02,62,12,20,95,63,94,39,63,08,40,91,66,49,94,21], [24,55,58,05,66,73,99,26,97,17,78,78,96,83,14,88,34,89,63,72], - [21,36,23,09,75,0,76,44,20,45,35,14,0,61,33,97,34,31,33,95], + [21,36,23,09,75,00,76,44,20,45,35,14,00,61,33,97,34,31,33,95], [78,17,53,28,22,75,31,67,15,94,03,80,04,62,16,14,09,53,56,92], - [16,39,05,42,96,35,31,47,55,58,88,24,0,17,54,24,36,29,85,57], - [86,56,0,48,35,71,89,07,05,44,44,37,44,60,21,58,51,54,17,58], + [16,39,05,42,96,35,31,47,55,58,88,24,00,17,54,24,36,29,85,57], + [86,56,00,48,35,71,89,07,05,44,44,37,44,60,21,58,51,54,17,58], [19,80,81,68,05,94,47,69,28,73,92,13,86,52,17,77,04,89,55,40], [04,52,08,83,97,35,99,16,07,97,57,32,16,26,26,79,33,27,98,66], [88,36,68,87,57,62,20,72,03,46,33,67,46,55,12,32,63,93,53,69],