Merge pull request 'feature/algorithms' (#1) from feature/algorithms into master

Reviewed-on: #1

01-greeting/index.js

@@ -1,4 +1,4 @@
 export function greet(name) {
   // implementar logica aqui
-  return "";
+  return `Hello ${name}`
 }

02-triangleArea/index.js

@@ -1,3 +1,4 @@
 export function triangleArea(base, height) { 
   // your code here
+  return base * height / 2
 } 

03-maxValue/index.js

@@ -1,4 +1,9 @@
 export function maxValue(values) {
   // implementar logica aqui
-  
+  if(values.length == 0) return 0;
+
+  return values.reduce((ac, value) => {
+    if(ac > value) return ac;
+    return value
+  }, );
 }

04-fibonacci/index.js

@@ -1,4 +1,15 @@
 export function fibonacci(value) {
   // implementar logica aqui
+  let n1 = 0
+  let n2 = 1
+  let fibo
+
+  for (let i = 1; i <= value; i++) {
+    fibo = n1 + n2;
+    n1 = n2;
+    n2 = fibo;
+  };
+
+  return n1
   
 }

05-isPrime/index.js

@@ -1,4 +1,9 @@
 export function isPrime(value) {
   // implementar logica aqui
-  
+  for (let i = 2; i < value; i++) {
+    if(value % i == 0) return false;
+  };
+
+  return value > 1
+
 }

06-sum/index.js

@@ -1,4 +1,6 @@
 export function sum(values) {
   // implementar logica aqui
-  
+  return values.reduce((ac, value) => {
+    return ac += value;
+  }, 0);
 }

07-sumEven/index.js

@@ -1,4 +1,8 @@
 export function sumEven(value) {
   // implementar logica aqui
-  
+  return value.filter((number) => {
+    if(number % 2 == 0) return number;
+  }).reduce((ac, number) => {
+    return ac += number;
+  }, 0);
 }

08-isAnagram/index.js

@@ -1,4 +1,8 @@
 export function isAnagram(word1, word2) {
   // implementar logica aqui
-  
+  word1 = word1.toLowerCase().split('').sort().join('');
+  word2 = word2.toLowerCase().split('').sort().join('');
+
+  if(word1 == word2) return true;
+  return false;
 }

09-mostRepeatedChar/index.js

@@ -1,4 +1,14 @@
 export function mostUsedChar(text) {
     // implementar logica aqui
-    return ""
+    let max = 0
+    let maxChar = ''
+
+    text.split('').forEach((char) => {
+        if(text.split(char).length > max) {
+            max = text.split(char).length;
+            maxChar = char;
+        }
+    });
+
+    return maxChar
 }

10-longestWords/index.js

@@ -1,4 +1,20 @@
 export function longestWords(words) {
     // implementar logica aqui
+    let long = ''
+
+    const longest = words.map((word) => {
+        if(word.length > long.length) {
+            long = word;
+        }
+
+        return word
+
+    }).filter((word) => {
+        if(word.length === long.length) {
+            return word;
+        }
+    });
+
+    return longest
     
 }