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 +1,5 @@
 export function triangleArea(base, height) { 
   // your code here
+  let result = base * height / 2;
+  return result;
 } 

03-maxValue/index.js

@@ -1,4 +1,14 @@
 export function maxValue(values) {
   // implementar logica aqui
-  
+  if (values.length == 0){
+    return 0;
+  }
+  return values.reduce((maiornum,atualnum) => {
+    if(maiornum > atualnum){
+      return maiornum;
+    }
+    else{
+      return atualnum;
+    }
+  })
 }

04-fibonacci/index.js

@@ -1,4 +1,9 @@
-export function fibonacci(value) {
+export function fibonacci(value,memo = {}) {
   // implementar logica aqui
-  
+  if(value < 0) return 0;
+  if(value < 2) return value;
+  if(memo[value]) return memo[value];
+  let result = fibonacci(value - 1, memo) + fibonacci(value - 2, memo);
+  memo[value] = result;
+  return result;
 }

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 >= 2;
 }

06-sum/index.js

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

07-sumEven/index.js

@@ -1,4 +1,9 @@
 export function sumEven(value) {
   // implementar logica aqui
-  
+  let resposta = 0
+  value.forEach(element => {
+    if(element % 2 === 0)
+      resposta += element
+  });
+  return resposta;
 }

08-isAnagram/index.js

@@ -1,4 +1,15 @@
 export function isAnagram(word1, word2) {
   // implementar logica aqui
-  
+  let palaminu1 = word1.toLowerCase();
+  let palaminu2 = word2.toLowerCase();
+  palaminu1 = palaminu1.split('')
+  palaminu2 = palaminu2.split('')
+  palaminu1 = palaminu1.sort()
+  palaminu2 = palaminu2.sort()
+  palaminu1 = palaminu1.join('')
+  palaminu2 = palaminu2.join('')
+  if(palaminu1 == palaminu2){
+    return true;
+  }
+  return false;
 }

09-mostRepeatedChar/index.js

@@ -1,4 +1,16 @@
 export function mostUsedChar(text) {
     // implementar logica aqui
-    return ""
+    let caractercount = 0; let caractersave = {}; let caracter = " ";
+    text.split("").forEach((repetido) => {
+        if(caractersave[repetido]){
+            caractersave[repetido] += 1;
+        } else{
+            caractersave[repetido] = 1;
+        }
+        if(caractersave[repetido] > caractercount){
+            caractercount = caractersave[repetido];
+            caracter = repetido;
+        }
+    });
+    return caracter;
 }

10-longestWords/index.js

@@ -1,4 +1,12 @@
 export function longestWords(words) {
     // implementar logica aqui
-    
+    let lista = [];
+    words.forEach(palavra => {
+        if(!lista[0] || lista[0].length < palavra.length){
+            lista = [palavra]
+        } else if(lista[0].length == palavra.length){
+            lista.push(palavra)
+        }
+    });
+    return lista;
 }