Merge pull request #5153 from ricardo-fdz/main

Reto #38 - JavaScript

Retos/Reto #38 - LAS SUMAS [Media]/javascript/ricardo-fdz.js

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+
+const convertToBinary = (num)=>{
+    let binary = []
+    while (num!==0){
+        let remainder = parseInt(num%2)
+        num = Math.floor(num/2);
+        binary.push(remainder);
+    }
+    return binary
+}
+
+const getSumsArray=(array, target )=>{
+    let sumsArray = [];
+    const combinations = Math.pow(2,array.length);
+    console.log(combinations);
+    for (var i = 1; i < combinations; i++) {
+        let positions = convertToBinary(i);
+        positions = positions.map((pos,index)=>pos!==0? index:null)
+        positions = positions.filter(pos=>pos !== null)
+        let currentSum = 0;
+        let curreSumArray= [];
+        positions.forEach(pos=>{
+            currentSum += array[pos];
+            curreSumArray.push(array[pos]);
+        })
+        if(currentSum===target){
+            sumsArray.push(curreSumArray)
+        }
+    }
+    return sumsArray
+}
+
+let res = getSumsArray([1, 5, 3, 2,1],7);
+console.log(res);
+
+
+
+
+
+
+