2 files changed, 53 insertions, 0 deletions
diff --git a/challenge-088/nunovieira220/js/ch-1.js b/challenge-088/nunovieira220/js/ch-1.js
new file mode 100644
index 0000000000..feb58d7db2
--- /dev/null
+++ b/challenge-088/nunovieira220/js/ch-1.js
@@ -0,0 +1,13 @@
+// Input
+const N = [2, 1, 4, 3];
+
+// Array of Product
+const res = [];
+
+for(let i = 0; i < N.length; i++) {
+  const aux = N.filter((_, index) => i !== index);
+  res.push(aux.reduce((a, b) => a * b));
+}
+
+// Output
+console.log(res);
+\ No newline at end of file
diff --git a/challenge-088/nunovieira220/js/ch-2.js b/challenge-088/nunovieira220/js/ch-2.js
new file mode 100644
index 0000000000..87c256507f
--- /dev/null
+++ b/challenge-088/nunovieira220/js/ch-2.js
@@ -0,0 +1,40 @@
+// Handle spiral matrix
+const handleMatrix = (matrix) => {
+  let res = [];
+
+  if(!matrix.length) return res;
+
+  const firstRow = matrix.splice(0, 1)[0];
+  res = res.concat(firstRow);
+
+  if(matrix.length > 0) {
+    for(let i = 0; i < matrix.length - 1; i++) {
+      const lastElem = matrix[i].splice(matrix[i].length - 1, 1)[0];
+      res.push(lastElem);
+    }
+
+    const lastRow = matrix.splice(matrix.length - 1, 1)[0];
+    res = res.concat(lastRow.reverse());
+
+    for(let i = matrix.length - 1; i >= 0; i--) {
+      const firstElem = matrix[i].splice(0, 1)[0];
+      res.push(firstElem);
+    }
+  }
+
+  return res.concat(handleMatrix(matrix));
+}
+
+// Input
+const N = [
+  [ 1,  2,  3,  4],
+  [ 5,  6,  7,  8],
+  [ 9, 10, 11, 12],
+  [13, 14, 15, 16]
+];
+
+// Spiral Matrix
+const res = handleMatrix(N);
+
+// Output
+console.log(res);
+\ No newline at end of file