Add solution directories for exercises

10_fibonacci/solution/fibonacci-solution.js

@@ -0,0 +1,14 @@
+const fibonacci = function (count) {
+    if (count < 0) return 'OOPS';
+    if (count === 0) return 0;
+    let a = 0;
+    let b = 1;
+    for (let i = 1; i < count; i++) {
+        const temp = b;
+        b = a + b;
+        a = temp;
+    }
+    return b;
+};
+
+module.exports = fibonacci;