diff --git a/Exercises/1-seq.js b/Exercises/1-seq.js
index bdf0fe8..b017072 100644
--- a/Exercises/1-seq.js
+++ b/Exercises/1-seq.js
@@ -1,5 +1,4 @@
 'use strict';
 
-const seq = f => g => x => 0;
-
+const seq = f => g => (typeof g === 'number' ? f(g) : seq(x => f(g(x))));
 module.exports = { seq };
diff --git a/Exercises/2-array.js b/Exercises/2-array.js
index b6d47cf..0efc54b 100644
--- a/Exercises/2-array.js
+++ b/Exercises/2-array.js
@@ -1,5 +1,11 @@
 'use strict';
 
-const array = () => null;
+const array = () => {
+  const elements = [];
+  const get = i => elements[i];
+  get.push = x => elements.push(x);
+  get.pop = () => elements.pop();
+  return get;
+};
 
 module.exports = { array };