diff --git a/package-lock.json b/package-lock.json
index 209bf32..38e143a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -67,6 +67,7 @@
       "integrity": "sha512-lWBYIrF7qK5+GjY5Uy+/hEgp8OJWOD/rpy74GplYRhEauvbHDeFB8t5hPOZxCZ0Oxf4Cc36tK51/l3ymJysrKw==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@ampproject/remapping": "^2.2.0",
         "@babel/code-frame": "^7.26.2",
@@ -1417,6 +1418,7 @@
         }
       ],
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "caniuse-lite": "^1.0.30001688",
         "electron-to-chromium": "^1.5.73",
@@ -2617,6 +2619,7 @@
       "integrity": "sha512-NIy3oAFp9shda19hy4HK0HRTWKtPJmGdnvywu01nOqNC2vZg+Z+fvJDxpMQA88eb2I9EcafcdjYgsDthnYTvGw==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@jest/core": "^29.7.0",
         "@jest/types": "^29.6.3",
diff --git a/src/functions.ts b/src/functions.ts
index 674ff85..1bdf04a 100644
--- a/src/functions.ts
+++ b/src/functions.ts
@@ -7,7 +7,7 @@
  * greet("Hamza") logs "Hello Hamza"
  */
 function greet(name: string): void {
-  // Your code here
+  console.log(`Hello ${name}`);
 }
 
 /**
@@ -21,8 +21,8 @@ function greet(name: string): void {
  */
 function isOdd(n: number): boolean {
   // Your code here
-
-  return false; // replace false with what you see is fit
+  return n % 2 !== 0;
+ // replace false with what you see is fit
 }
 
 /**
@@ -35,10 +35,10 @@ function isOdd(n: number): boolean {
  * oddsSmallerThan(15) -> 7; // the odd numbers being 1, 3, 5, 7, 9, 11, 13
  */
 function oddsSmallerThan(n: number): number {
-  // Your code here
-
-  return -1; // replace -1 with what you see is fit
-}
+  if (n <= 1) return 0;           // Edge case: no odd numbers smaller
+  return Math.floor(n / 2);        // Formula: half of n (rounded down)
+  }
+ // replace -1 with what you see is fit
 
 /**
  * squareOrDouble(n):
@@ -52,8 +52,8 @@ function oddsSmallerThan(n: number): number {
  */
 function squareOrDouble(n: number): number {
   // Your code here
-
-  return -1; // replace -1 with what you see is fit
+if (n % 2 !== 0) {
+  return n * n;
+} else return n * 2; 
 }
-
 export { greet, isOdd, oddsSmallerThan, squareOrDouble };