lab13: impl

lab13/sortAndGetLargest.ts

@@ -0,0 +1,28 @@
+// sortAndGetLargest.ts
+
+function swap(arr: number[], i: number, j: number): void {
+    const tmp: number = arr[i];
+    arr[i] = arr[j];
+    arr[j] = tmp;
+}
+
+function sortAndGetLargest(arr: number[]): number {
+    if (arr.length === 0) {
+        throw new Error("Array must not be empty");
+    }
+
+    // Sort the array in descending order
+    for (let i = 0; i < arr.length; i += 1) {
+        for (let j = i + 1; j < arr.length; j += 1) {
+            if (arr[i] < arr[j]) {
+                swap(arr, i, j);
+            }
+        }
+    }
+
+    // The largest element is now at index 0
+    return arr[0];
+}
+
+const largest: number = sortAndGetLargest([99, 2, 43, 8, 0, 21, 12]);
+console.log(largest); // should be 99, but prints 0