[REFACTOR] [Hacker Rank] Interview Preparation Kit: Hash Tables: Ice Cream Parlor.

* Adjusted the interface to match what hackerrank expects.

Author: sir-gon

src/hackerrank/interview_preparation_kit/search/ctci_ice_cream_parlor.ts

@@ -4,10 +4,7 @@
 
 const __RADIX__ = 10;
 
-export function whatFlavorsCompute(
-  cost: number[],
-  money: number
-): number[] | null {
+function whatFlavorsCompute(cost: number[], money: number): number[] | null {
   const cache: Record<number, number> = {};
 
   for (const [key, price] of Object.entries(cost)) {
@@ -24,8 +21,9 @@ export function whatFlavorsCompute(
   return [];
 }
 
-export function whatFlavors(cost: number[], money: number): void {
+function whatFlavors(cost: number[], money: number): void {
   console.log(whatFlavorsCompute(cost, money)?.join(' '));
 }
 
 export default { whatFlavorsCompute, whatFlavors };
+export { whatFlavorsCompute, whatFlavors };

src/hackerrank/interview_preparation_kit/search/ctci_ice_cream_parlor_bruteforce.ts

@@ -2,10 +2,7 @@
  * @link Problem definition [[docs/hackerrank/interview_preparation_kit/search/ctci-ice-cream-parlor.md]]
  */
 
-export function whatFlavorsBruteforceCompute(
-  cost: number[],
-  money: number
-): number[] {
+function whatFlavorsBruteforceCompute(cost: number[], money: number): number[] {
   const RADIX = 10;
 
   for (const key of Object.keys(cost)) {
@@ -25,8 +22,9 @@ export function whatFlavorsBruteforceCompute(
   return [];
 }
 
-export function whatFlavors(cost: number[], money: number): void {
+function whatFlavors(cost: number[], money: number): void {
   console.log(whatFlavorsBruteforceCompute(cost, money)?.join(' '));
 }
 
 export default { whatFlavorsBruteforceCompute, whatFlavors };
+export { whatFlavorsBruteforceCompute, whatFlavors };

src/hackerrank/interview_preparation_kit/search/ctci_ice_cream_parlor_optimized.ts

@@ -4,7 +4,7 @@
 
 const __RADIX__ = 10;
 
-export function whatFlavorsCompute(cost: number[], money: number): number[] {
+function whatFlavorsCompute(cost: number[], money: number): number[] {
   let ans1: number | null = null;
   let ans2: number | null = null;
 
@@ -45,8 +45,9 @@ export function whatFlavorsCompute(cost: number[], money: number): number[] {
   return Array.from(result);
 }
 
-export function whatFlavors(cost: number[], money: number): void {
+function whatFlavors(cost: number[], money: number): void {
   console.log(whatFlavorsCompute(cost, money)?.join(' '));
 }
 
 export default { whatFlavorsCompute, whatFlavors };
+export { whatFlavorsCompute, whatFlavors };