[REFACTOR] [Hacker Rank] implementation exercises.

* standarized interface.

Author: Gonzalo Diaz

src/hackerrank/implementation/betweenTwoSets.js

@@ -2,7 +2,7 @@
  * @link Problem definition [[docs/hackerrank/implementation/betweenTwoSets.md]]
  */
 
-export function isFactor(n, group) {
+function isFactor(n, group) {
   let result = true;
   let i = 0;
 
@@ -19,7 +19,7 @@ export function isFactor(n, group) {
   return result;
 }
 
-export function factorOf(n, group) {
+function factorOf(n, group) {
   let result = true;
   let i = 0;
 
@@ -36,7 +36,7 @@ export function factorOf(n, group) {
   return result;
 }
 
-export function getTotalX(a, b) {
+function getTotalX(a, b) {
   let max = 0;
   for (const j of b) {
     if (j > max) max = j;
@@ -53,4 +53,5 @@ export function getTotalX(a, b) {
   return result.length;
 }
 
-export default { getTotalX };
+export default { getTotalX, isFactor, factorOf };
+export { getTotalX, isFactor, factorOf };

src/hackerrank/implementation/birthday.js

@@ -4,7 +4,7 @@
 
 import { logger as console } from '../../logger.js';
 
-export function birthday(s, d, m) {
+function birthday(s, d, m) {
   let result = 0;
   console.debug(`s: ${s}`);
 
@@ -23,3 +23,4 @@ export function birthday(s, d, m) {
 }
 
 export default { birthday };
+export { birthday };

src/hackerrank/implementation/bonAppetit.js

@@ -4,7 +4,7 @@
 
 import { logger as console } from '../../logger.js';
 
-export function bonAppetit(bill, k, b) {
+function bonAppetit(bill, k, b) {
   const totalSum = bill.reduce(
     (previousValue, currentValue) => previousValue + currentValue,
     0
@@ -25,3 +25,4 @@ export function bonAppetit(bill, k, b) {
 }
 
 export default { bonAppetit };
+export { bonAppetit };

src/hackerrank/implementation/breakingRecords.js

@@ -2,7 +2,7 @@
  * @link Problem definition [[docs/hackerrank/implementation/breakingRecords.md]]
  */
 
-export function breakingRecords(scores) {
+function breakingRecords(scores) {
   if (scores.length === 0) {
     throw new Error('Empty input');
   }
@@ -29,3 +29,4 @@ export function breakingRecords(scores) {
 }
 
 export default { breakingRecords };
+export { breakingRecords };

src/hackerrank/implementation/countApplesAndOranges.js

@@ -2,7 +2,7 @@
  * @link Problem definition [[docs/hackerrank/implementation/countApplesAndOranges.md]]
  */
 
-export function countApplesAndOranges(s, t, a, b, apples, oranges) {
+function countApplesAndOranges(s, t, a, b, apples, oranges) {
   let cApples = 0;
   let cOranges = 0;
 
@@ -26,3 +26,4 @@ export function countApplesAndOranges(s, t, a, b, apples, oranges) {
 }
 
 export default { countApplesAndOranges };
+export { countApplesAndOranges };

src/hackerrank/implementation/countingValleys.js

@@ -4,7 +4,7 @@
 
 import { logger as console } from '../../logger.js';
 
-export function countingValleys(steps, path) {
+function countingValleys(steps, path) {
   const stepList = path.split('');
   let altitude = 0;
   let valleys = 0;
@@ -27,3 +27,4 @@ export function countingValleys(steps, path) {
 }
 
 export default { countingValleys };
+export { countingValleys };

src/hackerrank/implementation/dayOfProgrammer.js

@@ -7,7 +7,7 @@ import { daysInMonthNumber } from '../../constants/index.js';
 
 const zeroPad = (num, places) => String(num).padStart(places, '0');
 
-export function dayOfProgrammer(year) {
+function dayOfProgrammer(year) {
   const dayToSearch = 256;
   let leap;
 
@@ -51,3 +51,4 @@ export function dayOfProgrammer(year) {
 }
 
 export default { dayOfProgrammer };
+export { dayOfProgrammer };

src/hackerrank/implementation/divisibleSumPairs.js

@@ -4,7 +4,7 @@
 
 import { logger as console } from '../../logger.js';
 
-export function divisibleSumPairs(n, k, ar) {
+function divisibleSumPairs(n, k, ar) {
   let pairs = 0;
   for (let i = 0; i < ar.length; i++) {
     for (let j = i + 1; j < ar.length; j++) {
@@ -19,3 +19,4 @@ export function divisibleSumPairs(n, k, ar) {
 }
 
 export default { divisibleSumPairs };
+export { divisibleSumPairs };

src/hackerrank/implementation/gradingStudents.js

@@ -2,7 +2,7 @@
  * @link Problem definition [[docs/hackerrank/implementation/gradingStudents.md]]
  */
 
-export function gradingStudents(grades) {
+function gradingStudents(grades) {
   const minimum = 38;
   const roundTo = 5;
   const result = [];
@@ -23,3 +23,4 @@ export function gradingStudents(grades) {
 }
 
 export default { gradingStudents };
+export { gradingStudents };

src/hackerrank/implementation/jumpingOnClouds.js

@@ -4,7 +4,7 @@
 
 import { logger as console } from '../../logger.js';
 
-export function jumpingOnClouds(c) {
+function jumpingOnClouds(c) {
   let result = 0;
   let key = 0;
 
@@ -26,3 +26,4 @@ export function jumpingOnClouds(c) {
 }
 
 export default { jumpingOnClouds };
+export { jumpingOnClouds };