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Feat: adds Pablo Limon-Paredes Lesson11 Leetcode problem solutions in Java and Typescript #377

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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
package com.codedifferently.lesson11;

import java.util.ArrayList;
import java.util.List;

public class Lesson11 {
Expand All @@ -9,14 +10,29 @@ public class Lesson11 {
* https://leetcode.com/problems/concatenation-of-array
*/
public int[] getConcatenation(int[] nums) {
return null;
int n = nums.length;
int ans[] = new int[2 * n];
for (int i = 0; i < nums.length; i++) {
ans[i] = nums[i];
ans[i + n] = nums[i];
}
return ans;
}

// Had help to understand better solutions from Joseph, Kimberlee, Nile, and Angelica, we were on
// Jitsi//

/**
* Provide the solution to LeetCode 2942 here:
* https://leetcode.com/problems/find-words-containing-character/
*/
public List<Integer> findWordsContaining(String[] words, char x) {
return null;
List<Integer> indices = new ArrayList<>();
for (int i = 0; i < words.length; i++) {
if (words[i].contains(String.valueOf(x))) {
indices.add(i);
}
}
return indices;
}
}
16 changes: 14 additions & 2 deletions lesson_11/arrays_ts/src/lesson11.ts
Original file line number Diff line number Diff line change
Expand Up @@ -3,13 +3,25 @@
* https://leetcode.com/problems/concatenation-of-array
*/
export function getConcatenation(nums: number[]): number[] {
return [];
const n = nums.length;
const ans = new Array(2 * n);
for (let i = 0; i < n; i++) {
ans[i] = nums[i];
ans[i + n] = nums[i];
}
return ans;
}

/**
* Provide the solution to LeetCode 2942 here:
* https://leetcode.com/problems/find-words-containing-character/
*/
export function findWordsContaining(words: string[], x: string): number[] {
return [];
const indices: number[] = [];
for (let i = 0; i < words.length; i++) {
if (words[i].includes(x)) {
indices.push(i);
}
}
return indices;
}