abel-masila

function countRectangles(board) {
  let count = 0;
  let N = board.length;
  let M = board[0].length;
  
  for (let r = 0; r < N; r++) {
    for (let c = 0; c < M; c++) {
      for (let i = r; i < N; i++) {
        for (let j = c; j < M; j++) {
          let aCount = 0;

abel-masila

function combineCustomNights(customNights) {
  const result = [];
  let currentRange = null;

  customNights.sort((a, b) => new Date(a.date) - new Date(b.date));

  customNights.forEach((night) => {
    if (!currentRange) {
      currentRange = { start: night.date, end: night.date, rooms: { ...night } };
      delete currentRange.rooms.date;

abel-masila

function belongsToTriangle(x1, y1, x2, y2, x3, y3, xp, yp, xq, yq) {
  // Calculate the length of the sides of the triangle
  const lab = Math.sqrt((x2 - x1) ** 2 + (y2 - y1) ** 2);
  const lac = Math.sqrt((x3 - x1) ** 2 + (y3 - y1) ** 2);
  const lbc = Math.sqrt((x3 - x2) ** 2 + (y3 - y2) ** 2);

  // Check if the triangle is non-degenerate
  if (lab + lac <= lbc || lab + lbc <= lac || lac + lbc <= lab) {
    return "o";
  }

abel-masila

function palindromeChecker(s, startindex, endindex, subs) {
let result = '';
for (let i = 0; i < startindex.length; i++) {
let sub = s.substring(startindex[i], endindex[i] + 1);
let count = new Array(26).fill(0);
for (let j = 0; j < sub.length; j++) {
count[sub.charCodeAt(j) - 97]++;
}
let oddCount = 0;
for (let j = 0; j < 26; j++) {

abel-masila

function makePalindrome(s, startindex, endindex, subs) {
  let result = "";
  for (let i = 0; i < startindex.length; i++) {
    let substring = s.substring(startindex[i], endindex[i] + 1);
    let count = 0;
    let charMap = new Map();
    for (let j = 0; j < substring.length; j++) {
      charMap.set(substring.charAt(j), charMap.get(substring.charAt(j)) + 1 || 1);
    }
    for (let [char, freq] of charMap) {

abel-masila

// Value types can be three, value1, value2, value3

const items=[
  {
    "date": "2023-02-01",
    "value1": 1,
    "value2": 1
  },
  {
    "date": "2023-02-03",

abel-masila

/* eslint-disable no-unused-expressions */
import React, { useState, useEffect } from "react";

import {
  AppBar,
  Button,
  Card,
  Dialog,
  DialogActions,
  DialogContent,

abel-masila

const handleDBReponse = (response) => {
  const appointments = response;
  const today = moment().startOf("day"); //start of today 12 am
  const initialSchedule = {};
  initialSchedule[today.format("YYYY-DD-MM")] = true;
  const schedule = !appointments.length
    ? initialSchedule
    : appointments.reduce((currentSchedule, appointment) => {
        const { slot_date, slot_time } = appointment;
        const dateString = moment(slot_date, "YYYY-DD-MM").format("YYYY-DD-MM");

abel-masila

import React, { useState } from "react";
import axios from "axios";
function AddPosts() {
  const [formData, setformData] = useState({
    post: "",
    title: "",
  });
  const handleChange = (event) => {
    setformData({ ...formData, [event.target.name]: event.target.value });
  };

abel-masila

import React, { useState, useEffect } from "react";
import axios from "axios";
function ViewPost(props) {
  const [post, setPost] = useState({});
  const id = props.match.params.id;
  //OR const { id } = props.match.params;
  useEffect(() => {
    axios
      .get(`https://jsonplaceholder.typicode.com/posts/${id}`)
      .then((response) => {