meeting room 2 javascript solution
/**
* @param {number[][]} intervals
* @return {number}
*/
const minMeetingRooms = (intervals) => {
let startList = [];
let endList = [];
let endPos = 0;
let rooms = 0;
for (let i = 0; i < intervals.length; i++) {
startList.push(intervals[i][0]);
endList.push(intervals[i][1]);
}
startList.sort((a, b) => a - b);
endList.sort((a, b) => a - b);
for (let i = 0; i < intervals.length; i++) {
if (startList[i] < endList[endPos]) {
rooms++;
} else {
endPos++;
}
}
return rooms;
};
// console.log(minMeetingRooms([[7, 10],[2, 4]]));
// 1