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추석 트래픽 본문
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https://programmers.co.kr/learn/courses/30/lessons/17676
코딩테스트 연습 - [1차] 추석 트래픽
입력: [ "2016-09-15 20:59:57.421 0.351s", "2016-09-15 20:59:58.233 1.181s", "2016-09-15 20:59:58.299 0.8s", "2016-09-15 20:59:58.688 1.041s", "2016-09-15 20:59:59.591 1.412s", "2016-09-15 21:00:00.464 1.466s", "2016-09-15 21:00:00.741 1.581s", "2016-09-1
programmers.co.kr
function solution(lines) {
const logs = lines.map((e) => e.slice(11).split(" ")).map((e) => [toTimeNumber(e[0]), Number(e[1].replace("s",""))]);
const times = logs.map((e) => [e[0] - (e[1] * 1000) + 1, e[0]]).sort((a, b) => a[0] - b[0]);
let answer = 0;
let window = [];
times.forEach(([start, end]) => {
window.push(end);
window = window.filter((e) => e > start - 1000);
answer = Math.max(window.length, answer);
});
return answer;
}
const toTimeNumber = (time) => {
const hour = (time[0]*10 + time[1]*1) * 60 * 60;
const minute = (time[3]*10 + time[4]*1) * 60;
const seconds = time[6]*10 + time[7]*1;
const millis = time[9]*100 + time[10]*10 + time[11]*1;
const amount = (hour + minute + seconds) * 1000 + millis;
return amount;
}728x90
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