프로그래머스 lev1 - 로또의 최고 순위와 최저 순위
비교 대상을 변수로 설정해놓으면 비교하기가 편하다.
const rank = [6,5,4,3,2,1,0];
function solution(lottos, win_nums) {
let answer=[];
let min=max=0;
for (let i=0; i<lottos.length; i++) {
if (win_nums.includes(lottos[i])) min++;
if (lottos[i]===0) max++;
}
max += min;
const rank = [6, 5, 4, 3, 2, 1, 0];
if (rank.indexOf(min) >= 5) answer[1] = 6;
else answer[1] = rank.indexOf(min)+1;
if (rank.indexOf(max) >= 5) answer[0] = 6;
else answer[0] = rank.indexOf(max)+1;
return answer;
}
console.log(solution([44, 1, 0, 0, 31, 25], [31, 10, 45, 1, 6, 19]));
function solution(lottos, win_nums) {
const answer = [];
const min = lottos.filter(n => win_nums.includes(n)).length;
const max = lottos.filter(n => n === 0).length + min;
max > 1 ? answer.push(7 - max) : answer.push(6);
min > 1 ? answer.push(7 - min) : answer.push(6);
return answer;
}