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Algorithm/์ธํ”„๋Ÿฐ(inflearn)

[ ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ(JavaScript) ] 07 - 10๋ถ€์ œ

by YWTechIT 2021. 8. 11.
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๐Ÿ“ 07 - 10๋ถ€์ œ

๋ฐฐ์—ด์˜ ์ผ์˜ ์ž๋ฆฌ ์ˆซ์ž๊ฐ€ day์™€ ๊ฐ™์€ ๊ฐ’์ด ์ด ๋ช‡๊ฐœ์ธ์ง€ ์„ธ๋Š” ๋ฌธ์ œ์ธ๋ฐ, filter๋ฅผ ์ด์šฉํ•˜๋ฉด ๊ธˆ๋ฐฉ ์ฐพ์„ ์ˆ˜ ์žˆ๋‹ค. ์—ฌ๊ธฐ์„œ ์•Œ์•„๋‘๋ฉด ์ข‹์€ ์ ์€ ์–ด๋–ค ๊ฐ’์„ 10์œผ๋กœ ๋‚˜๋ˆˆ ๋‚˜๋จธ์ง€๋Š” ์ผ์˜์ž๋ฆฌ ์ˆ˜๊ฐ€ ๋‚˜์˜จ๋‹ค๋Š” ์ ์ด๋‹ค.

let day = 3;
let cars = [12, 20, 54, 30, 87, 91, 30];

console.log(solution(day, cars));

function solution(day, cars){
    let violateCar = cars.filter((car) => car % 10 === day);
    return violateCar.length;
};
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