๋ชฉ๋ก์๊ณ ๋ฆฌ์ฆ (3)
๐ฑ dreaming DiNO

class Solution { fun solution(n: Int): Int { var answer: Int = 0 var mok = 0 if (n%2 == 0) { mok = n/2 } else { mok = (n-1)/2 } for (i in 1 .. mok) { answer += 2 * i } return answer } } 1) ๋๋จธ์ง ์ฐ์ฐ์ % ๋ฅผ ์ด์ฉํด์ ํ์, ์ง์ ๋ถ๊ธฐ ํ์๊ณ 2) for๋ฌธ ์ด์ฉํ์ฌ ๋ชซ๊น์ง ๋ํด์ฃผ๋๋ก ํ์๋ค
์ ์ num1, num2๊ฐ ๋งค๊ฐ๋ณ์๋ก ์ฃผ์ด์ง ๋, num1์ num2๋ก ๋๋ ๊ฐ์ 1,000์ ๊ณฑํ ํ ์ ์ ๋ถ๋ถ์ return ํ๋๋ก solution ํจ์๋ฅผ ์์ฑํด์ฃผ์ธ์. โ ์ ์ถ๋ ฅ ์ num1 num2 result 3 2 1500 7 3 2333 1 16 62 class Solution { fun solution(num1: Int, num2: Int): Int { var answer: Int = 0 // double ํ๋ณํ var newNum1 = num1.toDouble() var newNum2 = num2.toDouble() var after = newNum1 / newNum2 * 1000 /* var after = num1.toDouble() / num2.toDouble() * 1000 */ a..

๊ธฐ์ธ๊ธฐ = (y์ถ ์ฆ๊ฐ๋) / (x์ถ ์ฆ๊ฐ๋) class Solution { fun solution(dots: Array): Int { var answer: Int = 0 var x1 = dots[0][0] var x2 = dots[1][0] var x3 = dots[2][0] var x4 = dots[3][0] var y1 = dots[0][1] var y2 = dots[1][1] var y3 = dots[2][1] var y4 = dots[3][1] var hor1 = (y2-y1) / (x2-x1) var hor2 = (y1-y4) / (x3-x4) var ver1 = (y1-y2) / (x3-x2) var ver2 = (y4-y1) / (x4-x1) if ( (hor1 == hor2) || (ve..