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Update 콜라츠 추측.js

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`‎level-1/콜라츠-추측.js`

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Original file line number	Diff line number	Diff line change
`@@ -31,4 +31,17 @@ function solution(num) {`
`31`	`31`	`}`
`32`	`32`	`// 작업을 반복한 횟수 반환`
`33`	`33`	`return cnt;`
	`34`	`+}`
	`35`	`+`
	`36`	`+//정답 3 - jaewon1676`
	`37`	`+function solution(num) {`
	`38`	`+ var answer = 0;`
	`39`	`+ // num이 1이 아니고, answer이 500이 아니면 진행.`
	`40`	`+ // 두 가지 조건중 하나라도 맞지 않으면 while문 종료.`
	`41`	`+ while(num != 1 && answer != 500){`
	`42`	`+ //짝수면, 2로 나눠주고 홀수면 3을 곱하고 1을 더해준다.`
	`43`	`+ (num % 2 == 0 ? num = num / 2 : num = num * 3 + 1)`
	`44`	`+ answer++;`
	`45`	`+ }`
	`46`	`+ return num == 1 ? answer : -1`
`34`	`47`	`}`

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