Commit 6424227

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programmiri

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Refactored solution Collatz Conjecture

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Lines changed: 3 additions & 20 deletions

Original file line number	Diff line number	Diff line change
`@@ -1,28 +1,11 @@`
`1`		`-function divideByTwo(num) {`
`2`		`- return num / 2;`
`3`		`-}`
`4`		`-`
`5`		`-function multiplyByThreeAddOne(num) {`
`6`		`- return num * 3 + 1;`
`7`		`-}`
`8`		`-`
`9`	`1`	`function steps(number) {`
`10`	`2`	`if (number <= 0) {`
`11`	`3`	`throw new Error('Only positive numbers are allowed');`
`12`	`4`	`}`
`13`	`5`
`14`		`- let currNumber = number;`
`15`		`- let count = 0;`
`16`		`- while (currNumber !== 1) {`
`17`		`- if (currNumber % 2 === 0) {`
`18`		`- currNumber = divideByTwo(currNumber);`
`19`		`- } else {`
`20`		`- currNumber = multiplyByThreeAddOne(currNumber);`
`21`		`- }`
`22`		`-`
`23`		`- count++;`
`24`		`- }`
`25`		`- return count;`
	`6`	`+ if (number === 1) return 0;`
	`7`	`+ if (number % 2 === 0) return 1 + steps(number / 2);`
	`8`	`+ return 1 + steps(number * 3 + 1);`
`26`	`9`	`}`
`27`	`10`
`28`	`11`	`export { steps };`

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