Commit f5d7715

author

Rohit Dandnayak

committed

array-rotation & nge

1 parent f245d5f commit f5d7715Copy full SHA for f5d7715

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+28

-1

lines changed

+28

-1

lines changed

Lines changed: 25 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -8,11 +8,35 @@ function rotateArray(arr) {`
`8`	`8`	`return arr;`
`9`	`9`	`}`
`10`	`10`
	`11`	`+function gcd(a, b) {`
	`12`	`+ if (a <= 0) return b;`
	`13`	`+ let x = b - a;`
	`14`	`+ return gcd(x, a);`
	`15`	`+}`
	`16`	`+`
	`17`	`+function rotateJuggling(arr, d) {`
	`18`	`+ let len = arr.length;`
	`19`	`+ for (let i = 0; i < gcd(d, len); i++) {`
	`20`	`+ let temp = arr[i];`
	`21`	`+ let j = i;`
	`22`	`+ while (1) {`
	`23`	`+ let k = j + d;`
	`24`	`+ if (k >= len) k = k - len;`
	`25`	`+ if (k === i) break;`
	`26`	`+ arr[j] = arr[k];`
	`27`	`+ j = k;`
	`28`	`+ }`
	`29`	`+ arr[j] = temp;`
	`30`	`+ }`
	`31`	`+ return arr;`
	`32`	`+}`
	`33`	`+`
`11`	`34`	`function rotateArrayBy(arr, d) {`
`12`	`35`	`for (let i = 0; i < d; i++) {`
`13`	`36`	`rotateArray(arr);`
`14`	`37`	`}`
`15`	`38`	`return arr;`
`16`	`39`	`}`
`17`	`40`
`18`		`-console.log(rotLeft([1, 2, 3, 4, 5], 3));`
	`41`	`+console.log(rotateArrayBy([1, 2, 3, 4, 5], 3));`
	`42`	`+console.log(rotateJuggling([1, 2, 3, 4, 5], 3));`

Lines changed: 3 additions & 0 deletions

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