Commit 9b1a293

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Lines changed: 40 additions & 0 deletions

Original file line number	Diff line number	Diff line change
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	`1`	`+struct Solution ();`
	`2`	`+`
	`3`	`+impl Solution {`
	`4`	`+`
	`5`	`+ pub fn rotate1(nums: &mut Vec<i32>, k: i32) {`
	`6`	`+ let n = nums.len();`
	`7`	`+ let mut result = nums.iter().cloned().collect::<Vec<_>>();`
	`8`	`+`
	`9`	`+ for (i, v) in result.iter().enumerate() {`
	`10`	`+ if i < n-k as usize {`
	`11`	`+ nums[k as usize + i] = *v`
	`12`	`+ } else {`
	`13`	`+ nums[i - (n -k as usize)] = *v`
	`14`	`+ }`
	`15`	`+`
	`16`	`+ }`
	`17`	`+`
	`18`	`+ }`
	`19`	`+`
	`20`	`+ pub fn rotate(nums: &mut Vec<i32>, k: i32) {`
	`21`	`+ nums.reverse();`
	`22`	`+ nums[0..k as usize].reverse();`
	`23`	`+ nums[k as usize..].reverse();`
	`24`	`+ }`
	`25`	`+`
	`26`	`+}`
	`27`	`+`
	`28`	`+`
	`29`	`+`
	`30`	`+`
	`31`	`+#[cfg(test)]`
	`32`	`+mod tests {`
	`33`	`+ use super::*;`
	`34`	`+`
	`35`	`+ #[test] fn common_test() {`
	`36`	`+ let mut nums = vec![1,3,5,6, 7];`
	`37`	`+ Solution::rotate(&mut nums, 2);`
	`38`	`+ assert_eq!(nums, vec![6, 7, 1,3,5]);`
	`39`	`+ }`
	`40`	`+}`

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