Simple&Natural
Codility lesson2 - cyclic rotation 본문
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사이클 횟수 K가 배열 크기의 배수가 되는 case만 조심하면 된다.
fun solution(A: IntArray, K: Int): IntArray {
val answer = IntArray(A.size)
val fixedK =
A.forEachIndexed { index, value ->
if ((index + K%A.size) < A.size) {
answer[index + K%A.size] = value
} else {
answer[index + K%A.size - A.size] = value
}
}
return answer
}
https://app.codility.com/demo/results/training8CAMW9-568/
Test results - Codility
An array A consisting of N integers is given. Rotation of the array means that each element is shifted right by one index, and the last element of the array is moved to the first place. For example, the rotation of array A = [3, 8, 9, 7, 6] is [6, 3, 8, 9,
app.codility.com
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