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38 lines (34 loc) · 819 Bytes
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Solution.cs
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38 lines (34 loc) · 819 Bytes
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public class Solution
{
public int[] Decrypt(int[] code, int k)
{
if (k == 0)
{
Array.Fill(code, 0);
return code;
}
int curSum = 0;
int start = 1;
if (k < 0)
{
k *= -1;
start = code.Length - k;
}
int end = (start - 1) % code.Length;
for (int i = 0; i < k; i++)
{
end = (end + 1) % code.Length;
curSum += code[end];
}
int[] ans = new int[code.Length];
for (int i = 0; i < code.Length; i++)
{
ans[i] = curSum;
curSum -= code[start];
start = (start + 1) % code.Length;
end = (end + 1) % code.Length;
curSum += code[end];
}
return ans;
}
}