今天畢業五年了,一直忙於工作和享受,自從當年找完工作後就一直沒有再刷過題,作爲搬磚的碼農,覺得還是應該養成長期刷題的習慣堅持下去。之前堅持了每天被一會單詞,如今雅思一本也快看完了,從今天開始準備在保證每週一題的最低基礎上堅持下去,不爲別的,主要是想多動腦,刷個幾十年堅持下去,應該可以預防老年癡呆。。。
題目:
滑動窗口的解法:注意蛋疼的int[][]返回值類型,十分蛋疼
public class Solution
{
public int[][] FindContinuousSequence(int target)
{
List<int[]> res = new List<int[]>();
int leftIndex = 1;
int rightIndex = 2;
int loopNum = target/2 + 1;
target *= 2;
while(rightIndex <= loopNum)
{
int sum = (leftIndex + rightIndex) * (rightIndex - leftIndex + 1);
if(sum < target)
{
rightIndex++;
}
else if(sum > target)
{
leftIndex++;
}
else
{
List<int> seq = new List<int>();
for(int i = 0; i < rightIndex - leftIndex + 1; i++)
{
seq.Add(leftIndex + i);
}
res.Add(seq.ToArray());
leftIndex++;
rightIndex = leftIndex + 1;
}
}
return res.ToArray();
}
}