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Solution.cs
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41 lines (40 loc) · 962 Bytes
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public class Solution
{
public int Search(int[] nums, int target)
{
int n = nums.Length;
int low = 0, high = n - 1, ans = -1;
while (low <= high)
{
int mid = low + (high - low) / 2;
if (nums[mid] == target)
{
ans = mid;
break;
}
else if (nums[mid] >= nums[low])
{
if (nums[low] <= target && target <= nums[mid])
{
high = mid - 1;
}
else
{
low = mid + 1;
}
}
else
{
if (nums[mid] <= target && target <= nums[high])
{
low = mid + 1;
}
else
{
high = mid - 1;
}
}
}
return ans;
}
}