From 25c3798c3d27de42fa7019951f86756f9b65b238 Mon Sep 17 00:00:00 2001 From: Jack Sangdahl Date: Tue, 1 Apr 2025 21:04:34 -0600 Subject: 2873. maximum value of an ordered triplet 1 --- max_value_ordered_triplet1.py | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 max_value_ordered_triplet1.py (limited to 'max_value_ordered_triplet1.py') diff --git a/max_value_ordered_triplet1.py b/max_value_ordered_triplet1.py new file mode 100644 index 0000000..e91c340 --- /dev/null +++ b/max_value_ordered_triplet1.py @@ -0,0 +1,32 @@ +# 2873. Maximum Value of an Ordered Triplet I + +""" +you are given a 0-indexed integer array 'nums'. return the maximum value over +all triplets of indices '(i, j, k)' such that 'i < j < k'. if all such +triplets have a negative value, return 0. the value of a triplet of indices +'(i, j, k)' is equal to '(nums[i] - nums[j]) nums[k]' +""" + + +class Solution(object): + def maximumTripletValue(self, nums): + """ + :type nums: List[int] + :rtype: int + """ + n = len(nums) + if n < 3: + return 0 + ans, curr, diff = 0, nums[0], 0 + for i in range(1, n): + ans = max(ans, diff * nums[i]) + diff = max(diff, curr - nums[i]) + curr = max(curr, nums[i]) + return ans + + +if __name__ == "__main__": + obj = Solution() + print(obj.maximumTripletValue(nums=[12, 6, 1, 2, 7])) + print(obj.maximumTripletValue(nums=[1, 10, 3, 4, 19])) + print(obj.maximumTripletValue(nums=[1, 2, 3])) -- cgit v1.2.3