A split of an integer array is good if:
\r\n\r\nleft, mid, right respectively from left to right.left is less than or equal to the sum of the elements in mid, and the sum of the elements in mid is less than or equal to the sum of the elements in right.Given nums, an array of non-negative integers, return the number of good ways to split nums. As the number may be too large, return it modulo 109 + 7.
\r\n
Example 1:
\r\n\r\n\r\nInput: nums = [1,1,1]\r\nOutput: 1\r\nExplanation: The only good way to split nums is [1] [1] [1].\r\n\r\n
Example 2:
\r\n\r\n\r\nInput: nums = [1,2,2,2,5,0]\r\nOutput: 3\r\nExplanation: There are three good ways of splitting nums:\r\n[1] [2] [2,2,5,0]\r\n[1] [2,2] [2,5,0]\r\n[1,2] [2,2] [5,0]\r\n\r\n\r\n
Example 3:
\r\n\r\n\r\nInput: nums = [3,2,1]\r\nOutput: 0\r\nExplanation: There is no good way to split nums.\r\n\r\n
\r\n
Constraints:
\r\n\r\n3 <= nums.length <= 1050 <= nums[i] <= 104Compiled with clang 11 using the latest C++ 17 standard.
Your code is compiled with level two optimization (-O2). AddressSanitizer is also enabled to help detect out-of-bounds and use-after-free bugs.
Most standard library headers are already included automatically for your convenience.
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Some common data structure implementations are provided in the Algorithms module: https://www.rubydoc.info/github/kanwei/algorithms/Algorithms
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