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Pull requests: keep-practicing/leetcode-go
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121. Best Time to Buy and Sell Stock
array
An array is stored such that the position of each element can be computed from its index
dynamic programming
optimal substructure and overlapping sub-problem are two key attributes for dynamic programming.
Easy
Coefficient of difficulty easy
#21
by zwfang
was merged Dec 28, 2018
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updated Dec 28, 2018
53. Maximum Subarray
array
An array is stored such that the position of each element can be computed from its index
dynamic programming
optimal substructure and overlapping sub-problem are two key attributes for dynamic programming.
Easy
Coefficient of difficulty easy
#36
by zwfang
was merged Jan 2, 2019
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updated Jan 2, 2019
304. Range Sum Query 2D - Immutable
dynamic programming
optimal substructure and overlapping sub-problem are two key attributes for dynamic programming.
Medium
Coefficient of difficulty medium
#77
by zwfang
was merged Feb 27, 2019
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updated Feb 27, 2019
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