TongTong Shi's Blog
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Combination Sum IV Combination Sum IV
LeetCode Q 377 - Combination Sum IVGiven an integer array with all positive numbers and no duplicates, find the number o
2019-04-24 Tong Shi
LeetCode HashTable DP Memorization Recurtion
Wiggle Subsequence Wiggle Subsequence
LeetCode Q 376 - Wiggle SubsequenceA sequence of numbers is called a wiggle sequence if the differences between successi
2019-04-24 Tong Shi
LeetCode DP
Partition Equal Subset Sum Partition Equal Subset Sum
LeetCode Q 416 - Partition Equal Subset SumGiven a non-empty array containing only positive integers, find if the array
2019-04-24 Tong Shi
LeetCode DP
Target Sum Target Sum
LeetCode Q 494 - Target SumYou are given a list of non-negative integers, a1, a2, …, an, and a target, S. Now you have 2
2019-04-24 Tong Shi
LeetCode DP backtracking
Palindromic Substrings Palindromic Substrings
LeetCode Q 647 - Palindromic SubstringsGiven a string, your task is to count how many palindromic substrings in this str
2019-04-24 Tong Shi
LeetCode DP
Best Time to Buy and Sell Stock with Transaction Fee Best Time to Buy and Sell Stock with Transaction Fee
LeetCode Q 714 - Best Time to Buy and Sell Stock with Transaction FeeYour are given an array of integers prices, for whi
2019-04-24 Tong Shi
LeetCode DP
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