Is it good to use unordered map for every dp problem as it could be more memory efficient in comparison to vector in c++
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Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round)
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Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round)
22:44:49
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How is a hashtable more memory efficient than a vector