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15h
wiki created soft-question description
15h
wiki created soft-question excerpt
18h
reviewed Approve Solving $T(n)= 3T(n/4)+ n\log n$ without the master method
20h
reviewed Reject Minimizing the walking distance between walkways
1d
reviewed Approve Speed up minimizing quadratic function by FFT
2d
reviewed Approve Why is determining if there is a solution to a Battleship puzzle NP-Complete?
May
1
revised Satisfiability 2 CNF-SAT to 3 CNF-SAT transformation/reduction
explaining in more detail
May
1
reviewed Reject Halting problem reducing to the blank tape halting problem
Apr
28
accepted What is the language generated by a given grammar
Apr
28
revised Huffman encoding: why is there no need for a separator?
bypass wikipedia's media viewer which does not work at all w/o javascript
Apr
28
reviewed Approve What is the language generated by a given grammar
Apr
28
reviewed Approve What is the language generated by a given grammar
Apr
28
reviewed Approve Lookahead in LL(k) parsing
Apr
28
reviewed Approve Huffman encoding: why is there no need for a separator?
Apr
28
reviewed Approve Is the given language finite or infinite?
Apr
27
reviewed Approve Recursive definition of Matrix
Apr
27
accepted similar language by two DFA then why wrong answer
Apr
24
reviewed Approve clarification about first for cfg
Apr
24
accepted removing ε production
Apr
24
reviewed Approve Are these languages are regular?