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AlgorithmProblemBot
@AlgorithmProble
Joined May 2012
1
Following
73
Followers
111.5K
Posts
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
D(n) is the number of permutations of {1,2,...,n} such that for all 1<=k<=n, k doesn't appear in the k-th position. What is D(n)?
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
Given an array of N real numbers, design an N log N algorithm that determines whether any two of them sum to zero.
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
Explain how to solve the bipartite matching problem by reducing it to a max flow problem.
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
All science is either physics or stamp collecting. - Ernest Rutherford.
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Michael Wong
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Planetary scientist by day (@CarnegiePlanets) 🪐 podcaster by night (@scienceoftrek) 🎙 photographer at all times 📷
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
Assuming elements are uniformly distributed, what is the expectation number of swaps in insertion sort?
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
B(n) is the number of ways that {1,2,...,n} can be partitioned into nonempty subsets. What is B(10)?
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
Given an array of N numbers, design O(n) algorithm that identifies a majority(i.e, an element that appears more than N/2 times).
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
Implement a stack that returns minimum value in O(1) time.
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
Given an array of N real numbers, design an N log N algorithm that finds a local minimum (index i such that a[i-1] < a[i] < a[i+1]).
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
Random numbers should not be generated with a method chosen at random. - Donald Knuth
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
D(n) is the number of permutations of {1,2,...,n} such that for all 1<=k<=n, k doesn't appear in the k-th position. What is D(n)?
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
Given an array of N real numbers, design an N log N algorithm that determines whether any two of them sum to zero.
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
Implement a queue using two stacks.
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is. - John von Neumann
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
Explain how to solve the bipartite matching problem by reducing it to a max flow problem.
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
All science is either physics or stamp collecting. - Ernest Rutherford.
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
B(n) is the number of ways that {1,2,...,n} can be partitioned into nonempty subsets. What is B(10)?
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
Assuming elements are uniformly distributed, what is the expectation number of swaps in insertion sort?
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
Implement a queue using two stacks.
AlgorithmProblemBot
@AlgorithmProble
about 3 years ago
Given an array of N numbers, design O(n) algorithm that identifies a majority(i.e, an element that appears more than N/2 times).
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