We propose a simple probability model for MAX-2SAT instances for discussing the average-case complexity of the MAX-2SAT problem. Our model is a "planted solution model", where each instance is generated randomly from a target solution. We show that for a large range of parameters, the ...
Telling people to find their new job in advance is completely a bad manners, it is a clear indication that the problem is impossible to be fixed and it causes people to feel hopeless and depressed But unfortuneatly, my problem was already fixed in the absence of myself from t...
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Another pair of complementary problems is the Max-Satisfy problem and the Min-Unsatisfy problem [1], [2]. Both the Max-Satisfy problem and the Min-Unsatisfy problem are NP-hard, but their approximation cases are also different. For a system of m linear equations with n variables over ...
The problem, Dena tells her, is that she insists on saying something in situations where she would be better served to say nothing. Words are powerful, and potentially hurtful, and Maysa loathes the idea that she could be as intolerant or verbally uncontrollable as Trump. This leads to ...
max_Value[N] = max_Value[N-1].with_left_capacity(weight(N)) + Value[N]#要第N个物体,但这也意味着我们在前面必须为它预留好位置,这样会导致在前N-1个物体中我们不能获得和下面一样多的价值或者是 max_Value[N] = max_Value[N-1]#不要第N个物体,也不为它预留空间,这意味着前面我们可以多拿...
State-of-the-art branch-and-bound algorithms for the maximum clique problem (Maxclique) frequently use an upper bound based on a partition P of a graph into independent sets for a maximum clique of the graph, which cannot be very tight for imperfect graphs. In this paper we propose a new...
Travelling salesman problem (TSP) Asks the question "Given a list of cities and the distances between each pair of cities, what is the shortest possible route that visits each city and returns to the origin city?" This classic problem is computer science classrooms to teach algorithm design and...
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