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An algorithm is a sequence of well-defined steps that defines an abstract solution to a problem. Use this tag when your issue is related to design and analysis of algorithms.

1 vote
1 answer
641 views

Given a network flow find if there's a min cut that only one of the given edges lay on it

Given a network flow $G=(V,E)$ with capacity function $C$ source $s$ and hole $t$, and given 2 edges $e_1 , e_2 $. Find if there exists a min-cut such that only one of the edges belongs to the min-cu …
5 votes
1 answer
277 views

Find if there is matrix that satisfying the following conditions

Given a matrix $A_{n\times n} = \{a_{ij}\}$ such that $a_{ij}$ is a non-negative number and given 2 vectors $(r_1,r_2,...,r_n)$ , $(c_1,c_2,...,c_n)$ such that $r_i,c_i\in \mathbb{Z}$ define an effici …