red_dust's blog

getting wa in this problem, need help
By red_dust, history, 7 years ago, In English

problem link

my solution

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7 years ago, # |
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It requires to log in. Please explain in details problem statements.

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    7 years ago, # ^ |
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    it's a 2-sat problem given the inputs like this

    3

    4[or operation] 3[number of variable]

    +1 +3

    +2 -1

    +2 -3

    -1 -2

    we have to find if it is satisfiable or not if satisfiable we have to find the possible values of the variables for which it is satisfiable

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