Problem 2732. Construct a precedence graph from a code segment

Solution 552907

Submitted on 6 Jan 2015 by Alfonso Nieto-Castanon

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Test	Status	Code Input and Output
1	Pass	%% C = {'a=1;' 'b=1;' 'c=a+b;' 'c=c+1;'}; mat = [0 0 1 1; 0 0 1 1; 0 0 0 1; 0 0 0 0]; assert(isequal(pGraph(C),mat))
2	Pass	%% C = {'a=1;' 'a=1;' 'c=1;' 'c=1;'}; mat = [0 0 0 0; 0 0 0 0; 0 0 0 0; 0 0 0 0]; assert(isequal(pGraph(C),mat))
3	Pass	%% C = {'a=1;' 'a=1;' 'c=a+1;' 'c=a+1;'}; mat = [0 0 0 0; 0 0 1 1; 0 0 0 0; 0 0 0 0]; assert(isequal(pGraph(C),mat))
4	Pass	%% C = {'a=1;' 'b=a+2;' 'c=b+1;' 'd=c+1;'}; mat = double(~tril(ones(4))) assert(isequal(pGraph(C),mat)) mat = 0 1 1 1 0 0 1 1 0 0 0 1 0 0 0 0