Problem 475. Is this group simply connected?

Solution 840078

Submitted on 29 Feb 2016 by Jan Orwat

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Test	Status	Code Input and Output
1	Pass	node_pairs = [8 9; 8 3]; tf = true; assert(isequal(isConnected(node_pairs),tf))
2	Pass	node_pairs = [ 1 2; 2 3; 1 4; 3 4; 5 6 ]; tf = false; assert(isequal(isConnected(node_pairs),tf))
3	Pass	node_pairs = [ 1 2; 2 3; 1 4; 3 4; 5 6; 6 2 ]; tf = true; assert(isequal(isConnected(node_pairs),tf))
4	Pass	node_pairs = [ 1 2; 2 100]; tf = true; assert(isequal(isConnected(node_pairs),tf))
5	Pass	node_pairs = [ 1 2; 50 100]; tf = false; assert(isequal(isConnected(node_pairs),tf))
6	Pass	node_pairs = [ 4 17 ]; tf = true; assert(isequal(isConnected(node_pairs),tf))