Cody

Problem 475. Is this group simply connected?

Solution 455241

Submitted on 15 Jun 2014
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Test Suite

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))

ans = 0

3   Fail
%% node_pairs = [ 1 2; 2 3; 1 4; 3 4; 5 6; 6 2 ]; tf = true; assert(isequal(isConnected(node_pairs),tf))

Error: Assertion failed.

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))

ans = 0

6   Fail
%% node_pairs = [ 4 17 ]; tf = true; assert(isequal(isConnected(node_pairs),tf))

Error: Output argument "ans" (and maybe others) not assigned during call to "/users/msssystem9/isConnected.m>isConnected".