int main() { Ball def; def.print(); Ball blue("blue"); blue.print(); Ball twenty(20.0); twenty.print(); Ball blueTwenty("blue", 20.0); blueTwenty.print(); return 0; }
void RunTests() { TreeNode root(3); TreeNode nine(9); TreeNode twenty(20); TreeNode fifteen(15); TreeNode seven(7); root.left = &nine; root.right = &twenty; twenty.left = &fifteen; twenty.right = &seven; Solution s; vector<vector<int>> output = s.levelOrder(&root); Solution s2; vector<vector<int>> output2 = s2.levelOrder(nullptr); }