u01: Fix typo in comment
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@ -77,7 +77,7 @@ std::string node::print_iterative() const {
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if (n != this)
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if (n != this)
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output << std::endl;
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output << std::endl;
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output << std::string(depth, '\t') << n->get_name();
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output << std::string(depth, '\t') << n->get_name();
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// Complex iteration (not default vector iteration is necessary,
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// Complex iteration (not default vector iteration) is necessary,
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// to achieve the same output as the recursive approach.
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// to achieve the same output as the recursive approach.
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// Otherwise, the order of the children is reversed (due to LIFO).
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// Otherwise, the order of the children is reversed (due to LIFO).
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for (std::size_t i = n->get_nr_children(); i > 0; i--) {
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for (std::size_t i = n->get_nr_children(); i > 0; i--) {
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