need more problems on DFS and tree
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16 years ago,
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Don't know about IOI tree problems, but can advice some problems from spoj: http://www.spoj.pl/PT07/problems/main/ (on spoj was tree-related contest) and some tree-related problems from acm.sgu.ru:
http://acm.sgu.ru/problem.php?contest=0&problem=195 http://acm.sgu.ru/problem.php?contest=0&problem=280 http://acm.sgu.ru/problem.php?contest=0&problem=134
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Madiyar15 years ago, hide # ^ |
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http://acm.sgu.ru/problem.php?contest=0&problem=280 trade center problem))I have solved this task greedy O(n*k), is there any faster solution ?→ Reply
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