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help in TALCA problem in JULY LUNCHTIME for getting 20 points

In the editorial given to calculate the in_time and out_time for each node by doing dfs from root. ok!! after calculating them how to get answer? plz help me.. i'm stuck there.... plzzzz

asked 28 Jul '14, 22:17

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edited 01 Aug '14, 14:13

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question asked: 28 Jul '14, 22:17

question was seen: 1,257 times

last updated: 01 Aug '14, 14:13