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We apply DFS on the graph and keep track of two properties for each node in DFS tree produced :1. Its time(or order) of first being discovered in DFS.(say p1)2. The order of oldest ancestor it can reach.(say p2)Initially both are same for every node.
 circuit directed graph graph theory algorithm Robert Tarjan
Tarjan's Algorithm is an algorithm in graph theory for finding the strongly connected components of a graph. Although proposed earlier, it can be seen as an improved version of Kosaraju's algorithm, and is comparable in efficiency to the path-based strong component algorithm.
 circuit directed graph graph theory algorithm Robert Tarjan
Look ahead towards the middle of the century and much-loved animals such as lemurs, rhinos and tigers will only survive in some form of captivity. And extinction will be even more of a threat than it is now.
http://www.thru-you-too.com/cant post all the links to the originals in the description because its too long :\ive posted it as a comment .. check them out! there are some deep thoughts in there :)THANK YOU ALL !!!
http://www.facebook.com/2CellosFrom our new album Celloverse - out now!iTunes: http://smarturl.it/celloverseAmazon: http://smarturl.it/celloverse-amz2CELLOS Luka Sulic and Stjepan Hauser playing their arrangement of Thunderstruck by AC/DC BaRock style! http://www.facebook.com/stjepanhauser...http://w
Sometimes it is hard to comprehend the size of things in astronomy. Just our Solar System, the little corner of the Milky Way in which we live, is vast.
Sometimes it is hard to comprehend the size of things in astronomy. Just our Solar System, the little corner of the Milky Way in which we live, is vast.
Social-media users have gone into overdrive in an attempt to shame the man who has admitted to killing Cecil the lion. There was a global outcry when Walter Palmer, a dentist from Minnesota, admitted to killing Zimbabwe's most famous lion on a hunting trip...
The latest images from the New Horizons spacecraft have revealed another range of ice mountains on Pluto. The frozen peaks were found on the lower-left edge of the dwarf world's "heart" and are 1-1.5km-high...
The latest images from the New Horizons spacecraft have revealed another range of ice mountains on Pluto. The frozen peaks were found on the lower-left edge of the dwarf world's "heart" and are 1-1.5km-high...
Pluto would appear to have glaciers of nitrogen ice, the latest pictures from the New Horizons probe suggest. Scientists believe they see evidence of surface material having flowed around mountains and even ponding in craters.
Archaeologists believe they may have found the remains of a house where people who built Avebury stone circle may have lived. The three-week Between the Monuments project is researching the daily lives of Neolithic and Bronze Age residents at the Wiltshire site.
Scientists in Israel have discovered how ants co-operate to move big chunks of food back to their nests. They appear to have a mathematically perfect balance between individuality and conformism, the researchers said.
A woman was awarded £164,000 after she was excluded from her mother's will. What drives a parent to disinherit a child? Of all the ways to express disapproval of your offspring, leaving them out of your will is one of the bluntest...
Students at the Open University are going to have their progress monitored by a set of algorithms to spot if they need any extra support. The scheme, developed by the OU, has been designed to observe students' paths through courses and engagement with online learning modules...
One of the last five Northern White Rhino left in the world has died. Nabire, a 31-year-old female, died at the Dvur Kralove zoo in the Czech Republic on Monday evening of a ruptured cyst.
Like other serious crypto-anarchist visionaries, the 21-year-old Russian Canadian entrepreneur Vitalik Buterin sees the blockchain—the public ledger underlying bitcoin—as a way to liberate us all from inefficiency, cut out the middleman, and make big government and business

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