Their new algorithm, which finds the shortest paths through a graph from a given “source” node to every ... To decide which unexplored node to visit next, use what’s called a greedy strategy: Go to ...

Graphs are collections of nodes connected by edges ... point the algorithm concludes there’s no way to add the edge. “We call this the lazy-greedy [algorithm],” Rotenberg explained. “It only does the ...

including time and space complexity, sorting algorithms, recurrence relations, divide and conquer algorithms, greedy algorithms, dynamic programming, linear programming, graph algorithms, problems in ...