1. (1)Use dynamic programming technique to solve the all-pairs shortest paths problem in a directed graph. ( So called Floyd-Warshall algorithm ) (Define the object function; state the recursive formula, initial condition, and answer. Give the time complexity and space complexity without explanation.) (2)Suppose that some of the edge weights are negative, what can you say about the algorithm given in part (1)? Do you still get the all-pairs shortest simple path correct? How do you detect the existence of a negative weight directed cycle? How do you find one such cycle?

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Q: What precisely does it imply when someone talks about "user-defined data types"?

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Q: C++ program to print the size of different types of pointers along with values and addresses

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Fundamentals of Input and Output Performance

The I/O subsystem is a component of computer system design that uses buses to assist communication between the Central Processing Unit, Computer Memory/Storage, and Input and Output Devices (that is known as peripheral devices). The I/O subsystem includes disc controllers, tape drives, discs, system buses, and other devices. The I/O database application reads and writes drives using the operating system windows I/O.