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Time Complexity: The time complexity of Dijkstra’s algorithm is O (V^2). Step 2: Double click and open the exe MinGW file and click install. It has imperative, object-oriented and generic programming features. The JavaScript text editor also supports taking input from the user and standard libraries. INT_MIN in C/C++. Backtracking is an algorithmic technique for solving problems recursively by trying to build a solution incrementally, one piece at a time, removing those solutions that fail to satisfy the constraints of the problem at any point of time (by time, here, is referred to the time elapsed till reaching any level of the search tree). Using “ fflush (stdin) ”: Typing “fflush (stdin)” after taking the input stream by “cin” statement also clears the input buffer by prompting the ‘ ’ to the nextline literal but generally it is avoided as it is only defined for the C++ versions below 11 standards. Introduction to Syntax Analysis in Compiler Design. 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