what is algorithm and Efficiency of the algorithm
what is algorithm and Efficiency of the algorithm:-
Algorithm:-
An algorithm is well defined list of steps to solve the particular problem. It takes set of input and gives the desired output.
Properties of an algorithm:-
1) Finiteness:- An algorithm must always terminate after a finite number of steps.
2) Definiteness:- Each step of an algorithm must be precisely define and must be unambiguous.
3) Input:- An algorithm has 0 or more input.
4) Output:- An algorithm has 1 or more output.
5) Effectiveness : – It means that all of the operation of an algorithm must be so basic that it can be executed in a finite length of time , In an effective manner.
Efficiency of an Algorithm:-
Time and space are two major measures of the efficiency of an algorithm.
Example:- let’s say there are two algorithms A and B . and it takes 10 second and 15 second respectively for completion and 40 MB and 13 Mb space respectively. Then in this case algorithm A is more efficient then B because it take less time for completion . We always give the priority to the time .
2) If there are Two algorithms A and B and both will take 10 second for completion . algorithm A take 15 MB and algorithm B take 3 MB . then in this condition Algorithm B is more efficient then A. because it take less space as compare to the algorithm A.
Efficiency / complexity of an algorithm is calculated by the Asymptotic notation.
what is algorithm and Efficiency of the algorithm
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