Time complexity is, the relation of computing time and the amount of input.
The commonly used asymptotic notations used for calculating the running time complexity of an algorithm are:
Big oh Notation (Ο)
Omega Notation (Ω)
Theta Notation (θ)

##### TIME COMPLEXITY SERIES #######
1. Time Complexity and Asymptotic Notation :    • Time Complexity of Algorithms and Asy...  
2. Logs and Summations for Time Complexity :    • Logarithm and Summation for Time Comp...  
3. Rules of Asymptotic Notations :    • Asymptotic Analysis Rules and Algorit...  
4. Problems on Asymptotic Notations :    • Problems on Asymptotic Analysis #4  
5. Time Complexity of Insertion, Bubble and Selection Sort :    • Time Complexity Analysis of Insertion...  

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