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Big O Cheat sheet


- Time Complexity Space Complexity
Best - Ω Average - θ Worst - O Worst - O
Quick Sort n log(n) n log(n) n2 log(n)
Bubble Sort n n2 n2 1
Merge Sort n log(n) n log(n) n log(n) n
Insertion Sort n n2 n2 1
Selection Sort n2 n2 n2 1
Heap Sort n log(n) n log(n) n log(n) 1
Bucket Sort n + k n + k n2 n
Radix Sort nk nk nk n + k