- Thinking Techniques as follows:
| n | Complexity | Possible Algorithms & Techniques |
|---|---|---|
| 1018+ | O(1) | Math |
| 1018 | O(logn) | Binary & Ternary Search / Matrix Power / Cycle Tricks / Big Simulation Steps / Values Reranking / Math |
| 1016 | O(n1/2) | Math |
| 108 | O(n) | Greedy / Ad-hoc / DP |
| 4×107 | O(nlogn) | Linear # Calls to Binary & Ternary Search / Pre-processing & Querying / Divide and Conquer |
| 104 | O(n2) | Ad-hoc / DP / Greedy / Divide and Conquer / Branch and Bound |
| 500 | O(n3) | Ad-hoc / DP / Greedy / Divide and Conquer / Branch and Bound |
| 90 | O(n4) | Ad-hoc / DP / Greedy / Divide and Conquer / Branch and Bound |
| 50 | O(n5) | Branch and Bound |
| 40 | O(n×2n/2) | Meet in the Middle |
| 20 | O(n×2n) | Backtracking / Generating 2n Subsets / Bitmask Technique |
| 11 | O(n!) | Factorial / Permutation / Combination Algorithm |
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