Viewing insights from Codeforces 1506F: Triangular Paths that are similar (thus shared) with ANY insight of Codeforces 1370D: Odd-Even Subsequence.
- When dealing with even/odd numbers in a problem, see if the moves are designed for numbers to stay odd or stay even. In general, check in a problem if some characteristic is always the same (e.g. number being even). by mathmastersd
- Try to do the moves that are advantageous first to work to a desired result and then finish the rest of the moves to get a desired result (greedy strategy). by mathmastersd
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