Update README.md

nuoxoxo · Sep 27, 2024 · 28d491d · 28d491d
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 `$ export COOK=" ... "`
 
 - __Notes__
+    - 18/ hour arithmetic - add 1 or -1 second
+    - 17/ date arithmetic - `currdate.Sub(prevdate)` 
     - 15/ classic Bidirectional BFS
     - 13/ most repeated substring/pattern
     - 10/ Dijkstra - min heap / priority queue implementation in Go