for example, I have this question https://mirror.codeforces.com/problemset/problem/1692/E which can be easily solved by two pointers, It also contain a tag of binary search, so should I invest my time in thinking about who it will be done with the help of binary search?
please give me some suggestion thanks in advance
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The solution in official tutorial uses binary search.
https://mirror.codeforces.com/blog/entry/103883