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for example, I have this question https://codeforces.me/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
The solution in official tutorial uses binary search.
https://codeforces.me/blog/entry/103883