4
What is the difference between them?
source link: https://codeforces.com/blog/entry/125217
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What is the difference between them?
both code did same.what is the difference?
First one :
set <int> s;
s.insert (1);s.insert (3);s.insert (5);
auto tr = s.lower_bound (2);
s.erase (tr);<-----------here
--------------------------
Second one :
set <int> s;
s.insert (1);s.insert (3);s.insert (5);
auto tr = s.lower_bound (2);
s.erase (*tr);<-----------hereRecommend
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