Log for YSITD
Appendix C 2.4 Clause 7（頁碼 1239，PDF 的第 1254 頁）
Effect on original feature: Valid C++ 2003 code that uses the keyword auto as a storage class specifier may be invalid in this International Standard. In this International Standard, auto indicates that the type of a variable is to be deduced from its initializer expression.
Effect on original feature: Valid C++ 2003 code that uses the keyword auto as a storage class specifier may be invalid in this International Standard. In this International Standard, auto indicates that the type of a variable is to be deduced from its initializer expression.
每次寫 PHP 或 JS 時，在做變數賦值時都要確認型態不會跑掉，比較時一定要 === 不然天知道會發生什麼事
有夠辛苦，不然要改型態時再自己 cast 就好
有夠辛苦，不然要改型態時再自己 cast 就好
你如果好好宣告的話要打
map<pair<string, long long>, set<long long>>::iterator it = mp.begin();
歐
map<pair<string, long long>, set<long long>>::iterator it = mp.begin();
歐
標準模板庫（英文：Standard Template Library，縮寫：STL），是一個C++軟體庫，大量影響了C++標準程式庫但並非是其的一部分。其中包含4個元件，分別為演算法、容器、函式、疊代器。
這個動作(?
def __iter__(self): self.a = 1 return self def __next__(self): x = self.a self.a += 1 return x
def __iter__(self): self.a = 1 return self def __next__(self): x = self.a self.a += 1 return x