【转载】C++讲义[提高]

latex	显示效果
\emptyset	∅
\in	∈
\notin	∉
\subset	⊂
\supset	⊃
\subseteq	⊆
\nsubseteq	⊈
\nsupseteq	⊉
\nsubseteqq	$\nsubseteqq$
\nsupseteqq	$\nsupseteqq$
\subsetneq	⊊
\supsetneq	⊋
\subsetneqq	⫋
\supsetneqq	⫌
\varsubsetneq	$\varsubsetneq$
\varsupsetneq	$\varsupsetneq $
\varsubsetneqq	$\varsubsetneqq $
\varsupsetneqq	$\varsupsetneqq$
\bigcap	⋂
\bigcup	⋃
\bigvee	⋁
\bigwedge	⋀
\biguplus	⨄
\bigsqcup	⨆
\Subset	⋐
\Supset	⋑
\subseteqq	⫅
\supseteqq	⫆
\sqsubset	⊏
\sqsupset	⊐