std::deque template < class T, class Alloc = allocator > class deque; Double ended queue deque means double enden queue; deque (usually pronounced like "deck") is an irregular acronym of double-ended queue. Double-ended queues are sequence…
直接用STL的的deque就好了... ---------------------------------------------------------------------- #include<cstdio> #include<algorithm> #include<cstring> #include<iostream> #include<deque> #define rep( i , n ) for( int i = 0 ; i &l…