http://www.jungol.co.kr/bbs/board.php?bo_table=pbank&wr_id=2405&sca=99&sfl=wr_hit&stx=3123 JUNGOL www.jungol.co.kr #include int T; char Sent[1000010]; typedef struct Node { Node() : pPrev(nullptr), pNext(nullptr), c(0) {} Node* pPrev; Node* pNext; char c; }; Node Head, Tail, *pCursor; void Add(char c) { Node* pNew = new Node; Node* pOldPrev = pCursor->pPrev; pOldPrev->pNext = pNew; pNew->pPrev =..