判断字符串是否为回文

状态	递交者	时间	内存	语言	代码	递交时间
AC	张梓浩 (zhangzihao)	6ms	7.2 MiB		277 Bytes	2023-12-16 9:33:31
AC	zhangyouze (张佑泽)	7ms	7 MiB		259 Bytes	2023-12-16 18:36:14
AC	MoonLight ( aaa)	8ms	256 KiB		253 Bytes	2022-1-25 12:13:53
AC	曹埊睿 (caodirui)	9ms	312 KiB		253 Bytes	2023-4-22 13:17:34
AC	陌生人 (涂玉龙)	14ms	7 MiB		298 Bytes	2024-1-14 15:28:27
AC	Jose (反恐皮蛋)	14ms	6.8 MiB	C++98	409 Bytes	2024-7-3 11:34:35
AC	17779	14ms	396 KiB		259 Bytes	2022-4-4 15:03:16
AC	xmw318046	15ms	6.4 MiB	C++98	323 Bytes	2024-7-5 15:32:58
AC	stehpen_zuo	15ms	6.4 MiB	C++20	392 Bytes	2024-7-6 7:29:50
AC	wangjun	15ms	6.9 MiB		272 Bytes	2023-11-26 15:39:58
AC	Zongzi1	15ms	6.6 MiB	C++17(O2)	305 Bytes	2024-7-20 19:13:51
AC	ShenChuan	15ms	468 KiB		280 Bytes	2023-5-20 16:53:35
AC	杜是贤 (dushixian)	15ms	384 KiB		259 Bytes	2022-3-27 10:45:38
AC	芒苒忧 (廖迦南)	15ms	384 KiB		280 Bytes	2022-8-3 15:03:33
AC	李哲 (lizhe)	15ms	392 KiB		307 Bytes	2022-9-7 21:27:41
AC	李树崑 (lishukun)	15ms	512 KiB		438 Bytes	2022-8-16 12:04:49
AC	ycy	15ms	384 KiB		317 Bytes	2022-6-18 16:15:10
AC	谢延灏 (xeiyanhao---a handsome boy)	15ms	440 KiB		239 Bytes	2022-8-1 14:57:10
AC	肖添宇	15ms	384 KiB		252 Bytes	2022-4-16 20:21:07
AC	陈杰晟	15ms	392 KiB		255 Bytes	2022-5-20 19:58:11
AC	王晨志 (wangchenzhi)	16ms	384 KiB		310 Bytes	2022-6-19 12:54:46
AC	宋金龙 (songjl0421)	16ms	384 KiB		295 Bytes	2022-3-5 13:57:24
AC	李山水	16ms	384 KiB		352 Bytes	2022-2-20 9:31:24
AC	张祖名	16ms	6.8 MiB	C++98(O2)	419 Bytes	2024-7-1 10:44:17
AC	1396013295	16ms	384 KiB		307 Bytes	2022-1-23 17:21:09
AC	李廷旭 (litingxu)	16ms	7 MiB		723 Bytes	2023-12-17 16:55:10
AC	laoyang	16ms	384 KiB		292 Bytes	2022-5-19 20:19:24
AC	Erin	16ms	7 MiB	C++98	253 Bytes	2024-6-12 16:32:07
AC	不怎么聪明的家伙 (贺俊楠)	16ms	384 KiB		352 Bytes	2023-4-12 20:47:57
AC	姚宏逸	16ms	384 KiB		370 Bytes	2022-1-30 20:27:35
AC	韩正墨 (xmw05)	16ms	512 KiB		352 Bytes	2022-7-13 9:26:21
AC	赵鑫宸 (xiaoxiao721)	16ms	512 KiB		401 Bytes	2022-3-5 16:13:49
AC	马渝杭 (mayuhang)	16ms	444 KiB		226 Bytes	2022-9-12 20:01:14
AC	朱泽晟	16ms	392 KiB		303 Bytes	2022-1-26 11:41:23
AC	zhangyh (张育菡)	16ms	392 KiB		255 Bytes	2022-6-13 22:11:43
AC	汪致卉 (wangzh)	16ms	384 KiB		362 Bytes	2022-1-23 20:04:37
AC	李铭瀚 (liminghan)	16ms	392 KiB		458 Bytes	2022-9-11 19:10:21
AC	张峻瑞	16ms	384 KiB		243 Bytes	2022-9-7 21:39:01
AC	何昊宇 (22016-hhy)	16ms	384 KiB		226 Bytes	2023-5-20 17:11:59
AC	杜俊宏	16ms	384 KiB		285 Bytes	2022-4-9 15:33:42
AC	heyuzhe	16ms	6.9 MiB	C++98	253 Bytes	2024-8-21 9:28:07
AC	王胤钦 (wangyinqin)	16ms	7.1 MiB	C++11	323 Bytes	2024-4-19 20:07:54
AC	yu (赵子瑜)	16ms	392 KiB		271 Bytes	2022-2-27 19:19:56
AC	什蒂尔布 (吴东航)	16ms	6.9 MiB	C++98	230 Bytes	2024-5-20 17:03:49
AC	黄相茗	16ms	412 KiB		298 Bytes	2022-4-6 21:37:53
AC	我和赵梓晴之间不是一般的亲密 (fengyuanzheng)	16ms	384 KiB		425 Bytes	2022-3-4 23:27:03
AC	程子杰 (05c41-czj)	16ms	512 KiB		291 Bytes	2022-7-27 11:11:22
AC	NJL (NJlL)	16ms	384 KiB		329 Bytes	2022-2-27 19:05:03
AC	没有此人 (akm)	16ms	512 KiB		350 Bytes	2022-9-5 15:46:17
AC	Accepted (周芷乐)	16ms	6.7 MiB	C++14	253 Bytes	2024-7-20 12:36:23
AC	我谢谢你全家	16ms	392 KiB		279 Bytes	2022-2-27 19:18:16
AC	luosifu22006	16ms	384 KiB		246 Bytes	2022-8-18 17:41:01
AC	ylc	16ms	7.1 MiB	C++98	301 Bytes	2024-5-18 15:34:40
AC	ddz	16ms	400 KiB		602 Bytes	2022-3-6 18:35:06
AC	王韵淮	16ms	384 KiB		193 Bytes	2022-5-20 21:45:06
AC	樊竣熠 (lft1114)	16ms	440 KiB		297 Bytes	2022-8-3 13:46:30
AC	魏楚浔 (shawn)	16ms	444 KiB		289 Bytes	2022-3-5 20:26:39
AC	(张洛诚)	16ms	384 KiB		406 Bytes	2023-4-20 20:20:20
AC	何昊宇 (22016-hhy)	16ms	392 KiB		244 Bytes	2023-5-20 17:12:11
AC	chen (peter)	16ms	384 KiB		261 Bytes	2022-2-27 19:12:45
AC	杨坤霖 (steven)	16ms	512 KiB		421 Bytes	2023-2-3 11:14:45
AC	12345	16ms	384 KiB		265 Bytes	2022-3-19 15:31:12
AC	张玉坚 (zhangyuian)	16ms	384 KiB		217 Bytes	2022-10-30 15:37:54
AC	张瑞博	16ms	7 MiB	C++11	288 Bytes	2024-6-9 17:51:54
AC	朱老师 (zyp)	16ms	384 KiB		268 Bytes	2022-8-15 16:54:19
AC	文硕 (文硕1)	16ms	512 KiB		298 Bytes	2022-7-12 11:51:33
AC	赵泳鑫 (zhaoyongxin)	16ms	384 KiB		298 Bytes	2022-4-6 19:10:15
AC	唐梓竣	16ms	512 KiB		608 Bytes	2023-5-7 18:08:56
AC	wangxingyue	16ms	512 KiB		409 Bytes	2022-3-26 16:57:04
AC	wangruibo20xh	16ms	436 KiB		335 Bytes	2022-2-11 18:47:05
AC	中岛敦 (黄麒瑞)	16ms	6.8 MiB		352 Bytes	2023-10-3 11:30:47
AC	SYC0226	16ms	384 KiB		364 Bytes	2022-3-20 14:26:22
AC	郭人瑀作业号	16ms	440 KiB		274 Bytes	2022-8-2 15:28:35
AC	手搓STL stack 双向无环链表 _ 向量 2种实现方式: template <typename Map_Type> class Stack_l /* Stack _ List / { private: struct Node { Map_Type Node_Data; Node nextp, lastp; Node(void) { nextp = 0; lastp = 0; } }; struct List_Data { unsigned int List_Size; Node headp, endp; List_Data(void) { List_Size = 0; headp = 0; endp = 0; } }Data; struct Vector_Data { Map_Type headp, lastp, endp; void resize(unsigned int data_size) { Map_Type newp = new Map_Type[data_size](); endp = newp + data_size - 1; lastp = newp + (data_size > lastp - headp ? lastp - headp : data_size); if (headp) delete[] headp; headp = newp; } Vector_Data(void) { headp = 0; lastp = 0; endp = 0; } }; public: unsigned int size(void) { return Data.List_Size; } Map_Type& top(void) { return Data.endp -> Node_Data; } void data(void) { return &Data; } bool empty(void) { return !((bool)Data.headp); } Stack_l<Map_Type>& push(Map_Type push_data) { Node nodep = new Node(); nodep -> lastp = Data.endp; if (!Data.headp) { Data.headp = nodep; Data.endp = nodep; } else Data.endp -> nextp = nodep; Data.endp = nodep; nodep -> Node_Data = push_data; ++Data.List_Size; return this; } Stack_l<Map_Type>& push(Map_Type& push_data) { Node nodep = new Node(); nodep -> lastp = Data.endp; if (!Data.headp) { Data.headp = nodep; Data.endp = nodep; } else Data.endp -> nextp = nodep; Data.endp = nodep; nodep -> Node_Data = push_data; ++Data.List_Size; return this; } Stack_l<Map_Type>& push(Map_Type* push_data) { Node nodep = new Node(); nodep -> lastp = Data.endp; if (!Data.headp) { Data.headp = nodep; Data.endp = nodep; } else Data.endp -> nextp = nodep; Data.endp = nodep; nodep -> Node_Data = push_data; ++Data.List_Size; return this; } Stack_l<Map_Type>& push(const Map_Type push_data) { Node nodep = new Node(); nodep -> lastp = Data.endp; if (!Data.headp) { Data.headp = nodep; Data.endp = nodep; } else Data.endp -> nextp = nodep; Data.endp = nodep; nodep -> Node_Data = (Map_Type)push_data; ++Data.List_Size; return this; } Stack_l<Map_Type>& pop(void) { if (Data.headp) { if (Data.List_Size == 1u) { delete Data.headp; Data.List_Size = 0; Data.headp = 0; Data.endp = 0; } else { Data.endp = Data.endp -> lastp; delete Data.endp -> nextp; Data.endp -> nextp = 0; --Data.List_Size; } } return this; } Stack_l<Map_Type>& clear(void) { while (Data.List_Size) { pop(); } return this; } Stack_l<Map_Type>(void) { /* NULL / } Stack_l<Map_Type>(unsigned int data_size, Map_Type map_data) { Data.List_Size = data_size; while (data_size--) { Node nodep = new Node(); nodep -> Node_Data = map_data; if (Data.headp) { nodep -> lastp = Data.endp; Data.endp -> nextp = nodep; Data.endp = nodep; } else { Data.headp = nodep; Data.endp = nodep; } } } Stack_l<Map_Type>(Stack_l<Map_Type>& map_data) { if (!map_data.empty()) { List_Data listp = (List_Data)map_data.data(); Node nodep = listp -> headp, newp; for (unsigned int i = 0; i != listp -> List_Size; ++i, nodep = nodep -> nextp) { newp = new Node(); newp -> Node_Data = nodep -> Node_Data; if (Data.headp) { newp -> lastp = Data.endp; Data.endp -> nextp = newp; Data.endp = newp; } else { Data.headp = newp; Data.endp = newp; } } Data.List_Size = listp -> List_Size; } } Stack_l<Map_Type>& operator=(Stack_l<Map_Type>& copy_data) { if (copy_data.empty()) return this; List_Data listp = (List_Data)copy_data.data(); Node nodep = listp -> headp, newp; for (unsigned int i = 0; i != listp -> List_Size; ++i, nodep = nodep -> nextp) { newp = new Node(); newp -> Node_Data = nodep -> Node_Data; if (Data.headp) { newp -> lastp = Data.endp; Data.endp -> nextp = newp; Data.endp = newp; } else { Data.headp = newp; Data.endp = newp; } } Data.List_Size = listp -> List_Size; return this; } bool operator==(Stack_l<Map_Type>& cmp_data) { if (cmp_data.size() != Data.List_Size) return false; else if (cmp_data.empty() && (!Data.List_Size)) return true; Node nodep1 = Data.headp, nodep2 = ((List_Data)cmp_data.data()) ->headp; for (unsigned int i = 0; i != Data.List_Size; ++i, nodep1 = nodep1 -> nextp, nodep2 = nodep2 ->nextp) { if (nodep1 -> Node_Data != nodep2 -> Node_Data) return false; } return true; } bool operator!=(Stack_l<Map_Type>& cmp_data) { if (cmp_data.size() == Data.List_Size) return false; else if (cmp_data.empty() && (!Data.List_Size)) return false; Node nodep1 = Data.headp, nodep2 = ((List_Data)cmp_data.data()) ->headp; for (unsigned int i = 0; i != Data.List_Size; ++i, nodep1 = nodep1 -> nextp, nodep2 = nodep2 ->nextp) { if (nodep1 -> Node_Data != nodep2 -> Node_Data) return true; } return true; } ~Stack_l<Map_Type>(void) { clear(); } }; /* Stack _ List / template <typename Map_Type> class Stack_v / Stack _ Vector / { private: struct Node { Map_Type Node_Data; Node nextp, lastp; Node(void) { nextp = 0; lastp = 0; } }; struct List_Data { unsigned int List_Size; Node headp, endp; List_Data(void) { List_Size = 0; headp = 0; endp = 0; } }; struct Vector_Data { Map_Type headp, lastp, endp; void resize(unsigned int data_size) { Map_Type newp = new Map_Type[data_size](); endp = newp + data_size - 1; lastp = newp + (data_size > lastp - headp ? lastp - headp : data_size); if (headp) delete[] headp; headp = newp; } Vector_Data(void) { headp = 0; lastp = 0; endp = 0; } }Data; public: unsigned int size(void) { return Data.lastp - Data.headp; } Map_Type& top(void) { return (Data.lastp - 1); } void* data(void) { return &Data; } bool full(void) { if (!Data.headp) return true; return Data.endp + 1 == Data.lastp; } bool empty(void) { if (!Data.headp) return true; return Data.headp == Data.lastp; } Stack_v<Map_Type>& push(Map_Type push_data) { if (full()) Data.resize((unsigned int)((Data.lastp - Data.headp) * 1.5) + 1); Data.lastp = push_data; ++Data.lastp; return this; } Stack_v<Map_Type>& push(Map_Type& push_data) { if (full()) Data.resize((unsigned int)((Data.lastp - Data.headp) * 1.5) + 1); Data.lastp = push_data; ++Data.lastp; return this; } Stack_v<Map_Type>& push(Map_Type* push_data) { if (full()) Data.resize((unsigned int)((Data.lastp - Data.headp) * 1.5) + 1); Data.lastp = push_data; ++Data.lastp; return this; } Stack_v<Map_Type>& push(const Map_Type push_data) { if (full()) Data.resize((unsigned int)((Data.lastp - Data.headp) * 1.5) + 1); Data.lastp = (Map_Type)push_data; ++Data.lastp; return this; } Stack_v<Map_Type>& pop(void) { if (empty()) { if (Data.lastp - Data.headp > 1) Data.resize((Data.lastp - Data.headp) >> 1); else return this; } else --Data.lastp; return this; } Stack_v<Map_Type>(void) { /* NULL / } Stack_v<Map_Type>(unsigned int data_size, Map_Type map_data) { while (data_size) { push(&map_data); --data_size; } } Stack_v<Map_Type>(Stack_v<Map_Type>& map_data) { Vector_Data datap = (Vector_Data)map_data.data(); for (unsigned int i = 0, k = map_data.size(); i != k; ++i) push(datap -> headp + i); } Stack_v<Map_Type>& operator=(Stack_v<Map_Type>& copy_data) { if (copy_data.empty()) clear(); else { Vector_Data datap = (Vector_Data)copy_data.data(); for (unsigned int i = 0, k = copy_data.size(); i != k; ++i) push(datap -> headp + i); } return this; } bool operator==(Stack_v<Map_Type>& cmp_data) { if (size() != cmp_data.size()) return false; else if (empty() && cmp_data.empty()) return true; Vector_Data datap = (Vector_Data)cmp_data.data(); for (unsigned int i = 0, k = size(); i != k; ++i) { if ((Data.headp + i) != (datap ->headp + i)) return false; } return true; } bool operator!=(Stack_v<Map_Type>& cmp_data) { if (size() != cmp_data.size()) return true; else if (empty() && cmp_data.empty()) return false; Vector_Data datap = (Vector_Data)cmp_data.data(); for (unsigned int i = 0, k = size(); i != k; ++i) { if ((Data.headp + i) != (datap -> headp + i)) return true; } return false; } Stack_v<Map_Type>& clear(void) { delete[] Data.headp; Data.headp = 0; Data.lastp = 0; Data.endp = 0; return this; } ~Stack_v<Map_Type>(void) { delete[] Data.headp; } }; / Stack _ Vector */ int main(void) { return 0; } (22029-xys)	16ms	392 KiB		362 Bytes	2022-12-31 10:11:16
AC	zhanghaoran	16ms	384 KiB		286 Bytes	2022-3-12 10:35:50
AC	zjz	16ms	384 KiB		272 Bytes	2022-2-27 19:43:52
AC	laiyouming22031	16ms	384 KiB		223 Bytes	2022-12-18 11:19:45
AC	zhangheyi22006	17ms	384 KiB		272 Bytes	2023-2-15 18:57:58
AC	ddz	17ms	384 KiB		602 Bytes	2022-3-6 18:35:07
AC	时代一校林星宇 (lxy)	17ms	432 KiB		563 Bytes	2023-2-3 19:42:54
AC	朱泽晟	17ms	384 KiB		279 Bytes	2022-1-26 11:41:37
AC	冒牌陈杰晟【MOD】 (wed)	17ms	444 KiB		296 Bytes	2022-2-27 19:04:11
AC	邹智吉	17ms	6.8 MiB	C++98	325 Bytes	2024-8-25 14:20:46
AC	贾鑫豪 (Mr Sam)	17ms	384 KiB		291 Bytes	2022-10-29 11:34:20
AC	代尚函笛卡尔 (daishanghan)	17ms	384 KiB		244 Bytes	2022-10-30 15:36:57
AC	吴思谛 (wusidi)	17ms	512 KiB		271 Bytes	2022-6-11 11:25:34
AC	原著校区巫映秋 (巫映秋1a)	17ms	7 MiB	C++98	422 Bytes	2024-6-28 23:00:05
AC	(金沙天街)严皓月 (严皓月)	17ms	6.8 MiB		181 Bytes	2023-9-29 10:54:02
AC	12345	17ms	392 KiB		265 Bytes	2022-3-19 15:31:18
AC	zhoumingze23017	17ms	6.7 MiB		240 Bytes	2023-9-5 17:50:32
AC	12345	17ms	384 KiB		265 Bytes	2022-3-19 15:31:13
AC	我是个s* (lijinze)	17ms	396 KiB		245 Bytes	2023-3-24 20:34:59
AC	Tang	17ms	424 KiB		286 Bytes	2022-3-12 10:33:00
AC	zzzrrrxxx	17ms	7 MiB		217 Bytes	2023-12-17 16:59:32
AC	ddz	17ms	436 KiB		292 Bytes	2022-3-21 20:54:05
AC	qinyi	17ms	436 KiB		302 Bytes	2022-2-26 18:41:28
AC	刘煜轩	17ms	6.7 MiB		297 Bytes	2023-9-30 10:58:50
AC	超级管理员 (root)	17ms	396 KiB		298 Bytes	2022-12-31 20:47:35
AC	周浩楠 (开朗的周好难)	17ms	6.8 MiB		188 Bytes	2023-9-30 11:07:16
AC	希蒙 (zhengxingya)	17ms	6.8 MiB		421 Bytes	2023-10-18 17:37:54