	ID	题目显示标签隐藏标签	AC / 尝试	难度
	1758	P1223B Strings Equalization strings *1000	0 / 0	(无)
	1726	P1231E Middle-Out constructive algorithms greedy strings *2200	0 / 0	(无)
	1700	P1238D AB-string binary search combinatorics dp strings *1900	0 / 0	(无)
	1683	P1243B1 Character Swap (Easy Version) strings *1000	0 / 0	(无)
	1682	P1243B2 Character Swap (Hard Version) strings *1600	0 / 0	(无)
	1641	P1251A Broken Keyboard brute force strings two pointers *1000	0 / 0	(无)
	1640	P1251B Binary Palindromes greedy strings *1400	0 / 0	(无)
	1631	P1252D Find String in a Grid data structures dp strings trees *3000	0 / 0	(无)
	1602	P1256F Equalizing Two Strings constructive algorithms sortings strings *2000	0 / 0	(无)
	1599	P1257C Dominated Subarray greedy implementation sortings strings two pointers *1200	0 / 0	(无)
	1552	P1267L Lexicography constructive algorithms strings *1800	0 / 0	(无)
	1551	P1268A Long Beautiful Integer constructive algorithms greedy implementation strings *1700	0 / 0	(无)
	1539	P1270F Awesome Substrings math strings *2600	0 / 0	(无)
	1524	P1272F Two Bracket Sequences dp strings two pointers *2200	0 / 0	(无)
	1506	P1278A Shuffle Hashing brute force implementation strings *1000	0 / 0	(无)
	1482	P1282D Enchanted Artifact constructive algorithms interactive strings *2300	0 / 0	(无)
	1474	P1284A New Year and Naming implementation strings *800	0 / 0	(无)
	1464	P1285D Dr bitmasks brute force dfs and similar divide and conquer dp greedy strings trees *1900	0 / 0	(无)
	1456	P1286E Fedya the Potter Strikes Back data structures strings *3200	0 / 0	(无)
	1445	P1290B Irreducible Anagrams binary search constructive algorithms data structures strings two pointers *1800	0 / 0	(无)
	1440	P1291A Even But Not Even greedy math strings *900	0 / 0	(无)
	1422	P1295B Infinite Prefixes math strings *1700	0 / 0	(无)
	1421	P1295C Obtain The String dp greedy strings *1600	0 / 0	(无)
	1403	P1297H Paint the String *special problem dp strings	0 / 0	(无)
	1394	P1301A Three Strings implementation strings *800	0 / 0	(无)
	1392	P1301C Ayoub's function binary search combinatorics greedy math strings *1700	0 / 0	(无)
	1378	P1303A Erasing Zeroes implementation strings *800	0 / 0	(无)
	1374	P1303E Erase Subsequences dp strings *2200	0 / 0	(无)
	1370	P1304B Longest Palindrome brute force constructive algorithms greedy implementation strings *1100	0 / 0	(无)
	1363	P1305B Kuroni and Simple Strings constructive algorithms greedy strings two pointers *1200	0 / 0	(无)
	1354	P1307C Cow and Message brute force dp math strings *1500	0 / 0	(无)
	1347	P1310C Au Pont Rouge binary search dp strings *2800	0 / 0	(无)
	1325	P1313E Concatenation with intersection data structures hashing strings two pointers *2700	0 / 0	(无)
	1323	P1315B Homecoming binary search dp greedy strings *1300	0 / 0	(无)
	1320	P1316B String Modification brute force constructive algorithms implementation sortings strings *1400	0 / 0	(无)
	1312	P1320D Reachable Strings data structures hashing strings *2500	0 / 0	(无)
	1308	P1321C Remove Adjacent brute force constructive algorithms greedy strings *1600	0 / 0	(无)
	1298	P1324B Yet Another Palindrome Problem brute force strings *1100	0 / 0	(无)
	1284	P1326D1 Prefix-Suffix Palindrome (Easy version) hashing string suffix structures strings *1500	0 / 0	(无)
	1283	P1326D2 Prefix-Suffix Palindrome (Hard version) binary search greedy hashing string suffix structures strings *1800	0 / 0	(无)
	1253	P1331F Elementary! *special problem brute force dp strings	0 / 0	(无)
	1248	P1332C K-Complete Word dfs and similar dsu greedy implementation strings *1500	0 / 0	(无)
	1221	P1336C Kaavi and Magic Spell dp strings *2200	0 / 0	(无)
	1198	P1342B Binary Period constructive algorithms strings *1100	0 / 0	(无)
	1168	P1348C Phoenix and Distribution constructive algorithms greedy sortings strings *1600	0 / 0	(无)
	1080	P1360F Spy-string bitmasks brute force constructive algorithms dp hashing strings *1700	0 / 0	(无)
	1067	P1363B Subsequence Hate implementation strings *1400	0 / 0	(无)
	1063	P1363F Rotating Substrings dp strings *2600	0 / 0	(无)
	1044	P1366G Construct the String data structures dp strings *2700	0 / 0	(无)
	1043	P1367A Short Substrings implementation strings *800	0 / 0	(无)
	1035	P1368B Codeforces Subsequences brute force constructive algorithms greedy math strings *1500	0 / 0	(无)
	1026	P1369B AccurateLee greedy implementation strings *1200	0 / 0	(无)
	992	P1374C Move Brackets greedy strings *1000	0 / 0	(无)
	978	P1379A Acacius and String brute force implementation strings *1500	0 / 0	(无)
	964	P1381A1 Prefix Flip (Easy Version) constructive algorithms data structures strings *1300	0 / 0	(无)
	963	P1381A2 Prefix Flip (Hard Version) constructive algorithms data structures implementation strings two pointers *1700	0 / 0	(无)
	956	P1383A String Transformation 1 dsu graphs greedy sortings strings trees two pointers *1700	0 / 0	(无)
	950	P1384A Common Prefixes constructive algorithms greedy strings *1200	0 / 0	(无)
	903	P1393E1 Twilight and Ancient Scroll (easier version) dp hashing implementation string suffix structures strings *2800	0 / 0	(无)
	902	P1393E2 Twilight and Ancient Scroll (harder version) dp hashing implementation string suffix structures strings two pointers *3200	0 / 0	(无)
	897	P1394E Boboniu and Banknote Collection strings *3500	0 / 0	(无)
	888	P1397A Juggling Letters greedy strings *800	0 / 0	(无)
	872	P1400A String Similarity constructive algorithms strings *800	0 / 0	(无)
	867	P1400F x-prime Substrings brute force dfs and similar dp string suffix structures strings *2800	0 / 0	(无)
	853	P1404A Balanced Bitstring implementation strings *1500	0 / 0	(无)
	822	P1409F Subsequences of Length Two dp strings *2100	0 / 0	(无)
	818	P1411D Grime Zoo brute force greedy implementation strings *2100	0 / 0	(无)
	817	P1411E Poman Numbers bitmasks greedy math strings *2300	0 / 0	(无)
	800	P1416C XOR Inverse bitmasks data structures divide and conquer dp greedy math sortings strings trees *2000	0 / 0	(无)
	772	P1421C Palindromifier constructive algorithms strings *1400	0 / 0	(无)
	765	P1422E Minlexes dp greedy implementation strings *2700	0 / 0	(无)
	734	P1426F Number of Subsequences combinatorics dp strings *2000	0 / 0	(无)
	723	P1428C ABBB brute force data structures greedy strings *1100	0 / 0	(无)
	712	P1430E String Reversal data structures greedy strings *1900	0 / 0	(无)
	701	P1431I Cyclic Shifts special problem strings 2900	0 / 0	(无)
	679	P1437G Death DBMS data structures string suffix structures strings trees *2600	0 / 0	(无)
	646	P1446B Catching Cheaters dp strings *1800	0 / 0	(无)
	627	P1451B Non-Substring Subsequence dp greedy implementation strings *900	0 / 0	(无)
	626	P1451C String Equality dp greedy hashing implementation strings *1400	0 / 0	(无)
	579	P1462B Last Year's Substring dp implementation strings *800	0 / 0	(无)
	564	P1466C Canine poetry dp greedy strings *1300	0 / 0	(无)
	560	P1466G Song of the Sirens combinatorics divide and conquer hashing math string suffix structures strings *2600	0 / 0	(无)
	534	P1469E A Bit Similar bitmasks brute force hashing string suffix structures strings two pointers *2400	0 / 0	(无)
	516	P1473B String LCM brute force math number theory strings *1000	0 / 0	(无)
	514	P1473D Program data structures dp implementation strings *1700	0 / 0	(无)
	493	P1476E Pattern Matching bitmasks data structures dfs and similar graphs hashing sortings strings *2300	0 / 0	(无)
	475	P1480A Yet Another String Game games greedy strings *800	0 / 0	(无)
	473	P1481A Space Navigation greedy strings *800	0 / 0	(无)
	406	P1493C K-beautiful Strings binary search brute force constructive algorithms greedy strings *2000	0 / 0	(无)
	404	P1493E Enormous XOR bitmasks constructive algorithms greedy math strings two pointers *2600	0 / 0	(无)
	390	P1496A Split it! brute force constructive algorithms greedy strings *900	0 / 0	(无)
	371	P1499E Chaotic Merge combinatorics dp math strings *2400	0 / 0	(无)
	354	P1504A Déjà Vu constructive algorithms strings *800	0 / 0	(无)
	341	P1506C Double-ended Strings brute force implementation strings *1000	0 / 0	(无)
	337	P1506G Maximize the Remaining String brute force data structures dp greedy strings *2000	0 / 0	(无)
	336	P1508A Binary Literature constructive algorithms greedy implementation strings two pointers *1900	0 / 0	(无)
	313	P1511D Min Cost String brute force constructive algorithms graphs greedy strings *1600	0 / 0	(无)
	311	P1511F Chainword brute force data structures dp matrices string suffix structures strings *2700	0 / 0	(无)
	307	P1512C A-B Palindrome constructive algorithms implementation strings *1200	0 / 0	(无)
	232	P1526D Kill Anton brute force constructive algorithms data structures math strings *2200	0 / 0	(无)

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根据当前过滤条件随机选择一道题

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杨旭龙、王树淳、王国斌、宋文宇、朱天伦

特别鸣谢

肖飞、关玉蓉、魏银珍、周芬

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