题库 - strings - HydroOJ

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	853	P1381A1 Prefix Flip (Easy Version) constructive algorithms data structures strings *1300	1 / 2	4
	852	P1381A2 Prefix Flip (Hard Version) constructive algorithms data structures implementation strings two pointers *1700	1 / 1	5
	846	P1383A String Transformation 1 dsu graphs greedy sortings strings trees two pointers *1700	0 / 0	5
	840	P1384A Common Prefixes constructive algorithms greedy strings *1200	0 / 0	4
	793	P1393E1 Twilight and Ancient Scroll (easier version) dp hashing implementation string suffix structures strings *2800	0 / 0	10
	792	P1393E2 Twilight and Ancient Scroll (harder version) dp hashing implementation string suffix structures strings two pointers *3200	0 / 0	10
	787	P1394E Boboniu and Banknote Collection strings *3500	0 / 0	10
	778	P1397A Juggling Letters greedy strings *800	0 / 0	3
	762	P1400A String Similarity constructive algorithms strings *800	0 / 0	3
	757	P1400F x-prime Substrings brute force dfs and similar dp string suffix structures strings *2800	0 / 0	10
	743	P1404A Balanced Bitstring implementation strings *1500	0 / 0	5
	712	P1409F Subsequences of Length Two dp strings *2100	0 / 0	7
	708	P1411D Grime Zoo brute force greedy implementation strings *2100	0 / 0	7
	707	P1411E Poman Numbers bitmasks greedy math strings *2300	0 / 0	8
	690	P1416C XOR Inverse bitmasks data structures divide and conquer dp greedy math sortings strings trees *2000	0 / 0	7
	662	P1421C Palindromifier constructive algorithms strings *1400	0 / 0	4
	655	P1422E Minlexes dp greedy implementation strings *2700	0 / 0	10
	624	P1426F Number of Subsequences combinatorics dp strings *2000	0 / 0	7
	613	P1428C ABBB brute force data structures greedy strings *1100	0 / 0	3
	602	P1430E String Reversal data structures greedy strings *1900	0 / 0	6
	591	P1431I Cyclic Shifts special problem strings 2900	0 / 0	10
	568	P1437G Death DBMS data structures string suffix structures strings trees *2600	0 / 0	10
	536	P1446B Catching Cheaters dp strings *1800	0 / 0	6
	516	P1451B Non-Substring Subsequence dp greedy implementation strings *900	0 / 0	3
	517	P1451C String Equality dp greedy hashing implementation strings *1400	0 / 0	4
	469	P1462B Last Year's Substring dp implementation strings *800	1 / 1	3
	454	P1466C Canine poetry dp greedy strings *1300	0 / 0	4
	450	P1466G Song of the Sirens combinatorics divide and conquer hashing math string suffix structures strings *2600	0 / 0	10
	424	P1469E A Bit Similar bitmasks brute force hashing string suffix structures strings two pointers *2400	0 / 0	9
	405	P1473B String LCM brute force math number theory strings *1000	0 / 0	3
	404	P1473D Program data structures dp implementation strings *1700	0 / 0	5
	383	P1476E Pattern Matching bitmasks data structures dfs and similar graphs hashing sortings strings *2300	0 / 0	8
	365	P1480A Yet Another String Game games greedy strings *800	1 / 1	3
	363	P1481A Space Navigation greedy strings *800	1 / 1	3
	296	P1493C K-beautiful Strings binary search brute force constructive algorithms greedy strings *2000	0 / 0	7
	294	P1493E Enormous XOR bitmasks constructive algorithms greedy math strings two pointers *2600	0 / 0	10
	280	P1496A Split it! brute force constructive algorithms greedy strings *900	1 / 1	3
	261	P1499E Chaotic Merge combinatorics dp math strings *2400	1 / 1	9
	244	P1504A Déjà Vu constructive algorithms strings *800	0 / 0	3
	231	P1506C Double-ended Strings brute force implementation strings *1000	0 / 0	3
	227	P1506G Maximize the Remaining String brute force data structures dp greedy strings *2000	0 / 0	7
	226	P1508A Binary Literature constructive algorithms greedy implementation strings two pointers *1900	0 / 0	6
	206	P1511D Min Cost String brute force constructive algorithms graphs greedy strings *1600	0 / 0	5
	204	P1511F Chainword brute force data structures dp matrices string suffix structures strings *2700	0 / 0	10
	201	P1512C A-B Palindrome constructive algorithms implementation strings *1200	1 / 1	4
	67	P1526D Kill Anton brute force constructive algorithms data structures math strings *2200	0 / 0	8
	8475	P1530E Minimax constructive algorithms greedy strings *2100	0 / 0	7
	7122	P1532F Prefixes and Suffixes *special problem strings	0 / 0	(无)
	31	P1535C Unstable String binary search dp greedy implementation strings two pointers *1400	0 / 0	4
	28	P1535F String Distance binary search brute force data structures hashing implementation strings *3000	0 / 0	10

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