*2600 - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	2818	P1437F Emotional Fishermen combinatorics dp math two pointers *2600	0 / 0	10
	2817	P1437G Death DBMS data structures string suffix structures strings trees *2600	0 / 0	10
	2808	P1439B Graph Subset Problem constructive algorithms data structures graphs *2600	0 / 0	10
	2807	P1439C Greedy Shopping binary search data structures divide and conquer greedy implementation *2600	0 / 0	10
	2782	P1446D1 Frequency Problem (Easy Version) data structures greedy *2600	0 / 0	10
	2679	P1466G Song of the Sirens combinatorics divide and conquer hashing math string suffix structures strings *2600	0 / 0	10
	2628	P1469F Power Sockets binary search data structures greedy *2600	0 / 0	10
	2496	P1486F Pairs of Paths combinatorics data structures dfs and similar dp trees *2600	0 / 0	10
	2431	P1493E Enormous XOR bitmasks constructive algorithms greedy math strings two pointers *2600	0 / 0	10
	2430	P1493F Enchanted Matrix bitmasks interactive number theory *2600	0 / 0	10
	2413	P1495D BFS Trees combinatorics dfs and similar graphs math shortest paths trees *2600	0 / 0	10
	2368	P1500C Matrix Sorting bitmasks brute force constructive algorithms greedy two pointers *2600	0 / 0	10
	2353	P1503D Flip the Cards 2-sat constructive algorithms data structures greedy sortings two pointers *2600	0 / 0	10
	2342	P1505G Encoded message special problem implementation 2600	0 / 0	10
	2311	P1510B Button Lock flows graph matchings graphs *2600	0 / 0	10
	2258	P1515F Phoenix and Earthquake constructive algorithms dfs and similar dsu graphs greedy trees *2600	0 / 0	10
	2202	P1523E Crypto Lights combinatorics dp math probabilities *2600	0 / 0	10
	2148	P1530F Bingo bitmasks combinatorics dp math probabilities *2600	0 / 0	10
	2096	P1536F Omkar and Akmar chinese remainder theorem combinatorics constructive algorithms fft games geometry math meet-in-the-middle string suffix structures *2600	0 / 0	10
	2072	P1539F Strange Array data structures greedy sortings *2600	0 / 0	10
	1949	P1554E You dfs and similar dp math number theory *2600	0 / 0	10
	1924	P1558D Top-Notch Insertions combinatorics data structures *2600	0 / 0	10
	1887	P1566F Points Movement data structures dp greedy implementation sortings *2600	0 / 0	10
	1861	P1569E Playoff Restoration bitmasks brute force hashing implementation meet-in-the-middle *2600	0 / 0	10
	1805	P1575E Eye-Pleasing City Park Tour data structures trees *2600	0 / 0	10
	1764	P1580B Mathematics Curriculum brute force combinatorics dp trees *2600	0 / 0	10
	1749	P1582G Kuzya and Homework data structures number theory *2600	0 / 0	10
	1727	P1584F Strange LCS bitmasks dp graphs greedy strings *2600	0 / 0	10
	1701	P1592F1 Alice and Recoloring 1 constructive algorithms greedy *2600	0 / 0	10
	1663	P1599A Weights constructive algorithms greedy two pointers *2600	0 / 0	10
	1650	P1599J Bob's Beautiful Array bitmasks brute force greedy *2600	0 / 0	10
	1542	P1613F Tree Coloring combinatorics divide and conquer fft *2600	0 / 0	10
	1536	P1614E Divan and a Cottage binary search data structures *2600	0 / 0	10
	1313	P1651E Sum of Matchings brute force combinatorics constructive algorithms dfs and similar graph matchings greedy math *2600	0 / 0	10
	1298	P1656F Parametric MST binary search constructive algorithms graphs greedy math sortings *2600	0 / 0	10
	1289	P1657F Words on Tree 2-sat dfs and similar dsu graphs trees *2600	0 / 0	10
	1263	P1661F Teleporters binary search greedy *2600	0 / 0	10
	1141	P1679F Formalism for Formalism bitmasks dp math *2600	0 / 0	10
	1135	P1680F Lenient Vertex Cover dfs and similar divide and conquer dsu graphs trees *2600	0 / 0	10
	1130	P1681E Labyrinth Adventures data structures dp matrices shortest paths *2600	0 / 0	10
	1117	P1684F Diverse Segments data structures two pointers *2600	0 / 0	10
	1109	P1685C Bring Balance brute force constructive algorithms greedy *2600	0 / 0	10
	1019	P1696F Tree Recovery brute force constructive algorithms dfs and similar dsu graphs trees *2600	0 / 0	10
	982	P1699E Three Days Grace data structures dp greedy math number theory two pointers *2600	0 / 0	10
	977	P1700E Serega the Pirate brute force constructive algorithms *2600	0 / 0	10
	976	P1700F Puzzle constructive algorithms dp greedy *2600	0 / 0	10
	949	P1704F Colouring Game constructive algorithms dp games *2600	0 / 0	10
	768	P1736E Swap and Take dp greedy *2600	0 / 0	10
	740	P1739F Keyboard Design bitmasks data structures dp string suffix structures strings *2600	0 / 0	10
	732	P1740F Conditional Mix combinatorics dp math *2600	0 / 0	10
	551	P1762E Tree Sum combinatorics math trees *2600	0 / 0	10
	549	P1762F Good Pairs binary search data structures dp *2600	0 / 0	10
	512	P1765C Card Guessing combinatorics dp probabilities *2600	0 / 0	10
	505	P1765G Guess the String constructive algorithms interactive probabilities *2600	0 / 0	10
	432	P1773D Dominoes combinatorics flows graph matchings greedy *2600	0 / 0	10
	428	P1773H Hot and Cold binary search interactive *2600	0 / 0	10
	358	P1778F Maximizing Root dfs and similar dp graphs math number theory trees *2600	0 / 0	10
	241	P1793E Velepin and Marketing binary search data structures dp greedy sortings two pointers *2600	0 / 0	10
	239	P1793F Rebrending brute force data structures divide and conquer implementation *2600	0 / 0	10
	181	P1799G Count Voting combinatorics dp math *2600	0 / 0	10
	136	P1805F1 Survival of the Weakest (easy version) binary search brute force implementation math sortings *2600	0 / 0	10
	43	P1815D XOR Counting bitmasks combinatorics dp math *2600	0 / 0	10
	9820	P1827C Palindrome Partition binary search brute force data structures dp hashing strings *2600	0 / 0	10
	9937	P1835C Twin Clusters bitmasks brute force constructive algorithms math probabilities *2600	0 / 0	10
	9910	P1844F1 Min Cost Permutation (Easy Version) brute force constructive algorithms greedy math *2600	0 / 0	10
	9882	P1848E Vika and Stone Skipping brute force implementation math number theory *2600	0 / 0	10
	9976	P1858E2 Rollbacks (Hard Version) data structures interactive trees *2600	0 / 0	10
	10181	P1893D Colorful Constructive constructive algorithms data structures greedy *2600	0 / 0	10
	10172	P1895F Fancy Arrays combinatorics dp math matrices *2600	0 / 0	10
	10213	P1896F Bracket Xoring bitmasks constructive algorithms graph matchings implementation *2600	0 / 0	10
	10204	P1898F Vova Escapes the Matrix brute force dfs and similar divide and conquer shortest paths *2600	0 / 0	10
	10273	P1919E Counting Prefixes combinatorics constructive algorithms dp implementation math *2600	0 / 0	10
	10457	P1945H GCD is Greater brute force data structures math number theory *2600	0 / 0	10
	10590	P1970D2 Arithmancy (Medium) constructive algorithms interactive probabilities strings *2600	0 / 0	10
	10551	P1975F Set bitmasks brute force combinatorics dfs and similar divide and conquer dp math *2600	0 / 0	10
	10537	P1977E Tensor constructive algorithms graphs interactive *2600	0 / 0	10
	10673	P1982F Sorting Problem Again binary search data structures sortings *2600	0 / 0	10
	10640	P1987F2 Interesting Problem (Hard Version) dp *2600	0 / 0	10
	10744	P1990E2 Catch the Mole(Hard Version) binary search data structures dfs and similar divide and conquer interactive trees *2600	0 / 0	10
	10720	P1994G Minecraft bitmasks brute force dp graphs math *2600	0 / 0	10

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