Problem Set - *2600 - SAST OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	2519	P1437F Emotional Fishermen combinatorics dp math two pointers *2600	0 / 0	10
	2518	P1437G Death DBMS data structures string suffix structures strings trees *2600	0 / 0	10
	2509	P1439B Graph Subset Problem constructive algorithms data structures graphs *2600	0 / 0	10
	2508	P1439C Greedy Shopping binary search data structures divide and conquer greedy implementation *2600	0 / 0	10
	2483	P1446D1 Frequency Problem (Easy Version) data structures greedy *2600	0 / 0	10
	2399	P1466G Song of the Sirens combinatorics divide and conquer hashing math string suffix structures strings *2600	0 / 0	10
	2372	P1469F Power Sockets binary search data structures greedy *2600	0 / 0	10
	2286	P1486F Pairs of Paths combinatorics data structures dfs and similar dp trees *2600	0 / 0	10
	2243	P1493E Enormous XOR bitmasks constructive algorithms greedy math strings two pointers *2600	0 / 0	10
	2242	P1493F Enchanted Matrix bitmasks interactive number theory *2600	0 / 0	10
	2232	P1495D BFS Trees combinatorics dfs and similar graphs math shortest paths trees *2600	0 / 0	10
	2205	P1500C Matrix Sorting bitmasks brute force constructive algorithms greedy two pointers *2600	0 / 0	10
	2196	P1503D Flip the Cards 2-sat constructive algorithms data structures greedy sortings two pointers *2600	0 / 0	10
	2185	P1505G Encoded message special problem implementation 2600	0 / 0	10
	2165	P1510B Button Lock flows graph matchings graphs *2600	0 / 0	10
	2125	P1515F Phoenix and Earthquake constructive algorithms dfs and similar dsu graphs greedy trees *2600	0 / 0	10
	2085	P1523E Crypto Lights combinatorics dp math probabilities *2600	0 / 0	10
	2049	P1530F Bingo bitmasks combinatorics dp math probabilities *2600	0 / 0	10
	2010	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
	1990	P1539F Strange Array data structures greedy sortings *2600	0 / 0	10
	1909	P1554E You dfs and similar dp math number theory *2600	0 / 0	10
	1886	P1558D Top-Notch Insertions combinatorics data structures *2600	0 / 0	10
	1854	P1566F Points Movement data structures dp greedy implementation sortings *2600	0 / 0	10
	1841	P1569E Playoff Restoration bitmasks brute force hashing implementation meet-in-the-middle *2600	0 / 0	10
	1811	P1575E Eye-Pleasing City Park Tour data structures trees *2600	0 / 0	10
	1779	P1580B Mathematics Curriculum brute force combinatorics dp trees *2600	0 / 0	10
	1765	P1582G Kuzya and Homework data structures number theory *2600	0 / 0	10
	1751	P1584F Strange LCS bitmasks dp graphs greedy strings *2600	0 / 0	10
	1735	P1592F1 Alice and Recoloring 1 constructive algorithms greedy *2600	0 / 0	10
	1711	P1599A Weights constructive algorithms greedy two pointers *2600	0 / 0	10
	1702	P1599J Bob's Beautiful Array bitmasks brute force greedy *2600	0 / 0	10
	1618	P1613F Tree Coloring combinatorics divide and conquer fft *2600	0 / 0	10
	1612	P1614E Divan and a Cottage binary search data structures *2600	0 / 0	10
	1411	P1651E Sum of Matchings brute force combinatorics constructive algorithms dfs and similar graph matchings greedy math *2600	0 / 0	10
	1396	P1656F Parametric MST binary search constructive algorithms graphs greedy math sortings *2600	0 / 0	10
	1387	P1657F Words on Tree 2-sat dfs and similar dsu graphs trees *2600	0 / 0	10
	1361	P1661F Teleporters binary search greedy *2600	0 / 0	10
	1239	P1679F Formalism for Formalism bitmasks dp math *2600	0 / 0	10
	1233	P1680F Lenient Vertex Cover dfs and similar divide and conquer dsu graphs trees *2600	0 / 0	10
	1228	P1681E Labyrinth Adventures data structures dp matrices shortest paths *2600	0 / 0	10
	1215	P1684F Diverse Segments data structures two pointers *2600	0 / 0	10
	1210	P1685C Bring Balance brute force constructive algorithms greedy *2600	0 / 0	10
	1150	P1696F Tree Recovery brute force constructive algorithms dfs and similar dsu graphs trees *2600	0 / 0	10
	1130	P1699E Three Days Grace data structures dp greedy math number theory two pointers *2600	0 / 0	10
	1125	P1700E Serega the Pirate brute force constructive algorithms *2600	0 / 0	10
	1124	P1700F Puzzle constructive algorithms dp greedy *2600	0 / 0	10
	1097	P1704F Colouring Game constructive algorithms dp games *2600	0 / 0	10
	916	P1736E Swap and Take dp greedy *2600	0 / 0	10
	895	P1739F Keyboard Design bitmasks data structures dp string suffix structures strings *2600	0 / 0	10
	889	P1740F Conditional Mix combinatorics dp math *2600	0 / 0	10
	783	P1762E Tree Sum combinatorics math trees *2600	0 / 0	10
	782	P1762F Good Pairs binary search data structures dp *2600	0 / 0	10
	762	P1765C Card Guessing combinatorics dp probabilities *2600	0 / 0	10
	758	P1765G Guess the String constructive algorithms interactive probabilities *2600	0 / 0	10
	715	P1773D Dominoes combinatorics flows graph matchings greedy *2600	0 / 0	10
	711	P1773H Hot and Cold binary search interactive *2600	0 / 0	10
	665	P1778F Maximizing Root dfs and similar dp graphs math number theory trees *2600	0 / 0	10
	578	P1793E Velepin and Marketing binary search data structures dp greedy sortings two pointers *2600	0 / 0	10
	577	P1793F Rebrending brute force data structures divide and conquer implementation *2600	0 / 0	10
	539	P1799G Count Voting combinatorics dp math *2600	0 / 0	10
	506	P1805F1 Survival of the Weakest (easy version) binary search brute force implementation math sortings *2600	0 / 0	10
	440	P1815D XOR Counting bitmasks combinatorics dp math *2600	0 / 0	10
	414	P1821F Timber combinatorics dp fft math *2600	0 / 0	10
	400	P1823F Random Walk dp graphs math probabilities trees *2600	0 / 0	10
	382	P1827C Palindrome Partition binary search brute force data structures dp hashing strings *2600	0 / 0	10
	338	P1835C Twin Clusters bitmasks brute force constructive algorithms math probabilities *2600	0 / 0	10
	280	P1844F1 Min Cost Permutation (Easy Version) brute force constructive algorithms greedy math *2600	0 / 0	10
	252	P1848E Vika and Stone Skipping brute force implementation math number theory *2600	0 / 0	10
	194	P1858E2 Rollbacks (Hard Version) data structures interactive trees *2600	0 / 0	10
	163	P1863F Divide, XOR, and Conquer bitmasks dp math *2600	0 / 0	10
	26	P1889C2 Doremy's Drying Plan (Hard Version) data structures dp *2600	0 / 0	10
	11	P1893D Colorful Constructive constructive algorithms data structures greedy math *2600	0 / 0	10
	2	P1895F Fancy Arrays combinatorics dp math matrices *2600	0 / 0	10
	6698	P1905F Field Should Not Be Empty brute force data structures divide and conquer *2600	0 / 0	10
	6618	P1906B Button Pressing bitmasks constructive algorithms hashing *2600	0 / 0	10
	7321	P1919E Counting Prefixes combinatorics constructive algorithms dp math *2600	0 / 0	10
	9389	P1957F1 Frequency Mismatch (Easy Version) binary search data structures divide and conquer hashing probabilities trees *2600	0 / 0	10
	9380	P1958H Composite Spells special problem dp 2600	0 / 0	10
	9337	P1970D2 Arithmancy (Medium) constructive algorithms interactive probabilities strings *2600	0 / 0	10

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