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Problemset

162 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
2207F	Hanabi binary search data structures dp dsu flows graph matchings graphs greedy	2900	315
2196D	Double Bracket Sequence data structures dp expression parsing flows greedy strings	2500	1.1k
2147H	Maxflow GCD Coloring constructive algorithms flows graphs	3500	284
2127H	23 Rises Again brute force dfs and similar dp flows graph matchings graphs greedy implementation probabilities trees	3100	1.9k
2109F	Penguin Steps binary search dfs and similar flows graphs shortest paths	3000	284
2097F	Lost Luggage dp flows	3500	192
2089B1	Canteen (Easy Version) binary search data structures flows greedy two pointers	1900	3.3k
2089B2	Canteen (Hard Version) binary search data structures dp flows greedy two pointers	2300	1.3k
2068K	Amusement Park Rides flows graphs	3000	211
2062G	Permutation Factory flows geometry graph matchings graphs	3500	203
2061H1	Kevin and Stones (Easy Version) flows graph matchings graphs	3500	109
2061H2	Kevin and Stones (Hard Version) flows graphs	3500	71
2046D	For the Emperor! flows graphs	3100	558
2043D	Problem about GCD brute force flows math number theory	1800	7.9k
2038H	Galactic Council flows	3000	185
2029I	Variance Challenge flows graphs greedy	3400	170
2026E	Best Subsequence bitmasks dfs and similar flows graph matchings graphs	2500	2.1k
2025G	Variable Damage data structures flows	3000	234
2009F	Firefly's Queries bitmasks data structures flows math	1700	8.7k
1965F	Conference data structures flows	3300	298
1955H	The Most Reckless Defense bitmasks brute force constructive algorithms dp flows graph matchings shortest paths	2300	1.6k
1951I	Growing Trees binary search constructive algorithms flows graphs greedy	3200	118
1942H	Farmer John's Favorite Intern data structures dp flows trees	3500	262
1926G	Vlad and Trouble at MIT dfs and similar dp flows graphs greedy implementation trees	1900	4.7k
1919F2	Wine Factory (Hard Version) data structures dp flows greedy matrices	2800	1.2k
1913E	Matrix Problem flows graphs	2400	1.4k
1895G	Two Characters, Two Colors binary search data structures dp flows greedy	3100	405
1866G	Grouped Carriages binary search data structures dp flows greedy	2100	2.3k
1861F	Four Suits binary search bitmasks flows greedy	3200	338
1852F	Panda Meetups data structures dp flows	3500	151
1797A	Li Hua and Maze constructive algorithms flows graphs greedy implementation	800	19.7k
1783F	Double Sort II dfs and similar flows graph matchings graphs	2500	1.4k
1773D	Dominoes combinatorics flows graph matchings greedy	2600	649
1770D	Koxia and Game constructive algorithms data structures dfs and similar dsu flows games graph matchings graphs implementation	2000	4.5k
1766F	MCF flows	2800	383
1765A	Access Levels bitmasks dsu flows graph matchings	2400	880
1748E	Yet Another Array Counting Problem binary search data structures divide and conquer dp flows math trees	2300	2.8k
1746G	Olympiad Training binary search data structures dp flows geometry implementation sortings	3500	118
1741G	Kirill and Company bitmasks brute force dfs and similar dp flows graphs shortest paths	2200	2k
1728F	Fishermen flows graph matchings greedy	3100	519
1721F	Matching Reduction brute force constructive algorithms dfs and similar flows graph matchings graphs interactive	2800	641
1717F	Madoka and The First Session constructive algorithms flows graph matchings graphs implementation	2500	788
1709F	Multiset of Strings bitmasks brute force dp fft flows graphs math meet-in-the-middle trees	2500	729
1706C	Qpwoeirut And The City dp flows greedy implementation	1400	16.3k
1684G	Euclid Guess constructive algorithms flows graph matchings math number theory	2800	818
1682F	MCMF? data structures flows graphs greedy sortings two pointers	2700	471
1666K	Kingdom Partition flows	3200	366
1662J	Training Camp flows graphs	unrated	303
1630F	Making It Bipartite flows graph matchings graphs number theory	3400	984
1624C	Division by Two and Permutation constructive algorithms flows graph matchings greedy math	1100	27.1k
1615H	Reindeer Games binary search constructive algorithms data structures divide and conquer flows graphs shortest paths	3000	457
1592F2	Alice and Recoloring 2 constructive algorithms flows graph matchings greedy	2800	1k
1572D	Bridge Club flows graph matchings graphs greedy	2800	649
1549B	Gregor and the Pawn Game dfs and similar dp flows graph matchings graphs greedy implementation	800	27.2k
1533I	Excursions *special constructive algorithms dfs and similar flows graph matchings graphs	unrated	61
1530D	Secret Santa constructive algorithms flows graphs greedy math	1600	10.2k
1525D	Armchairs dp flows graph matchings greedy	1800	11k
1525F	Goblins And Gnomes brute force dp flows graph matchings	2800	452
1519F	Chests and Keys bitmasks brute force dfs and similar dp flows	3200	797
1517G	Starry Night Camping constructive algorithms flows graphs	3300	753
1510B	Button Lock flows graph matchings graphs	2600	982
1488I	Demonic Invasion *special flows	3100	50
1486E	Paired Payment binary search brute force constructive algorithms dp flows graphs shortest paths	2200	3.5k
1473F	Strange Set flows math	2700	1.2k
1455E	Four Points brute force constructive algorithms flows geometry greedy implementation math ternary search	2400	1.7k
1438C	Engineer Artem 2-sat chinese remainder theorem constructive algorithms fft flows	2000	11.8k
1437C	Chef Monocarp dp flows graph matchings greedy math sortings	1800	12.5k
1430G	Yet Another DAG Problem bitmasks dfs and similar dp flows graphs math	2600	949
1427G	One Billion Shades of Grey flows graphs	3300	512
1426E	Rock, Paper, Scissors brute force constructive algorithms flows greedy math	1800	8.2k
1423B	Valuable Paper binary search flows graph matchings graphs	1900	2.1k
1416F	Showing Off flows graph matchings greedy implementation	3300	712
1408H	Rainbow Triples binary search data structures flows greedy	3300	565
1404E	Bricks flows graph matchings graphs	2800	1.7k
1383F	Special Edges flows graphs	3200	455
1368H1	Breadboard Capacity (easy version) dp flows greedy	3300	468
1354F	Summoning Minions constructive algorithms dp flows graph matchings greedy sortings	2500	1.5k
1307G	Cow and Exercise flows graphs shortest paths	3100	745
1288F	Red-Blue Graph constructive algorithms flows	2900	701
1264E	Beautiful League constructive algorithms flows graph matchings	2700	963
1263F	Economic Difficulties data structures dfs and similar dp flows graphs trees	2400	982
1252L	Road Construction flows graphs	2300	668
1250K	Projectors flows graphs	3100	410
1214D	Treasure Island dfs and similar dp flows hashing	1900	7.2k
1198E	Rectangle Painting 2 flows graph matchings graphs	2500	1.3k
1187G	Gang Up flows graphs	2500	725
1184B2	The Doctor Meets Vader (Medium) flows graph matchings graphs shortest paths sortings	2200	709
1184B3	The Doctor Meets Vader (Hard) flows shortest paths	2700	286
1178H	Stock Exchange binary search flows graphs	3500	299
1146G	Zoning Restrictions dp flows graphs	2700	1.1k
1139E	Maximize Mex flows graph matchings graphs	2400	2.5k
1119B	Alyona and a Narrow Fridge binary search flows greedy sortings	1300	17.5k
1107F	Vasya and Endless Credits dp flows graph matchings graphs sortings	2600	1k
1090E	Horseback Riding flows graphs	2300	692
1082G	Petya and Graph flows graphs	2400	2.8k
1070I	Privatization of Roads in Berland flows graph matchings graphs	2400	801
1061E	Politics flows graphs	2600	648
1054F	Electric Scheme flows graph matchings	2700	427
1045A	Last chance data structures flows graph matchings graphs trees	2500	607
1034B	Little C Loves 3 II brute force constructive algorithms flows graph matchings	2200	2.3k

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