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Problemset

18 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2208D1	Tree Orientation (Easy Version) constructive algorithms dfs and similar dsu graphs greedy matrices trees	1800	4.8k
2181K	Knit the Grid 2-sat constructive algorithms graphs matrices	3500	89
2138E1	Determinant Construction (Easy Version) brute force constructive algorithms math matrices number theory	3100	270
2138E2	Determinant Construction (Hard Version) brute force constructive algorithms math matrices number theory	3100	197
2081C	Quaternary Matrix bitmasks constructive algorithms greedy implementation matrices	2700	372
1980E	Permutation of Rows and Columns constructive algorithms data structures greedy hashing implementation math matrices sortings	1600	13.3k
1844G	Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees	3000	1.2k
1761E	Make It Connected binary search brute force constructive algorithms dsu graphs greedy matrices trees two pointers	2400	2.2k
1699B	Almost Ternary Matrix bitmasks constructive algorithms matrices	900	22k
1672G	Cross Xor constructive algorithms graphs math matrices	3200	676
1427E	Xum bitmasks constructive algorithms math matrices number theory	2500	1.7k
1332E	Height All the Same combinatorics constructive algorithms math matrices	2100	4.4k
1025E	Colored Cubes constructive algorithms implementation matrices	2700	626
1023E	Down or Right constructive algorithms interactive matrices	2100	2.3k
1012B	Chemical table constructive algorithms dfs and similar dsu graphs matrices	1900	4.4k
582B	Once Again... constructive algorithms dp matrices	1900	3.7k
472F	Design Tutorial: Change the Goal constructive algorithms math matrices	2700	318
193C	Hamming Distance constructive algorithms greedy math matrices	2400	707

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