Problemset - Codeforces

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Problems

#	Name
26D	Tickets combinatorics, math, probabilities	2400	x745
995D	Game math	2500	x744
590E	Birthday graph matchings, strings	3200	x744
386C	Diverse Substrings dp, strings, two pointers	2000	x744
147B	Smile House binary search, graphs, matrices	2500	x744
913E	Logical Expression bitmasks, dp, shortest paths	2400	x743
444E	DZY Loves Planting binary search, dsu, trees	2700	x743
366E	Dima and Magic Guitar brute force, implementation, math	2200	x743
47D	Safe brute force	2200	x743
235E	Number Challenge combinatorics, dp, implementation, math, number theory	2600	x741
1848E	Vika and Stone Skipping brute force, implementation, math, number theory	2600	x740
1775F	Laboratory on Pluto constructive algorithms, dp, greedy, math	2500	x740
1505D	Xenolith? Hippodrome? *special problem, number theory	1800	x739
196C	Paint Tree constructive algorithms, divide and conquer, geometry, sortings, trees	2200	x739
47C	Crossword implementation	2000	x739
837F	Prefix Sums binary search, brute force, combinatorics, math, matrices	2400	x738
1919F2	Wine Factory (Hard Version) data structures, dp, flows, greedy, matrices	2800	x737
1844F1	Min Cost Permutation (Easy Version) brute force, constructive algorithms, greedy, math	2600	x737
54B	Cutting Jigsaw Puzzle hashing, implementation	1800	x737
300D	Painting Square dp, fft	2300	x736
1720E	Misha and Paintings constructive algorithms, data structures, greedy, implementation, math	2700	x735
397B	On Corruption and Numbers constructive algorithms, implementation, math		x735
1898F	Vova Escapes the Matrix brute force, dfs and similar, divide and conquer, shortest paths	2600	x734
1423J	Bubble Cup hypothesis bitmasks, constructive algorithms, dp, math	2400	x734
628F	Bear and Fair Set flows, graphs	2500	x734
542F	Quest dp, greedy	2100	x734
908E	New Year and Entity Enumeration bitmasks, combinatorics, dp, math	2500	x733
794F	Leha and security system data structures	2800	x733
1781F	Bracket Insertion combinatorics, dp, math, trees	2700	x732
600F	Edge coloring of bipartite graph graphs	2800	x731
509D	Restoring Numbers constructive algorithms, math	2200	x731
1422E	Minlexes dp, greedy, implementation, strings	2700	x730
1773B	BinCoin binary search, divide and conquer, hashing, implementation, probabilities, trees	2200	x729
784G	BF Calculator *special problem	2000	x729
1567F	One-Four Overload 2-sat, constructive algorithms, dfs and similar, dsu, graphs, implementation	2700	x728
1147D	Palindrome XOR dfs and similar, graphs	2400	x728
1609F	Interesting Sections data structures, divide and conquer, meet-in-the-middle, two pointers	2800	x727
1267I	Intriguing Selection brute force, constructive algorithms, implementation, interactive, sortings	2600	x727
809C	Find a car combinatorics, divide and conquer, dp	2600	x726
1303G	Sum of Prefix Sums data structures, divide and conquer, geometry, trees	2700	x725
582C	Superior Periodic Subarrays number theory	2400	x725
50C	Happy Farm 5 geometry	2000	x725
1658F	Juju and Binary String brute force, constructive algorithms, greedy, math	2700	x724
1208G	Polygons greedy, math, number theory	2800	x724
178B1	Greedy Merchants	1600	x724
1491G	Switch and Flip constructive algorithms, graphs, math	2800	x723
746F	Music in Car data structures, greedy, two pointers	2200	x722
630O	Arrow geometry	2000	x722
1107F	Vasya and Endless Credits dp, flows, graph matchings, graphs, sortings	2600	x721
1354G	Find a Gift binary search, interactive, probabilities	2600	x719
809E	Surprise me! divide and conquer, math, number theory, trees	3100	x719
323A	Black-and-White Cube combinatorics, constructive algorithms	1600	x719
266E	More Queries to Array... data structures, math	2500	x719
501E	Misha and Palindrome Degree binary search, combinatorics, implementation	2500	x718
1949F	Dating greedy, sortings, trees	2200	x717
331B1	Shave Beaver! implementation	1700	x717
1312F	Attack on Red Kingdom games, two pointers	2500	x716
656E	Out of Controls *special problem	2000	x716
283E	Cow Tennis Tournament combinatorics, data structures, math	2800	x716
111D	Petya and Coloring combinatorics, dp	2300	x716
633G	Yash And Trees bitmasks, data structures, dfs and similar, math, number theory	2800	x715
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x714
15D	Map data structures, implementation, sortings	2500	x714
58D	Calendar greedy, strings	2000	x713
1510B	Button Lock flows, graph matchings, graphs	2600	x710
126C	E-reader Display constructive algorithms, greedy	2000	x710
536D	Tavas in Kansas dp, games	2900	x709
266D	BerDonalds graphs, math, shortest paths	2400	x709
1250G	Discarding Game dp, greedy, two pointers	2300	x708
1185G2	Playlist for Polycarp (hard version) combinatorics, dp	2600	x708
730E	Award Ceremony greedy, implementation	2200	x708
522C	Chicken or Fish? greedy	2100	x708
1055E	Segments on the Line binary search, dp	2500	x707
180D	Name greedy, strings	1900	x706
1903D2	Maximum And Queries (hard version) bitmasks, divide and conquer, dp, greedy	2500	x705
1413F	Roads and Ramen data structures, trees	2800	x705
182C	Optimal Sum data structures, greedy	2000	x705
1821F	Timber combinatorics, dp, fft, math	2600	x704
1809F	Traveling in Berland binary search, data structures, graphs, greedy, implementation	2500	x704
1626F	A Random Code Problem combinatorics, dp, math, number theory, probabilities	2800	x704
1098D	Eels data structures	2800	x704
1001B	Generate Bell state *special problem	1400	x704
763C	Timofey and remoduling brute force, implementation, math, number theory	2600	x703
188B	A + Reverse B *special problem, implementation	1300	x703
1827D	Two Centroids data structures, dfs and similar, greedy, trees	2800	x701
620F	Xors on Segments data structures, strings, trees	2800	x701
35E	Parade data structures, sortings	2100	x701
1511G	Chips on a Board bitmasks, brute force, data structures, dp, games, two pointers	2700	x700
986E	Prince's Problem brute force, data structures, math, number theory, trees	2800	x699
1681E	Labyrinth Adventures data structures, dp, matrices, shortest paths	2600	x698
1322D	Reality Show bitmasks, dp	2800	x698
1799G	Count Voting combinatorics, dp, math	2600	x697
1004F	Sonya and Bitwise OR bitmasks, data structures, divide and conquer	2600	x695
838B	Diverging Directions data structures, dfs and similar, trees	2100	x695
708D	Incorrect Flow flows	2900	x695
500F	New Year Shopping divide and conquer, dp	2700	x695
1431C	Black Friday *special problem, implementation	1600	x694
1195F	Geometers Anonymous Club data structures, geometry, math, sortings	2500	x694
566C	Logistical Questions dfs and similar, divide and conquer, trees	3000	x694
61C	Capture Valerian math	2000	x692