Problemset - Codeforces

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Problems

#	Name
1056B	Divide Candies math, number theory	1600	x4083
772A	Voltage Keepsake binary search, math	1800	x4078
1438D	Powerful Ksenia bitmasks, constructive algorithms, math	2200	x4074
112B	Petya and Square implementation, math	1200	x4072
1144E	Median String bitmasks, math, number theory, strings	1900	x4064
1421D	Hexagons brute force, constructive algorithms, greedy, implementation, math, shortest paths	1900	x4053
1618F	Reverse bitmasks, constructive algorithms, dfs and similar, implementation, math, strings	2000	x4048
1389D	Segment Intersections brute force, greedy, implementation, math	2100	x4033
1650E	Rescheduling the Exam binary search, data structures, greedy, implementation, math, sortings	1900	x4029
1250L	Divide The Students binary search, greedy, math	1500	x4029
1117D	Magic Gems dp, math, matrices	2100	x4029
1677B	Tokitsukaze and Meeting data structures, implementation, math	1700	x4027
1872G	Replace With Product brute force, greedy, math	2000	x4014
1909D	Split Plus K greedy, math, number theory	1900	x4012
1729F	Kirei and the Linear Function hashing, math	1900	x4006
483B	Friends and Presents binary search, math	1800	x3997
1333F	Kate and imperfection greedy, implementation, math, number theory, sortings, two pointers	2200	x3979
724B	Batch Sort brute force, greedy, implementation, math	1500	x3979
1621D	The Winter Hike constructive algorithms, greedy, math	2100	x3976
1250H	Happy Birthday math	1500	x3975
150B	Quantity of Strings combinatorics, dfs and similar, graphs, math	1600	x3972
627A	XOR Equation dp, math	1700	x3960
1322B	Present binary search, bitmasks, constructive algorithms, data structures, math, sortings	2100	x3954
1812E	Not a Geometry Problem special problem, special problem, constructive algorithms, geometry, math		x3951
557C	Arthur and Table brute force, data structures, dp, greedy, math, sortings	1900	x3942
1138B	Circus brute force, greedy, math, strings	1800	x3941
558C	Amr and Chemistry brute force, graphs, greedy, math, shortest paths	1900	x3936
272B	Dima and Sequence implementation, math	1400	x3918
226A	Flying Saucer Segments math	1400	x3910
1659D	Reverse Sort Sum constructive algorithms, data structures, greedy, implementation, math, two pointers	1900	x3887
1622D	Shuffle combinatorics, math, two pointers	2000	x3882
1474D	Cleaning data structures, dp, greedy, math	2200	x3879
189B	Counting Rhombi brute force, math	1300	x3877
1062D	Fun with Integers dfs and similar, graphs, implementation, math	1800	x3869
449A	Jzzhu and Chocolate greedy, math	1700	x3866
40A	Find Color constructive algorithms, geometry, implementation, math	1300	x3864
486D	Valid Sets dfs and similar, dp, math, trees	2100	x3858
1696E	Placing Jinas combinatorics, math	2000	x3852
1363D	Guess The Maximums binary search, implementation, interactive, math	2100	x3833
758C	Unfair Poll binary search, constructive algorithms, implementation, math	1700	x3822
1878F	Vasilije Loves Number Theory brute force, math, number theory	1900	x3811
615D	Multipliers math, number theory	2000	x3811
1110E	Magic Stones constructive algorithms, math, sortings	2200	x3807
1626D	Martial Arts Tournament binary search, brute force, greedy, math	2100	x3794
813B	The Golden Age brute force, math	1800	x3789
1928D	Lonely Mountain Dungeons brute force, data structures, greedy, math, ternary search	1900	x3782
1280B	Beingawesomeism implementation, math	1800	x3763
638A	Home Numbers *special problem, constructive algorithms, math	1100	x3760
39D	Cubical Planet math	1100	x3760
1029D	Concatenated Multiples implementation, math	1900	x3758
1900D	Small GCD bitmasks, brute force, dp, math, number theory	2000	x3743
1788D	Moving Dots binary search, brute force, combinatorics, math, two pointers	2000	x3737
1578E	Easy Scheduling implementation, math	1200	x3734
1891D	Suspicious logarithms binary search, brute force, math	1900	x3724
1957D	A BIT of an Inequality bitmasks, brute force, dp, math	1900	x3723
1759F	All Possible Digits binary search, data structures, greedy, math, number theory	1800	x3723
1665D	GCD Guess bitmasks, chinese remainder theorem, constructive algorithms, games, interactive, math, number theory	2000	x3721
535C	Tavas and Karafs binary search, greedy, math	1900	x3706
903D	Almost Difference data structures, math	2200	x3700
1220D	Alex and Julian bitmasks, math, number theory	1900	x3692
926A	2-3-numbers implementation, math	1300	x3685
746C	Tram constructive algorithms, implementation, math	1600	x3685
1107D	Compression dp, implementation, math, number theory	1800	x3683
20B	Equation math	2000	x3666
1823D	Unique Palindromes constructive algorithms, math, strings	1900	x3665
372C	Watching Fireworks is Fun data structures, dp, math	2100	x3645
949B	A Leapfrog in the Array constructive algorithms, math	1700	x3640
1585D	Yet Another Sorting Problem data structures, math	1900	x3637
729D	Sea Battle constructive algorithms, greedy, math	1700	x3629
1157D	N Problems During K Days constructive algorithms, greedy, math	1900	x3618
1332E	Height All the Same combinatorics, constructive algorithms, math, matrices	2100	x3614
1582E	Pchelyonok and Segments binary search, data structures, dp, greedy, math	2000	x3598
120C	Winnie-the-Pooh and honey implementation, math	1100	x3587
1955G	GCD on a grid brute force, dfs and similar, dp, implementation, math, number theory	1900	x3571
1060D	Social Circles greedy, math	1900	x3568
321A	Ciel and Robot binary search, implementation, math	1700	x3553
1467D	Sum of Paths combinatorics, dp, math	2200	x3544
471C	MUH and House of Cards binary search, brute force, greedy, math	1700	x3538
1867E1	Salyg1n and Array (simple version) constructive algorithms, interactive, math	2000	x3534
1584D	Guess the Permutation binary search, combinatorics, interactive, math	2000	x3532
1163C2	Power Transmission (Hard Edition) data structures, geometry, implementation, math	1900	x3532
1905D	Cyclic MEX data structures, implementation, math, two pointers	2000	x3531
566F	Clique in the Divisibility Graph dp, math, number theory	1500	x3529
1450C2	Errich-Tac-Toe (Hard Version) constructive algorithms, math	2300	x3521
1428E	Carrots for Rabbits binary search, data structures, greedy, math, sortings	2200	x3518
280C	Game on Tree implementation, math, probabilities, trees	2200	x3516
1567E	Non-Decreasing Dilemma data structures, divide and conquer, math	2200	x3511
622F	The Sum of the k-th Powers math	2600	x3494
883M	Quadcopter Competition greedy, math	1100	x3493
546E	Soldier and Traveling flows, graphs, math	2100	x3490
269A	Magical Boxes greedy, math	1600	x3478
917A	The Monster dp, greedy, implementation, math	1800	x3476
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3474
630L	Cracking the Code implementation, math	1400	x3453
581D	Three Logos bitmasks, brute force, constructive algorithms, geometry, implementation, math	1700	x3443
940E	Cashback data structures, dp, greedy, math	2000	x3436
194B	Square math	1200	x3434
895B	XK Segments binary search, math, sortings, two pointers	1700	x3427
1969D	Shop Game data structures, greedy, math, sortings	1900	x3420
842C	Ilya And The Tree dfs and similar, graphs, math, number theory, trees	2000	x3418