Problemset - Codeforces

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Problems

#	Name
2011I	Stack and Queue *special problem, data structures, divide and conquer		x14
2011H	Strange Matrix *special problem, graphs, greedy		x45
2011G	Removal of a Permutation *special problem		x38
2011F	Good Subarray *special problem, data structures, greedy		x115
2011E	Rock-Paper-Scissors Bot *special problem, greedy, strings		x160
2011D	Among Wolves *special problem		x258
2011C	Split the Expression *special problem		x344
2011B	Shuffle *special problem		x620
2011A	Problem Solving *special problem		x1009
1958J	Necromancer *special problem	3200	x32
1958I	Equal Trees *special problem, graphs, meet-in-the-middle	3100	x34
1958H	Composite Spells *special problem, dp	2600	x79
1958G	Observation Towers *special problem	2400	x111
1958F	Narrow Paths *special problem, combinatorics	2000	x193
1958E	Yet Another Permutation Constructive *special problem, constructive algorithms	1900	x257
1958D	Staircase *special problem	1600	x534
1958C	Firewood *special problem	1500	x731
1958B	Clock in the Pool *special problem, math	1400	x905
1958A	1-3-5 *special problem, dp	1100	x1987
1953A	Accuracy-Preserving Summation Algorithm *special problem
1940D	Almost Certainly *special problem, constructive algorithms, data structures, sortings		x144
1940C	Burenka and Pether *special problem, data structures, dfs and similar, divide and conquer, dsu, graphs, sortings, trees		x35
1940B	Three Arrays *special problem, constructive algorithms, implementation, sortings		x207
1940A	Parallel Universes *special problem, constructive algorithms, dfs and similar, dsu, graphs		x84
1939D	Big Persimmon *special problem, dp, games		x100
1939C	More Gifts *special problem, dfs and similar, two pointers		x317
1939B	Evidence Board *special problem, constructive algorithms, dfs and similar, graphs, trees		x247
1939A	Draw Polygon Lines *special problem, constructive algorithms, dp, geometry, interactive		x24
1910J	Two Colors *special problem	2900	x48
1910I	Inverse Problem *special problem, combinatorics, dp	2700	x50
1910H	Sum of Digits of Sums *special problem, binary search, data structures	2400	x90
1910G	Pool Records *special problem, greedy	2700	x59
1910F	Build Railway Stations *special problem, greedy, trees	2000	x178
1910E	Maximum Sum Subarrays *special problem, dp	2100	x201
1910D	Remove and Add *special problem, greedy	1800	x358
1910C	Poisonous Swamp special problem, special problem, implementation, implementation	1600	x638
1910B	Security Guard *special problem, greedy	1600	x681
1910A	Username *special problem, implementation	1100	x1794
1885A	Deterministic Scheduling for Extended Reality over 5G and Beyond *special problem
1812J	Unmysterious Language *special problem, constructive algorithms, strings		x5969
1812I	Mountain Climber *special problem		x269
1812H	Expected Twist *special problem, interactive		x151
1812G	Colour Vision *special problem, implementation		x554
1812F	Factorization *special problem, number theory		x1263
1812E	Not a Geometry Problem special problem, special problem, constructive algorithms, geometry, math		x4026
1812D	Trivial Conjecture *special problem, constructive algorithms, math, number theory		x4672
1812C	Digits *special problem		x1274
1812B	Was it Rated? special problem, special problem, *special problem, brute force, implementation		x5722
1812A	Are You a Robot? special problem, special problem, *special problem, expression parsing, strings		x13338
1769D3	Игра в Девятку III *special problem, brute force	2300	x119
1769D2	Игра в Девятку II *special problem, brute force	2200	x197
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x384
1769C2	Подкрутка II *special problem, dp	1300	x975
1769C1	Подкрутка I *special problem, brute force, dp, greedy	1200	x976
1769B2	Копирование файлов II *special problem, binary search, brute force, math	1400	x884
1769B1	Копирование файлов I *special problem, brute force, implementation, math	1000	x1377
1769A	Узкая дорога *special problem, math	800	x1972
1663H	Cross-Language Program *special problem, constructive algorithms		x1284
1663G	Six Characters *special problem, constructive algorithms, strings		x212
1663F	In Every Generation... *special problem, strings		x348
1663E	Are You Safe? *special problem, implementation		x557
1663D	Is it rated - 3 *special problem, combinatorics, dp, math		x1414
1663C	Pōja Verdon *special problem, implementation, math		x5688
1663B	Mike's Sequence *special problem, divide and conquer, implementation, math		x3406
1663A	Who Tested? *special problem, expression parsing, trees		x10510
1576A	Communication Routing Challenge *special problem
1571J	Two Railroads *special problem	3000	x41
1571I	Physical Examination *special problem, binary search, data structures	3200	x59
1571H	Laser Beams *special problem, geometry, probabilities	2900	x49
1571G	A Battle Against a Dragon *special problem, data structures, dp	2500	x76
1571F	Kotlinforces *special problem, constructive algorithms, dp	2000	x202
1571E	Fix the String *special problem, bitmasks, dp, greedy	1700	x340
1571D	Sweepstake *special problem, brute force, constructive algorithms, implementation, math	1800	x335
1571C	Rhyme *special problem, implementation	1800	x380
1571B	Epic Novel *special problem, math	1300	x721
1571A	Sequence of Comparisons *special problem	800	x1325
1533J	Pawns *special problem		x44
1533I	Excursions *special problem, constructive algorithms, dfs and similar, flows, graph matchings, graphs		x52
1533H	Submatrices *special problem, bitmasks, data structures, dp		x84
1533G	Biome Map *special problem, constructive algorithms, dfs and similar, graphs		x90
1533F	Binary String Partition *special problem, binary search, greedy		x215
1533E	Chess Team Forming *special problem, binary search, data structures, greedy		x276
1533D	String Searching *special problem, hashing		x442
1533C	Sweets *special problem, data structures, implementation		x473
1533B	Nearest Point Function *special problem, implementation		x771
1533A	Travel to Bertown *special problem, implementation, math		x1077
1532F	Prefixes and Suffixes *special problem, strings		x218
1532E	Good Array *special problem		x390
1532D	Teams Forming *special problem, sortings		x585
1532C	Uniform String *special problem, implementation		x639
1532B	Frog Jumping *special problem, math		x824
1532A	A+B (Trial Problem) *special problem		x1136
1531E3	Сортировка слиянием *special problem, binary search		x269
1531E2	Сортировка слиянием special problem, special problem, brute force		x338
1531E1	Сортировка слиянием *special problem		x358
1531D	Редактируем Зингер \| color special problem, special problem		x353
1531C	Симметричный амфитеатр *special problem, constructive algorithms, dp		x650
1531B2	Мониторинг *special problem		x767
1531B1	Мониторинг special problem, special problem		x1111
1531A	Зингер \| color *special problem, implementation		x1450

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