Problemset - Codeforces

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brute force

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Problems

#	Name
1257F	Make Them Similar bitmasks, brute force, hashing, meet-in-the-middle	2400	x1936
1348E	Phoenix and Berries brute force, dp, greedy, math	2400	x1982
506D	Mr. Kitayuta's Colorful Graph brute force, dfs and similar, dsu, graphs	2400	x2028
1491E	Fib-tree brute force, dfs and similar, divide and conquer, number theory, trees	2400	x2042
1523D	Love-Hate bitmasks, brute force, dp, probabilities	2400	x2082
815C	Karen and Supermarket brute force, dp, trees	2400	x2464
1769D3	Игра в Девятку III *special problem, brute force	2300	x115
44I	Toys brute force, combinatorics	2300	x181
241F	Race brute force, implementation	2300	x259
518F	Pasha and Pipe binary search, brute force, combinatorics, dp, implementation	2300	x349
43E	Race brute force, implementation, two pointers	2300	x371
358E	Dima and Kicks brute force, dsu, graphs, implementation	2300	x386
1600F	Party Organization brute force, math, probabilities	2300	x433
316D1	PE Lesson brute force, dp	2300	x478
873E	Awards For Contestants brute force, data structures, dp	2300	x488
254D	Rats brute force, dfs and similar, graphs, implementation, shortest paths	2300	x497
852I	Dating brute force, dfs and similar, graphs, trees	2300	x554
424D	Biathlon Track binary search, brute force, constructive algorithms, data structures, dp	2300	x557
677E	Vanya and Balloons binary search, brute force, dp, implementation	2300	x581
364C	Beautiful Set brute force, number theory	2300	x582
89C	Chip Play brute force, data structures, implementation	2300	x609
594C	Edo and Magnets brute force, greedy, implementation, two pointers	2300	x673
1252J	Tiling Terrace brute force, dp	2300	x682
949D	Curfew binary search, brute force, greedy, sortings	2300	x811
1070G	Monsters and Potions brute force, dp, greedy, implementation	2300	x814
670F	Restore a Number brute force, constructive algorithms, strings	2300	x847
1933G	Turtle Magic: Royal Turtle Shell Pattern bitmasks, brute force, combinatorics, constructive algorithms, dfs and similar, math	2300	x861
142C	Help Caretaker brute force, dp	2300	x899
1200F	Graph Traveler brute force, data structures, dfs and similar, dp, graphs, implementation, math, number theory	2300	x911
460D	Little Victor and Set brute force, constructive algorithms, math	2300	x970
1955H	The Most Reckless Defense bitmasks, brute force, constructive algorithms, dp, flows, graph matchings, shortest paths	2300	x978
768F	Barrels and boxes brute force, combinatorics, math, number theory, probabilities	2300	x998
1379D	New Passenger Trams binary search, brute force, data structures, sortings, two pointers	2300	x1059
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1090
898F	Restoring the Expression brute force, hashing, math	2300	x1121
1766E	Decomposition binary search, brute force, data structures, divide and conquer, dp, two pointers	2300	x1125
830C	Bamboo Partition brute force, data structures, implementation, math, number theory, sortings, two pointers	2300	x1183
1797E	Li Hua and Array brute force, data structures, dsu, math, number theory, two pointers	2300	x1188
1781E	Rectangle Shrinking binary search, brute force, data structures, greedy, implementation, two pointers	2300	x1264
1780F	Three Chairs bitmasks, brute force, combinatorics, data structures, dp, number theory, sortings	2300	x1368
1004D	Sonya and Matrix brute force, constructive algorithms, implementation	2300	x1390
1594E2	Rubik's Cube Coloring (hard version) brute force, dp, implementation, math, trees	2300	x1447
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1452
1276C	Beautiful Rectangle brute force, combinatorics, constructive algorithms, data structures, greedy, math	2300	x1465
1929E	Sasha and the Happy Tree Cutting bitmasks, brute force, dfs and similar, dp, graphs, greedy, math, trees	2300	x1499
1798E	Multitest Generator brute force, dp	2300	x1502
1805E	There Should Be a Lot of Maximums brute force, data structures, dfs and similar, dp, trees, two pointers	2300	x1522
1928E	Modular Sequence brute force, constructive algorithms, dp, graphs, greedy, math, number theory	2300	x1532
1698E	PermutationForces II brute force, combinatorics, greedy, sortings, trees, two pointers	2300	x1572
1929F	Sasha and the Wedding Binary Search Tree brute force, combinatorics, data structures, dfs and similar, math, trees	2300	x1615
1610E	AmShZ and G.O.A.T. binary search, brute force, greedy, implementation, math	2300	x1627
1236D	Alice and the Doll brute force, data structures, greedy, implementation	2300	x1645
1728E	Red-Black Pepper brute force, data structures, greedy, math, number theory	2300	x1649
1285E	Delete a Segment brute force, constructive algorithms, data structures, dp, graphs, sortings, trees, two pointers	2300	x1664
1245F	Daniel and Spring Cleaning bitmasks, brute force, combinatorics, dp	2300	x1718
995C	Leaving the Bar brute force, data structures, geometry, greedy, math, sortings	2300	x1728
1190C	Tokitsukaze and Duel brute force, games, greedy	2300	x1786
1394B	Boboniu Walks on Graph brute force, dfs and similar, graphs, hashing	2300	x1788
1607F	Robot on the Board 2 brute force, dfs and similar, graphs, implementation	2300	x1887
85D	Sum of Medians binary search, brute force, data structures, implementation	2300	x1906
1705E	Mark and Professor Koro binary search, bitmasks, brute force, combinatorics, data structures, greedy	2300	x1978
1654E	Arithmetic Operations brute force, data structures, graphs, math	2300	x1990
1783E	Game of the Year brute force, data structures, math, number theory	2300	x2021
1712E1	LCM Sum (easy version) binary search, brute force, combinatorics, math, number theory, two pointers	2300	x2038
1870E	Another MEX Problem bitmasks, brute force, dp, shortest paths	2300	x2204
1658D2	388535 (Hard Version) bitmasks, brute force, data structures, math	2300	x2439
1540B	Tree Array brute force, combinatorics, dp, graphs, math, probabilities, trees	2300	x2488
1769D2	Игра в Девятку II *special problem, brute force	2200	x186
105C	Item World brute force, implementation, sortings	2200	x270
68C	Synchrophasotron brute force	2200	x303
65D	Harry Potter and the Sorting Hat brute force, dfs and similar, hashing	2200	x419
245G	Suggested Friends brute force, graphs	2200	x423
42C	Safe cracking brute force, constructive algorithms	2200	x444
71D	Solitaire brute force, implementation	2200	x599
366E	Dima and Magic Guitar brute force, implementation, math	2200	x743
47D	Safe brute force	2200	x743
350E	Wrong Floyd brute force, constructive algorithms, dfs and similar, graphs	2200	x745
1157G	Inverse of Rows and Columns brute force, constructive algorithms	2200	x870
868D	Huge Strings bitmasks, brute force, dp, implementation, strings	2200	x890
754C	Vladik and chat brute force, constructive algorithms, dp, implementation, strings	2200	x905
337E	Divisor Tree brute force, number theory, trees	2200	x1003
894D	Ralph And His Tour in Binary Country brute force, data structures, trees	2200	x1105
1921G	Mischievous Shooter brute force, data structures, divide and conquer, dp, implementation	2200	x1116
906B	Seating of Students brute force, constructive algorithms, math	2200	x1122
731D	80-th Level Archeology brute force, data structures, greedy, sortings	2200	x1147
113C	Double Happiness brute force, math, number theory	2200	x1201
691F	Couple Cover brute force, dp, number theory	2200	x1245
903E	Swapping Characters brute force, hashing, implementation, strings	2200	x1253
815B	Karen and Test brute force, combinatorics, constructive algorithms, math	2200	x1363
1666I	Interactive Treasure Hunt brute force, constructive algorithms, geometry, interactive, math	2200	x1383
1155E	Guess the Root brute force, interactive, math	2200	x1389
1741G	Kirill and Company bitmasks, brute force, dfs and similar, dp, flows, graphs, shortest paths	2200	x1418
448E	Divisors brute force, dfs and similar, implementation, number theory	2200	x1446
1153E	Serval and Snake binary search, brute force, interactive	2200	x1448
1659E	AND-MEX Walk bitmasks, brute force, constructive algorithms, dfs and similar, dsu, graphs	2200	x1462
743E	Vladik and cards binary search, bitmasks, brute force, dp	2200	x1470
1926F	Vlad and Avoiding X bitmasks, brute force, dfs and similar, dp, implementation	2200	x1472
538F	A Heap of Heaps brute force, data structures, math, sortings	2200	x1496
1789D	Serval and Shift-Shift-Shift bitmasks, brute force, constructive algorithms, implementation	2200	x1570
1105E	Helping Hiasat bitmasks, brute force, dp, meet-in-the-middle	2200	x1589