Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
46:36:21
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Before contest
Codeforces Round 941 (Div. 2)
46:36:21
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Problems

#	Name
1459A	Red-Blue Shuffle math, probabilities	800	x16761
1458C	Latin Square math, matrices	2700	x1197
1458A	Row GCD math, number theory	1600	x15904
1455E	Four Points brute force, constructive algorithms, flows, geometry, greedy, implementation, math, ternary search	2400	x1425
1455C	Ping-pong constructive algorithms, games, math	1100	x19205
1455B	Jumps constructive algorithms, math	1200	x21206
1455A	Strange Functions math, number theory	800	x25981
1454D	Number into Sequence constructive algorithms, math, number theory	1300	x19682
1453D	Checkpoints brute force, constructive algorithms, greedy, math, probabilities	1900	x4072
1452D	Radio Towers combinatorics, dp, math	1600	x7743
1452B	Toy Blocks binary search, greedy, math, sortings	1400	x14407
1452A	Robot Program math	800	x21769
1451E2	Bitwise Queries (Hard Version) bitmasks, constructive algorithms, interactive, math	2300	x2824
1451E1	Bitwise Queries (Easy Version) bitmasks, constructive algorithms, interactive, math	2000	x4182
1451D	Circle Game games, geometry, math	1700	x9238
1451A	Subtract or Divide greedy, math	800	x23898
1450H2	Multithreading (Hard Version) combinatorics, implementation, math	3300	x162
1450H1	Multithreading (Easy Version) combinatorics, fft, math	2900	x373
1450C2	Errich-Tac-Toe (Hard Version) constructive algorithms, math	2300	x3501
1450C1	Errich-Tac-Toe (Easy Version) constructive algorithms, math	2100	x5298
1447B	Numbers Box greedy, math	1000	x15103
1447A	Add Candies constructive algorithms, math	800	x13636
1445B	Elimination greedy, math	900	x15022
1444B	Divide and Sum combinatorics, math, sortings	1900	x6025
1444A	Division brute force, math, number theory	1500	x12526
1443E	Long Permutation brute force, math, two pointers	2400	x1223
1443B	Saving the City dp, greedy, math, sortings	1300	x15460
1443A	Kids Seating constructive algorithms, math	800	x16068
1440B	Sum of Medians greedy, math	900	x17269
1440A	Buy the String implementation, math	800	x19484
1438D	Powerful Ksenia bitmasks, constructive algorithms, math	2200	x4058
1437F	Emotional Fishermen combinatorics, dp, math, two pointers	2600	x1162
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10084
1437A	Marketing Scheme brute force, constructive algorithms, greedy, math	800	x17813
1436F	Sum Over Subsets combinatorics, math, number theory	2800	x490
1436B	Prime Square constructive algorithms, math	900	x20196
1436A	Reorder math	800	x22388
1433E	Two Round Dances combinatorics, math	1300	x17989
1433A	Boring Apartments implementation, math	800	x49106
1430G	Yet Another DAG Problem bitmasks, dfs and similar, dp, flows, graphs, math	2600	x620
1430C	Numbers on Whiteboard constructive algorithms, data structures, greedy, implementation, math	1000	x23271
1430A	Number of Apartments brute force, constructive algorithms, math	900	x20443
1428E	Carrots for Rabbits binary search, data structures, greedy, math, sortings	2200	x3494
1428A	Box is Pull math	800	x16151
1427E	Xum bitmasks, constructive algorithms, math, matrices, number theory	2500	x1258
1427A	Avoiding Zero math, sortings	900	x16817
1426E	Rock, Paper, Scissors brute force, constructive algorithms, flows, greedy, math	1800	x7211
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x19004
1426A	Floor Number implementation, math	800	x45374
1425D	Danger of Mad Snakes combinatorics, dp, math	2300	x802
1425C	Captain of Knights math	3100	x37
1423K	Lonely Numbers binary search, math, number theory, two pointers	1600	x4648
1423J	Bubble Cup hypothesis bitmasks, constructive algorithms, dp, math	2400	x731
1423F	Coins math	2700	x360
1422F	Boring Queries data structures, math, number theory	2700	x961
1422C	Bargain combinatorics, dp, math	1700	x8065
1422B	Nice Matrix greedy, implementation, math	1300	x14168
1422A	Fence geometry, math	800	x20613
1421D	Hexagons brute force, constructive algorithms, greedy, implementation, math, shortest paths	1900	x4046
1421A	XORwice bitmasks, greedy, math	800	x27095
1420B	Rock and Lever bitmasks, math	1200	x23524
1420A	Cubes Sorting math, sortings	900	x22817
1419E	Decryption constructive algorithms, implementation, math, number theory	2100	x3137
1419C	Killjoy greedy, implementation, math	1500	x14873
1419B	Stairs brute force, constructive algorithms, greedy, implementation, math	1200	x15939
1418F	Equal Product data structures, math, number theory, two pointers	3000	x352
1418A	Buying Torches math	1000	x21277
1417B	Two Arrays greedy, math, sortings	1100	x14318
1417A	Copy-paste greedy, math	800	x18037
1416C	XOR Inverse bitmasks, data structures, divide and conquer, dp, greedy, math, sortings, strings, trees	2000	x4161
1416B	Make Them Equal constructive algorithms, greedy, math	2000	x5893
1415E	New Game Plus! constructive algorithms, greedy, math	2200	x2568
1415A	Prison Break brute force, math	800	x14915
1413E	Solo mid Oracle greedy, math, ternary search	2100	x1905
1413A	Finding Sasuke constructive algorithms, math	800	x14576
1411G	No Game No Life bitmasks, games, math, matrices	2700	x578
1411F	The Thorny Path greedy, math	3000	x319
1411E	Poman Numbers bitmasks, greedy, math, strings	2300	x1553
1409D	Decrease the Sum of Digits greedy, math	1500	x18636
1409C	Yet Another Array Restoration brute force, math, number theory	1200	x22707
1409B	Minimum Product brute force, greedy, math	1100	x28198
1409A	Yet Another Two Integers Problem greedy, math	800	x62260
1408I	Bitwise Magic dp, math	3200	x164
1408C	Discrete Acceleration binary search, dp, implementation, math, two pointers	1500	x8617
1408B	Arrays Sum constructive algorithms, greedy, math	1400	x9749
1407C	Chocolate Bunny constructive algorithms, interactive, math, two pointers	1600	x11376
1407B	Big Vova brute force, greedy, math, number theory	1300	x16662
1407A	Ahahahahahahahaha constructive algorithms, math	1100	x20062
1406E	Deleting Numbers interactive, math, number theory	2600	x1541
1406D	Three Sequences constructive algorithms, data structures, greedy, math	2200	x3362
1406A	Subset Mex greedy, implementation, math	900	x20904
1404D	Game of Pairs constructive algorithms, dfs and similar, interactive, math, number theory	2800	x982
1403C	Chess Rush *special problem, combinatorics, dp, implementation, math	3200	x42
1402A	Fancy Fence *special problem, data structures, dsu, implementation, math, sortings	1800	x1134
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8843
1401C	Mere Array constructive algorithms, math, number theory, sortings	1300	x23387
1401B	Ternary Sequence constructive algorithms, greedy, math	1100	x20720
1401A	Distance and Axis constructive algorithms, math	900	x26863
1400G	Mercenaries bitmasks, brute force, combinatorics, dp, dsu, math, two pointers	2600	x892
1400D	Zigzags brute force, combinatorics, data structures, math, two pointers	1900	x9775