Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
22:35:45
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Before contest
Codeforces Round 941 (Div. 2)
22:35:44
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Problems

#	Name
1367F2	Flying Sort (Hard Version) binary search, data structures, dp, greedy, sortings, two pointers	2400	x1440
1550E	Stringforces binary search, bitmasks, brute force, dp, strings, two pointers	2500	x1438
1041F	Ray in the tube data structures, divide and conquer, dp, math	2500	x1438
182E	Wooden Fence dp	1800	x1423
258B	Little Elephant and Elections brute force, combinatorics, dp	1900	x1417
313D	Ilya and Roads dp	2100	x1414
1741G	Kirill and Company bitmasks, brute force, dfs and similar, dp, flows, graphs, shortest paths	2200	x1411
821E	Okabe and El Psy Kongroo dp, matrices	2100	x1410
279E	Beautiful Decomposition dp, games, greedy, number theory	1900	x1409
552E	Vanya and Brackets brute force, dp, expression parsing, greedy, implementation, strings	2100	x1408
1743F	Intersection and Union data structures, dp, matrices, probabilities	2300	x1407
1499E	Chaotic Merge combinatorics, dp, math, strings	2400	x1405
1132E	Knapsack dfs and similar, dp, greedy	2300	x1397
1088E	Ehab and a component choosing problem dp, greedy, math, trees	2400	x1395
500E	New Year Domino data structures, dp, dsu	2300	x1389
1854C	Expected Destruction combinatorics, dp, math, probabilities	2500	x1388
1572C	Paint dp, greedy	2700	x1387
416E	President's Path dp, graphs, shortest paths	2500	x1387
232B	Table bitmasks, combinatorics, dp, math	1900	x1386
1819C	The Fox and the Complete Tree Traversal constructive algorithms, dp, implementation, math, trees	2400	x1385
95E	Lucky Country dp, dsu, graphs	2500	x1382
1663D	Is it rated - 3 *special problem, combinatorics, dp, math		x1380
587B	Duff in Beach dp	2100	x1376
731E	Funny Game dp, games	2200	x1375
282D	Yet Another Number Game dp, games	2100	x1375
1650F	Vitaly and Advanced Useless Algorithms dp, greedy, implementation	2200	x1373
852B	Neural Network country dp, matrices	2000	x1369
1780F	Three Chairs bitmasks, brute force, combinatorics, data structures, dp, number theory, sortings	2300	x1368
850C	Arpa and a game with Mojtaba bitmasks, dp, games	2200	x1368
1096G	Lucky Tickets divide and conquer, dp, fft	2400	x1366
1601D	Difficult Mountain data structures, dp, greedy, sortings	2700	x1364
514E	Darth Vader and Tree dp, matrices	2200	x1363
261B	Maxim and Restaurant dp, math, probabilities	1900	x1360
1838E	Count Supersequences combinatorics, dp, math	2500	x1359
115E	Linear Kingdom Races data structures, dp	2400	x1357
1804E	Routing bitmasks, brute force, dfs and similar, dp, graphs	2400	x1354
1750E	Bracket Cost binary search, data structures, divide and conquer, dp, greedy, strings	2400	x1354
1901E	Compressed Tree dfs and similar, dp, graphs, greedy, sortings, trees	2200	x1351
1059E	Split the Tree binary search, data structures, dp, greedy, trees	2400	x1351
543C	Remembering Strings bitmasks, dp	2500	x1350
1174E	Ehab and the Expected GCD Problem combinatorics, dp, math, number theory	2500	x1349
327E	Axis Walking bitmasks, combinatorics, constructive algorithms, dp, meet-in-the-middle	2300	x1340
208B	Solitaire dfs and similar, dp	1900	x1339
1467E	Distinctive Roots in a Tree data structures, dfs and similar, dp, trees	2500	x1330
67D	Optical Experiment binary search, data structures, dp	1900	x1329
965E	Short Code data structures, dp, greedy, strings, trees	2200	x1327
1156F	Card Bag dp, math, probabilities	2300	x1326
1562E	Rescue Niwen! dp, greedy, string suffix structures, strings	2500	x1325
1598F	RBS binary search, bitmasks, brute force, data structures, dp	2400	x1322
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1320
825F	String Compression dp, hashing, string suffix structures, strings	2400	x1319
643C	Levels and Regions dp	2400	x1313
1387B1	Village (Minimum) *special problem, dp, greedy, trees	2100	x1306
576D	Flights for Regular Customers dp, matrices	2700	x1306
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1301
87C	Interesting Game dp, games, math	2000	x1301
1792E	Divisors and Table brute force, dfs and similar, dp, number theory	2400	x1300
1770E	Koxia and Tree combinatorics, dfs and similar, dp, dsu, math, probabilities, trees	2400	x1291
1666J	Job Lookup constructive algorithms, dp, shortest paths, trees	2100	x1291
201C	Fragile Bridges dp	2000	x1288
762D	Maximum path dp, greedy, implementation	2300	x1285
601C	Kleofáš and the n-thlon dp, math, probabilities	2300	x1285
1310D	Tourism dp, graphs, probabilities	2300	x1284
1906E	Merge Not Sort constructive algorithms, dp	1900	x1281
908G	New Year and Original Order dp, math	2800	x1280
1363F	Rotating Substrings dp, strings	2600	x1276
1304F2	Animal Observation (hard version) data structures, dp, greedy	2400	x1274
698C	LRU bitmasks, dp, math, probabilities	2400	x1273
1710C	XOR Triangle bitmasks, brute force, constructive algorithms, dp, greedy, math	2500	x1268
1065D	Three Pieces dfs and similar, dp, shortest paths	2200	x1268
755F	PolandBall and Gifts bitmasks, dp, greedy	2600	x1268
757D	Felicity's Big Secret Revealed bitmasks, dp	2200	x1267
1109D	Sasha and Interesting Fact from Graph Theory brute force, combinatorics, dp, math, trees	2400	x1264
757E	Bash Plays with Functions brute force, combinatorics, dp, number theory	2500	x1264
111C	Petya and Spiders bitmasks, dp, dsu	2100	x1262
1237E	Balanced Binary Search Trees dp, math	2400	x1261
1845E	Boxes and Balls dp, implementation, math	2500	x1258
1120D	Power Tree dfs and similar, dp, dsu, graphs, greedy, trees	2500	x1258
804D	Expected diameter of a tree binary search, brute force, dfs and similar, dp, sortings, trees	2500	x1256
1101F	Trucks and Cities binary search, dp	2400	x1252
765E	Tree Folding dfs and similar, dp, greedy, implementation, trees	2200	x1246
1808E1	Minibuses on Venus (easy version) combinatorics, divide and conquer, dp	2200	x1244
691F	Couple Cover brute force, dp, number theory	2200	x1244
1499F	Diameter Cuts combinatorics, dfs and similar, dp, trees	2400	x1243
54C	First Digit Law dp, math, probabilities	2000	x1242
1824C	LuoTianyi and XOR-Tree data structures, dfs and similar, dp, dsu, greedy, trees	2500	x1240
1776B	Vittorio Plays with LEGO Bricks dp, geometry	2200	x1238
1814E	Chain Chips data structures, dp, matrices	2300	x1232
283C	Coin Troubles dp	2100	x1230
1736C2	Good Subarrays (Hard Version) binary search, data structures, dp, two pointers	2400	x1229
1575L	Longest Array Deconstruction data structures, divide and conquer, dp, sortings	2100	x1224
724E	Goods transportation dp, flows, greedy	2900	x1223
516D	Drazil and Morning Exercise dfs and similar, dp, dsu, trees, two pointers	2800	x1222
696D	Legen... data structures, dp, matrices, strings	2500	x1217
645E	Intellectual Inquiry dp, greedy, strings	2200	x1215
1779F	Xorcerer's Stones bitmasks, constructive algorithms, dp, trees	2500	x1214
1485E	Move and Swap dfs and similar, dp, greedy, trees	2500	x1213
1163D	Mysterious Code dp, strings	2100	x1210
258D	Little Elephant and Broken Sorting dp, math, probabilities	2600	x1209
1914G2	Light Bulbs (Hard Version) combinatorics, data structures, dfs and similar, dp, graphs, hashing	2300	x1208