Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
2 days
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Problems

#	Name
1639K	Treasure Hunt graphs, interactive
1639J	Treasure Hunt graphs, interactive
1639I	Treasure Hunt graphs, interactive
1639H	Treasure Hunt graphs, interactive
1639G	Treasure Hunt graphs, interactive
1639F	Treasure Hunt graphs, interactive
1639E	Treasure Hunt graphs, interactive
1639D	Treasure Hunt graphs, interactive
1639C	Treasure Hunt graphs, interactive
1639B	Treasure Hunt graphs, interactive
1639A	Treasure Hunt graphs, interactive
1940C	Burenka and Pether *special problem, data structures, dfs and similar, divide and conquer, dsu, graphs, sortings, trees		x32
1211I	Unusual Graph *special problem, graphs	3000	x34
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x37
683I	Loader *special problem, graphs	2500	x38
1533I	Excursions *special problem, constructive algorithms, dfs and similar, flows, graph matchings, graphs		x47
1340E	Nastya and Bees graphs, interactive, probabilities	3000	x52
1580E	Railway Construction brute force, constructive algorithms, data structures, graphs, shortest paths	3400	x64
175F	Gnomes of Might and Magic data structures, graphs, implementation, shortest paths	3000	x64
44F	BerPaint geometry, graphs	2700	x64
1170G	Graph Decomposition *special problem, graphs		x68
223D	Spider geometry, graphs	3000	x68
923F	Public Service constructive algorithms, graphs, trees	3200	x72
345D	Chain Letter *special problem, dfs and similar, graphs	2200	x75
1870H	Standard Graph Problem data structures, graphs, greedy, trees	3500	x77
1940A	Parallel Universes *special problem, constructive algorithms, dfs and similar, dsu, graphs		x78
1864I	Future Dominators graphs, greedy	3500	x82
648E	Собери число graphs, shortest paths	2300	x83
1889E	Doremy's Swapping Trees dfs and similar, graphs, trees	3500	x84
1533G	Biome Map *special problem, constructive algorithms, dfs and similar, graphs		x86
1218G	Alpha planetary system constructive algorithms, graphs, shortest paths	3000	x87
1090H	Linearization graphs	2900	x88
1656I	Neighbour Ordering constructive algorithms, graphs	3500	x93
730K	Roads Orientation Problem graphs	3200	x93
1089D	Distance Sum graphs	3100	x98
1266H	Red-Blue Graph dp, graphs, math, matrices, meet-in-the-middle	3400	x99
1718E	Impressionism constructive algorithms, graphs, implementation, math	3500	x102
1648F	Two Avenues data structures, dfs and similar, graphs	3500	x102
1876F	Indefinite Clownfish binary search, graphs	3500	x104
1740I	Arranging Crystal Balls data structures, divide and conquer, divide and conquer, dp, geometry, graphs, number theory	3500	x104
1089H	Harder Satisfiability 2-sat, dfs and similar, graphs	3400	x105
1218A	BubbleReactor dp, graphs	2800	x106
1599I	Desert data structures, graphs	2700	x112
1211F	kotlinkotlinkotlinkotlin... *special problem, graphs, implementation, strings	2300	x118
865E	Hex Dyslexia bitmasks, brute force, dp, graphs	3300	x118
737E	Tanya is 5! graph matchings, graphs, greedy, schedules	3300	x118
1156G	Optimizer graphs, greedy, hashing, implementation	2700	x120
1201E1	Knightmare (easy) graphs, interactive, shortest paths	2900	x125
331D2	Escaping on Beaveractor graphs	2600	x126
290F	Greedy Petya *special problem, dfs and similar, graphs, greedy	2800	x126
1242E	Planar Perimeter constructive algorithms, graphs	3200	x127
1423C	Dušan's Railway divide and conquer, graphs, trees	3500	x130
1503F	Balance the Cards constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation	3500	x133
1835F	Good Graph bitmasks, dfs and similar, graph matchings, graphs, implementation	3500	x137
804F	Fake bullions combinatorics, dfs and similar, dp, graphs, number theory	3400	x137
1201E2	Knightmare (hard) graphs, interactive, shortest paths	3000	x140
1534H	Lost Nodes constructive algorithms, dp, graphs, interactive, sortings, trees	3500	x143
871E	Restore the Tree graphs, greedy, trees	2900	x146
1250K	Projectors flows, graphs	3100	x150
1621H	Trains and Airplanes dfs and similar, graphs, shortest paths, trees	3500	x161
331E1	Deja Vu constructive algorithms, graphs, implementation	2900	x162
1284G	Seollal graphs	3300	x165
1236F	Alice and the Cactus dfs and similar, graphs, math, probabilities	3000	x167
1585G	Poachers dp, games, graphs, trees	2500	x169
45H	Road Problem graphs	2100	x174
1893E	Cacti Symphony combinatorics, dfs and similar, dp, graphs	3500	x176
1659F	Tree and Permutation Game dfs and similar, games, graphs, trees	3000	x177
982F	The Meeting Place Cannot Be Changed dfs and similar, graphs	2700	x181
1499G	Graph Coloring data structures, graphs, interactive	3100	x185
212A	Privatization flows, graphs	3000	x186
750H	New Year and Snowy Grid dfs and similar, dsu, graphs, interactive	3500	x187
223E	Planar Graph flows, geometry, graphs	3000	x187
42E	Baldman and the military dfs and similar, graphs, trees	2700	x187
167D	Wizards and Roads data structures, divide and conquer, graph matchings, graphs, greedy	3000	x189
980F	Cactus to Tree dp, graphs, trees	2900	x190
1662J	Training Camp flows, graphs		x193
1336F	Journey data structures, divide and conquer, graphs, trees	3500	x194
1402C	Star Trek *special problem, combinatorics, dfs and similar, dp, games, graphs, matrices, trees	2600	x195
855G	Harry Vs Voldemort dfs and similar, dp, graphs, trees	3300	x199
1392I	Kevin and Grid fft, graphs, math	3300	x202
1510C	Cactus Not Enough dfs and similar, graph matchings, graphs	2900	x204
1178H	Stock Exchange binary search, flows, graphs	3500	x206
1939B	Evidence Board *special problem, constructive algorithms, dfs and similar, graphs, trees		x208
1010F	Tree fft, graphs, trees	3400	x208
1956F	Nene and the Passing Game constructive algorithms, data structures, dsu, graphs, sortings	3000	x213
1815F	OH NO1 (-2-3-4) constructive algorithms, graphs, math	3500	x213
1089B	Bimatching graphs	3200	x214
1569F	Palindromic Hamiltonian Path brute force, dfs and similar, dp, graphs, hashing	3000	x226
1338E	JYPnation graphs	3500	x228
627F	Island Puzzle dfs and similar, dsu, graphs, trees	3400	x231
1616G	Just Add an Edge dfs and similar, dp, graphs	3500	x234
869D	The Overdosing Ubiquity brute force, dfs and similar, graphs	2800	x235
1056G	Take Metro brute force, data structures, graphs	2900	x238
1240F	Football graphs	3100	x240
1868D	Flower-like Pseudotree constructive algorithms, graphs, greedy, implementation, trees	3000	x244
1239F	Swiper, no swiping! graphs, implementation	3400	x245
173D	Deputies constructive algorithms, graphs, greedy, implementation	2500	x246
1427G	One Billion Shades of Grey flows, graphs	3300	x256
1466H	Finding satisfactory solutions combinatorics, dp, graphs, greedy, math	3300	x258
91D	Grocer's Problem constructive algorithms, graphs, greedy	2600	x260

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