Problemset - Codeforces

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Codeforces Round 976 (Div. 2) and Divide By Zero 9.0
04:07:10
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Problems

#	Name
345C	Counting Fridays *special problem	2000	x126
345B	Triskaidekaphobia *special problem	2100	x125
345A	Expecting Trouble *special problem, probabilities	1500	x484
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2900	x746
343D	Water Tree data structures, dfs and similar, graphs, trees	2100	x5753
343C	Read Time binary search, greedy, two pointers	1900	x3003
343B	Alternating Current data structures, greedy, implementation	1600	x13782
343A	Rational Resistance math, number theory	1600	x8726
342E	Xenia and Tree data structures, divide and conquer, trees	2400	x8339
342D	Xenia and Dominoes bitmasks, dfs and similar, dp	2100	x497
342C	Cupboard and Balloons geometry	1900	x1850
342B	Xenia and Spies brute force, greedy, implementation	1500	x4020
341E	Candies Game constructive algorithms, greedy	3000	x447
341D	Iahub and Xors data structures	2500	x1223
340E	Iahub and Permutations combinatorics, math	2000	x2465
340D	Bubble Sort Graph binary search, data structures, dp	1500	x7172
340C	Tourist Problem combinatorics, implementation, math	1600	x4223
340B	Maximal Area Quadrilateral brute force, geometry	2100	x2073
339E	Three Swaps constructive algorithms, dfs and similar, greedy	2700	x548
339D	Xenia and Bit Operations data structures, trees	1700	x25466
339C	Xenia and Weights constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	1700	x8301
338E	Optimize! data structures	2600	x983
338D	GCD Table chinese remainder theorem, math, number theory	2900	x1152
337E	Divisor Tree brute force, number theory, trees	2200	x1019
337D	Book of Evil dfs and similar, divide and conquer, dp, trees	2000	x6085
337C	Quiz binary search, greedy, math, matrices, number theory	1600	x4893
337B	Routine Problem greedy, math, number theory	1400	x9333
336E	Vasily the Bear and Painting Square bitmasks, combinatorics, dp, implementation	2700	x114
336D	Vasily the Bear and Beautiful Strings combinatorics, math, number theory	2100	x972
336C	Vasily the Bear and Sequence brute force, greedy, implementation, number theory	1800	x2456
336B	Vasily the Bear and Fly math	1900	x1216
335F	Buy One, Get One Free dp, greedy	3000	x527
335E	Counting Skyscrapers dp, math, probabilities	2800	x224
335D	Rectangles and Square brute force, dp	2400	x327
335C	More Reclamation games	2100	x528
335B	Palindrome constructive algorithms, dp	1900	x2089
335A	Banana binary search, constructive algorithms, greedy	1400	x2565
334B	Eight Point Sets sortings	1400	x3588
333E	Summer Earnings binary search, bitmasks, brute force, geometry, sortings	2500	x1125
333D	Characteristics of Rectangles binary search, bitmasks, brute force, implementation, sortings	2100	x2094
333C	Lucky Tickets brute force, constructive algorithms	2700	x383
333B	Chips greedy	1800	x2646
333A	Secrets greedy	1600	x4031
332E	Binary Key dp, greedy, implementation	2400	x299
332D	Theft of Blueprints graphs, math	2400	x385
332C	Students' Revenge data structures, greedy, sortings	2200	x907
332B	Maximum Absurdity data structures, dp, implementation	1500	x8004
331E2	Deja Vu constructive algorithms, dp	3100	x218
331E1	Deja Vu constructive algorithms, graphs, implementation	2900	x165
331D3	Escaping on Beaveractor data structures, implementation, trees	3000	x175
331D2	Escaping on Beaveractor graphs	2600	x135
331D1	Escaping on Beaveractor dfs and similar, implementation	2400	x205
331C3	The Great Julya Calendar dp	2500	x482
331C2	The Great Julya Calendar dp	2400	x381
331B2	Shave Beaver! data structures	1900	x719
331B1	Shave Beaver! implementation	1700	x733
331A2	Oh Sweet Beaverette data structures, sortings	1500	x1413
331A1	Oh Sweet Beaverette brute force, implementation	1400	x1363
329E	Evil math	3100	x169
329D	The Evil Temple and the Moving Rocks constructive algorithms	2500	x406
329C	Graph Reconstruction constructive algorithms	2400	x902
329B	Biridian Forest dfs and similar, shortest paths	1500	x6373
329A	Purification constructive algorithms, greedy	1500	x4637
328B	Sheldon and Ice Pieces greedy	1500	x1319
328A	IQ Test implementation	1800	x2064
327E	Axis Walking bitmasks, combinatorics, constructive algorithms, dp, meet-in-the-middle	2300	x1392
327D	Block Tower constructive algorithms, dfs and similar, graphs	1900	x2271
327C	Magic Five combinatorics, math	1700	x3197
325E	The Red Button combinatorics, dfs and similar, dsu, graphs, greedy	2800	x784
325D	Reclamation dsu	2900	x529
325C	Monsters and Diamonds dfs and similar, graphs, shortest paths	2600	x337
325B	Stadium and Games binary search, math	1800	x1524
325A	Square and Rectangles implementation	1500	x2156
323C	Two permutations data structures	2400	x590
323B	Tournament-graph constructive algorithms, graphs	2200	x393
323A	Black-and-White Cube combinatorics, constructive algorithms	1600	x737
322B	Ciel and Flowers combinatorics, math	1600	x11738
321E	Ciel and Gondolas data structures, divide and conquer, dp	2600	x4917
321D	Ciel and Flipboard dp, greedy, math	2900	x545
321C	Ciel the Commander constructive algorithms, dfs and similar, divide and conquer, greedy, trees	2100	x7212
321B	Ciel and Duel dp, flows, greedy	1900	x3084
321A	Ciel and Robot binary search, implementation, math	1700	x3618
320B	Ping-Pong (Easy Version) dfs and similar, graphs	1500	x7237
319E	Ping-Pong data structures	3000	x648
319D	Have You Ever Heard About the Word? greedy, hashing, string suffix structures, strings	2800	x653
319C	Kalila and Dimna in the Logging Industry dp, geometry	2100	x5173
319B	Psychos in a Line data structures, implementation	1900	x4145
319A	Malek Dance Club combinatorics, math	1600	x2792
317E	Princess and Her Shadow constructive algorithms, shortest paths	3100	x153
317D	Game with Powers dp, games	2300	x1059
317C	Balance constructive algorithms, dfs and similar, graphs, trees	2500	x500
317B	Ants brute force, implementation	2000	x1600
317A	Perfect Pair brute force	1600	x4642
316G3	Good Substrings string suffix structures	2400	x495
316G2	Good Substrings string suffix structures	2200	x473
316G1	Good Substrings hashing, strings	1700	x963
316F3	Suns and Rays constructive algorithms, dfs and similar, implementation	2200	x182
316F2	Suns and Rays	2300	x166
316F1	Suns and Rays dfs and similar, implementation	2200	x180
316E3	Summer Homework data structures, math	2300	x529