Problemset - Codeforces

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IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2)
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Problems

#	Name
344B	Simple Molecules brute force, graphs, math	1200	x8955
344A	Magnets implementation	800	x126061
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2900	x772
343D	Water Tree data structures, dfs and similar, graphs, trees	2100	x5928
343C	Read Time binary search, greedy, two pointers	1900	x3035
343B	Alternating Current data structures, greedy, implementation	1600	x14223
343A	Rational Resistance math, number theory	1600	x8981
342E	Xenia and Tree data structures, divide and conquer, trees	2400	x8807
342D	Xenia and Dominoes bitmasks, dfs and similar, dp	2100	x506
342C	Cupboard and Balloons geometry	1900	x1864
342B	Xenia and Spies brute force, greedy, implementation	1500	x4043
342A	Xenia and Divisors greedy, implementation	1200	x12810
341E	Candies Game constructive algorithms, greedy	3000	x467
341D	Iahub and Xors data structures	2500	x1254
340E	Iahub and Permutations combinatorics, math	2000	x2493
340D	Bubble Sort Graph binary search, data structures, dp	1500	x7299
340C	Tourist Problem combinatorics, implementation, math	1600	x4292
340B	Maximal Area Quadrilateral brute force, geometry	2100	x2122
340A	The Wall math	1200	x7771
339E	Three Swaps constructive algorithms, dfs and similar, greedy	2700	x554
339D	Xenia and Bit Operations data structures, trees	1700	x26660
339C	Xenia and Weights constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	1700	x8388
339B	Xenia and Ringroad implementation	1000	x71643
339A	Helpful Maths greedy, implementation, sortings, strings	800	x224386
338E	Optimize! data structures	2600	x1022
338D	GCD Table chinese remainder theorem, math, number theory	2900	x1182
337E	Divisor Tree brute force, number theory, trees	2200	x1035
337D	Book of Evil dfs and similar, divide and conquer, dp, trees	2000	x6263
337C	Quiz binary search, greedy, math, matrices, number theory	1600	x4988
337B	Routine Problem greedy, math, number theory	1400	x9446
337A	Puzzles greedy	900	x82100
336E	Vasily the Bear and Painting Square bitmasks, combinatorics, dp, implementation	2700	x116
336D	Vasily the Bear and Beautiful Strings combinatorics, math, number theory	2100	x1041
336C	Vasily the Bear and Sequence brute force, greedy, implementation, number theory	1800	x2509
336B	Vasily the Bear and Fly math	1900	x1257
336A	Vasily the Bear and Triangle implementation, math	1000	x10200
335F	Buy One, Get One Free dp, greedy	3000	x634
335E	Counting Skyscrapers dp, math, probabilities	2800	x226
335D	Rectangles and Square brute force, dp	2400	x331
335C	More Reclamation games	2100	x542
335B	Palindrome constructive algorithms, dp	1900	x2117
335A	Banana binary search, constructive algorithms, greedy	1400	x2634
334B	Eight Point Sets sortings	1400	x3623
334A	Candy Bags implementation	1000	x18876
333E	Summer Earnings binary search, bitmasks, brute force, geometry, sortings	2500	x1158
333D	Characteristics of Rectangles binary search, bitmasks, brute force, implementation, sortings	2100	x2133
333C	Lucky Tickets brute force, constructive algorithms	2700	x392
333B	Chips greedy	1800	x2659
333A	Secrets greedy	1600	x4070
332E	Binary Key dp, greedy, implementation	2400	x307
332D	Theft of Blueprints graphs, math	2400	x387
332C	Students' Revenge data structures, greedy, sortings	2200	x937
332B	Maximum Absurdity data structures, dp, implementation	1500	x8119
332A	Down the Hatch! implementation	1300	x3596
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	x179
331D2	Escaping on Beaveractor graphs	2600	x136
331D1	Escaping on Beaveractor dfs and similar, implementation	2400	x206
331C3	The Great Julya Calendar dp	2500	x506
331C2	The Great Julya Calendar dp	2400	x396
331C1	The Great Julya Calendar dp	1100	x6320
331B2	Shave Beaver! data structures	1900	x743
331B1	Shave Beaver! implementation	1700	x757
331A2	Oh Sweet Beaverette data structures, sortings	1500	x1436
331A1	Oh Sweet Beaverette brute force, implementation	1400	x1400
330B	Road Construction constructive algorithms, graphs	1300	x17435
330A	Cakeminator brute force, implementation	800	x29102
329E	Evil math	3100	x169
329D	The Evil Temple and the Moving Rocks constructive algorithms	2500	x410
329C	Graph Reconstruction constructive algorithms	2400	x921
329B	Biridian Forest dfs and similar, shortest paths	1500	x6583
329A	Purification constructive algorithms, greedy	1500	x4664
328B	Sheldon and Ice Pieces greedy	1500	x1380
328A	IQ Test implementation	1800	x2137
327E	Axis Walking bitmasks, combinatorics, constructive algorithms, dp, meet-in-the-middle	2300	x1433
327D	Block Tower constructive algorithms, dfs and similar, graphs	1900	x2325
327C	Magic Five combinatorics, math	1700	x3249
327B	Hungry Sequence math	1200	x20046
327A	Flipping Game brute force, dp, implementation	1200	x43093
325E	The Red Button combinatorics, dfs and similar, dsu, graphs, greedy	2800	x842
325D	Reclamation dsu	2900	x544
325C	Monsters and Diamonds dfs and similar, graphs, shortest paths	2600	x351
325B	Stadium and Games binary search, math	1800	x1583
325A	Square and Rectangles implementation	1500	x2169
323C	Two permutations data structures	2400	x614
323B	Tournament-graph constructive algorithms, graphs	2200	x407
323A	Black-and-White Cube combinatorics, constructive algorithms	1600	x795
322B	Ciel and Flowers combinatorics, math	1600	x11962
322A	Ciel and Dancing greedy	1000	x8279
321E	Ciel and Gondolas data structures, divide and conquer, dp	2600	x5158
321D	Ciel and Flipboard dp, greedy, math	2900	x553
321C	Ciel the Commander constructive algorithms, dfs and similar, divide and conquer, greedy, trees	2100	x7580
321B	Ciel and Duel dp, flows, greedy	1900	x3201
321A	Ciel and Robot binary search, implementation, math	1700	x3659
320B	Ping-Pong (Easy Version) dfs and similar, graphs	1500	x7324
320A	Magic Numbers brute force, greedy	900	x39774
319E	Ping-Pong data structures	3000	x668
319D	Have You Ever Heard About the Word? greedy, hashing, string suffix structures, strings	2800	x676
319C	Kalila and Dimna in the Logging Industry dp, geometry	2100	x5372