Problemset - Codeforces

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Pinely Round 4 (Div. 1 + Div. 2)
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Problems

#	Name
981G	Magic multisets data structures	2500	x631
981F	Round Marriage binary search, graph matchings, greedy	2500	x705
981E	Addition on Segments bitmasks, data structures, divide and conquer, dp	2200	x2058
980F	Cactus to Tree dp, graphs, trees	2900	x195
980E	The Number Games data structures, greedy, trees	2200	x1897
980D	Perfect Groups dp, math, number theory	2100	x2630
979E	Kuro and Topological Parity dp	2400	x607
979D	Kuro and GCD and XOR and SUM binary search, bitmasks, brute force, data structures, dp, dsu, greedy, math, number theory, strings, trees	2200	x1748
976F	Minimal k-covering flows, graphs	2500	x564
976E	Well played! greedy, sortings	2100	x2366
976D	Degree Set constructive algorithms, graphs, implementation	2500	x674
975E	Hag's Khashba geometry	2600	x302
975D	Ghosts geometry, math	2000	x2125
965E	Short Code data structures, dp, greedy, strings, trees	2200	x1420
965C	Greedy Arkady math	2000	x2076
963E	Circles of Waiting math	3100	x541
963D	Frequency of String hashing, string suffix structures, strings	2500	x1888
963C	Cutting Rectangle brute force, math, number theory	2600	x563
963B	Destruction of a Tree constructive algorithms, dfs and similar, dp, greedy, trees	2000	x2737
962G	Visible Black Areas data structures, dsu, geometry, trees	2800	x177
962F	Simple Cycles Edges dfs and similar, graphs, trees	2400	x1277
962E	Byteland, Berland and Disputed Cities constructive algorithms, greedy	2200	x1051
961G	Partitions combinatorics, math, number theory	2700	x1326
961F	k-substrings binary search, hashing, string suffix structures	2700	x706
961D	Pair Of Lines geometry	2000	x4187
960H	Santa's Gift data structures, trees	3100	x260
960G	Bandit Blues combinatorics, dp, fft, math	2900	x1054
960F	Pathwalks data structures, dp, graphs	2100	x2903
960E	Alternating Tree combinatorics, dfs and similar, divide and conquer, dp, probabilities, trees	2300	x1889
960D	Full Binary Tree Queries brute force, implementation, trees	2100	x1869
959F	Mahmoud and Ehab and yet another xor task bitmasks, dp, math, matrices	2400	x2021
958F3	Lightsabers (hard) fft	2600	x680
958E3	Guard Duty (hard) geometry	2700	x182
958E2	Guard Duty (medium) binary search, dp, greedy, sortings	2200	x921
958D2	Hyperspace Jump (hard)	2700	x87
958C3	Encryption (hard) data structures, dp	2500	x530
958C2	Encryption (medium) dp	2000	x1202
958B2	Maximum Control (medium) data structures, dfs and similar, graphs, greedy, trees	2200	x625
958A3	Death Stars (hard)	3100	x45
958A2	Death Stars (medium) hashing, strings	2000	x884
955F	Heaps dp, trees	2600	x366
955E	Icicles	2900	x92
955D	Scissors brute force, strings	2600	x462
955C	Sad powers binary search, math, number theory	2100	x2678
954I	Yet Another String Matching Problem fft, math	2200	x996
954H	Path Counting combinatorics, dp	2500	x576
954G	Castle Defense binary search, data structures, greedy, two pointers	2000	x2116
954F	Runner's Problem dp, matrices, sortings	2100	x1186
954E	Water Taps binary search, greedy, sortings	2000	x1859
952G	Puzzling Language constructive algorithms	2200	x233
952F	2 + 2 != 4	2400	x381
952E	Cheese Board	2000	x632
949F	Astronomy geometry, probabilities	3300	x58
949E	Binary Cards brute force	2700	x631
949D	Curfew binary search, brute force, greedy, sortings	2300	x818
946G	Almost Increasing Array data structures, dp	2500	x661
946F	Fibonacci String Subsequences combinatorics, dp, matrices	2400	x538
946E	Largest Beautiful Number greedy, implementation	2200	x1084
940F	Machine Learning brute force, data structures	2600	x2525
940E	Cashback data structures, dp, greedy, math	2000	x3605
939F	Cutlet data structures, dp	2400	x909
938G	Shortest Path Queries bitmasks, data structures, dsu, graphs	2900	x875
938F	Erasing Substrings bitmasks, dp, greedy	2700	x476
938E	Max History combinatorics, math	2300	x1265
938D	Buy a Ticket data structures, graphs, shortest paths	2000	x5499
936E	Iqea data structures, dfs and similar, divide and conquer, dsu, shortest paths, trees	3400	x186
936D	World of Tank dp, greedy	3000	x328
936C	Lock Puzzle constructive algorithms, implementation, strings	2300	x1162
936B	Sleepy Game dfs and similar, dp, games, graphs	2100	x3222
935F	Fafa and Array data structures, greedy	2600	x361
935E	Fafa and Ancient Mathematics dfs and similar, dp, trees	2300	x875
933E	A Preponderant Reunion constructive algorithms, dp	3200	x186
933D	A Creative Cutout brute force, combinatorics, math	2900	x283
933C	A Colourful Prospect geometry, graphs	2700	x557
933B	A Determined Cleanup math	2000	x1902
932G	Palindrome Partition dp, string suffix structures, strings	2900	x905
932F	Escape Through Leaf data structures, dp, geometry	2700	x2802
932E	Team Work combinatorics, dp, math	2400	x2766
932D	Tree binary search, dp, trees	2200	x1677
930E	Coins Exhibition data structures, dp, math	2900	x416
930D	Game with Tokens data structures, games, implementation	2500	x403
929D	Пограничные врата	2400	x151
927A	BuberPool Taxi Optimization *special problem, interactive	2900	x1
926J	Segments data structures	2100	x379
926H	Endless Roses Most Beautiful	2200	x211
926F	Mobile Communications	2000	x225
925F	Parametric Circulation binary search, flows	3100	x109
925E	May Holidays data structures, trees	2900	x380
925D	Aztec Catacombs constructive algorithms	2600	x481
925C	Big Secret constructive algorithms, math	2200	x1290
924F	Minimal Subset Difference dp	3200	x164
924E	Wardrobe dp, greedy	2700	x510
924D	Contact ATC	2500	x827
923F	Public Service constructive algorithms, graphs, trees	3200	x74
923E	Perpetual Subtraction fft, math, matrices	3100	x445
923D	Picking Strings constructive algorithms, implementation, strings	2500	x1181
922F	Divisibility constructive algorithms, dp, greedy, number theory	2400	x629
922E	Birds dp	2200	x2069
92114	Labyrinth-14	3200
92113	Labyrinth-13	3200