Problemset - Codeforces

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Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)
00:11:38
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Problems

#	Name
975D	Ghosts geometry, math	2000	x2118
965E	Short Code data structures, dp, greedy, strings, trees	2200	x1354
965D	Single-use Stones binary search, flows, greedy, two pointers	1900	x3044
965C	Greedy Arkady math	2000	x2074
963E	Circles of Waiting math	3100	x537
963D	Frequency of String hashing, string suffix structures, strings	2500	x1879
963C	Cutting Rectangle brute force, math, number theory	2600	x563
963B	Destruction of a Tree constructive algorithms, dfs and similar, dp, greedy, trees	2000	x2733
963A	Alternating Sum math, number theory	1800	x3258
962G	Visible Black Areas data structures, dsu, geometry, trees	2800	x175
962F	Simple Cycles Edges dfs and similar, graphs, trees	2400	x1266
962E	Byteland, Berland and Disputed Cities constructive algorithms, greedy	2200	x1051
961G	Partitions combinatorics, math, number theory	2700	x1321
961F	k-substrings binary search, hashing, string suffix structures	2700	x689
961E	Tufurama data structures	1900	x3488
961D	Pair Of Lines geometry	2000	x4172
960H	Santa's Gift data structures, trees	3100	x260
960G	Bandit Blues combinatorics, dp, fft, math	2900	x1051
960F	Pathwalks data structures, dp, graphs	2100	x2895
960E	Alternating Tree combinatorics, dfs and similar, divide and conquer, dp, probabilities, trees	2300	x1875
960D	Full Binary Tree Queries brute force, implementation, trees	2100	x1868
960C	Subsequence Counting bitmasks, constructive algorithms, greedy, implementation	1700	x3896
959F	Mahmoud and Ehab and yet another xor task bitmasks, dp, math, matrices	2400	x2012
959E	Mahmoud and Ehab and the xor-MST bitmasks, dp, graphs, implementation, math	1900	x3344
959D	Mahmoud and Ehab and another array construction task constructive algorithms, greedy, math, number theory	1900	x3068
958F3	Lightsabers (hard) fft	2600	x679
958F2	Lightsabers (medium) binary search, two pointers	1800	x1214
958E3	Guard Duty (hard) geometry	2700	x182
958E2	Guard Duty (medium) binary search, dp, greedy, sortings	2200	x914
958D2	Hyperspace Jump (hard)	2700	x87
958C3	Encryption (hard) data structures, dp	2500	x500
958C2	Encryption (medium) dp	2000	x1180
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	x882
955F	Heaps dp, trees	2600	x366
955E	Icicles	2900	x91
955D	Scissors brute force, strings	2600	x462
955C	Sad powers binary search, math, number theory	2100	x2672
954I	Yet Another String Matching Problem fft, math	2200	x992
954H	Path Counting combinatorics, dp	2500	x575
954G	Castle Defense binary search, data structures, greedy, two pointers	2000	x2107
954F	Runner's Problem dp, matrices, sortings	2100	x1183
954E	Water Taps binary search, greedy, sortings	2000	x1857
954C	Matrix Walk implementation	1700	x3753
952G	Puzzling Language constructive algorithms	2200	x233
952F	2 + 2 != 4	2400	x377
952E	Cheese Board	2000	x631
952D	I'm Feeling Lucky! probabilities	1800	x2421
952B	A Map of the Cat brute force, interactive	1900	x2024
949F	Astronomy geometry, probabilities	3300	x58
949E	Binary Cards brute force	2700	x628
949D	Curfew binary search, brute force, greedy, sortings	2300	x817
949C	Data Center Maintenance dfs and similar, graphs	1900	x2001
949B	A Leapfrog in the Array constructive algorithms, math	1700	x3661
946G	Almost Increasing Array data structures, dp	2500	x660
946F	Fibonacci String Subsequences combinatorics, dp, matrices	2400	x537
946E	Largest Beautiful Number greedy, implementation	2200	x1083
946D	Timetable dp	1800	x4311
940F	Machine Learning brute force, data structures	2600	x2505
940E	Cashback data structures, dp, greedy, math	2000	x3586
939F	Cutlet data structures, dp	2400	x909
939E	Maximize! binary search, greedy, ternary search, two pointers	1800	x3052
938G	Shortest Path Queries bitmasks, data structures, dsu, graphs	2900	x870
938F	Erasing Substrings bitmasks, dp, greedy	2700	x474
938E	Max History combinatorics, math	2300	x1244
938D	Buy a Ticket data structures, graphs, shortest paths	2000	x5480
938C	Constructing Tests binary search, brute force, constructive algorithms	1700	x3289
936E	Iqea data structures, dfs and similar, divide and conquer, dsu, shortest paths, trees	3400	x185
936D	World of Tank dp, greedy	3000	x327
936C	Lock Puzzle constructive algorithms, implementation, strings	2300	x1159
936B	Sleepy Game dfs and similar, dp, games, graphs	2100	x3219
936A	Save Energy! binary search, implementation, math	1700	x4339
935F	Fafa and Array data structures, greedy	2600	x361
935E	Fafa and Ancient Mathematics dfs and similar, dp, trees	2300	x869
935D	Fafa and Ancient Alphabet math, probabilities	1900	x2541
933E	A Preponderant Reunion constructive algorithms, dp	3200	x186
933D	A Creative Cutout brute force, combinatorics, math	2900	x282
933C	A Colourful Prospect geometry, graphs	2700	x557
933B	A Determined Cleanup math	2000	x1900
933A	A Twisty Movement dp	1800	x4874
932G	Palindrome Partition dp, string suffix structures, strings	2900	x904
932F	Escape Through Leaf data structures, dp, geometry	2700	x2782
932E	Team Work combinatorics, dp, math	2400	x2758
932D	Tree binary search, dp, trees	2200	x1674
931C	Laboratory Work implementation, math	1700	x3304
930E	Coins Exhibition data structures, dp, math	2900	x412
930D	Game with Tokens data structures, games, implementation	2500	x403
930C	Teodor is not a liar! data structures, dp	1900	x2091
929D	Пограничные врата	2400	x151
929C	Красивая команда *special problem, combinatorics, math	1700	x1150
928D	Autocompletion *special problem, strings, trees	1900	x804
928C	Dependency management *special problem, graphs, implementation	1900	x883
927A	BuberPool Taxi Optimization *special problem, interactive	2900	x1
926J	Segments data structures	2100	x378
926I	A Vital Problem	1700	x654
926H	Endless Roses Most Beautiful	2200	x210
926F	Mobile Communications	2000	x224
926E	Merge Equal Elements constructive algorithms, data structures	1900	x916
926C	Is This a Zebra? implementation	1700	x1872