Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)
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Problems

#	Name
979B	Treasure Hunt greedy	1800	x4439
978G	Petya's Exams greedy, implementation, sortings	1700	x4402
977F	Consecutive Subsequence dp	1700	x19602
976F	Minimal k-covering flows, graphs	2500	x585
976E	Well played! greedy, sortings	2100	x2413
976D	Degree Set constructive algorithms, graphs, implementation	2500	x689
975E	Hag's Khashba geometry	2600	x310
975D	Ghosts geometry, math	2000	x2226
965E	Short Code data structures, dp, greedy, strings, trees	2200	x1503
965D	Single-use Stones binary search, flows, greedy, two pointers	1900	x3116
965C	Greedy Arkady math	2000	x2116
963E	Circles of Waiting math	3100	x551
963D	Frequency of String hashing, string suffix structures, strings	2500	x2074
963C	Cutting Rectangle brute force, math, number theory	2600	x592
963B	Destruction of a Tree constructive algorithms, dfs and similar, dp, greedy, trees	2000	x2849
963A	Alternating Sum math, number theory	1800	x3337
962G	Visible Black Areas data structures, dsu, geometry, trees	2800	x183
962F	Simple Cycles Edges dfs and similar, graphs, trees	2400	x1355
962E	Byteland, Berland and Disputed Cities constructive algorithms, greedy	2200	x1093
962D	Merge Equals data structures, implementation	1600	x6926
961G	Partitions combinatorics, math, number theory	2700	x1367
961F	k-substrings binary search, hashing, string suffix structures	2700	x812
961E	Tufurama data structures	1900	x3688
961D	Pair Of Lines geometry	2000	x4346
960H	Santa's Gift data structures, trees	3100	x290
960G	Bandit Blues combinatorics, dp, fft, math	2900	x1074
960F	Pathwalks data structures, dp, graphs	2100	x2998
960E	Alternating Tree combinatorics, dfs and similar, divide and conquer, dp, probabilities, trees	2300	x1960
960D	Full Binary Tree Queries brute force, implementation, trees	2100	x1885
960C	Subsequence Counting bitmasks, constructive algorithms, greedy, implementation	1700	x3936
959F	Mahmoud and Ehab and yet another xor task bitmasks, dp, math, matrices	2400	x2155
959E	Mahmoud and Ehab and the xor-MST bitmasks, dp, graphs, implementation, math	1900	x3445
959D	Mahmoud and Ehab and another array construction task constructive algorithms, greedy, math, number theory	1900	x3102
958F3	Lightsabers (hard) fft	2600	x705
958F2	Lightsabers (medium) binary search, two pointers	1800	x1240
958E3	Guard Duty (hard) geometry	2700	x195
958E2	Guard Duty (medium) binary search, dp, greedy, sortings	2200	x978
958E1	Guard Duty (easy) brute force, geometry, greedy, math	1600	x1545
958D2	Hyperspace Jump (hard)	2700	x88
958C3	Encryption (hard) data structures, dp	2500	x593
958C2	Encryption (medium) dp	2000	x1265
958B2	Maximum Control (medium) data structures, dfs and similar, graphs, greedy, trees	2200	x678
958A3	Death Stars (hard)	3100	x46
958A2	Death Stars (medium) hashing, strings	2000	x922
955F	Heaps dp, trees	2600	x380
955E	Icicles	2900	x95
955D	Scissors brute force, strings	2600	x482
955C	Sad powers binary search, math, number theory	2100	x2717
954I	Yet Another String Matching Problem fft, math	2200	x1032
954H	Path Counting combinatorics, dp	2500	x591
954G	Castle Defense binary search, data structures, greedy, two pointers	2000	x2171
954F	Runner's Problem dp, matrices, sortings	2100	x1219
954E	Water Taps binary search, greedy, sortings	2000	x1922
954D	Fight Against Traffic dfs and similar, graphs, shortest paths	1600	x6708
954C	Matrix Walk implementation	1700	x3796
952G	Puzzling Language constructive algorithms	2200	x238
952F	2 + 2 != 4	2400	x397
952E	Cheese Board	2000	x642
952D	I'm Feeling Lucky! probabilities	1800	x2453
952C	Ravioli Sort implementation	1600	x2914
952B	A Map of the Cat brute force, interactive	1900	x2059
949F	Astronomy geometry, probabilities	3300	x59
949E	Binary Cards brute force	2700	x648
949D	Curfew binary search, brute force, greedy, sortings	2300	x832
949C	Data Center Maintenance dfs and similar, graphs	1900	x2083
949B	A Leapfrog in the Array constructive algorithms, math	1700	x3733
949A	Zebras greedy	1600	x5410
946G	Almost Increasing Array data structures, dp	2500	x696
946F	Fibonacci String Subsequences combinatorics, dp, matrices	2400	x572
946E	Largest Beautiful Number greedy, implementation	2200	x1108
946D	Timetable dp	1800	x4475
940F	Machine Learning brute force, data structures	2600	x2670
940E	Cashback data structures, dp, greedy, math	2000	x3800
940D	Alena And The Heater binary search, implementation	1600	x3640
939F	Cutlet data structures, dp	2400	x982
939E	Maximize! binary search, greedy, ternary search, two pointers	1800	x3165
939D	Love Rescue dfs and similar, dsu, graphs, greedy, strings	1600	x7367
939C	Convenient For Everybody binary search, two pointers	1600	x4645
938G	Shortest Path Queries bitmasks, data structures, dsu, graphs	2900	x918
938F	Erasing Substrings bitmasks, dp, greedy	2700	x508
938E	Max History combinatorics, math	2300	x1332
938D	Buy a Ticket data structures, graphs, shortest paths	2000	x5776
938C	Constructing Tests binary search, brute force, constructive algorithms	1700	x3326
936E	Iqea data structures, dfs and similar, divide and conquer, dsu, shortest paths, trees	3400	x199
936D	World of Tank dp, greedy	3000	x332
936C	Lock Puzzle constructive algorithms, implementation, strings	2300	x1183
936B	Sleepy Game dfs and similar, dp, games, graphs	2100	x3274
936A	Save Energy! binary search, implementation, math	1700	x4372
935F	Fafa and Array data structures, greedy	2600	x368
935E	Fafa and Ancient Mathematics dfs and similar, dp, trees	2300	x899
935D	Fafa and Ancient Alphabet math, probabilities	1900	x2644
935C	Fifa and Fafa geometry	1600	x4763
933E	A Preponderant Reunion constructive algorithms, dp	3200	x226
933D	A Creative Cutout brute force, combinatorics, math	2900	x333
933C	A Colourful Prospect geometry, graphs	2700	x585
933B	A Determined Cleanup math	2000	x1928
933A	A Twisty Movement dp	1800	x4997
932G	Palindrome Partition dp, string suffix structures, strings	2900	x955
932F	Escape Through Leaf data structures, dp, geometry	2700	x2988
932E	Team Work combinatorics, dp, math	2400	x2900