Problemset - Codeforces

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Codeforces Round 974 (Div. 3)
16:49:45
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Problems

#	Name
958E3	Guard Duty (hard) geometry	2700	x182
958E2	Guard Duty (medium) binary search, dp, greedy, sortings	2200	x941
958E1	Guard Duty (easy) brute force, geometry, greedy, math	1600	x1505
958D2	Hyperspace Jump (hard)	2700	x87
958D1	Hyperspace Jump (easy) expression parsing, math	1400	x2062
958C3	Encryption (hard) data structures, dp	2500	x538
958C2	Encryption (medium) dp	2000	x1247
958C1	Encryption (easy) brute force	1200	x2888
958B2	Maximum Control (medium) data structures, dfs and similar, graphs, greedy, trees	2200	x638
958B1	Maximum Control (easy) implementation	1000	x3402
958A3	Death Stars (hard)	3100	x45
958A2	Death Stars (medium) hashing, strings	2000	x898
958A1	Death Stars (easy) implementation	1400	x1655
957A	Tritonic Iridescence implementation	1300	x5749
955F	Heaps dp, trees	2600	x372
955E	Icicles	2900	x94
955D	Scissors brute force, strings	2600	x479
955C	Sad powers binary search, math, number theory	2100	x2699
955B	Not simply beatiful strings implementation	1400	x4813
955A	Feed the cat greedy, math	1100	x6647
954I	Yet Another String Matching Problem fft, math	2200	x1015
954H	Path Counting combinatorics, dp	2500	x584
954G	Castle Defense binary search, data structures, greedy, two pointers	2000	x2140
954F	Runner's Problem dp, matrices, sortings	2100	x1208
954E	Water Taps binary search, greedy, sortings	2000	x1883
954D	Fight Against Traffic dfs and similar, graphs, shortest paths	1600	x6580
954C	Matrix Walk implementation	1700	x3777
954B	String Typing implementation, strings	1400	x7235
954A	Diagonal Walking implementation	800	x10492
952G	Puzzling Language constructive algorithms	2200	x234
952F	2 + 2 != 4	2400	x387
952E	Cheese Board	2000	x636
952D	I'm Feeling Lucky! probabilities	1800	x2440
952C	Ravioli Sort implementation	1600	x2902
952B	A Map of the Cat brute force, interactive	1900	x2043
952A	Quirky Quantifiers math	800	x11215
950B	Intercepted Message greedy, implementation	1100	x7567
950A	Left-handers, Right-handers and Ambidexters implementation, math	800	x15228
949F	Astronomy geometry, probabilities	3300	x59
949E	Binary Cards brute force	2700	x637
949D	Curfew binary search, brute force, greedy, sortings	2300	x821
949C	Data Center Maintenance dfs and similar, graphs	1900	x2041
949B	A Leapfrog in the Array constructive algorithms, math	1700	x3717
949A	Zebras greedy	1600	x5349
948A	Protect Sheep brute force, dfs and similar, graphs, implementation	900	x13693
946G	Almost Increasing Array data structures, dp	2500	x668
946F	Fibonacci String Subsequences combinatorics, dp, matrices	2400	x557
946E	Largest Beautiful Number greedy, implementation	2200	x1093
946D	Timetable dp	1800	x4362
946C	String Transformation greedy, strings	1300	x8855
946B	Weird Subtraction Process math, number theory	1100	x10839
946A	Partition greedy	800	x16336
940F	Machine Learning brute force, data structures	2600	x2599
940E	Cashback data structures, dp, greedy, math	2000	x3698
940D	Alena And The Heater binary search, implementation	1600	x3615
940C	Phone Numbers constructive algorithms, implementation, strings	1500	x5787
940B	Our Tanya is Crying Out Loud dp, greedy	1400	x8960
940A	Points on the line brute force, greedy, sortings	1200	x8252
939F	Cutlet data structures, dp	2400	x926
939E	Maximize! binary search, greedy, ternary search, two pointers	1800	x3106
939D	Love Rescue dfs and similar, dsu, graphs, greedy, strings	1600	x7293
939C	Convenient For Everybody binary search, two pointers	1600	x4622
939B	Hamster Farm implementation	1000	x10481
939A	Love Triangle graphs	800	x25067
938G	Shortest Path Queries bitmasks, data structures, dsu, graphs	2900	x901
938F	Erasing Substrings bitmasks, dp, greedy	2700	x494
938E	Max History combinatorics, math	2300	x1304
938D	Buy a Ticket data structures, graphs, shortest paths	2000	x5618
938C	Constructing Tests binary search, brute force, constructive algorithms	1700	x3310
938B	Run For Your Prize brute force, greedy	1100	x8818
938A	Word Correction implementation	800	x11423
937B	Vile Grasshoppers brute force, math, number theory	1400	x6874
937A	Olympiad implementation, sortings	800	x15134
936E	Iqea data structures, dfs and similar, divide and conquer, dsu, shortest paths, trees	3400	x188
936D	World of Tank dp, greedy	3000	x329
936C	Lock Puzzle constructive algorithms, implementation, strings	2300	x1171
936B	Sleepy Game dfs and similar, dp, games, graphs	2100	x3252
936A	Save Energy! binary search, implementation, math	1700	x4361
935F	Fafa and Array data structures, greedy	2600	x364
935E	Fafa and Ancient Mathematics dfs and similar, dp, trees	2300	x887
935D	Fafa and Ancient Alphabet math, probabilities	1900	x2568
935C	Fifa and Fafa geometry	1600	x4729
935B	Fafa and the Gates implementation	900	x11522
935A	Fafa and his Company brute force, implementation	800	x42750
934B	A Prosperous Lot constructive algorithms, implementation	1200	x8651
934A	A Compatible Pair brute force, games	1400	x6972
933E	A Preponderant Reunion constructive algorithms, dp	3200	x191
933D	A Creative Cutout brute force, combinatorics, math	2900	x284
933C	A Colourful Prospect geometry, graphs	2700	x574
933B	A Determined Cleanup math	2000	x1911
933A	A Twisty Movement dp	1800	x4952
932G	Palindrome Partition dp, string suffix structures, strings	2900	x924
932F	Escape Through Leaf data structures, dp, geometry	2700	x2878
932E	Team Work combinatorics, dp, math	2400	x2797
932D	Tree binary search, dp, trees	2200	x1697
932C	Permutation Cycle brute force, constructive algorithms	1600	x4013
932B	Recursive Queries binary search, data structures, dfs and similar	1300	x8084
932A	Palindromic Supersequence constructive algorithms	800	x10277
931C	Laboratory Work implementation, math	1700	x3347
931B	World Cup constructive algorithms, implementation	1200	x7096