Problemset - Codeforces

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Codeforces Round 1134 (Div. 4)
5 days
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Problems

#	Name
959E	Mahmoud and Ehab and the xor-MST bitmasks, dp, graphs, implementation, math	1900	x3884
959D	Mahmoud and Ehab and another array construction task constructive algorithms, greedy, math, number theory	1900	x3341
959C	Mahmoud and Ehab and the wrong algorithm constructive algorithms, trees	1500	x6365
959B	Mahmoud and Ehab and the message dsu, greedy, implementation	1200	x10794
959A	Mahmoud and Ehab and the even-odd game games, math	800	x57507
958F3	Lightsabers (hard) fft	2600	x1029
958F2	Lightsabers (medium) binary search, two pointers	1800	x1477
958F1	Lightsabers (easy) implementation	1500	x1842
958E3	Guard Duty (hard) geometry	2700	x248
958E2	Guard Duty (medium) binary search, dp, greedy, sortings	2200	x1260
958E1	Guard Duty (easy) brute force, geometry, greedy, math	1600	x1809
958D2	Hyperspace Jump (hard)	2700	x142
958D1	Hyperspace Jump (easy) expression parsing, math	1400	x2269
958C3	Encryption (hard) data structures, dp	2500	x793
958C2	Encryption (medium) dp	2000	x1433
958C1	Encryption (easy) brute force	1200	x3243
958B2	Maximum Control (medium) data structures, dfs and similar, graphs, greedy, trees	2200	x774
958B1	Maximum Control (easy) implementation	1000	x3997
958A3	Death Stars (hard)	3100	x150
958A2	Death Stars (medium) hashing, strings	2000	x1101
958A1	Death Stars (easy) implementation	1400	x1889
957A	Tritonic Iridescence implementation	1300	x6056
955F	Heaps dp, trees	2600	x2039
955E	Icicles	2900	x176
955D	Scissors brute force, strings	2600	x627
955C	Sad powers binary search, math, number theory	2100	x2957
955B	Not simply beatiful strings implementation	1400	x5230
955A	Feed the cat greedy, math	1100	x7088
954I	Yet Another String Matching Problem fft, math	2200	x1467
954H	Path Counting combinatorics, dp	2500	x840
954G	Castle Defense binary search, data structures, greedy, two pointers	2000	x2487
954F	Runner's Problem dp, matrices, sortings	2100	x1455
954E	Water Taps binary search, greedy, sortings	2000	x2206
954D	Fight Against Traffic dfs and similar, graphs, shortest paths	1600	x8227
954C	Matrix Walk implementation	1700	x3997
954B	String Typing implementation, strings	1400	x7933
954A	Diagonal Walking implementation	800	x11214
952G	Puzzling Language special problem, special problem, *special problem, constructive algorithms	2200	x265
952F	2 + 2 != 4 *special problem	2400	x441
952E	Cheese Board *special problem	2000	x711
952D	I'm Feeling Lucky! *special problem, probabilities	1800	x2599
952C	Ravioli Sort implementation	1600	x3088
952B	A Map of the Cat *special problem, brute force, interactive	1900	x2146
952A	Quirky Quantifiers *special problem, math	800	x12151
950B	Intercepted Message greedy, implementation	1100	x8089
950A	Left-handers, Right-handers and Ambidexters implementation, math	800	x16620
949F	Astronomy geometry, probabilities	3300	x72
949E	Binary Cards brute force	2700	x805
949D	Curfew binary search, brute force, greedy, sortings	2300	x924
949C	Data Center Maintenance dfs and similar, graphs	1900	x2393
949B	A Leapfrog in the Array constructive algorithms, math	1700	x3867
949A	Zebras greedy	1600	x5742
948A	Protect Sheep brute force, dfs and similar, graphs, implementation	900	x15848
946G	Almost Increasing Array data structures, dp	2500	x861
946F	Fibonacci String Subsequences combinatorics, dp, matrices	2400	x684
946E	Largest Beautiful Number greedy, implementation	2200	x1280
946D	Timetable dp	1800	x5014
946C	String Transformation greedy, strings	1300	x9568
946B	Weird Subtraction Process math, number theory	1100	x11594
946A	Partition greedy	800	x18572
940F	Machine Learning brute force, data structures	2600	x3772
940E	Cashback data structures, dp, greedy, math	2000	x4607
940D	Alena And The Heater binary search, implementation	1600	x3803
940C	Phone Numbers constructive algorithms, implementation, strings	1500	x6816
940B	Our Tanya is Crying Out Loud dp, greedy	1400	x9657
940A	Points on the line brute force, greedy, sortings	1200	x8927
939F	Cutlet data structures, dp	2400	x1299
939E	Maximize! binary search, greedy, ternary search, two pointers	1800	x3599
939D	Love Rescue dfs and similar, dsu, graphs, greedy, strings	1600	x8457
939C	Convenient For Everybody binary search, two pointers	1600	x4981
939B	Hamster Farm implementation	1000	x11435
939A	Love Triangle graphs	800	x31194
938G	Shortest Path Queries bitmasks, data structures, dsu, graphs	2900	x1286
938F	Erasing Substrings bitmasks, dp, greedy	2700	x687
938E	Max History combinatorics, math	2300	x1656
938D	Buy a Ticket data structures, graphs, shortest paths	2000	x7748
938C	Constructing Tests binary search, brute force, constructive algorithms	1700	x3502
938B	Run For Your Prize brute force, greedy	1100	x9416
938A	Word Correction implementation	800	x12203
937B	Vile Grasshoppers brute force, math, number theory	1400	x7346
937A	Olympiad implementation, sortings	800	x16843
936E	Iqea data structures, dfs and similar, divide and conquer, dsu, shortest paths, trees	3400	x265
936D	World of Tank dp, greedy	3000	x407
936C	Lock Puzzle constructive algorithms, implementation, strings	2300	x1296
936B	Sleepy Game dfs and similar, dp, games, graphs	2100	x3518
936A	Save Energy! binary search, implementation, math	1700	x4697
935F	Fafa and Array data structures, greedy	2600	x520
935E	Fafa and Ancient Mathematics dfs and similar, dp, trees	2300	x1026
935D	Fafa and Ancient Alphabet math, probabilities	1900	x2908
935C	Fifa and Fafa geometry	1600	x5069
935B	Fafa and the Gates implementation	900	x12656
935A	Fafa and his Company brute force, implementation	800	x48372
934B	A Prosperous Lot constructive algorithms, implementation	1200	x9304
934A	A Compatible Pair brute force, games	1400	x7761
933E	A Preponderant Reunion constructive algorithms, dp	3200	x340
933D	A Creative Cutout brute force, combinatorics, math	2900	x404
933C	A Colourful Prospect geometry, graphs	2700	x703
933B	A Determined Cleanup math	2000	x2097
933A	A Twisty Movement dp	1800	x5537
932G	Palindrome Partition dp, string suffix structures, strings	2900	x1277

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