Problemset - Codeforces

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Educational Codeforces Round 173 (Rated for Div. 2)
01:03:48
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Problems

#	Name
954G	Castle Defense binary search, data structures, greedy, two pointers	2000	x2176
954F	Runner's Problem dp, matrices, sortings	2100	x1230
954E	Water Taps binary search, greedy, sortings	2000	x1930
954D	Fight Against Traffic dfs and similar, graphs, shortest paths	1600	x6756
954C	Matrix Walk implementation	1700	x3798
954B	String Typing implementation, strings	1400	x7300
954A	Diagonal Walking implementation	800	x10573
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	x2457
952C	Ravioli Sort implementation	1600	x2918
952B	A Map of the Cat brute force, interactive	1900	x2064
952A	Quirky Quantifiers math	800	x11371
950B	Intercepted Message greedy, implementation	1100	x7608
950A	Left-handers, Right-handers and Ambidexters implementation, math	800	x15462
949F	Astronomy geometry, probabilities	3300	x59
949E	Binary Cards brute force	2700	x649
949D	Curfew binary search, brute force, greedy, sortings	2300	x833
949C	Data Center Maintenance dfs and similar, graphs	1900	x2089
949B	A Leapfrog in the Array constructive algorithms, math	1700	x3739
949A	Zebras greedy	1600	x5420
948A	Protect Sheep brute force, dfs and similar, graphs, implementation	900	x13994
946G	Almost Increasing Array data structures, dp	2500	x702
946F	Fibonacci String Subsequences combinatorics, dp, matrices	2400	x575
946E	Largest Beautiful Number greedy, implementation	2200	x1113
946D	Timetable dp	1800	x4484
946C	String Transformation greedy, strings	1300	x8921
946B	Weird Subtraction Process math, number theory	1100	x10934
946A	Partition greedy	800	x16748
940F	Machine Learning brute force, data structures	2600	x2695
940E	Cashback data structures, dp, greedy, math	2000	x3817
940D	Alena And The Heater binary search, implementation	1600	x3653
940C	Phone Numbers constructive algorithms, implementation, strings	1500	x5931
940B	Our Tanya is Crying Out Loud dp, greedy	1400	x9059
940A	Points on the line brute force, greedy, sortings	1200	x8365
939F	Cutlet data structures, dp	2400	x988
939E	Maximize! binary search, greedy, ternary search, two pointers	1800	x3174
939D	Love Rescue dfs and similar, dsu, graphs, greedy, strings	1600	x7395
939C	Convenient For Everybody binary search, two pointers	1600	x4649
939B	Hamster Farm implementation	1000	x10657
939A	Love Triangle graphs	800	x25797
938G	Shortest Path Queries bitmasks, data structures, dsu, graphs	2900	x925
938F	Erasing Substrings bitmasks, dp, greedy	2700	x513
938E	Max History combinatorics, math	2300	x1345
938D	Buy a Ticket data structures, graphs, shortest paths	2000	x5814
938C	Constructing Tests binary search, brute force, constructive algorithms	1700	x3330
938B	Run For Your Prize brute force, greedy	1100	x8902
938A	Word Correction implementation	800	x11532
937B	Vile Grasshoppers brute force, math, number theory	1400	x6938
937A	Olympiad implementation, sortings	800	x15299
936E	Iqea data structures, dfs and similar, divide and conquer, dsu, shortest paths, trees	3400	x202
936D	World of Tank dp, greedy	3000	x332
936C	Lock Puzzle constructive algorithms, implementation, strings	2300	x1186
936B	Sleepy Game dfs and similar, dp, games, graphs	2100	x3277
936A	Save Energy! binary search, implementation, math	1700	x4374
935F	Fafa and Array data structures, greedy	2600	x374
935E	Fafa and Ancient Mathematics dfs and similar, dp, trees	2300	x901
935D	Fafa and Ancient Alphabet math, probabilities	1900	x2647
935C	Fifa and Fafa geometry	1600	x4773
935B	Fafa and the Gates implementation	900	x11677
935A	Fafa and his Company brute force, implementation	800	x43682
934B	A Prosperous Lot constructive algorithms, implementation	1200	x8738
934A	A Compatible Pair brute force, games	1400	x7034
933E	A Preponderant Reunion constructive algorithms, dp	3200	x229
933D	A Creative Cutout brute force, combinatorics, math	2900	x333
933C	A Colourful Prospect geometry, graphs	2700	x587
933B	A Determined Cleanup math	2000	x1951
933A	A Twisty Movement dp	1800	x5016
932G	Palindrome Partition dp, string suffix structures, strings	2900	x962
932F	Escape Through Leaf data structures, dp, geometry	2700	x3008
932E	Team Work combinatorics, dp, math	2400	x2911
932D	Tree binary search, dp, trees	2200	x1760
932C	Permutation Cycle brute force, constructive algorithms	1600	x4053
932B	Recursive Queries binary search, data structures, dfs and similar	1300	x8239
932A	Palindromic Supersequence constructive algorithms	800	x10333
931C	Laboratory Work implementation, math	1700	x3367
931B	World Cup constructive algorithms, implementation	1200	x7173
931A	Friends Meeting brute force, greedy, implementation, math	800	x12273
930E	Coins Exhibition data structures, dp, math	2900	x438
930D	Game with Tokens data structures, games, implementation	2500	x415
930C	Teodor is not a liar! data structures, dp	1900	x2155
930B	Game with String implementation, probabilities, strings	1600	x2697
930A	Peculiar apple-tree dfs and similar, graphs, trees	1500	x7265
929D	Пограничные врата	2400	x152
929C	Красивая команда *special problem, combinatorics, math	1700	x1162
929B	Места в самолёте *special problem, implementation	1300	x2048
929A	Прокат велосипедов *special problem, greedy, implementation	1400	x2507
928D	Autocompletion *special problem, strings, trees	1900	x815
928C	Dependency management *special problem, graphs, implementation	1900	x890
928B	Chat *special problem, dp	1400	x2549
928A	Login Verification *special problem, strings	1200	x3414
927A	BuberPool Taxi Optimization *special problem, interactive	2900	x1
926J	Segments data structures	2100	x396
926I	A Vital Problem	1700	x668
926H	Endless Roses Most Beautiful	2200	x219
926G	Large Bouquets	1500	x1485
926F	Mobile Communications	2000	x239
926E	Merge Equal Elements constructive algorithms, data structures	1900	x934
926D	Choose Place	1600	x936