Problemset - Codeforces

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Educational Codeforces Round 97 (Rated for Div. 2)
40:23:45
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Problems

#	Name
1413E	Solo mid Oracle binary search, math, ternary search		x754
1436E	Complicated Computations binary search, data structures, sortings, two pointers	2400	x432
1436C	Binary Search binary search, combinatorics	1500	x4540
1428H	Rotary Laser Lock binary search, interactive	3500	x13
1428F	Fruit Sequences binary search, data structures, divide and conquer, dp, two pointers	2400	x1123
1428E	Carrots for Rabbits binary search, data structures, greedy, math, sortings	2200	x2073
1430D	String Deletion binary search, data structures, greedy, two pointers	1700	x5172
1427H	Prison Break binary search, games, geometry, ternary search	3500	x14
1423K	Lonely Numbers binary search, math, number theory, two pointers	1600	x1739
1423B	Valuable Paper binary search, flows, graph matchings, graphs	1900	x1004
1408H	Rainbow Triples binary search, data structures, flows, greedy	3300	x95
1408D	Searchlights binary search, brute force, data structures, dp, implementation, sortings, two pointers	2000	x2823
1408C	Discrete Acceleration binary search, dp, implementation, math, two pointers	1500	x5802
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x11071
1416E	Split binary search, data structures, dp, greedy	3200	x80
1416A	k-Amazing Numbers binary search, data structures, implementation, two pointers	1500	x6728
1419F	Rain of Fire binary search, data structures, dfs and similar, dsu, graphs, implementation	2800	x293
1419D2	Sage's Birthday (hard version) binary search, brute force, constructive algorithms, greedy, sortings, two pointers	1500	x8490
1419D1	Sage's Birthday (easy version) binary search, constructive algorithms, greedy, sortings	1000	x12625
1418E	Expected Damage binary search, combinatorics, probabilities	2400	x1014
1404C	Fixed Point Removal binary search, constructive algorithms, data structures, greedy, two pointers	2300	x1566
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x4735
1403A	The Potion of Great Power *special problem, 2-sat, binary search, data structures, graphs, interactive, sortings, two pointers	2400	x190
1401F	Reverse and Swap binary search, bitmasks, data structures	2400	x908
1392F	Omkar and Landslide binary search, constructive algorithms, data structures, greedy, math	2400	x1367
1398F	Controversial Rounds binary search, data structures, dp, greedy, two pointers	2500	x657
1398E	Two Types of Spells binary search, data structures, greedy, implementation, math, sortings	2200	x1547
1394C	Boboniu and String binary search, geometry, ternary search	2600	x553
1399E2	Weights Division (hard version) binary search, dfs and similar, greedy, sortings, trees, two pointers	2200	x1486
1387A	Graph *special problem, binary search, dfs and similar, dp, math, ternary search	2100	x344
1386A	Colors *special problem, binary search, constructive algorithms, interactive	2700	x138
1379F1	Chess Strikes Back (easy version) binary search, data structures	2700	x225
1379D	New Passenger Trams binary search, brute force, data structures, sortings, two pointers	2300	x733
1379C	Choosing flowers binary search, brute force, data structures, dfs and similar, dp, greedy, sortings, two pointers	2000	x3264
1379B	Dubious Cyrpto binary search, brute force, math, number theory	1500	x8299
1372F	Omkar and Modes binary search, divide and conquer, interactive	2700	x233
1371E2	Asterism (Hard Version) binary search, combinatorics, dp, math, number theory, sortings	2300	x1737
1371E1	Asterism (Easy Version) binary search, brute force, combinatorics, math, number theory, sortings	1900	x3788
1373F	Network Coverage binary search, constructive algorithms, data structures, greedy	2400	x1143
1370F2	The Hidden Pair (Hard Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2700	x809
1370F1	The Hidden Pair (Easy Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2400	x915
1370E	Binary Subsequence Rotation binary search, constructive algorithms, data structures, greedy	2100	x3535
1370D	Odd-Even Subsequence binary search, dp, dsu, greedy, implementation	2000	x5942
1367F2	Flying Sort (Hard Version) binary search, data structures, dp, greedy, sortings, two pointers	2400	x816
1366F	Jog Around The Graph binary search, dp, geometry, graphs	2700	x363
1366E	Two Arrays binary search, brute force, combinatorics, constructive algorithms, dp, two pointers	2100	x2786
1366A	Shovels and Swords binary search, greedy, math	1100	x17531
1361C	Johnny and Megan's Necklace binary search, bitmasks, constructive algorithms, dfs and similar, dsu, graphs	2500	x868
1363D	Guess The Maximums binary search, implementation, interactive, math	2100	x2949
1359F	RC Kaboom Show binary search, brute force, data structures, geometry, math	2900	x232
1359C	Mixing Water binary search, math	1700	x9055
1358F	Tasty Cookie binary search, constructive algorithms, greedy, implementation	2700	x321
1358D	The Best Vacation binary search, brute force, greedy, implementation, two pointers	1900	x6003
1360H	Binary Median binary search, bitmasks, brute force, constructive algorithms	2100	x3182
1354C1	Simple Polygon Embedding binary search, geometry, math, ternary search	1400	x11575
1354G	Find a Gift binary search, interactive, probabilities	2600	x385
1354D	Multiset binary search, data structures	1900	x5316
1354C2	Not So Simple Polygon Embedding binary search, brute force, geometry, math	2000	x4504
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x15655
1355E	Restorer Distance binary search, greedy, math, sortings, ternary search	2100	x3018
1355C	Count Triangles binary search, implementation, math, two pointers	1800	x7180
1352C	K-th Not Divisible by n binary search, math	1200	x20685
1348D	Phoenix and Science binary search, constructive algorithms, greedy, implementation, math	1900	x6328
1342D	Multiple Testcases binary search, constructive algorithms, data structures, greedy, sortings, two pointers	1900	x4666
1345B	Card Constructions binary search, brute force, dp, math	1100	x16704
1344D	Résumé Review binary search, greedy, math	2700	x606
1336B	Xenia and Colorful Gems binary search, greedy, math, sortings, two pointers	1700	x8111
1335E1	Three Blocks Palindrome (easy version) binary search, brute force, data structures, dp, two pointers	1700	x7395
1335C	Two Teams Composing binary search, greedy, implementation, sortings	1100	x20766
1334F	Strange Function binary search, data structures, dp, greedy	2500	x649
1333C	Eugene and an array binary search, data structures, implementation, two pointers	1700	x8521
1329E	Dreamoon Loves AA binary search, greedy	3300	x60
1328B	K-th Beautiful String binary search, brute force, combinatorics, implementation, math	1300	x17697
1326D2	Prefix-Suffix Palindrome (Hard version) binary search, greedy, hashing, string suffix structures, strings	1800	x6133
1324D	Pair of Topics binary search, data structures, sortings, two pointers	1400	x13123
1324C	Frog Jumps binary search, data structures, dfs and similar, greedy, implementation	1100	x16447
1323B	Count Subrectangles binary search, greedy, implementation	1500	x6163
1322B	Present binary search, bitmasks, constructive algorithms, data structures, math, sortings	2100	x2466
1305H	Kuroni the Private Tutor binary search, greedy	3500	x34
1297D	Bonus Distribution *special problem, binary search, greedy, sortings		x227
1315B	Homecoming binary search, dp, greedy, strings	1300	x6188
1310C	Au Pont Rouge binary search, dp, strings	2800	x214
1307E	Cow and Treats binary search, combinatorics, dp, greedy, implementation, math	2500	x790
1307D	Cow and Fields binary search, data structures, dfs and similar, graphs, greedy, shortest paths, sortings	1900	x4019
1301E	Nanosoft binary search, data structures, dp, implementation	2500	x817
1301C	Ayoub's function binary search, combinatorics, greedy, math, strings	1700	x6452
1301B	Motarack's Birthday binary search, greedy, ternary search	1500	x9751
1290B	Irreducible Anagrams binary search, constructive algorithms, data structures, strings, two pointers	1800	x3382
1293A	ConneR and the A.R.C. Markland-N binary search, brute force, implementation	1100	x11641
1288D	Minimax Problem binary search, bitmasks, dp	2000	x3917
1288A	Deadline binary search, brute force, math, ternary search	1100	x12790
1285F	Classical? binary search, combinatorics, number theory	2900	x490
1284D	New Year and Conference binary search, data structures, hashing, sortings	2100	x2189
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1400	x7985
1279F	New Year and Handle Change binary search, dp	2800	x391
1279B	Verse For Santa binary search, brute force, implementation	1300	x9443
1268C	K Integers binary search, data structures	2300	x1100
1271E	Common Number binary search, combinatorics, dp, math	2100	x2079
1275F	Шардирование постов *special problem, binary search, interactive		x91
1263C	Everyone is a Winner! binary search, math, meet-in-the-middle, number theory	1400	x8680

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