Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
06:07:37
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Problems

#	Name
280B	Maximum Xor Secondary data structures, implementation, two pointers	1800	x4730
279E	Beautiful Decomposition dp, games, greedy, number theory	1900	x1449
279C	Ladder dp, implementation, two pointers	1700	x8283
279B	Books binary search, brute force, implementation, two pointers	1400	x53818
279A	Point on Spiral brute force, geometry, implementation	1400	x5618
278B	New Problem brute force, strings	1500	x3461
277A	Learning Languages dfs and similar, dsu	1400	x19020
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x13942
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x27123
276B	Little Girl and Game games, greedy	1300	x28766
275B	Convex Shape constructive algorithms, implementation	1700	x2827
274B	Zero Tree dfs and similar, dp, greedy, trees	1800	x5041
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x10094
272D	Dima and Two Sequences combinatorics, math, sortings	1600	x2629
272C	Dima and Staircase data structures, implementation	1500	x6802
272B	Dima and Sequence implementation, math	1400	x4034
271D	Good Substrings data structures, strings	1800	x11467
271C	Secret constructive algorithms, implementation	1500	x2998
271B	Prime Matrix binary search, brute force, math, number theory	1300	x13186
270B	Multithreading data structures, greedy, implementation	1400	x4178
269B	Greenhouse Effect dp	1700	x6342
269A	Magical Boxes greedy, math	1600	x3535
268C	Beautiful Sets of Points constructive algorithms, implementation	1500	x13693
264B	Good Sequences dp, number theory	1500	x10356
263D	Cycle in Graph dfs and similar, graphs	1800	x3636
261B	Maxim and Restaurant dp, math, probabilities	1900	x1415
261A	Maxim and Discounts greedy, sortings	1400	x5205
260C	Balls and Boxes constructive algorithms, greedy, implementation	1700	x2984
260B	Ancient Prophesy brute force, implementation, strings	1600	x3822
260A	Adding Digits implementation, math	1400	x14839
258B	Little Elephant and Elections brute force, combinatorics, dp	1900	x1453
257D	Sum greedy, math	1900	x1610
257C	View Angle brute force, geometry, math	1800	x4385
257B	Playing Cubes games, greedy, implementation	1300	x7117
255D	Mr. Bender and Square binary search, implementation, math	1800	x2009
255C	Almost Arithmetical Progression brute force, dp	1500	x4730
254C	Anagram greedy, strings	1800	x1500
254B	Jury Size brute force, implementation	1500	x2159
253C	Text Editor data structures, dfs and similar, graphs, greedy, shortest paths	1600	x2613
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10802
252B	Unsorting Array brute force, sortings	1800	x1720
251B	Playing with Permutations implementation, math	1800	x1276
251A	Points on Line binary search, combinatorics, two pointers	1300	x17853
250D	Building Bridge geometry, ternary search, two pointers	1900	x894
250C	Movie Critics greedy	1600	x1947
250B	Restoring IPv6 implementation, strings	1500	x1993
248B	Chilly Willy math, number theory	1400	x5341
246D	Colorful Graph brute force, dfs and similar, graphs	1600	x9477
246C	Beauty Pageant brute force, constructive algorithms, greedy	1600	x2634
246B	Increase and Decrease greedy, math	1300	x11354
245H	Queries for Number of Palindromes dp, hashing, strings	1800	x6823
245E	Mishap in Club greedy, implementation	1400	x3295
245D	Restoring Table constructive algorithms, greedy	1500	x2320
245C	Game with Coins greedy	1700	x1551
244B	Undoubtedly Lucky Numbers bitmasks, brute force, dfs and similar	1600	x4508
243A	The Brand New Function bitmasks	1600	x3950
242C	King's Path dfs and similar, graphs, hashing, shortest paths	1800	x8749
241G	Challenging Balloons constructive algorithms	1900	x548
241A	Old Peykan greedy	1300	x2241
239B	Easy Tape Programming brute force, implementation	1500	x1373
238B	Boring Partition constructive algorithms	1800	x1333
238A	Not Wool Sequences constructive algorithms, math	1300	x2044
237C	Primes on Interval binary search, number theory, two pointers	1600	x5820
237B	Young Table implementation, sortings	1500	x2238
236B	Easy Number Challenge implementation, number theory	1300	x14406
235A	LCM Challenge number theory	1600	x17914
234G	Practice constructive algorithms, divide and conquer, implementation	1600	x1480
234F	Fence dp	1800	x1749
234E	Champions' League implementation	1600	x1002
234D	Cinema implementation	1600	x1540
234C	Weather dp, implementation	1300	x5558
233B	Non-square Equation binary search, brute force, math	1400	x7537
232B	Table bitmasks, combinatorics, dp, math	1900	x1474
232A	Cycles binary search, constructive algorithms, graphs, greedy	1600	x2541
231D	Magic Box brute force, geometry	1600	x4105
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8680
231B	Magic, Wizardry and Wonders constructive algorithms, greedy	1500	x3623
230B	T-primes binary search, implementation, math, number theory	1300	x76466
229C	Triangles combinatorics, graphs, math	1900	x1626
229B	Planets binary search, data structures, graphs, shortest paths	1700	x4704
229A	Shifts brute force, two pointers	1500	x3523
228E	The Road to Berland is Paved With Good Intentions 2-sat, dfs and similar, dsu, graphs	1900	x2468
228B	Two Tables brute force, implementation	1400	x3469
227A	Where do I Turn? geometry	1300	x4222
226B	Naughty Stone Piles greedy	1900	x1564
226A	Flying Saucer Segments math	1400	x4004
225C	Barcode dp, matrices	1700	x9198
225B	Well-known Numbers binary search, greedy, number theory	1600	x3163
224B	Array bitmasks, implementation, two pointers	1500	x7356
223C	Partial Sums combinatorics, math, number theory	1900	x1566
223B	Two Strings data structures, dp, strings	1900	x1811
223A	Bracket Sequence data structures, expression parsing, implementation	1700	x2539
222E	Decoding Genome dp, matrices	1900	x2816
222D	Olympiad binary search, greedy, sortings, two pointers	1900	x2173
222C	Reducing Fractions implementation, math, number theory, sortings	1800	x2258
222B	Cosmic Tables data structures, implementation	1300	x6136
221B	Little Elephant and Numbers implementation	1300	x4586
220B	Little Elephant and Array constructive algorithms, data structures	1800	x10382
220A	Little Elephant and Problem implementation, sortings	1300	x12020
219D	Choosing Capital for Treeland dfs and similar, dp, graphs, trees	1700	x9612