Problemset - Codeforces

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Codeforces Round (Div. 2)
4 days
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Problems

#	Name
246B	Increase and Decrease greedy, math	1300	x11274
246A	Buggy Sorting constructive algorithms, greedy, sortings	900	x9238
245H	Queries for Number of Palindromes dp, hashing, strings	1800	x6617
245G	Suggested Friends brute force, graphs	2200	x431
245F	Log Stream Analysis binary search, brute force, implementation, strings	2000	x876
245E	Mishap in Club greedy, implementation	1400	x3277
245D	Restoring Table constructive algorithms, greedy	1500	x2302
245C	Game with Coins greedy	1700	x1545
245B	Internet Address implementation, strings	1100	x5219
245A	System Administrator implementation	800	x8397
244B	Undoubtedly Lucky Numbers bitmasks, brute force, dfs and similar	1600	x4473
244A	Dividing Orange implementation	900	x7898
243E	Matrix data structures	3000	x191
243D	Cubes data structures, dp, geometry, two pointers	2700	x214
243C	Colorado Potato Beetle dfs and similar, implementation	2200	x529
243B	Hydra graphs, sortings	2000	x1224
243A	The Brand New Function bitmasks	1600	x3915
242E	XOR on Segment bitmasks, data structures	2000	x9093
242D	Dispute dfs and similar, graphs, greedy	2100	x1870
242C	King's Path dfs and similar, graphs, hashing, shortest paths	1800	x8579
242B	Big Segment implementation, sortings	1100	x15695
242A	Heads or Tails brute force, implementation	1100	x6372
241G	Challenging Balloons constructive algorithms	1900	x548
241F	Race brute force, implementation	2300	x263
241E	Flights graphs, shortest paths	2600	x1076
241D	Numbers	2900	x373
241C	Mirror Box geometry, implementation	2000	x511
241B	Friends binary search, bitmasks, data structures, math	2700	x805
241A	Old Peykan greedy	1300	x2229
240F	TorCoder data structures	2600	x1940
240E	Road Repairs dfs and similar, graphs, greedy	2800	x356
239B	Easy Tape Programming brute force, implementation	1500	x1371
239A	Two Bags of Potatoes greedy, implementation, math	1200	x18817
238E	Meeting Her dp, graphs, shortest paths	2600	x388
238D	Tape Programming data structures, implementation	2900	x247
238C	World Eater Brothers dfs and similar, dp, greedy, trees	2100	x1231
238B	Boring Partition constructive algorithms	1800	x1289
238A	Not Wool Sequences constructive algorithms, math	1300	x2036
237E	Build String flows, graphs	2000	x1706
237D	T-decomposition dfs and similar, graphs, greedy, trees	2000	x562
237C	Primes on Interval binary search, number theory, two pointers	1600	x5745
237B	Young Table implementation, sortings	1500	x2235
237A	Free Cash implementation	1000	x26716
236B	Easy Number Challenge implementation, number theory	1300	x14179
236A	Boy or Girl brute force, implementation, strings	800	x208618
235E	Number Challenge combinatorics, dp, implementation, math, number theory	2600	x775
235D	Graph Game graphs	3000	x504
235C	Cyclical Quest data structures, string suffix structures, strings	2700	x2109
235B	Let's Play Osu! dp, math, probabilities	2000	x3513
235A	LCM Challenge number theory	1600	x17684
234H	Merging Two Decks constructive algorithms, greedy	2000	x567
234G	Practice constructive algorithms, divide and conquer, implementation	1600	x1476
234F	Fence dp	1800	x1736
234E	Champions' League implementation	1600	x1001
234D	Cinema implementation	1600	x1533
234C	Weather dp, implementation	1300	x5515
234B	Reading sortings	1000	x7098
234A	Lefthanders and Righthanders implementation	1200	x4430
233B	Non-square Equation binary search, brute force, math	1400	x7467
233A	Perfect Permutation implementation, math	800	x42249
232E	Quick Tortoise bitmasks, divide and conquer, dp	3000	x691
232D	Fence binary search, data structures, string suffix structures	2900	x474
232C	Doe Graphs constructive algorithms, divide and conquer, dp, graphs, shortest paths	2600	x288
232B	Table bitmasks, combinatorics, dp, math	1900	x1461
232A	Cycles binary search, constructive algorithms, graphs, greedy	1600	x2520
231E	Cactus data structures, dfs and similar, dp, graphs, trees	2100	x1837
231D	Magic Box brute force, geometry	1600	x4081
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8600
231B	Magic, Wizardry and Wonders constructive algorithms, greedy	1500	x3605
231A	Team brute force, greedy	800	x322600
230B	T-primes binary search, implementation, math, number theory	1300	x74842
230A	Dragons greedy, sortings	1000	x78863
229E	Gifts combinatorics, dp, math, probabilities	2600	x459
229D	Towers dp, greedy, two pointers	2100	x2228
229C	Triangles combinatorics, graphs, math	1900	x1617
229B	Planets binary search, data structures, graphs, shortest paths	1700	x4649
229A	Shifts brute force, two pointers	1500	x3507
228E	The Road to Berland is Paved With Good Intentions 2-sat, dfs and similar, dsu, graphs	1900	x2429
228D	Zigzag data structures	2100	x381
228C	Fractal Detector dp, hashing	2000	x453
228B	Two Tables brute force, implementation	1400	x3466
228A	Is your horseshoe on the other hoof? implementation	800	x109290
227B	Effective Approach implementation	1100	x27907
227A	Where do I Turn? geometry	1300	x4181
226E	Noble Knight's Path data structures, trees	2900	x457
226D	The table constructive algorithms, greedy	2100	x959
226C	Anniversary data structures, implementation, math, matrices, number theory	2400	x867
226B	Naughty Stone Piles greedy	1900	x1557
226A	Flying Saucer Segments math	1400	x3982
225E	Unsolvable math, number theory	2100	x802
225D	Snake bitmasks, dfs and similar, graphs, implementation	2200	x945
225C	Barcode dp, matrices	1700	x9094
225B	Well-known Numbers binary search, greedy, number theory	1600	x3150
225A	Dice Tower constructive algorithms, greedy	1100	x11670
224B	Array bitmasks, implementation, two pointers	1500	x7315
224A	Parallelepiped brute force, geometry, math	1100	x26597
223E	Planar Graph flows, geometry, graphs	3000	x191
223D	Spider geometry, graphs	3000	x70
223C	Partial Sums combinatorics, math, number theory	1900	x1557
223B	Two Strings data structures, dp, strings	1900	x1786