Problemset - Codeforces

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Codeforces Round 976 (Div. 2) and Divide By Zero 9.0
06:13:08
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Problems

#	Name
249D	Donkey and Stars data structures, dp, geometry, math, sortings	2700	x456
248E	Piglet's Birthday dp, math, probabilities	2600	x579
248D	Sweets for Everyone! binary search, greedy, implementation	2300	x494
248C	Robo-Footballer binary search, geometry	2000	x847
248B	Chilly Willy math, number theory	1400	x5306
246E	Blood Cousins Return binary search, data structures, dfs and similar, dp, sortings	2400	x3202
246D	Colorful Graph brute force, dfs and similar, graphs	1600	x9417
246C	Beauty Pageant brute force, constructive algorithms, greedy	1600	x2629
245H	Queries for Number of Palindromes dp, hashing, strings	1800	x6602
245G	Suggested Friends brute force, graphs	2200	x431
245F	Log Stream Analysis binary search, brute force, implementation, strings	2000	x875
245E	Mishap in Club greedy, implementation	1400	x3277
245D	Restoring Table constructive algorithms, greedy	1500	x2299
245C	Game with Coins greedy	1700	x1545
244B	Undoubtedly Lucky Numbers bitmasks, brute force, dfs and similar	1600	x4470
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	x1223
243A	The Brand New Function bitmasks	1600	x3912
242E	XOR on Segment bitmasks, data structures	2000	x9087
242D	Dispute dfs and similar, graphs, greedy	2100	x1870
242C	King's Path dfs and similar, graphs, hashing, shortest paths	1800	x8562
241G	Challenging Balloons constructive algorithms	1900	x548
241F	Race brute force, implementation	2300	x263
241E	Flights graphs, shortest paths	2600	x1074
241D	Numbers	2900	x371
241C	Mirror Box geometry, implementation	2000	x511
241B	Friends binary search, bitmasks, data structures, math	2700	x805
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
238E	Meeting Her dp, graphs, shortest paths	2600	x387
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	x1288
237E	Build String flows, graphs	2000	x1705
237D	T-decomposition dfs and similar, graphs, greedy, trees	2000	x562
237C	Primes on Interval binary search, number theory, two pointers	1600	x5743
237B	Young Table implementation, sortings	1500	x2235
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	x2106
235B	Let's Play Osu! dp, math, probabilities	2000	x3503
235A	LCM Challenge number theory	1600	x17677
234H	Merging Two Decks constructive algorithms, greedy	2000	x567
234G	Practice constructive algorithms, divide and conquer, implementation	1600	x1474
234F	Fence dp	1800	x1736
234E	Champions' League implementation	1600	x1001
234D	Cinema implementation	1600	x1533
233B	Non-square Equation binary search, brute force, math	1400	x7464
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	x1457
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	x8596
231B	Magic, Wizardry and Wonders constructive algorithms, greedy	1500	x3605
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	x4648
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	x2428
228D	Zigzag data structures	2100	x381
228C	Fractal Detector dp, hashing	2000	x453
228B	Two Tables brute force, implementation	1400	x3466
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	x3980
225E	Unsolvable math, number theory	2100	x802
225D	Snake bitmasks, dfs and similar, graphs, implementation	2200	x945
225C	Barcode dp, matrices	1700	x9082
225B	Well-known Numbers binary search, greedy, number theory	1600	x3150
224B	Array bitmasks, implementation, two pointers	1500	x7309
223E	Planar Graph flows, geometry, graphs	3000	x191
223D	Spider geometry, graphs	3000	x70
223C	Partial Sums combinatorics, math, number theory	1900	x1555
223B	Two Strings data structures, dp, strings	1900	x1786
223A	Bracket Sequence data structures, expression parsing, implementation	1700	x2524
222E	Decoding Genome dp, matrices	1900	x2758
222D	Olympiad binary search, greedy, sortings, two pointers	1900	x2160
222C	Reducing Fractions implementation, math, number theory, sortings	1800	x2196
220E	Little Elephant and Inversions data structures, two pointers	2400	x1379
220D	Little Elephant and Triangle geometry, math	2500	x283
220C	Little Elephant and Shifts data structures	2100	x935
220B	Little Elephant and Array constructive algorithms, data structures	1800	x10107
219E	Parking Lot data structures	2200	x615
219D	Choosing Capital for Treeland dfs and similar, dp, graphs, trees	1700	x9322
219C	Color Stripe brute force, dp, greedy	1600	x6651
219B	Special Offer! Super Price 999 Bourles! implementation	1400	x5804
217E	Alien DNA data structures, dsu, trees	2800	x322
217D	Bitonix' Patrol bitmasks, brute force, combinatorics, dfs and similar, math	2900	x250
217C	Formurosa divide and conquer, dp, expression parsing	2600	x336
217B	Blackboard Fibonacci brute force, math	2100	x891
216E	Martian Luck math, number theory	2000	x582