Problemset - Codeforces

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Educational Codeforces Round 81 (Rated for Div. 2)
2 days
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Problems

#	Name
4A	Watermelon brute force, math	1200	x120633
1A	Theatre Square math	1300	x99056
71A	Way Too Long Words strings	800	x84974
158A	Next Round *special problem, implementation	1800	x66495
118A	String Task implementation, strings	1100	x65577
231A	Team brute force, greedy	800	x64179
50A	Domino piling greedy, math	800	x58957
282A	Bit++ implementation	900	x55764
112A	Petya and Strings implementation, strings	900	x53221
96A	Football implementation, strings	1100	x51087
339A	Helpful Maths greedy, implementation, sortings, strings	900	x50968
263A	Beautiful Matrix implementation	700	x50456
281A	Word Capitalization implementation, strings	800	x48982
266A	Stones on the Table implementation	800	x46787
236A	Boy or Girl brute force, implementation, strings	800	x43725
69A	Young Physicist implementation, math	1100	x41487
58A	Chat room greedy, strings	1100	x40696
122A	Lucky Division brute force, number theory	1000	x40363
116A	Tram implementation	800	x40223
546A	Soldier and Bananas brute force, implementation, math	800	x39804
158B	Taxi *special problem, greedy, implementation	1800	x38450
160A	Twins greedy, sortings	1000	x38196
133A	HQ9+ implementation	900	x36924
131A	cAPS lOCK implementation, strings	1100	x35337
266B	Queue at the School constructive algorithms, graph matchings, implementation, shortest paths	900	x35129
617A	Elephant math	700	x35001
110A	Nearly Lucky Number implementation	800	x34964
467A	George and Accommodation implementation	800	x34739
41A	Translation implementation, strings	900	x34396
580A	Kefa and First Steps brute force, dp, implementation	1000	x33479
271A	Beautiful Year brute force	900	x33168
791A	Bear and Big Brother implementation	600	x33081
136A	Presents implementation	700	x32471
59A	Word implementation, strings	800	x32379
479A	Expression brute force, math	1100	x31742
734A	Anton and Danik implementation, strings	700	x31532
977A	Wrong Subtraction implementation	500	x30857
337A	Puzzles greedy	1000	x30848
344A	Magnets implementation	700	x30372
318A	Even Odds math	1000	x30102
677A	Vanya and Fence implementation	700	x30076
486A	Calculating Function implementation, math	1100	x29611
208A	Dubstep strings	1100	x29024
405A	Gravity Flip greedy, implementation, sortings	1000	x28952
705A	Hulk implementation	600	x28500
148A	Insomnia cure constructive algorithms, implementation, math	900	x28383
61A	Ultra-Fast Mathematician implementation	900	x27456
469A	I Wanna Be the Guy greedy, implementation	1000	x27160
200B	Drinks implementation, math	700	x26321
144A	Arrival of the General implementation	900	x26200
1030A	In Search of an Easy Problem implementation	500	x26149
25A	IQ test brute force	1300	x26112
451A	Game With Sticks implementation	1000	x25481
443A	Anton and Letters constructive algorithms, implementation	800	x25384
228A	Is your horseshoe on the other hoof? implementation	800	x25057
268A	Games brute force	800	x24950
520A	Pangram implementation, strings	900	x24697
141A	Amusing Joke implementation, sortings, strings	900	x23715
230A	Dragons greedy, sortings	1000	x23549
339B	Xenia and Ringroad implementation	1100	x23510
492B	Vanya and Lanterns binary search, implementation, math, sortings	1200	x23445
510A	Fox And Snake implementation	800	x22878
472A	Design Tutorial: Learn from Math math, number theory	900	x22735
785A	Anton and Polyhedrons implementation, strings	600	x22419
4C	Registration System data structures, hashing, implementation	1500	x22366
189A	Cut Ribbon brute force, dp	1300	x22297
455A	Boredom dp	1600	x22040
500A	New Year Transportation dfs and similar, graphs, implementation	1100	x21661
460A	Vasya and Socks brute force, implementation, math	1000	x21345
230B	T-primes binary search, implementation, math, number theory	1300	x21313
581A	Vasya the Hipster implementation, math	700	x21196
379A	New Year Candles implementation	1100	x20551
155A	I_love_\%username\% brute force	900	x20389
723A	The New Year: Meeting Friends implementation, math, sortings	800	x20310
750A	New Year and Hurry binary search, brute force, implementation, math	800	x20276
732A	Buy a Shovel brute force, constructive algorithms, implementation, math	800	x20109
466A	Cheap Travel implementation	1200	x19815
758A	Holiday Of Equality implementation, math	700	x19799
427A	Police Recruits implementation	800	x19397
313A	Ilya and Bank Account implementation, number theory	900	x19365
489C	Given Length and Sum of Digits... dp, greedy, implementation	1400	x19064
432A	Choosing Teams greedy, implementation, sortings	900	x18968
703A	Mishka and Game implementation	700	x18651
82A	Double Cola implementation, math	1100	x18586
509A	Maximum in Table brute force, implementation	700	x18432
1154A	Restoring Three Numbers math	600	x18249
490A	Team Olympiad greedy, implementation, sortings	900	x18134
492A	Vanya and Cubes implementation	900	x17956
996A	Hit the Lottery dp, greedy	600	x17951
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1300	x17951
579A	Raising Bacteria bitmasks	1000	x17783
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x17696
270A	Fancy Fence geometry, implementation, math	1200	x17649
584A	Olesya and Rodion math	1100	x17589
519B	A and B and Compilation Errors data structures, implementation, sortings	1200	x17555
707A	Brain's Photos implementation	1000	x17535
577A	Multiplication Table implementation, number theory	1100	x17447
749A	Bachgold Problem greedy, implementation, math, number theory	700	x17401
556A	Case of the Zeros and Ones greedy	1100	x17393
711A	Bus to Udayland brute force, implementation	700	x17391

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