Problemset - Codeforces

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Codeforces Round #727 (Div. 2)
17:18:57
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Problems

#	Name
158A	Next Round *special problem, implementation	800	x114342
770A	New Password *special problem, implementation	800	x10435
291A	Spyke Talks *special problem, implementation, sortings	800	x4948
411A	Password Check *special problem, implementation	800	x4698
769A	Year of University Entrance *special problem, implementation, sortings	800	x4307
172A	Phone Code *special problem, brute force, implementation	800	x4246
1431A	Selling Hamburgers *special problem	800	x1047
1505A	Is it rated - 2 *special problem, implementation, interactive	900	x9345
1057A	Bmail Computer Network *special problem, dfs and similar, trees	900	x3621
130A	Hexagonal numbers *special problem, implementation	900	x799
1488A	From Zero To Y *special problem, math	900	x728
637A	Voting for Photos *special problem, constructive algorithms, implementation	1000	x4310
644A	Parliament of Berland *special problem, constructive algorithms	1000	x3848
1346A	Color Revolution *special problem, math	1000	x1528
72G	Fibonacci army *special problem, dp	1000	x978
1211A	Three Problems *special problem, implementation	1000	x823
158B	Taxi *special problem, greedy, implementation	1100	x51971
522B	Photo to Remember *special problem, data structures, dp, implementation	1100	x6704
638A	Home Numbers *special problem, constructive algorithms, math	1100	x3109
159B	Matchmaker *special problem, greedy, sortings	1100	x3094
1001A	Generate plus state or minus state *special problem	1100	x938
162A	Pentagonal numbers *special problem, implementation	1100	x583
100A	Carpeting the Room *special problem, implementation	1100	x573
188A	Hexagonal Numbers *special problem	1100	x478
1115G1	AND oracle *special problem	1100	x352
188D	Asterisks *special problem, implementation	1100	x327
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x10764
637B	Chat Order *special problem, binary search, constructive algorithms, data structures, sortings	1200	x7571
171A	Mysterious numbers - 1 *special problem, constructive algorithms	1200	x3091
769B	News About Credit *special problem, greedy, two pointers	1200	x2902
928A	Login Verification *special problem, strings	1200	x2882
774C	Maximum Number *special problem, constructive algorithms, greedy, implementation	1200	x2757
523A	Rotate, Flip and Zoom *special problem, implementation	1200	x2303
172B	Pseudorandom Sequence Period *special problem, implementation, number theory	1200	x2164
683A	The Check of the Point *special problem, geometry	1200	x647
1001H	Oracle for f(x) = parity of the number of 1s in x *special problem	1200	x494
72C	Extraordinarily Nice Numbers *special problem, math	1200	x446
158D	Ice Sculptures *special problem, brute force, number theory	1300	x5693
171B	Star *special problem, combinatorics	1300	x2811
291B	Command Line Arguments *special problem, implementation, strings	1300	x2761
770B	Maximize Sum of Digits *special problem, implementation, math	1300	x2233
929B	Места в самолёте *special problem, implementation	1300	x2001
171D	Broken checker *special problem, brute force	1300	x1910
64A	Factorial *special problem, implementation	1300	x659
1001F	Distinguish multi-qubit basis states *special problem	1300	x505
661A	Lazy Caterer Sequence *special problem	1300	x502
188B	A + Reverse B *special problem, implementation	1300	x368
158C	Cd and pwd commands *special problem, data structures, implementation	1400	x6528
1505C	Fibonacci Words *special problem, implementation	1400	x4355
290A	Mysterious strings *special problem, implementation	1400	x2511
929A	Прокат велосипедов *special problem, greedy, implementation	1400	x2406
159C	String Manipulation 1.0 *special problem, binary search, brute force, data structures, strings	1400	x2396
637C	Promocodes with Mistakes *special problem, brute force, constructive algorithms, implementation	1400	x2275
523C	Name Quest *special problem, greedy	1400	x2209
159A	Friends or Not *special problem, greedy, implementation	1400	x2176
928B	Chat *special problem, dp	1400	x2107
290D	Orange *special problem, implementation	1400	x1555
770D	Draw Brackets! *special problem, implementation	1400	x1485
1057B	DDoS *special problem, brute force	1400	x1399
1346B	Boot Camp *special problem, greedy	1400	x891
1001B	Generate Bell state *special problem	1400	x673
1431B	Polycarp and the Language of Gods *special problem, implementation, two pointers	1400	x668
1001D	Distinguish plus state and minus state *special problem	1400	x649
1001C	Generate GHZ state *special problem	1400	x617
1001G	Oracle for f(x) = k-th element of x *special problem	1400	x506
470A	Crystal Ball Sequence *special problem, implementation	1400	x480
130B	Gnikool Ssalg *special problem, implementation, strings	1400	x407
100C	A+B *special problem, implementation	1400	x371
188C	LCM *special problem, implementation, math	1400	x320
683D	Chocolate Bar *special problem, math	1400	x271
188E	HQ9+ *special problem, implementation	1400	x258
188F	Binary Notation *special problem, implementation	1400	x233
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x5752
159D	Palindrome pairs *special problem, brute force, dp, strings	1500	x3680
770C	Online Courses In BSU *special problem, dfs and similar, graphs, implementation	1500	x2044
290B	QR code *special problem, implementation	1500	x2025
774D	Lie or Truth *special problem, constructive algorithms, sortings	1500	x1642
638B	Making Genome in Berland *special problem, dfs and similar, strings	1500	x1577
172D	Calendar Reform *special problem, number theory	1500	x1172
172C	Bus *special problem, implementation, sortings	1500	x1015
523B	Mean Requests *special problem, implementation	1500	x905
530A	Quadratic equation *special problem	1500	x642
1211B	Traveling Around the Golden Ring of Berland *special problem, implementation	1500	x620
530C	Diophantine equation *special problem	1500	x433
64B	Expression *special problem, expression parsing	1500	x407
345A	Expecting Trouble *special problem, probabilities	1500	x402
130C	Decimal sum *special problem	1500	x392
1431D	Used Markers *special problem, greedy	1500	x344
130D	Exponentiation *special problem	1500	x305
72I	Goofy Numbers *special problem, implementation	1500	x271
100D	World of Mouth *special problem, strings	1500	x253
1115U1	Anti-diagonal unitary *special problem	1500	x235
100B	Friendly Numbers *special problem, implementation	1500	x226
100I	Rotation *special problem, geometry, math	1500	x192
1505B	DMCA *special problem, implementation, number theory	1600	x3981
637D	Running with Obstacles *special problem, data structures, dp, greedy	1600	x1718
523D	Statistics of Recompressing Videos *special problem, data structures, implementation	1600	x1684
291C	Network Mask *special problem, bitmasks, brute force, implementation	1600	x1602
291D	Parallel Programming *special problem, greedy	1600	x1401
774K	Stepan and Vowels *special problem, implementation, strings	1600	x1104

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