Problemset - Codeforces

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Codeforces Round 974 (Div. 3)
00:41:35
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Problems

#	Name
862E	Mahmoud and Ehab and the function binary search, data structures, sortings	2100	x1622
862D	Mahmoud and Ehab and the binary string binary search, divide and conquer, interactive	2000	x1864
862C	Mahmoud and Ehab and the xor constructive algorithms	1900	x4052
860E	Arkady and a Nobody-men data structures, dfs and similar, trees	2700	x432
859G	Circle of Numbers math	3000	x157
859F	Ordering T-Shirts greedy	2800	x182
859E	Desk Disorder combinatorics, dfs and similar, dsu, graphs, trees	2100	x1849
859D	Third Month Insanity dp, probabilities, trees	2100	x1048
858F	Wizard's Tour constructive algorithms, dfs and similar, graphs	2300	x1566
858E	Tests Renumeration greedy, implementation	2200	x504
858D	Polycarp's phone book data structures, implementation, sortings	1600	x3822
856F	To Play or not to Play greedy	3000	x104
856E	Satellites	3100	x71
856D	Masha and Cactus dp, trees	2400	x401
856C	Eleventh Birthday combinatorics, dp, math	2400	x566
856B	Similar Words dp, hashing, strings, trees	2300	x499
856A	Set Theory brute force, constructive algorithms	1600	x1424
855G	Harry Vs Voldemort dfs and similar, dp, graphs, trees	3300	x207
855F	Nagini binary search, data structures	3100	x449
855E	Salazar Slytherin's Locket bitmasks, dp	2200	x1763
855D	Rowena Ravenclaw's Diadem trees	2500	x522
855C	Helga Hufflepuff's Cup dp, trees	2000	x2059
853E	Lada Malina data structures, geometry	3400	x65
853D	Michael and Charging Stations binary search, dp, greedy	2400	x667
853C	Boredom data structures	2100	x1480
853B	Jury Meeting greedy, sortings, two pointers	1800	x2517
852I	Dating brute force, dfs and similar, graphs, trees	2300	x574
852H	Bob and stages dp, geometry	3000	x150
852G	Bathroom terminal implementation	1700	x1281
852F	Product transformation combinatorics, math, number theory	2200	x570
852E	Casinos and travel dp	2100	x1042
852D	Exploration plan binary search, flows, graph matchings, shortest paths	2100	x988
852C	Property greedy, sortings	2100	x577
852B	Neural Network country dp, matrices	2000	x1436
852A	Digits brute force, implementation, math	2500	x385
850F	Rainbow Balls math	2800	x655
850E	Random Elections bitmasks, brute force, divide and conquer, fft, math	2800	x386
850D	Tournament Construction constructive algorithms, dp, graphs, greedy, math	2800	x386
850C	Arpa and a game with Mojtaba bitmasks, dp, games	2200	x1473
850B	Arpa and a list of numbers implementation, number theory	2100	x2023
850A	Five Dimensional Points brute force, geometry, math	1700	x3187
849B	Tell Your World brute force, geometry	1600	x3632
848E	Days of Floral Colours combinatorics, divide and conquer, dp, fft, math	3400	x208
848D	Shake It! combinatorics, dp, flows, graphs	2900	x382
848C	Goodbye Souvenir data structures, divide and conquer	2600	x1362
848B	Rooter's Song constructive algorithms, data structures, geometry, implementation, sortings, two pointers	1900	x1889
848A	From Y to Y constructive algorithms	1600	x5116
847L	Berland SU Computer Network constructive algorithms, dfs and similar, graphs, hashing, trees	2400	x320
847K	Travel Cards greedy, implementation, sortings	1800	x1679
847J	Students Initiation binary search, flows, graphs	2400	x628
847I	Noise Level dfs and similar, implementation, math	1900	x1523
847H	Load Testing greedy	1600	x2390
847F	Berland Elections greedy, sortings	2100	x861
847E	Packmen binary search, dp	1800	x2949
847D	Dog Show constructive algorithms, data structures, greedy	2200	x1205
847C	Sum of Nestings constructive algorithms	1800	x2361
847B	Preparing for Merge Sort binary search, data structures	1600	x4937
846F	Random Query data structures, math, probabilities, two pointers	1800	x2248
846E	Chemistry in Berland dfs and similar, greedy, trees	2300	x886
846D	Monitor binary search, data structures	1900	x2462
846C	Four Segments brute force, data structures, dp	1800	x2664
846B	Math Show brute force, greedy	1800	x2505
845G	Shortest Path Problem? dfs and similar, graphs, math	2300	x1607
845F	Guards In The Storehouse bitmasks, dp	2500	x447
845E	Fire in the City binary search, data structures	2400	x597
845D	Driving Test data structures, dp, greedy	1800	x2370
845B	Luba And The Ticket brute force, greedy, implementation	1600	x5021
843E	Maximum Flow flows, graphs	3000	x318
843D	Dynamic Shortest Path graphs, shortest paths	3400	x834
843C	Upgrading Tree constructive algorithms, dfs and similar, graphs, math, trees	2600	x360
843B	Interactive LowerBound brute force, interactive, probabilities	2000	x2240
842E	Nikita and game binary search, dfs and similar, divide and conquer, graphs, trees	2800	x417
842D	Vitya and Strange Lesson binary search, data structures	2000	x3633
842C	Ilya And The Tree dfs and similar, graphs, math, number theory, trees	2000	x3475
840E	In a Trap trees	3200	x468
840D	Destiny data structures, probabilities	2500	x2974
840C	On the Bench combinatorics, dp	2500	x1722
840B	Leha and another game about graph constructive algorithms, data structures, dfs and similar, dp, graphs	2100	x2465
839E	Mother of Dragons brute force, graphs, math, meet-in-the-middle	2700	x906
839D	Winter is here combinatorics, dp, math, number theory	2200	x2892
839B	Game of the Rows brute force, greedy, implementation	1900	x3321
838F	Expected Earnings	2800	x97
838E	Convex Countour dp	2300	x354
838D	Airplane Arrangements math, number theory	2700	x890
838C	Future Failure dp, games	2800	x293
838B	Diverging Directions data structures, dfs and similar, trees	2100	x782
837G	Functions On The Segments data structures	2500	x675
837F	Prefix Sums binary search, brute force, combinatorics, math, matrices	2400	x956
837E	Vasya's Function binary search, implementation, math	2100	x1764
837D	Round Subset dp, math	2100	x5443
837B	Flag of Berland brute force, implementation	1600	x3928
835F	Roads in the Kingdom dfs and similar, dp, graphs, trees	2500	x1061
835E	The penguin's game binary search, constructive algorithms, interactive	2400	x1148
835D	Palindromic characteristics brute force, dp, hashing, strings	1900	x4104
835C	Star sky dp, implementation	1600	x7864
833E	Caramel Clouds data structures, dp, sortings	3400	x223
833D	Red-Black Cobweb data structures, divide and conquer, implementation, trees	2800	x392
833C	Ever-Hungry Krakozyabra brute force, combinatorics, greedy, math	2700	x471
833B	The Bakery binary search, data structures, divide and conquer, dp, two pointers	2200	x4903
833A	The Meaningless Game math, number theory	1700	x6166