Problemset - Codeforces

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Codeforces Round 986 (Div. 2)
09:37:56
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Problems

#	Name
500C	New Year Book Reading constructive algorithms, greedy, implementation, math	1600	x5827
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x8901
497D	Gears brute force, geometry, math	2900	x231
496A	Minimum Difficulty brute force, implementation, math	900	x16442
495B	Modular Equations math, number theory	1600	x6999
493E	Vasya and Polynomial math	2800	x485
493D	Vasya and Chess constructive algorithms, games, math	1700	x9709
492E	Vanya and Field math	2000	x1630
492D	Vanya and Computer Game binary search, implementation, math, sortings	1800	x3158
492B	Vanya and Lanterns binary search, implementation, math, sortings	1200	x76233
491B	New York Hotel greedy, math	2100	x567
490D	Chocolate brute force, dfs and similar, math, meet-in-the-middle, number theory	1900	x2144
490C	Hacking Cypher brute force, math, number theory, strings	1700	x9099
488B	Candy Boxes brute force, constructive algorithms, math	1900	x2125
487C	Prefix Product Sequence constructive algorithms, math, number theory	2300	x2790
486E	LIS of Sequence data structures, dp, greedy, hashing, math	2200	x2280
486D	Valid Sets dfs and similar, dp, math, trees	2100	x4042
486A	Calculating Function implementation, math	800	x120167
485A	Factory implementation, math, matrices	1400	x8300
484C	Strange Sorting implementation, math	2600	x592
484B	Maximum Value binary search, math, sortings, two pointers	2100	x7068
483B	Friends and Presents binary search, math	1800	x4088
483A	Counterexample brute force, implementation, math, number theory	1100	x23173
479A	Expression brute force, math	1000	x94929
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x36800
476D	Dreamoon and Sets constructive algorithms, greedy, math	1900	x4681
476C	Dreamoon and Sums math	1600	x5750
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x31027
476A	Dreamoon and Stairs implementation, math	1000	x44225
475D	CGCDSSQ brute force, data structures, math	2000	x4954
474F	Ant colony data structures, math, number theory	2100	x8769
472F	Design Tutorial: Change the Goal constructive algorithms, math, matrices	2700	x258
472A	Design Tutorial: Learn from Math math, number theory	800	x60497
471C	MUH and House of Cards binary search, brute force, greedy, math	1700	x3568
468E	Permanent dp, graph matchings, math, meet-in-the-middle	3100	x322
468C	Hack it! binary search, constructive algorithms, math	2500	x2418
468A	24 Game constructive algorithms, greedy, math	1500	x8005
466B	Wonder Room brute force, math	2000	x4921
463E	Caisa and Tree brute force, dfs and similar, math, number theory, trees	2100	x1606
463B	Caisa and Pylons brute force, implementation, math	1100	x27409
461D	Appleman and Complicated Task dsu, math	2800	x364
460E	Roland and Rose brute force, geometry, math, sortings	2700	x343
460D	Little Victor and Set brute force, constructive algorithms, math	2300	x999
460B	Little Dima and Equation brute force, implementation, math, number theory	1500	x12413
460A	Vasya and Socks brute force, implementation, math	900	x46321
459C	Pashmak and Buses combinatorics, constructive algorithms, math	1900	x6191
457E	Flow Optimality constructive algorithms, flows, math	3000	x96
457D	Bingo! combinatorics, math, probabilities	2700	x281
457A	Golden System math, meet-in-the-middle	1700	x1284
456B	Fedya and Maths math, number theory	1200	x16800
452C	Magic Trick combinatorics, math, probabilities	2100	x1630
451D	Count Good Substrings math	2000	x4773
451C	Predict Outcome of the Game brute force, implementation, math	1700	x3386
450B	Jzzhu and Sequences implementation, math	1300	x26425
449E	Jzzhu and Squares dp, math, number theory	2900	x285
449A	Jzzhu and Chocolate greedy, math	1700	x3948
446E	DZY Loves Bridges math, matrices	3100	x133
446D	DZY Loves Games math, matrices, probabilities	2800	x395
446C	DZY Loves Fibonacci Numbers data structures, math, number theory	2400	x3362
444A	DZY Loves Physics greedy, math	1600	x3426
442B	Andrey and Problem greedy, math, probabilities	1800	x5271
441E	Valera and Number bitmasks, dp, math, probabilities	2400	x707
441D	Valera and Swaps constructive algorithms, dsu, graphs, implementation, math, string suffix structures	2100	x1112
439E	Devu and Birthday Celebration combinatorics, dp, math	2100	x1572
438D	The Child and Sequence data structures, math	2300	x8709
436B	Om Nom and Spiders implementation, math	1400	x3056
433C	Ryouko's Memory Note implementation, math, sortings	1800	x2487
431D	Random Task binary search, bitmasks, combinatorics, dp, math	2100	x2320
427E	Police Patrol greedy, implementation, math, ternary search	2000	x1432
424C	Magic Formulas math	1600	x5431
417E	Square Table constructive algorithms, math, probabilities	2400	x841
417A	Elimination dp, implementation, math	1500	x3017
416D	Population Size greedy, implementation, math	2400	x950
415B	Mashmokh and Tokens binary search, greedy, implementation, math	1500	x6319
413C	Jeopardy! greedy, math	1400	x2386
407C	Curious Array brute force, combinatorics, implementation, math	2500	x1007
407A	Triangle brute force, geometry, implementation, math	1600	x4895
406E	Hamming Triples implementation, math, two pointers	2800	x248
405D	Toy Sum greedy, implementation, math	1700	x3123
405C	Unusual Product implementation, math	1600	x4675
404B	Marathon implementation, math	1500	x2931
402E	Strictly Positive Matrix graphs, math	2200	x2192
402D	Upgrading Array dp, greedy, math, number theory	1800	x2621
402A	Nuts greedy, math	1100	x4611
401E	Olympic Games math	2500	x168
401B	Sereja and Contests greedy, implementation, math	1200	x4435
401A	Vanya and Cards implementation, math	800	x16315
400C	Inna and Huge Candy Matrix implementation, math	1500	x2900
397B	On Corruption and Numbers constructive algorithms, implementation, math		x753
396E	On Iteration of One Well-Known Function math		x152
396D	On Sum of Number of Inversions in Permutations combinatorics, math		x437
396B	On Sum of Fractions math, number theory		x1079
396A	On Number of Decompositions into Multipliers combinatorics, math, number theory		x1512
394D	Physical Education and Buns brute force, implementation, math		x271
394B	Very Beautiful Number math		x575
392C	Yet Another Number Sequence combinatorics, math, matrices		x591
392A	Blocked Points math		x975
389A	Fox and Number Game greedy, math	1000	x14083
388D	Fox and Perfect Sets math	2700	x443
388B	Fox and Minimal path bitmasks, constructive algorithms, graphs, implementation, math	1900	x2480