Problemset - Codeforces

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Codeforces Round 962 (Div. 3)
25:38:45
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number theory

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Problems

#	Name
547C	Mike and Foam bitmasks, combinatorics, dp, math, number theory	2300	x2773
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11532
542D	Superhero's Job dfs and similar, dp, hashing, math, number theory	2600	x502
520E	Pluses everywhere combinatorics, dp, math, number theory	2200	x1840
519C	A and B and Team Training greedy, implementation, math, number theory	1300	x19485
516E	Drazil and His Happy Friends math, number theory	3100	x490
515B	Drazil and His Happy Friends brute force, dsu, meet-in-the-middle, number theory	1300	x7402
500G	New Year Running number theory, trees	3200	x157
498D	Traffic Jams in the Land data structures, dp, number theory	2400	x1101
498C	Array and Operations flows, graph matchings, number theory	2100	x3364
495B	Modular Equations math, number theory	1600	x6713
490D	Chocolate brute force, dfs and similar, math, meet-in-the-middle, number theory	1900	x2076
490C	Hacking Cypher brute force, math, number theory, strings	1700	x8998
487C	Prefix Product Sequence constructive algorithms, math, number theory	2300	x2628
483A	Counterexample brute force, implementation, math, number theory	1100	x22666
474F	Ant colony data structures, math, number theory	2100	x8239
472A	Design Tutorial: Learn from Math math, number theory	800	x58435
463E	Caisa and Tree brute force, dfs and similar, math, number theory, trees	2100	x1583
460B	Little Dima and Equation brute force, implementation, math, number theory	1500	x12221
456B	Fedya and Maths math, number theory	1200	x16361
451E	Devu and Flowers bitmasks, combinatorics, number theory	2300	x3494
449E	Jzzhu and Squares dp, math, number theory	2900	x285
449C	Jzzhu and Apples constructive algorithms, number theory	2500	x2227
448E	Divisors brute force, dfs and similar, implementation, number theory	2200	x1473
446C	DZY Loves Fibonacci Numbers data structures, math, number theory	2400	x3237
439C	Devu and Partitioning of the Array brute force, constructive algorithms, implementation, number theory	1700	x3819
438E	The Child and Binary Tree combinatorics, divide and conquer, fft, number theory	3100	x1843
414B	Mashmokh and ACM combinatorics, dp, number theory	1400	x21524
414A	Mashmokh and Numbers constructive algorithms, number theory	1500	x9725
402D	Upgrading Array dp, greedy, math, number theory	1800	x2538
401D	Roman and Numbers bitmasks, brute force, combinatorics, dp, number theory	2000	x4079
396B	On Sum of Fractions math, number theory		x1061
396A	On Number of Decompositions into Multipliers combinatorics, math, number theory		x1495
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9510
375A	Divisible by Seven math, number theory	1600	x4760
371B	Fox Dividing Cheese math, number theory	1300	x11169
364C	Beautiful Set brute force, number theory	2300	x590
361B	Levko and Permutation constructive algorithms, math, number theory	1200	x7962
360D	Levko and Sets number theory	2600	x399
359C	Prime Number math, number theory	1900	x2992
354C	Vasya and Beautiful Arrays brute force, dp, number theory	2100	x3025
353C	Find Maximum implementation, math, number theory	1600	x4779
348B	Apple Tree dfs and similar, number theory, trees	2100	x2068
346E	Doodle Jump math, number theory	3000	x260
346A	Alice and Bob games, math, number theory	1600	x8593
343A	Rational Resistance math, number theory	1600	x8637
338D	GCD Table chinese remainder theorem, math, number theory	2900	x1107
337E	Divisor Tree brute force, number theory, trees	2200	x1013
337C	Quiz binary search, greedy, math, matrices, number theory	1600	x4838
337B	Routine Problem greedy, math, number theory	1400	x9224
336D	Vasily the Bear and Beautiful Strings combinatorics, math, number theory	2100	x939
336C	Vasily the Bear and Sequence brute force, greedy, implementation, number theory	1800	x2434
313A	Ilya and Bank Account implementation, number theory	900	x54918
306C	White, Black and White Again combinatorics, number theory	2100	x471
303D	Rotatable Number math, number theory	2600	x293
303C	Minimum Modular brute force, graphs, math, number theory	2400	x866
300E	Empire Strikes Back binary search, math, number theory	2300	x1029
299A	Ksusha and Array brute force, number theory, sortings	1000	x7859
294D	Shaass and Painter Robot brute force, implementation, number theory	2500	x309
294C	Shaass and Lights combinatorics, number theory	1900	x3756
293C	Cube Problem brute force, math, number theory	2400	x564
284A	Cows and Primitive Roots implementation, math, number theory	1400	x6490
283D	Cows and Cool Sequences dp, math, number theory	2400	x529
279E	Beautiful Decomposition dp, games, greedy, number theory	1900	x1420
271E	Three Horses constructive algorithms, math, number theory	2200	x482
271B	Prime Matrix binary search, brute force, math, number theory	1300	x12722
267A	Subtractions math, number theory	900	x7321
264B	Good Sequences dp, number theory	1500	x9897
251C	Number Transformation dp, greedy, number theory	2000	x1013
248B	Chilly Willy math, number theory	1400	x5251
237C	Primes on Interval binary search, number theory, two pointers	1600	x5646
236B	Easy Number Challenge implementation, number theory	1300	x13843
235E	Number Challenge combinatorics, dp, implementation, math, number theory	2600	x767
235A	LCM Challenge number theory	1600	x17318
230B	T-primes binary search, implementation, math, number theory	1300	x72601
226C	Anniversary data structures, implementation, math, matrices, number theory	2400	x853
225E	Unsolvable math, number theory	2100	x792
225B	Well-known Numbers binary search, greedy, number theory	1600	x3125
223C	Partial Sums combinatorics, math, number theory	1900	x1532
222C	Reducing Fractions implementation, math, number theory, sortings	1800	x2124
216E	Martian Luck math, number theory	2000	x565
215E	Periodical Numbers combinatorics, dp, number theory	2100	x545
200E	Tractor College implementation, math, number theory, ternary search	2400	x340
199A	Hexadecimal's theorem brute force, constructive algorithms, implementation, number theory	900	x25771
185D	Visit of the Great math, number theory	2600	x392
180B	Divisibility Rules math, number theory	2300	x331
177B2	Rectangular Game number theory	1200	x2900
177B1	Rectangular Game number theory	1000	x4085
172D	Calendar Reform *special problem, number theory	1500	x1388
172B	Pseudorandom Sequence Period *special problem, implementation, number theory	1200	x2700
171F	ucyhf *special problem, brute force, implementation, number theory	1600	x1262
158D	Ice Sculptures *special problem, brute force, number theory	1300	x6206
154B	Colliders math, number theory	1600	x4413
150A	Win or Freeze games, math, number theory	1400	x7671
134B	Pairs of Numbers brute force, dfs and similar, math, number theory	1900	x1974
123A	Prime Permutation implementation, number theory, strings	1300	x3548
122A	Lucky Division brute force, number theory	1000	x119493
121C	Lucky Permutation brute force, combinatorics, number theory	1900	x1274
117B	Very Interesting Game brute force, number theory	1800	x1547
113C	Double Happiness brute force, math, number theory	2200	x1217