Problemset - Codeforces

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Codeforces Round (Div. 1 + Div. 2)
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Problems

#	Name
413C	Jeopardy! greedy, math	1400	x2305
407C	Curious Array brute force, combinatorics, implementation, math	2500	x955
407A	Triangle brute force, geometry, implementation, math	1600	x4754
406E	Hamming Triples implementation, math, two pointers	2800	x228
405D	Toy Sum greedy, implementation, math	1700	x3089
405C	Unusual Product implementation, math	1600	x4571
404B	Marathon implementation, math	1500	x2895
402E	Strictly Positive Matrix graphs, math	2200	x2083
402D	Upgrading Array dp, greedy, math, number theory	1800	x2520
402A	Nuts greedy, math	1100	x4517
401E	Olympic Games math	2500	x167
401B	Sereja and Contests greedy, implementation, math	1200	x4387
401A	Vanya and Cards implementation, math	800	x15884
400C	Inna and Huge Candy Matrix implementation, math	1500	x2873
397B	On Corruption and Numbers constructive algorithms, implementation, math		x735
396E	On Iteration of One Well-Known Function math		x144
396D	On Sum of Number of Inversions in Permutations combinatorics, math		x407
396B	On Sum of Fractions math, number theory		x1044
396A	On Number of Decompositions into Multipliers combinatorics, math, number theory		x1461
394D	Physical Education and Buns brute force, implementation, math		x261
394B	Very Beautiful Number math		x567
392C	Yet Another Number Sequence combinatorics, math, matrices		x579
392A	Blocked Points math		x964
389A	Fox and Number Game greedy, math	1000	x13857
388D	Fox and Perfect Sets math	2700	x437
388B	Fox and Minimal path bitmasks, constructive algorithms, graphs, implementation, math	1900	x2437
385E	Bear in the Field math, matrices	2300	x559
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9403
385B	Bear and Strings brute force, greedy, implementation, math, strings	1200	x9555
382B	Number Busters binary search, math	2000	x1386
380D	Sereja and Cinema combinatorics, math	2500	x411
376A	Lever implementation, math	900	x9037
375E	Red and Black Tree dp, implementation, math	3000	x398
375A	Divisible by Seven math, number theory	1600	x4667
373B	Making Sequences is Fun binary search, implementation, math	1600	x2439
372C	Watching Fireworks is Fun data structures, dp, math	2100	x3647
371E	Subway Innovation greedy, math, two pointers	2000	x1208
371B	Fox Dividing Cheese math, number theory	1300	x10936
371A	K-Periodic Array greedy, implementation, math	1000	x5956
370A	Rook, Bishop and King graphs, math, shortest paths	1100	x9936
369B	Valera and Contest constructive algorithms, implementation, math	1400	x6300
366E	Dima and Magic Guitar brute force, implementation, math	2200	x743
364D	Ghd brute force, math, probabilities	2900	x1972
362C	Insertion Sort data structures, dp, implementation, math	1900	x1655
362A	Two Semiknights Meet greedy, math	1500	x2631
361B	Levko and Permutation constructive algorithms, math, number theory	1200	x7898
359D	Pair of Numbers binary search, brute force, data structures, math, two pointers	2000	x4850
359C	Prime Number math, number theory	1900	x2942
359B	Permutation constructive algorithms, dp, math	1400	x7733
356B	Xenia and Hamming implementation, math	1900	x1888
354A	Vasya and Robot brute force, greedy, math	1500	x5399
353C	Find Maximum implementation, math, number theory	1600	x4747
353B	Two Heaps combinatorics, constructive algorithms, greedy, implementation, math, sortings	1900	x2177
353A	Domino implementation, math	1200	x17883
352A	Jeff and Digits brute force, implementation, math	1000	x24717
351A	Jeff and Rounding dp, greedy, implementation, math	1800	x2684
348A	Mafia binary search, math, sortings	1600	x12657
347B	Fixed Points brute force, implementation, math	1100	x9156
346E	Doodle Jump math, number theory	3000	x253
346C	Number Transformation II greedy, math	2200	x1419
346A	Alice and Bob games, math, number theory	1600	x8474
344B	Simple Molecules brute force, graphs, math	1200	x8693
343A	Rational Resistance math, number theory	1600	x8542
340E	Iahub and Permutations combinatorics, math	2000	x2300
340C	Tourist Problem combinatorics, implementation, math	1600	x4120
340A	The Wall math	1200	x7434
338D	GCD Table chinese remainder theorem, math, number theory	2900	x1095
337C	Quiz binary search, greedy, math, matrices, number theory	1600	x4781
337B	Routine Problem greedy, math, number theory	1400	x9105
336D	Vasily the Bear and Beautiful Strings combinatorics, math, number theory	2100	x934
336B	Vasily the Bear and Fly math	1900	x1176
336A	Vasily the Bear and Triangle implementation, math	1000	x9881
335E	Counting Skyscrapers dp, math, probabilities	2800	x218
332D	Theft of Blueprints graphs, math	2400	x381
329E	Evil math	3100	x165
327C	Magic Five combinatorics, math	1700	x3116
327B	Hungry Sequence math	1200	x19044
325B	Stadium and Games binary search, math	1800	x1471
322B	Ciel and Flowers combinatorics, math	1600	x11522
321D	Ciel and Flipboard dp, greedy, math	2900	x527
321A	Ciel and Robot binary search, implementation, math	1700	x3553
319A	Malek Dance Club combinatorics, math	1600	x2759
318A	Even Odds math	900	x106868
316E3	Summer Homework data structures, math	2300	x505
316E2	Summer Homework data structures, math	2300	x380
316D3	PE Lesson dp, math	2400	x535
316A2	Special Task math	1400	x2101
312B	Archer math, probabilities	1300	x11092
311D	Interval Cubing data structures, math	2600	x659
309A	Morning run binary search, math, two pointers	2000	x459
305D	Olya and Graph combinatorics, math	2200	x453
305B	Continued Fractions brute force, implementation, math	1700	x2034
304A	Pythagorean Theorem II brute force, math	1200	x10146
303E	Random Ranking dp, math, probabilities	3000	x312
303D	Rotatable Number math, number theory	2600	x279
303C	Minimum Modular brute force, graphs, math, number theory	2400	x854
303B	Rectangle Puzzle II implementation, math	1700	x1331
303A	Lucky Permutation Triple constructive algorithms, implementation, math	1300	x7712
300E	Empire Strikes Back binary search, math, number theory	2300	x1027
296A	Yaroslav and Permutations greedy, math	1100	x22055