Problemset - Codeforces

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Codeforces Round (Div. 2)
7 days

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Problems

#	Name
412E	E-mail Addresses implementation	1900	x840
411C	Kicker implementation	1700	x1227
411B	Multi-core Processor implementation	1600	x1277
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x8901
409F	000001 *special problem	1900	x2091
409E	Dome *special problem	1800	x577
409D	Big Data *special problem	1700	x1713
409C	Magnum Opus *special problem	1700	x1978
409B	Mysterious Language *special problem	1700	x1357
409A	The Great Game *special problem	1700	x2467
407B	Long Path dp, implementation	1600	x6532
407A	Triangle brute force, geometry, implementation, math	1600	x4878
405D	Toy Sum greedy, implementation, math	1700	x3117
405C	Unusual Product implementation, math	1600	x4626
404D	Minesweeper 1D dp, implementation	1900	x2150
404C	Restore Graph dfs and similar, graphs, sortings	1800	x5207
404B	Marathon implementation, math	1500	x2925
402D	Upgrading Array dp, greedy, math, number theory	1800	x2610
402C	Searching for Graph brute force, constructive algorithms, graphs	1500	x5885
402B	Trees in a Row brute force, implementation	1400	x3806
401C	Team constructive algorithms, greedy, implementation	1400	x19965
400C	Inna and Huge Candy Matrix implementation, math	1500	x2890
388B	Fox and Minimal path bitmasks, constructive algorithms, graphs, implementation, math	1900	x2473
388A	Fox and Box Accumulation greedy, sortings	1400	x11475
387C	George and Number greedy, implementation	1700	x2185
386B	Fly, freebies, fly! binary search, brute force, implementation	1400	x2164
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9663
384B	Multitasking greedy, implementation, sortings, two pointers	1500	x3526
383A	Milking cows data structures, greedy	1600	x5258
382C	Arithmetic Progression implementation, sortings	1700	x8276
380A	Sereja and Prefixes binary search, brute force	1600	x2681
379C	New Year Ratings Change greedy, sortings	1400	x6549
378B	Semifinals implementation, sortings	1300	x5222
377B	Preparing for the Contest binary search, data structures, greedy, sortings	1900	x2087
377A	Maze dfs and similar	1600	x22408
376B	I.O.U. implementation	1300	x6379
375B	Maximum Submatrix 2 data structures, dp, implementation, sortings	1600	x5053
375A	Divisible by Seven math, number theory	1600	x4823
374C	Inna and Dima dfs and similar, dp, graphs, implementation	1900	x2743
374B	Inna and Nine combinatorics, greedy	1500	x3320
373B	Making Sequences is Fun binary search, implementation, math	1600	x2475
372B	Counting Rectangles is Fun brute force, divide and conquer, dp	1900	x2604
372A	Counting Kangaroos is Fun binary search, greedy, sortings, two pointers	1600	x12951
371D	Vessels data structures, dsu, implementation, trees	1800	x5637
371C	Hamburgers binary search, brute force	1600	x26252
371B	Fox Dividing Cheese math, number theory	1300	x11329
370C	Mittens constructive algorithms, greedy, sortings	1800	x1569
370B	Berland Bingo implementation	1300	x2520
369C	Valera and Elections dfs and similar, graphs, trees	1600	x9994
369B	Valera and Contest constructive algorithms, implementation, math	1400	x6473
367B	Sereja ans Anagrams binary search, data structures	1900	x2466
367A	Sereja and Algorithm data structures, implementation	1500	x4318
366C	Dima and Salad dp	1900	x4818
364A	Matrix combinatorics, data structures, implementation	1600	x4668
363D	Renting Bikes binary search, greedy	1800	x3903
363C	Fixing Typos greedy, implementation	1400	x13314
362C	Insertion Sort data structures, dp, implementation, math	1900	x1752
362A	Two Semiknights Meet greedy, math	1500	x2663
360A	Levko and Array Recovery greedy, implementation	1700	x2055
359C	Prime Number math, number theory	1900	x3032
359B	Permutation constructive algorithms, dp, math	1400	x7961
358D	Dima and Hares dp, greedy	1800	x4018
358B	Dima and Text Messages brute force, strings	1500	x3722
358A	Dima and Continuous Line brute force, implementation	1400	x7744
357B	Flag Day constructive algorithms, implementation	1400	x8182
356B	Xenia and Hamming implementation, math	1900	x1923
356A	Knight Tournament data structures, dsu	1500	x13542
354A	Vasya and Robot brute force, greedy, math	1500	x5473
353C	Find Maximum implementation, math, number theory	1600	x4825
353B	Two Heaps combinatorics, constructive algorithms, greedy, implementation, math, sortings	1900	x2282
352B	Jeff and Periods implementation, sortings	1300	x16420
351B	Jeff and Furik combinatorics, dp, probabilities	1900	x2380
351A	Jeff and Rounding dp, greedy, implementation, math	1800	x2920
350C	Bombs greedy, implementation, sortings	1600	x6543
350B	Resort graphs	1500	x3182
349B	Color the Fence data structures, dp, greedy, implementation	1700	x13954
348A	Mafia binary search, math, sortings	1600	x13032
347A	Difference Row constructive algorithms, implementation, sortings	1300	x8959
346A	Alice and Bob games, math, number theory	1600	x8682
345A	Expecting Trouble *special problem, probabilities	1500	x485
343C	Read Time binary search, greedy, two pointers	1900	x3005
343B	Alternating Current data structures, greedy, implementation	1600	x13804
343A	Rational Resistance math, number theory	1600	x8734
342C	Cupboard and Balloons geometry	1900	x1850
342B	Xenia and Spies brute force, greedy, implementation	1500	x4021
340D	Bubble Sort Graph binary search, data structures, dp	1500	x7172
340C	Tourist Problem combinatorics, implementation, math	1600	x4223
339D	Xenia and Bit Operations data structures, trees	1700	x25568
339C	Xenia and Weights constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	1700	x8305
337C	Quiz binary search, greedy, math, matrices, number theory	1600	x4895
337B	Routine Problem greedy, math, number theory	1400	x9340
336C	Vasily the Bear and Sequence brute force, greedy, implementation, number theory	1800	x2457
336B	Vasily the Bear and Fly math	1900	x1218
335B	Palindrome constructive algorithms, dp	1900	x2090
335A	Banana binary search, constructive algorithms, greedy	1400	x2568
334B	Eight Point Sets sortings	1400	x3596
333B	Chips greedy	1800	x2647
333A	Secrets greedy	1600	x4037
332B	Maximum Absurdity data structures, dp, implementation	1500	x8010
332A	Down the Hatch! implementation	1300	x3556