Problemset - Codeforces

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Codeforces Round (Div. 2)
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Problems

#	Name
321E	Ciel and Gondolas data structures, divide and conquer, dp	2600	x4922
321D	Ciel and Flipboard dp, greedy, math	2900	x545
321C	Ciel the Commander constructive algorithms, dfs and similar, divide and conquer, greedy, trees	2100	x7220
321B	Ciel and Duel dp, flows, greedy	1900	x3084
321A	Ciel and Robot binary search, implementation, math	1700	x3621
320B	Ping-Pong (Easy Version) dfs and similar, graphs	1500	x7238
320A	Magic Numbers brute force, greedy	900	x35569
319E	Ping-Pong data structures	3000	x648
319D	Have You Ever Heard About the Word? greedy, hashing, string suffix structures, strings	2800	x653
319C	Kalila and Dimna in the Logging Industry dp, geometry	2100	x5175
319B	Psychos in a Line data structures, implementation	1900	x4147
319A	Malek Dance Club combinatorics, math	1600	x2792
318B	Strings of Power implementation, strings, two pointers	1300	x7516
318A	Even Odds math	900	x113237
317E	Princess and Her Shadow constructive algorithms, shortest paths	3100	x153
317D	Game with Powers dp, games	2300	x1059
317C	Balance constructive algorithms, dfs and similar, graphs, trees	2500	x500
317B	Ants brute force, implementation	2000	x1600
317A	Perfect Pair brute force	1600	x4643
316G3	Good Substrings string suffix structures	2400	x496
316G2	Good Substrings string suffix structures	2200	x474
316G1	Good Substrings hashing, strings	1700	x964
316F3	Suns and Rays constructive algorithms, dfs and similar, implementation	2200	x182
316F2	Suns and Rays	2300	x166
316F1	Suns and Rays dfs and similar, implementation	2200	x180
316E3	Summer Homework data structures, math	2300	x529
316E2	Summer Homework data structures, math	2300	x395
316E1	Summer Homework brute force, data structures	1500	x1478
316D3	PE Lesson dp, math	2400	x586
316D2	PE Lesson dp	2300	x451
316D1	PE Lesson brute force, dp	2300	x517
316C2	Tidying Up flows, graph matchings	2300	x628
316C1	Tidying Up flows	2200	x556
316B2	EKG dfs and similar, dp	1600	x1583
316B1	EKG brute force, dfs and similar	1500	x1372
316A2	Special Task math	1400	x2137
316A1	Special Task greedy	1100	x2661
315B	Sereja and Array implementation	1200	x6994
315A	Sereja and Bottles brute force	1400	x11102
314E	Sereja and Squares dp	2900	x370
314D	Sereja and Straight Lines binary search, data structures, geometry, sortings, two pointers	2500	x523
314C	Sereja and Subsequences data structures, dp	2000	x1832
314B	Sereja and Periods binary search, dfs and similar, strings	2000	x1517
314A	Sereja and Contest implementation	1600	x2073
313E	Ilya and Two Numbers constructive algorithms, data structures, dsu, greedy	2300	x545
313D	Ilya and Roads dp	2100	x1459
313C	Ilya and Matrix constructive algorithms, greedy, implementation, sortings	1400	x5625
313B	Ilya and Queries dp, implementation	1100	x44107
313A	Ilya and Bank Account implementation, number theory	900	x56059
312B	Archer math, probabilities	1300	x11491
312A	Whose sentence is it? implementation, strings	1100	x4974
311E	Biologist flows	2300	x1171
311D	Interval Cubing data structures, math	2600	x669
311C	Fetch the Treasure brute force, data structures, graphs, shortest paths	2500	x480
311B	Cats Transport data structures, dp	2400	x3418
311A	The Closest Pair constructive algorithms, implementation	1300	x4032
309E	Sheep binary search, greedy	2900	x222
309D	Tennis Rackets brute force, geometry	2700	x174
309C	Memory for Arrays binary search, bitmasks, greedy	1900	x1340
309B	Context Advertising dp, two pointers	2100	x711
309A	Morning run binary search, math, two pointers	2000	x487
306D	Polygon constructive algorithms, geometry	2300	x282
306C	White, Black and White Again combinatorics, number theory	2100	x483
306B	Optimizer data structures, greedy, sortings	2100	x442
306A	Candies implementation	800	x6790
305E	Playing with String games	2300	x626
305D	Olya and Graph combinatorics, math	2200	x507
305C	Ivan and Powers of Two greedy, implementation	1600	x2445
305B	Continued Fractions brute force, implementation, math	1700	x2061
305A	Strange Addition brute force, constructive algorithms, implementation	1600	x4774
304B	Calendar brute force, implementation	1300	x2976
304A	Pythagorean Theorem II brute force, math	1200	x10560
303E	Random Ranking dp, math, probabilities	3000	x319
303D	Rotatable Number math, number theory	2600	x296
303C	Minimum Modular brute force, graphs, math, number theory	2400	x875
303B	Rectangle Puzzle II implementation, math	1700	x1346
303A	Lucky Permutation Triple constructive algorithms, implementation, math	1300	x7906
302B	Eugeny and Play List binary search, implementation, two pointers	1200	x8110
302A	Eugeny and Array implementation	800	x9077
301E	Yaroslav and Arrangements dp	2800	x365
301D	Yaroslav and Divisors data structures	2200	x2350
301C	Yaroslav and Algorithm constructive algorithms	2500	x471
301B	Yaroslav and Time binary search, graphs, shortest paths	2100	x2394
301A	Yaroslav and Sequence constructive algorithms	1800	x3076
300E	Empire Strikes Back binary search, math, number theory	2300	x1040
300D	Painting Square dp, fft	2300	x753
300C	Beautiful Numbers brute force, combinatorics	1800	x9437
300B	Coach brute force, dfs and similar, graphs	1500	x6289
300A	Array brute force, constructive algorithms, implementation	1100	x22720
299B	Ksusha the Squirrel brute force, implementation	900	x5293
299A	Ksusha and Array brute force, number theory, sortings	1000	x8056
298B	Sail brute force, greedy, implementation	1200	x14093
298A	Snow Footprints greedy, implementation	1300	x10913
297E	Mystic Carvings data structures	3000	x373
297D	Color the Carpet constructive algorithms	2500	x587
297C	Splitting the Uniqueness constructive algorithms	2400	x956
297B	Fish Weight constructive algorithms, greedy	1600	x3480
297A	Parity Game constructive algorithms	1700	x3622
296B	Yaroslav and Two Strings combinatorics, dp	2000	x2244
296A	Yaroslav and Permutations greedy, math	1100	x23078