Problemset - Codeforces

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Codeforces Round (Div. 3)
4 days

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Problems

#	Name
323C	Two permutations data structures	2400	x579
323B	Tournament-graph constructive algorithms, graphs	2200	x386
323A	Black-and-White Cube combinatorics, constructive algorithms	1600	x726
322B	Ciel and Flowers combinatorics, math	1600	x11602
322A	Ciel and Dancing greedy	1000	x8123
321E	Ciel and Gondolas data structures, divide and conquer, dp	2600	x4735
321D	Ciel and Flipboard dp, greedy, math	2900	x529
321C	Ciel the Commander constructive algorithms, dfs and similar, divide and conquer, greedy, trees	2100	x6963
321B	Ciel and Duel dp, flows, greedy	1900	x3011
321A	Ciel and Robot binary search, implementation, math	1700	x3582
320B	Ping-Pong (Easy Version) dfs and similar, graphs	1500	x7131
320A	Magic Numbers brute force, greedy	900	x34564
319E	Ping-Pong data structures	3000	x636
319D	Have You Ever Heard About the Word? greedy, hashing, string suffix structures, strings	2800	x621
319C	Kalila and Dimna in the Logging Industry dp, geometry	2100	x4856
319B	Psychos in a Line data structures, implementation	1900	x4057
319A	Malek Dance Club combinatorics, math	1600	x2770
318B	Strings of Power implementation, strings, two pointers	1300	x7433
318A	Even Odds math	900	x108982
317E	Princess and Her Shadow constructive algorithms, shortest paths	3100	x153
317D	Game with Powers dp, games	2300	x989
317C	Balance constructive algorithms, dfs and similar, graphs, trees	2500	x491
317B	Ants brute force, implementation	2000	x1590
317A	Perfect Pair brute force	1600	x4559
316G3	Good Substrings string suffix structures	2400	x489
316G2	Good Substrings string suffix structures	2200	x467
316G1	Good Substrings hashing, strings	1700	x935
316F3	Suns and Rays constructive algorithms, dfs and similar, implementation	2200	x164
316F2	Suns and Rays	2300	x150
316F1	Suns and Rays dfs and similar, implementation	2200	x165
316E3	Summer Homework data structures, math	2300	x509
316E2	Summer Homework data structures, math	2300	x384
316E1	Summer Homework brute force, data structures	1500	x1455
316D3	PE Lesson dp, math	2400	x557
316D2	PE Lesson dp	2300	x439
316D1	PE Lesson brute force, dp	2300	x499
316C2	Tidying Up flows, graph matchings	2300	x620
316C1	Tidying Up flows	2200	x550
316B2	EKG dfs and similar, dp	1600	x1574
316B1	EKG brute force, dfs and similar	1500	x1364
316A2	Special Task math	1400	x2114
316A1	Special Task greedy	1100	x2612
315B	Sereja and Array implementation	1200	x6909
315A	Sereja and Bottles brute force	1400	x10863
314E	Sereja and Squares dp	2900	x366
314D	Sereja and Straight Lines binary search, data structures, geometry, sortings, two pointers	2500	x518
314C	Sereja and Subsequences data structures, dp	2000	x1813
314B	Sereja and Periods binary search, dfs and similar, strings	2000	x1457
314A	Sereja and Contest implementation	1600	x2062
313E	Ilya and Two Numbers constructive algorithms, data structures, dsu, greedy	2300	x542
313D	Ilya and Roads dp	2100	x1444
313C	Ilya and Matrix constructive algorithms, greedy, implementation, sortings	1400	x5569
313B	Ilya and Queries dp, implementation	1100	x42393
313A	Ilya and Bank Account implementation, number theory	900	x54642
312B	Archer math, probabilities	1300	x11256
312A	Whose sentence is it? implementation, strings	1100	x4923
311E	Biologist flows	2300	x1078
311D	Interval Cubing data structures, math	2600	x660
311C	Fetch the Treasure brute force, data structures, graphs, shortest paths	2500	x477
311B	Cats Transport data structures, dp	2400	x3301
311A	The Closest Pair constructive algorithms, implementation	1300	x4010
309E	Sheep binary search, greedy	2900	x220
309D	Tennis Rackets brute force, geometry	2700	x173
309C	Memory for Arrays binary search, bitmasks, greedy	1900	x1297
309B	Context Advertising dp, two pointers	2100	x564
309A	Morning run binary search, math, two pointers	2000	x461
306D	Polygon constructive algorithms, geometry	2300	x266
306C	White, Black and White Again combinatorics, number theory	2100	x464
306B	Optimizer data structures, greedy, sortings	2100	x439
306A	Candies implementation	800	x6650
305E	Playing with String games	2300	x609
305D	Olya and Graph combinatorics, math	2200	x456
305C	Ivan and Powers of Two greedy, implementation	1600	x2430
305B	Continued Fractions brute force, implementation, math	1700	x2045
305A	Strange Addition brute force, constructive algorithms, implementation	1600	x4676
304B	Calendar brute force, implementation	1300	x2949
304A	Pythagorean Theorem II brute force, math	1200	x10296
303E	Random Ranking dp, math, probabilities	3000	x315
303D	Rotatable Number math, number theory	2600	x291
303C	Minimum Modular brute force, graphs, math, number theory	2400	x866
303B	Rectangle Puzzle II implementation, math	1700	x1335
303A	Lucky Permutation Triple constructive algorithms, implementation, math	1300	x7773
302B	Eugeny and Play List binary search, implementation, two pointers	1200	x7884
302A	Eugeny and Array implementation	800	x8990
301E	Yaroslav and Arrangements dp	2800	x364
301D	Yaroslav and Divisors data structures	2200	x2277
301C	Yaroslav and Algorithm constructive algorithms	2500	x461
301B	Yaroslav and Time binary search, graphs, shortest paths	2100	x2366
301A	Yaroslav and Sequence constructive algorithms	1800	x3054
300E	Empire Strikes Back binary search, math, number theory	2300	x1028
300D	Painting Square dp, fft	2300	x742
300C	Beautiful Numbers brute force, combinatorics	1800	x9071
300B	Coach brute force, dfs and similar, graphs	1500	x6184
300A	Array brute force, constructive algorithms, implementation	1100	x22229
299B	Ksusha the Squirrel brute force, implementation	900	x5209
299A	Ksusha and Array brute force, number theory, sortings	1000	x7837
298B	Sail brute force, greedy, implementation	1200	x13763
298A	Snow Footprints greedy, implementation	1300	x10672
297E	Mystic Carvings data structures	3000	x363
297D	Color the Carpet constructive algorithms	2500	x499