Problemset - Codeforces

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Codeforces Round #744 (Div. 3)
3 days
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combinatorics

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Problems

#	Name
459B	Pashmak and Flowers combinatorics, implementation, sortings	1300	x25035
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x23703
1328B	K-th Beautiful String binary search, brute force, combinatorics, implementation, math	1300	x20939
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x19542
1499A	Domino on Windowsill combinatorics, constructive algorithms, math	800	x18334
1543B	Customising the Track combinatorics, greedy, math	900	x17185
1293B	JOE is on TV! combinatorics, greedy, math	1000	x16813
1272C	Yet Another Broken Keyboard combinatorics, dp, implementation	1200	x16376
535B	Tavas and SaDDas bitmasks, brute force, combinatorics, implementation	1100	x15587
1539A	Contest Start combinatorics, geometry, greedy, math	1000	x14466
414B	Mashmokh and ACM combinatorics, dp, number theory	1400	x14251
1514B	AND 0, Sum Big bitmasks, combinatorics, math	1200	x14108
1475C	Ball in Berland combinatorics, graphs, math	1400	x13962
610A	Pasha and Stick combinatorics, math	1000	x13788
1433E	Two Round Dances combinatorics, math	1300	x13720
630C	Lucky Numbers combinatorics, math	1100	x12867
1326C	Permutation Partitions combinatorics, greedy, math	1300	x12841
617B	Chocolate combinatorics	1300	x12356
1166A	Silent Classroom combinatorics, greedy	900	x11839
1391C	Cyclic Permutations combinatorics, dp, graphs, math	1500	x11812
251A	Points on Line binary search, combinatorics, two pointers	1300	x11025
1574B	Combinatorics Homework combinatorics, greedy, math	1100	x11015
1552B	Running for Gold combinatorics, graphs, greedy, sortings	1500	x10448
629A	Far Relative’s Birthday Cake brute force, combinatorics, constructive algorithms, implementation	800	x10382
1007A	Reorder the Array combinatorics, data structures, math, sortings, two pointers	1300	x10014
1305C	Kuroni and Impossible Calculation brute force, combinatorics, math, number theory	1600	x9944
1513B	AND Sequences bitmasks, combinatorics, constructive algorithms, math	1400	x9289
1462E1	Close Tuples (easy version) binary search, combinatorics, math, sortings, two pointers	1500	x9260
1215B	The Number of Products combinatorics, dp, implementation	1400	x9248
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1400	x8992
1534C	Little Alawn's Puzzle combinatorics, dp, dsu, graphs, math	1300	x8888
584B	Kolya and Tanya combinatorics	1500	x8877
1475E	Advertising Agency combinatorics, math, sortings	1600	x8871
1288C	Two Arrays combinatorics, dp	1600	x8838
322B	Ciel and Flowers combinatorics, math	1600	x8834
621B	Wet Shark and Bishops combinatorics, implementation	1300	x8775
1236B	Alice and the List of Presents combinatorics, math	1500	x8711
1178C	Tiles combinatorics, greedy, math	1300	x8620
1096B	Substring Removal combinatorics, math, strings	1300	x8302
1436C	Binary Search binary search, combinatorics	1500	x8225
1105C	Ayoub and Lost Array combinatorics, dp, math	1500	x8221
804B	Minimum number of steps combinatorics, greedy, implementation, math	1400	x8184
152C	Pocket Book combinatorics	1400	x8123
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x8029
131C	The World is a Theatre combinatorics, math	1400	x7699
577B	Modulo Sum combinatorics, data structures, dp, two pointers	1900	x7607
1301C	Ayoub's function binary search, combinatorics, greedy, math, strings	1700	x7489
1400D	Zigzags brute force, combinatorics, data structures, math, two pointers	1900	x7263
1569C	Jury Meeting combinatorics, math	1500	x7225
978E	Bus Video System combinatorics, math	1400	x7012
1327E	Count The Blocks combinatorics, dp, math	1800	x6929
553A	Kyoya and Colored Balls combinatorics, dp, math	1500	x6921
1312D	Count the Arrays combinatorics, math	1700	x6828
1195D1	Submarine in the Rybinsk Sea (easy edition) combinatorics, math, number theory	1500	x6707
840A	Leha and Function combinatorics, greedy, math, number theory, sortings	1300	x6528
1284C	New Year and Permutation combinatorics, math	1600	x6427
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x6385
1422C	Bargain combinatorics, dp, math	1700	x6367
1528B	Kavi on Pairing Duty combinatorics, dp, math	1700	x6325
1452D	Radio Towers combinatorics, dp, math	1600	x6226
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x6211
1084C	The Fair Nut and String combinatorics, dp, implementation	1500	x6157
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x6064
1557C	Moamen and XOR bitmasks, combinatorics, dp, math, matrices	1700	x6015
300C	Beautiful Numbers brute force, combinatorics	1800	x5933
489D	Unbearable Controversy of Being brute force, combinatorics, dfs and similar, graphs	1700	x5729
1420D	Rescue Nibel! combinatorics, data structures, sortings	1800	x5511
1329B	Dreamoon Likes Sequences bitmasks, combinatorics, math	1700	x5476
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x5466
1081C	Colorful Bricks combinatorics, dp, math	1500	x5400
844B	Rectangles combinatorics, math	1300	x5356
677C	Vanya and Label bitmasks, combinatorics, implementation, strings	1500	x5321
608B	Hamming Distance Sum combinatorics, strings	1500	x5300
459C	Pashmak and Buses combinatorics, constructive algorithms, math	1900	x5255
1036C	Classy Numbers combinatorics, dp	1900	x5150
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x5126
1444B	Divide and Sum combinatorics, math, sortings	1900	x4792
630F	Selection of Personnel combinatorics, math	1300	x4756
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x4646
1238D	AB-string binary search, combinatorics, dp, strings	1900	x4638
888D	Almost Identity Permutations combinatorics, dp, math	1600	x4571
1207D	Number Of Permutations combinatorics	1800	x4565
1359E	Modular Stability combinatorics, math, number theory	2000	x4512
1279D	Santa's Bot combinatorics, math, probabilities	1700	x4434
204A	Little Elephant and Interval binary search, combinatorics, dp	1500	x4398
621C	Wet Shark and Flowers combinatorics, math, number theory, probabilities	1700	x4352
1371E1	Asterism (Easy Version) binary search, brute force, combinatorics, math, number theory, sortings	1900	x4234
1102E	Monotonic Renumeration combinatorics, sortings	1700	x4210
817B	Makes And The Product combinatorics, implementation, math, sortings	1500	x4132
1454E	Number of Simple Paths combinatorics, dfs and similar, graphs, trees	2000	x4114
364A	Matrix combinatorics, data structures, implementation	1600	x4050
479E	Riding in a Lift combinatorics, dp	1900	x4039
559C	Gerald and Giant Chess combinatorics, dp, math, number theory	2200	x3996
1202D	Print a 1337-string... combinatorics, constructive algorithms, math, strings	1900	x3877
1545B	AquaMoon and Chess combinatorics, math	1900	x3872
1195D2	Submarine in the Rybinsk Sea (hard edition) combinatorics, math, number theory	1800	x3868
986B	Petr and Permutations combinatorics, math	1800	x3861
1043D	Mysterious Crime brute force, combinatorics, math, meet-in-the-middle, two pointers	1700	x3823
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x3818
894B	Ralph And His Magic Field combinatorics, constructive algorithms, math, number theory	1800	x3787

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