Problemset - Codeforces

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Codeforces Round #614 (Div. 1)
32:44:23
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Before contest
Codeforces Round #614 (Div. 2)
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combinatorics

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Problems

#	Name
459B	Pashmak and Flowers combinatorics, implementation, sortings	1300	x14906
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x14869
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x12108
535B	Tavas and SaDDas bitmasks, brute force, combinatorics, implementation	1100	x10410
610A	Pasha and Stick combinatorics, math	1000	x9807
414B	Mashmokh and ACM combinatorics, dp, number theory	1500	x9247
1166A	Silent Classroom combinatorics, greedy	900	x9222
617B	Chocolate combinatorics	1300	x8876
630C	Lucky Numbers combinatorics, math	1100	x8620
629A	Far Relative’s Birthday Cake brute force, combinatorics, constructive algorithms, implementation	800	x7928
1272C	Yet Another Broken Keyboard combinatorics, dp, implementation	1100	x7790
1007A	Reorder the Array combinatorics, data structures, math, sortings, two pointers	1300	x7211
621B	Wet Shark and Bishops combinatorics, implementation	1300	x6880
584B	Kolya and Tanya combinatorics	1500	x6730
251A	Points on Line binary search, combinatorics, two pointers	1400	x6618
804B	Minimum number of steps combinatorics, greedy, implementation, math	1400	x6400
1096B	Substring Removal combinatorics, math, strings	1400	x6249
1178C	Tiles combinatorics, greedy, math	1300	x6168
1236B	Alice and the List of Presents combinatorics, math	1400	x6105
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1500	x6081
322B	Ciel and Flowers combinatorics, math	1600	x5821
840A	Leha and Function combinatorics, greedy, math, number theory, sortings	1300	x5793
1215B	The Number of Products combinatorics, dp, implementation	1500	x5739
1105C	Ayoub and Lost Array combinatorics, dp, math	1500	x5510
152C	Pocket Book combinatorics	1500	x5341
553A	Kyoya and Colored Balls combinatorics, dp, math	1700	x5335
131C	The World is a Theatre combinatorics, math	1500	x5315
577B	Modulo Sum combinatorics, data structures, dp, two pointers	1800	x5251
1195D1	Submarine in the Rybinsk Sea (easy edition) combinatorics, math, number theory	1500	x5238
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1700	x5085
978E	Bus Video System combinatorics, math	1400	x4590
489D	Unbearable Controversy of Being brute force, combinatorics, dfs and similar, graphs	1700	x4515
1284C	New Year and Permutation combinatorics, math	1700	x4421
677C	Vanya and Label bitmasks, combinatorics, implementation, strings	1500	x4364
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x4328
1084C	The Fair Nut and String combinatorics, dp, implementation	1500	x4259
844B	Rectangles combinatorics, math	1300	x4158
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x4129
608B	Hamming Distance Sum combinatorics, strings	1500	x4117
459C	Pashmak and Buses combinatorics, constructive algorithms, math	1900	x4043
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1900	x3843
1288C	Two Arrays combinatorics, dp	1600	x3745
1081C	Colorful Bricks combinatorics, dp, math	1600	x3673
630F	Selection of Personnel combinatorics, math	1500	x3665
300C	Beautiful Numbers brute force, combinatorics	1800	x3589
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x3463
621C	Wet Shark and Flowers combinatorics, math, number theory, probabilities	1700	x3418
1207D	Number Of Permutations combinatorics	1800	x3409
204A	Little Elephant and Interval binary search, combinatorics, dp	1600	x3394
1036C	Classy Numbers combinatorics, dp	1800	x3324
479E	Riding in a Lift combinatorics, dp	2000	x3307
364A	Matrix combinatorics, data structures, implementation	1800	x3165
1238D	AB-string binary search, combinatorics, dp, strings	1800	x3155
817B	Makes And The Product combinatorics, implementation, math, sortings	1500	x3142
552D	Vanya and Triangles brute force, combinatorics, data structures, geometry, math, sortings	1900	x3094
894B	Ralph And His Magic Field combinatorics, constructive algorithms, math, number theory	1800	x3069
1043D	Mysterious Crime brute force, combinatorics, math, meet-in-the-middle, two pointers	1700	x3023
986B	Petr and Permutations combinatorics, math	1800	x3019
689C	Mike and Chocolate Thieves binary search, combinatorics, math	1700	x3007
1195D2	Submarine in the Rybinsk Sea (hard edition) combinatorics, math, number theory	1700	x3004
559C	Gerald and Giant Chess combinatorics, dp, math, number theory	2500	x2981
711D	Directed Roads combinatorics, dfs and similar, graphs, math	1900	x2873
1102E	Monotonic Renumeration combinatorics, sortings	1800	x2854
869C	The Intriguing Obsession combinatorics, dp, math	1800	x2845
888D	Almost Identity Permutations combinatorics, dp, math	1600	x2749
340C	Tourist Problem combinatorics, implementation, math	1700	x2745
1202D	Print a 1337-string... combinatorics, constructive algorithms, math, strings	1900	x2727
1279D	Santa's Bot combinatorics, math, probabilities	1700	x2715
150B	Quantity of Strings combinatorics, dfs and similar, graphs, math	1800	x2412
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x2410
630H	Benches combinatorics, math	1700	x2389
500D	New Year Santa Network combinatorics, dfs and similar, graphs, trees	1900	x2385
171B	Star *special problem, combinatorics	1300	x2266
1172B	Nauuo and Circle combinatorics, dfs and similar, dp, trees	2000	x2245
1276B	Two Fairs combinatorics, dfs and similar, dsu, graphs	1900	x2237
374B	Inna and Nine combinatorics, greedy	1600	x2217
327C	Magic Five combinatorics, math	1700	x2199
124B	Permutations brute force, combinatorics, implementation	1400	x2168
401D	Roman and Numbers bitmasks, brute force, combinatorics, dp, number theory	2000	x2153
997B	Roman Digits brute force, combinatorics, dp, greedy, math	2000	x2097
991E	Bus Number brute force, combinatorics, math	1800	x2076
1181C	Flag brute force, combinatorics, dp, implementation	1900	x2072
319A	Malek Dance Club combinatorics, math	1700	x2059
288B	Polo the Penguin and Houses combinatorics	1700	x2057
1000D	Yet Another Problem On a Subsequence combinatorics, dp	1900	x2050
626D	Jerry's Protest brute force, combinatorics, dp, probabilities	1800	x1998
294C	Shaass and Lights combinatorics, number theory	1900	x1995
596C	Wilbur and Points combinatorics, greedy, sortings	1700	x1972
603B	Moodular Arithmetic combinatorics, dfs and similar, dsu, math, number theory	2000	x1940
107B	Basketball Team combinatorics, dp, math, probabilities	1700	x1893
272D	Dima and Two Sequences combinatorics, math, sortings	1800	x1850
895C	Square Subsets bitmasks, combinatorics, dp, math	2000	x1818
1009E	Intercity Travelling combinatorics, math, probabilities	1900	x1777
568B	Symmetric and Transitive combinatorics, dp, math	2100	x1764
353B	Two Heaps combinatorics, constructive algorithms, greedy, implementation, math, sortings	1800	x1751
839D	Winter is here combinatorics, dp, math, number theory	2200	x1731
652C	Foe Pairs combinatorics, sortings, two pointers	1800	x1731
553B	Kyoya and Permutation binary search, combinatorics, constructive algorithms, greedy, implementation, math	2200	x1721
630I	Parking Lot combinatorics, math	1900	x1658
466D	Increase Sequence combinatorics, dp	2300	x1649

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