Problemset - Codeforces

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Codeforces Round #716 (Div. 2)
06:30:30
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combinatorics

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Problems

#	Name
459B	Pashmak and Flowers combinatorics, implementation, sortings	1300	x22192
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x21074
1328B	K-th Beautiful String binary search, brute force, combinatorics, implementation, math	1300	x19149
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x17661
1499A	Domino on Windowsill combinatorics, constructive algorithms, math	800	x15984
1293B	JOE is on TV! combinatorics, greedy, math	1000	x15643
1272C	Yet Another Broken Keyboard combinatorics, dp, implementation	1200	x14493
535B	Tavas and SaDDas bitmasks, brute force, combinatorics, implementation	1100	x14223
414B	Mashmokh and ACM combinatorics, dp, number theory	1400	x13109
610A	Pasha and Stick combinatorics, math	1000	x12491
1433E	Two Round Dances combinatorics, math	1300	x12233
1475C	Ball in Berland combinatorics, graphs, math	1400	x12195
1326C	Permutation Partitions combinatorics, greedy, math	1300	x12110
630C	Lucky Numbers combinatorics, math	1100	x11844
617B	Chocolate combinatorics	1300	x11447
1166A	Silent Classroom combinatorics, greedy	900	x11304
1391C	Cyclic Permutations combinatorics, dp, graphs, math	1500	x11005
251A	Points on Line binary search, combinatorics, two pointers	1300	x9844
629A	Far Relative’s Birthday Cake brute force, combinatorics, constructive algorithms, implementation	800	x9755
1007A	Reorder the Array combinatorics, data structures, math, sortings, two pointers	1300	x9356
1305C	Kuroni and Impossible Calculation brute force, combinatorics, math, number theory	1600	x9058
1215B	The Number of Products combinatorics, dp, implementation	1400	x8491
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1400	x8489
584B	Kolya and Tanya combinatorics	1500	x8390
621B	Wet Shark and Bishops combinatorics, implementation	1300	x8274
1236B	Alice and the List of Presents combinatorics, math	1500	x8211
1288C	Two Arrays combinatorics, dp	1600	x8091
1462E1	Close Tuples (easy version) binary search, combinatorics, math, sortings, two pointers	1500	x8039
322B	Ciel and Flowers combinatorics, math	1600	x8020
1178C	Tiles combinatorics, greedy, math	1300	x7992
804B	Minimum number of steps combinatorics, greedy, implementation, math	1400	x7817
1096B	Substring Removal combinatorics, math, strings	1300	x7802
1475E	Advertising Agency combinatorics, math, sortings	1600	x7780
1105C	Ayoub and Lost Array combinatorics, dp, math	1500	x7550
152C	Pocket Book combinatorics	1400	x7388
1436C	Binary Search binary search, combinatorics	1500	x7379
131C	The World is a Theatre combinatorics, math	1400	x7097
1301C	Ayoub's function binary search, combinatorics, greedy, math, strings	1700	x6979
577B	Modulo Sum combinatorics, data structures, dp, two pointers	1900	x6949
1513B	AND Sequences bitmasks, combinatorics, constructive algorithms, math	1400	x6819
1400D	Zigzags brute force, combinatorics, data structures, math, two pointers	1900	x6783
553A	Kyoya and Colored Balls combinatorics, dp, math	1500	x6561
978E	Bus Video System combinatorics, math	1400	x6465
1327E	Count The Blocks combinatorics, dp, math	1800	x6448
1195D1	Submarine in the Rybinsk Sea (easy edition) combinatorics, math, number theory	1500	x6428
840A	Leha and Function combinatorics, greedy, math, number theory, sortings	1300	x6384
1312D	Count the Arrays combinatorics, math	1700	x6342
1284C	New Year and Permutation combinatorics, math	1600	x6125
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x6080
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x5703
1422C	Bargain combinatorics, dp, math	1700	x5691
1084C	The Fair Nut and String combinatorics, dp, implementation	1500	x5671
1452D	Radio Towers combinatorics, dp, math	1600	x5576
489D	Unbearable Controversy of Being brute force, combinatorics, dfs and similar, graphs	1700	x5524
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x5434
300C	Beautiful Numbers brute force, combinatorics	1800	x5351
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x5235
1329B	Dreamoon Likes Sequences bitmasks, combinatorics, math	1700	x5179
677C	Vanya and Label bitmasks, combinatorics, implementation, strings	1500	x5088
844B	Rectangles combinatorics, math	1300	x5087
1420D	Rescue Nibel! combinatorics, data structures, sortings	1800	x5071
459C	Pashmak and Buses combinatorics, constructive algorithms, math	1900	x5031
608B	Hamming Distance Sum combinatorics, strings	1500	x5017
1081C	Colorful Bricks combinatorics, dp, math	1500	x4930
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x4784
1036C	Classy Numbers combinatorics, dp	1900	x4666
630F	Selection of Personnel combinatorics, math	1300	x4530
1444B	Divide and Sum combinatorics, math, sortings	1900	x4377
1238D	AB-string binary search, combinatorics, dp, strings	1900	x4338
1207D	Number Of Permutations combinatorics	1800	x4313
1359E	Modular Stability combinatorics, math, number theory	2000	x4248
204A	Little Elephant and Interval binary search, combinatorics, dp	1500	x4175
888D	Almost Identity Permutations combinatorics, dp, math	1600	x4130
621C	Wet Shark and Flowers combinatorics, math, number theory, probabilities	1700	x4126
1279D	Santa's Bot combinatorics, math, probabilities	1700	x4088
1371E1	Asterism (Easy Version) binary search, brute force, combinatorics, math, number theory, sortings	1900	x4035
817B	Makes And The Product combinatorics, implementation, math, sortings	1500	x3935
1102E	Monotonic Renumeration combinatorics, sortings	1700	x3917
364A	Matrix combinatorics, data structures, implementation	1600	x3903
479E	Riding in a Lift combinatorics, dp	1900	x3888
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x3751
559C	Gerald and Giant Chess combinatorics, dp, math, number theory	2200	x3719
1195D2	Submarine in the Rybinsk Sea (hard edition) combinatorics, math, number theory	1800	x3676
1454E	Number of Simple Paths combinatorics, dfs and similar, graphs, trees	2000	x3670
986B	Petr and Permutations combinatorics, math	1800	x3666
894B	Ralph And His Magic Field combinatorics, constructive algorithms, math, number theory	1800	x3647
1043D	Mysterious Crime brute force, combinatorics, math, meet-in-the-middle, two pointers	1700	x3640
1202D	Print a 1337-string... combinatorics, constructive algorithms, math, strings	1900	x3635
552D	Vanya and Triangles brute force, combinatorics, data structures, geometry, math, sortings	1900	x3486
711D	Directed Roads combinatorics, dfs and similar, graphs, math	1900	x3392
869C	The Intriguing Obsession combinatorics, dp, math	1800	x3389
689C	Mike and Chocolate Thieves binary search, combinatorics, math	1700	x3352
1276B	Two Fairs combinatorics, dfs and similar, dsu, graphs	1900	x3324
340C	Tourist Problem combinatorics, implementation, math	1600	x3272
1426F	Number of Subsequences combinatorics, dp, strings	2000	x3209
630I	Parking Lot combinatorics, math	1700	x3200
1442B	Identify the Operations combinatorics, data structures, dsu, greedy, implementation	1800	x3088
1366E	Two Arrays binary search, brute force, combinatorics, constructive algorithms, dp, two pointers	2100	x3006
630H	Benches combinatorics, math	1400	x2987
1172B	Nauuo and Circle combinatorics, dfs and similar, dp, trees	1900	x2950

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