Problemset - Codeforces

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Codeforces Round 940 (Div. 2)
5 days

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Problems

#	Name
1476B	Inflation binary search, brute force, greedy, math	1300	x19405
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21116
1466C	Canine poetry dp, greedy, strings	1300	x17273
1459B	Move and Turn dp, math	1300	x13808
1454D	Number into Sequence constructive algorithms, math, number theory	1300	x19636
1446A	Knapsack constructive algorithms, greedy, sortings	1300	x14842
1443B	Saving the City dp, greedy, math, sortings	1300	x15445
1433E	Two Round Dances combinatorics, math	1300	x17965
1425H	Huge Boxes of Animal Toys constructive algorithms	1300	x4073
1424G	Years data structures, sortings	1300	x5631
1422B	Nice Matrix greedy, implementation, math	1300	x14157
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x16972
1418B	Negative Prefixes greedy, sortings	1300	x16248
1407B	Big Vova brute force, greedy, math, number theory	1300	x16652
1401C	Mere Array constructive algorithms, math, number theory, sortings	1300	x23345
1381A1	Prefix Flip (Easy Version) constructive algorithms, data structures, strings	1300	x19793
1373C	Pluses and Minuses math	1300	x17870
1372B	Omkar and Last Class of Math greedy, math, number theory	1300	x25952
1371C	A Cookie for You greedy, implementation, math	1300	x20125
1367C	Social Distance constructive algorithms, greedy, math	1300	x22548
1366B	Shuffle math, two pointers	1300	x19481
1365B	Trouble Sort constructive algorithms, implementation	1300	x25936
1364B	Most socially-distanced subsequence greedy, two pointers	1300	x18329
1360E	Polygon dp, graphs, implementation, shortest paths	1300	x24322
1360D	Buying Shovels math, number theory	1300	x30546
1352D	Alice, Bob and Candies implementation	1300	x24642
1341B	Nastya and Door greedy, implementation	1300	x18932
1335D	Anti-Sudoku constructive algorithms, implementation	1300	x26499
1328B	K-th Beautiful String binary search, brute force, combinatorics, implementation, math	1300	x27986
1326C	Permutation Partitions combinatorics, greedy, math	1300	x15195
1322A	Unusual Competitions greedy	1300	x12181
1315B	Homecoming binary search, dp, greedy, strings	1300	x8897
1311C	Perform the Combo brute force	1300	x15499
1307B	Cow and Friend geometry, greedy, math	1300	x12872
1294C	Product of Three Numbers greedy, math, number theory	1300	x32005
1291B	Array Sharpening greedy, implementation	1300	x13741
1285B	Just Eat It! dp, greedy, implementation	1300	x20819
1279B	Verse For Santa binary search, brute force, implementation	1300	x13339
1271C	Shawarma Tent brute force, geometry, greedy, implementation	1300	x10233
1271B	Blocks greedy, math	1300	x11082
1265B	Beautiful Numbers data structures, implementation, math, two pointers	1300	x12281
1260B	Obtain Two Zeroes binary search, math	1300	x15054
1249C1	Good Numbers (easy version) brute force, greedy, implementation	1300	x15022
1249B2	Books Exchange (hard version) dfs and similar, dsu, math	1300	x16192
1238B	Kill `Em All greedy, sortings	1300	x13070
1237B	Balanced Tunnel data structures, sortings, two pointers	1300	x14564
1236C	Labs constructive algorithms, greedy, implementation	1300	x9793
1234B2	Social Network (hard version) data structures, implementation	1300	x16416
1225B2	TV Subscriptions (Hard Version) implementation, two pointers	1300	x10056
1220C	Substring Game in the Lesson games, greedy, strings	1300	x9877
1220B	Multiplication Table math, number theory	1300	x11321
1217A	Creating a Character binary search, math	1300	x14614
1216D	Swords math	1300	x10792
1209B	Koala and Lights implementation, math, number theory	1300	x7930
1203C	Common Divisors implementation, math	1300	x19482
1194C	From S To T implementation, strings	1300	x12754
1194B	Yet Another Crosses Problem implementation	1300	x10032
1187B	Letters Shop binary search, implementation, strings	1300	x11832
1182B	Plus from Picture dfs and similar, implementation, strings	1300	x10808
1178C	Tiles combinatorics, greedy, math	1300	x11185
1178B	WOW Factor dp, strings	1300	x13759
1176C	Lose it! dp, greedy, implementation	1300	x13811
1174C	Ehab and a Special Coloring Problem constructive algorithms, number theory	1300	x11769
1165C	Good String greedy	1300	x12499
1159B	Expansion coefficient of the array implementation, math	1300	x6860
1157C1	Increasing Subsequence (easy version) greedy	1300	x12260
1157B	Long Number greedy	1300	x14287
1155C	Alarm Clocks Everywhere math, number theory	1300	x8941
1152B	Neko Performs Cat Furrier Transform bitmasks, constructive algorithms, dfs and similar, math	1300	x8670
1119B	Alyona and a Narrow Fridge binary search, flows, greedy, sortings	1300	x9745
1113B	Sasha and Magnetic Machines greedy, number theory	1300	x7654
1108C	Nice Garland brute force, greedy, math	1300	x11720
1107C	Brutality greedy, sortings, two pointers	1300	x9632
1101B	Accordion greedy, implementation	1300	x10348
1100B	Build a Contest data structures, implementation	1300	x10870
1096B	Substring Removal combinatorics, math, strings	1300	x10289
1093C	Mishka and the Last Exam greedy	1300	x9218
1090A	Company Merging greedy	1300	x4026
1077C	Good Array	1300	x15125
1076C	Meme Problem binary search, math	1300	x12036
1070D	Garbage Disposal greedy	1300	x4846
1065B	Vasya and Isolated Vertices constructive algorithms, graphs	1300	x10715
1063A	Oh Those Palindromes constructive algorithms, strings	1300	x10200
1062A	A Prank greedy, implementation	1300	x8643
1059B	Forgery implementation	1300	x6886
1055B	Alice and Hairdresser dsu, implementation	1300	x4888
1040B	Shashlik Cooking dp, greedy, math	1300	x7008
1038C	Gambling greedy, sortings	1300	x9327
1037C	Equalize dp, greedy, strings	1300	x18256
1037B	Reach Median greedy	1300	x10179
1037A	Packets constructive algorithms, greedy, math	1300	x10871
1030C	Vasya and Golden Ticket implementation	1300	x9301
1029A	Many Equal Substrings implementation, strings	1300	x11977
1016B	Segment Occurrences brute force, implementation	1300	x9211
1007A	Reorder the Array combinatorics, data structures, math, sortings, two pointers	1300	x11964
1005C	Summarize to the Power of Two brute force, greedy, implementation	1300	x11272
1004B	Sonya and Exhibition constructive algorithms, greedy, implementation, math	1300	x9195
1003C	Intense Heat brute force, implementation, math	1300	x10279
1003B	Binary String Constructing constructive algorithms	1300	x10987
1002D2	Oracle for f(x) = b * x + (1 - b) * (1 - x) mod 2	1300	x371