Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)
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Problems

#	Name
1443B	Saving the City dp, greedy, math, sortings	1300	x15842
1437B	Reverse Binary Strings constructive algorithms, greedy	1200	x19380
1433E	Two Round Dances combinatorics, math	1300	x18608
1433D	Districts Connection constructive algorithms, dfs and similar	1200	x23529
1428C	ABBB brute force, data structures, greedy, strings	1100	x20358
1428B	Belted Rooms graphs, implementation	1200	x14455
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x19503
1425H	Huge Boxes of Animal Toys constructive algorithms	1300	x4196
1424G	Years data structures, sortings	1300	x5946
1422B	Nice Matrix greedy, implementation, math	1300	x14452
1421B	Putting Bricks in the Wall constructive algorithms, implementation	1100	x13126
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x17707
1420B	Rock and Lever bitmasks, math	1200	x26256
1419B	Stairs brute force, constructive algorithms, greedy, implementation, math	1200	x16317
1418B	Negative Prefixes greedy, sortings	1300	x16720
1417B	Two Arrays greedy, math, sortings	1100	x14488
1415B	Repainting Street brute force, brute force, greedy	1100	x12211
1413B	A New Technique implementation	1100	x11732
1409C	Yet Another Array Restoration brute force, math, number theory	1200	x23443
1409B	Minimum Product brute force, greedy, math	1100	x29150
1407B	Big Vova brute force, greedy, math, number theory	1300	x17091
1407A	Ahahahahahahahaha constructive algorithms, math	1100	x20502
1406B	Maximum Product brute force, dp, greedy, implementation, sortings	1200	x22796
1401C	Mere Array constructive algorithms, math, number theory, sortings	1300	x24472
1401B	Ternary Sequence constructive algorithms, greedy, math	1100	x21164
1399C	Boats Competition brute force, greedy, two pointers	1200	x29388
1395B	Boboniu Plays Chess constructive algorithms	1100	x16078
1392C	Omkar and Waterslide greedy, implementation	1200	x18913
1385C	Make It Good greedy	1200	x27190
1384A	Common Prefixes constructive algorithms, greedy, strings	1200	x18863
1382B	Sequential Nim dp, games	1100	x24770
1381A1	Prefix Flip (Easy Version) constructive algorithms, data structures, strings	1300	x20610
1375B	Neighbor Grid constructive algorithms, greedy	1200	x17323
1375A	Sign Flipping constructive algorithms, math	1100	x18404
1373C	Pluses and Minuses math	1300	x18436
1372B	Omkar and Last Class of Math greedy, math, number theory	1300	x28447
1371C	A Cookie for You greedy, implementation, math	1300	x20616
1371B	Magical Calendar math	1200	x19207
1370B	GCD Compression constructive algorithms, math, number theory	1100	x23817
1369B	AccurateLee greedy, implementation, strings	1200	x24543
1367C	Social Distance constructive algorithms, greedy, math	1300	x23618
1366B	Shuffle math, two pointers	1300	x21326
1366A	Shovels and Swords binary search, greedy, math	1100	x30391
1365B	Trouble Sort constructive algorithms, implementation	1300	x27070
1365A	Matrix Game games, greedy, implementation	1100	x24203
1364B	Most socially-distanced subsequence greedy, two pointers	1300	x20140
1364A	XXXXX brute force, data structures, number theory, two pointers	1200	x28438
1363A	Odd Selection brute force, implementation, math	1200	x36324
1362B	Johnny and His Hobbies bitmasks, brute force	1200	x19333
1360E	Polygon dp, graphs, implementation, shortest paths	1300	x25609
1360D	Buying Shovels math, number theory	1300	x33745
1360C	Similar Pairs constructive algorithms, graph matchings, greedy, sortings	1100	x33101
1355B	Young Explorers dp, greedy, sortings	1200	x25896
1355A	Sequence with Digits brute force, implementation, math	1200	x26793
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x31311
1352D	Alice, Bob and Candies implementation	1300	x26474
1352C	K-th Not Divisible by n binary search, math	1200	x55911
1352B	Same Parity Summands constructive algorithms, math	1200	x38171
1345B	Card Constructions binary search, brute force, dp, math	1100	x26666
1343C	Alternating Subsequence dp, greedy, two pointers	1200	x38790
1342B	Binary Period constructive algorithms, strings	1100	x23774
1341B	Nastya and Door greedy, implementation	1300	x19763
1339B	Sorted Adjacent Differences constructive algorithms, sortings	1200	x26605
1335D	Anti-Sudoku constructive algorithms, implementation	1300	x27567
1335C	Two Teams Composing binary search, greedy, implementation, sortings	1100	x34980
1334B	Middle Class greedy, sortings	1100	x25982
1334A	Level Statistics implementation, math	1200	x23378
1333B	Kind Anton greedy, implementation	1100	x21664
1332A	Exercising Walk greedy, implementation, math	1100	x19444
1328C	Ternary XOR greedy, implementation	1200	x30682
1328B	K-th Beautiful String binary search, brute force, combinatorics, implementation, math	1300	x29357
1327B	Princesses and Princes brute force, graphs, greedy	1200	x18761
1327A	Sum of Odd Integers math	1100	x39471
1326C	Permutation Partitions combinatorics, greedy, math	1300	x15685
1324C	Frog Jumps binary search, data structures, dfs and similar, greedy, implementation	1100	x28166
1324B	Yet Another Palindrome Problem brute force, strings	1100	x28670
1322A	Unusual Competitions greedy	1300	x12458
1315C	Restoring Permutation greedy	1200	x10112
1315B	Homecoming binary search, dp, greedy, strings	1300	x9234
1311C	Perform the Combo brute force	1300	x16098
1311B	WeirdSort dfs and similar, sortings	1200	x19004
1307B	Cow and Friend geometry, greedy, math	1300	x13341
1305B	Kuroni and Simple Strings constructive algorithms, greedy, strings, two pointers	1200	x11804
1304B	Longest Palindrome brute force, constructive algorithms, greedy, implementation, strings	1100	x17953
1294C	Product of Three Numbers greedy, math, number theory	1300	x35449
1294B	Collecting Packages implementation, sortings	1200	x21921
1293A	ConneR and the A.R.C. Markland-N binary search, brute force, implementation	1100	x15501
1291B	Array Sharpening greedy, implementation	1300	x14225
1288B	Yet Another Meme Problem math	1100	x17113
1288A	Deadline binary search, brute force, math, ternary search	1100	x18442
1285B	Just Eat It! dp, greedy, implementation	1300	x23127
1279B	Verse For Santa binary search, brute force, implementation	1300	x13710
1277B	Make Them Odd greedy, number theory	1200	x15318
1272C	Yet Another Broken Keyboard combinatorics, dp, implementation	1200	x26892
1272B	Snow Walking Robot constructive algorithms, greedy, implementation	1200	x13961
1271C	Shawarma Tent brute force, geometry, greedy, implementation	1300	x10624
1271B	Blocks greedy, math	1300	x11414
1270B	Interesting Subarray constructive algorithms, greedy, math	1200	x16458
1265B	Beautiful Numbers data structures, implementation, math, two pointers	1300	x12758
1263A	Sweet Problem math	1100	x16408