math - Problem Set

ID	Problem Show tags Hide tags	AC / Tried	Difficulty
2610	CF1525E Assimilation IV combinatorics dp math probabilities two pointers *2100	0 / 0	(None)
2607	CF1526B I Hate 1111 dp math number theory *1400	0 / 0	(None)
2604	CF1526D Kill Anton brute force constructive algorithms data structures math strings *2200	0 / 0	(None)
2603	CF1526E Oolimry and Suffix Array combinatorics constructive algorithms math *2400	0 / 0	(None)
2597	CF1527C Sequence Pair Weight hashing implementation math *1600	0 / 0	(None)
2596	CF1527D MEX Tree combinatorics dfs and similar implementation math trees *2400	0 / 0	(None)
2593	CF1528B Kavi on Pairing Duty combinatorics dp math *1700	0 / 0	(None)
2588	CF1528F AmShZ Farm combinatorics fft math *3300	0 / 0	(None)
2587	CF1529A Eshag Loves Big Arrays constructive algorithms greedy math *800	0 / 0	(None)
2586	CF1529B Sifid and Strange Subsequences greedy math sortings *1100	0 / 0	(None)
2585	CF1530A Binary Decimal greedy math *800	0 / 0	(None)
2582	CF1530D Secret Santa constructive algorithms flows graphs greedy math *1600	0 / 0	(None)
2579	CF1530F Bingo bitmasks combinatorics dp math probabilities *2600	0 / 0	(None)
2575	CF1532B Frog Jumping *special problem math	0 / 0	(None)
2570	CF1533A Travel to Bertown *special problem implementation math	0 / 0	(None)
2557	CF1534B Histogram Ugliness greedy implementation math *1100	0 / 0	(None)
2556	CF1534C Little Alawn's Puzzle combinatorics dp dsu graphs math *1300	0 / 0	(None)
2548	CF1535B Array Reodering brute force greedy math number theory sortings *900	0 / 0	(None)
2538	CF1536E Omkar and Forest combinatorics graphs math shortest paths *2300	0 / 0	(None)
2537	CF1536F Omkar and Akmar chinese remainder theorem combinatorics constructive algorithms fft games geometry math meet-in-the-middle string suffix structures *2600	0 / 0	(None)
2535	CF1537A Arithmetic Array greedy math *800	0 / 0	(None)
2534	CF1537B Bad Boy constructive algorithms greedy math *900	0 / 0	(None)
2533	CF1537C Challenging Cliffs constructive algorithms greedy implementation math *1200	0 / 0	(None)
2532	CF1537D Deleting Divisors games math number theory *1700	0 / 0	(None)
2529	CF1537F Figure Fixing constructive algorithms dfs and similar dsu graphs greedy math *2200	0 / 0	(None)
2527	CF1538B Friends and Candies greedy math *800	0 / 0	(None)
2526	CF1538C Number of Pairs binary search data structures math two pointers *1300	0 / 0	(None)
2522	CF1538D Another Problem About Dividing Numbers constructive algorithms math number theory *1700	0 / 0	(None)
2520	CF1538F Interesting Function binary search dp math number theory *1500	0 / 0	(None)
2519	CF1538G Gift Set binary search greedy math ternary search *2100	0 / 0	(None)
2518	CF1539A Contest Start combinatorics geometry greedy math *1000	0 / 0	(None)
2510	CF1540B Tree Array brute force combinatorics dp graphs math probabilities trees *2300	0 / 0	(None)
2509	CF1540C1 Converging Array (Easy Version) dp math *2700	0 / 0	(None)
2508	CF1540C2 Converging Array (Hard Version) dp math *2900	0 / 0	(None)
2506	CF1540E Tasty Dishes math matrices *3500	0 / 0	(None)
2504	CF1541B Pleasant Pairs brute force implementation math number theory *1200	0 / 0	(None)
2503	CF1542A Odd Set math *800	0 / 0	(None)
2502	CF1542B Plus and Multiply constructive algorithms math number theory *1500	0 / 0	(None)
2500	CF1542C Strange Function math number theory *1600	0 / 0	(None)
2499	CF1542D Priority Queue combinatorics dp implementation math ternary search *2200	0 / 0	(None)
2498	CF1542E1 Abnormal Permutation Pairs (easy version) combinatorics dp fft math *2400	0 / 0	(None)
2497	CF1542E2 Abnormal Permutation Pairs (hard version) combinatorics dp fft math *2700	0 / 0	(None)
2496	CF1543A Exciting Bets greedy math number theory *900	0 / 0	(None)
2495	CF1543B Customising the Track combinatorics greedy math *900	0 / 0	(None)
2494	CF1543C Need for Pink Slips bitmasks brute force dfs and similar implementation math probabilities *1900	0 / 0	(None)
2493	CF1543D1 RPD and Rap Sheet (Easy Version) bitmasks constructive algorithms interactive math *1700	0 / 0	(None)
2492	CF1543D2 RPD and Rap Sheet (Hard Version) brute force constructive algorithms interactive math *2200	0 / 0	(None)
2491	CF1543E The Final Pursuit bitmasks constructive algorithms divide and conquer graphs greedy math *2700	0 / 0	(None)
2488	CF1545B AquaMoon and Chess combinatorics math *1900	0 / 0	(None)
2486	CF1545D AquaMoon and Wrong Coordinate constructive algorithms interactive math *3000	0 / 0	(None)
2481	CF1546B AquaMoon and Stolen String interactive math *1200	0 / 0	(None)
2480	CF1547A Shortest Path with Obstacle implementation math *800	0 / 0	(None)
2471	CF1548B Integers Have Friends binary search data structures divide and conquer math number theory two pointers *1800	0 / 0	(None)
2470	CF1548C The Three Little Pigs combinatorics dp fft math *2500	0 / 0	(None)
2469	CF1548D1 Gregor and the Odd Cows (Easy) bitmasks geometry math number theory *2300	0 / 0	(None)
2467	CF1548D2 Gregor and the Odd Cows (Hard) brute force geometry math number theory *3300	0 / 0	(None)
2466	CF1548E Gregor and the Two Painters data structures divide and conquer graphs greedy math *3400	0 / 0	(None)
2465	CF1549A Gregor and Cryptography math number theory *800	0 / 0	(None)
2463	CF1550A Find The Array greedy math *800	0 / 0	(None)
2462	CF1550B Maximum Cost Deletion greedy math *1000	0 / 0	(None)
2460	CF1550D Excellent Arrays binary search combinatorics constructive algorithms implementation math sortings two pointers *2300	0 / 0	(None)
2456	CF1551A Polycarp and Coins greedy math *800	0 / 0	(None)
2452	CF1551D1 Domino (easy version) constructive algorithms math *1700	0 / 0	(None)
2451	CF1551D2 Domino (hard version) constructive algorithms implementation math *2100	0 / 0	(None)
2444	CF1552D Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math *1800	0 / 0	(None)
2439	CF1552I Organizing a Music Festival dfs and similar math *3400	0 / 0	(None)
2438	CF1553A Digits Sum math number theory *800	0 / 0	(None)
2433	CF1553E Permutation Shift brute force combinatorics constructive algorithms dfs and similar dsu graphs math *2100	0 / 0	(None)
2432	CF1553F Pairwise Modulo data structures math *2300	0 / 0	(None)
2431	CF1553G Common Divisor Graph brute force constructive algorithms dsu graphs hashing math number theory *2700	0 / 0	(None)
2429	CF1553I Stairs combinatorics divide and conquer dp fft math *3400	0 / 0	(None)
2427	CF1554B Cobb bitmasks brute force greedy math *1700	0 / 0	(None)
2423	CF1554E You dfs and similar dp math number theory *2600	0 / 0	(None)
2422	CF1555A PizzaForces brute force math *900	0 / 0	(None)
2416	CF1556A A Variety of Operations math *800	0 / 0	(None)
2411	CF1556D Take a Guess bitmasks constructive algorithms interactive math *1800	0 / 0	(None)
2409	CF1556F Sports Betting bitmasks combinatorics dp graphs math probabilities *2500	0 / 0	(None)
2407	CF1556H DIY Tree graphs greedy math probabilities *3300	0 / 0	(None)
2406	CF1557A Ezzat and Two Subsequences brute force math sortings *800	0 / 0	(None)
2404	CF1557C Moamen and XOR bitmasks combinatorics dp math matrices *1700	0 / 0	(None)
2400	CF1558A Charmed by the Game brute force math *1300	0 / 0	(None)
2399	CF1558B Up the Strip brute force dp math number theory two pointers *1900	0 / 0	(None)
2394	CF1559A Mocha and Math bitmasks constructive algorithms math *900	0 / 0	(None)
2388	CF1559E Mocha and Stars combinatorics dp fft math number theory *2200	0 / 0	(None)
2386	CF1560B Who's Opposite? math *800	0 / 0	(None)
2385	CF1560C Infinity Table implementation math *800	0 / 0	(None)
2384	CF1560D Make a Power of Two greedy math strings *1300	0 / 0	(None)
2377	CF1561D1 Up the Strip (simplified version) brute force data structures dp math number theory *1700	0 / 0	(None)
2376	CF1562A The Miracle and the Sleeper greedy math *800	0 / 0	(None)
2375	CF1562B Scenes From a Memory brute force constructive algorithms implementation math number theory *1000	0 / 0	(None)
2374	CF1562C Rings constructive algorithms math *1500	0 / 0	(None)
2373	CF1562D1 Two Hundred Twenty One (easy version) data structures dp math *1700	0 / 0	(None)
2372	CF1562D2 Two Hundred Twenty One (hard version) data structures math *2200	0 / 0	(None)
2370	CF1562F Tubular Bells interactive math number theory probabilities *2900	0 / 0	(None)
2369	CF1566A Median Maximization binary search greedy math *800	0 / 0	(None)
2360	CF1566H Xor-quiz constructive algorithms dp interactive math number theory *3200	0 / 0	(None)
2356	CF1567C Carrying Conundrum bitmasks combinatorics dp math *1600	0 / 0	(None)
2355	CF1567D Expression Evaluation Error constructive algorithms greedy implementation math *2000	0 / 0	(None)
2354	CF1567E Non-Decreasing Dilemma data structures divide and conquer math *2200	0 / 0	(None)
2350	CF1569C Jury Meeting combinatorics math *1500	0 / 0	(None)

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