math - Problem Set

ID	Problem Show tags Hide tags	AC / Tried	Difficulty
1774	CF1666I Interactive Treasure Hunt brute force constructive algorithms geometry interactive math *2200	0 / 0	(None)
1770	CF1667A Make it Increasing brute force greedy math *1300	0 / 0	(None)
1767	CF1667C Half Queen Cover constructive algorithms math *2400	0 / 0	(None)
1765	CF1667E Centroid Probabilities combinatorics dp fft math *3000	0 / 0	(None)
1763	CF1668A Direction Change implementation math *800	0 / 0	(None)
1762	CF1668B Social Distance greedy math sortings *900	0 / 0	(None)
1759	CF1669C Odd/Even Increments greedy greedy implementation math *800	0 / 0	(None)
1756	CF1669E 2-Letter Strings data structures math strings *1200	0 / 0	(None)
1753	CF1669H Maximal AND bitmasks greedy math *1300	0 / 0	(None)
1750	CF1670C Where is the Pizza? data structures dfs and similar dsu graphs implementation math *1400	0 / 0	(None)
1749	CF1670D Very Suspicious binary search brute force geometry greedy implementation math *1700	0 / 0	(None)
1743	CF1671B Consecutive Points Segment brute force math sortings *1000	0 / 0	(None)
1742	CF1671C Dolce Vita binary search brute force greedy math *1200	0 / 0	(None)
1739	CF1671F Permutation Counting brute force combinatorics dp fft math *2700	0 / 0	(None)
1738	CF1672A Log Chopping games implementation math *800	0 / 0	(None)
1730	CF1672G Cross Xor constructive algorithms graphs math matrices *3200	0 / 0	(None)
1725	CF1673C Palindrome Basis brute force dp math number theory *1500	0 / 0	(None)
1723	CF1673D Lost Arithmetic Progression combinatorics math number theory *1900	0 / 0	(None)
1722	CF1673E Power or XOR? bitmasks combinatorics math number theory *2500	0 / 0	(None)
1721	CF1673F Anti-Theft Road Planning bitmasks constructive algorithms divide and conquer greedy interactive math *2400	0 / 0	(None)
1720	CF1674A Number Transformation constructive algorithms math *800	0 / 0	(None)
1719	CF1674B Dictionary combinatorics math *800	0 / 0	(None)
1716	CF1674E Breaking the Wall binary search brute force constructive algorithms greedy math *2000	0 / 0	(None)
1712	CF1675A Food for Animals greedy math *800	0 / 0	(None)
1704	CF1676B Equal Candies greedy math sortings *800	0 / 0	(None)
1703	CF1676C Most Similar Words brute force greedy implementation implementation math strings *800	0 / 0	(None)
1694	CF1677B Tokitsukaze and Meeting data structures implementation math *1700	0 / 0	(None)
1692	CF1677D Tokitsukaze and Permutations dp math *2500	0 / 0	(None)
1689	CF1677F Tokitsukaze and Gems dp math *3500	0 / 0	(None)
1685	CF1679A AvtoBus brute force greedy math number theory *900	0 / 0	(None)
1679	CF1679F Formalism for Formalism bitmasks dp math *2600	0 / 0	(None)
1678	CF1680A Minimums and Maximums brute force math *800	0 / 0	(None)
1675	CF1680D Dog Walking brute force greedy math *2400	0 / 0	(None)
1671	CF1681B Card Trick implementation math *800	0 / 0	(None)
1663	CF1682C LIS or Reverse LIS? constructive algorithms greedy implementation math *1400	0 / 0	(None)
1661	CF1682E Unordered Swaps constructive algorithms dfs and similar graphs greedy math sortings trees *2700	0 / 0	(None)
1659	CF1684A Digit Minimization constructive algorithms games math strings *800	0 / 0	(None)
1657	CF1684B Z mod X = C constructive algorithms math *800	0 / 0	(None)
1652	CF1684G Euclid Guess constructive algorithms flows graph matchings math number theory *2800	0 / 0	(None)
1651	CF1684H Hard Cut constructive algorithms dfs and similar divide and conquer math *3400	0 / 0	(None)
1638	CF1687D Cute number binary search brute force data structures dsu implementation math *2900	0 / 0	(None)
1637	CF1687E Become Big For Me combinatorics constructive algorithms greedy math number theory *3500	0 / 0	(None)
1634	CF1687F Koishi's Unconscious Permutation fft math *3500	0 / 0	(None)
1620	CF1690E Price Maximization binary search greedy math two pointers *1500	0 / 0	(None)
1619	CF1690F Shifting String graphs math number theory strings *1700	0 / 0	(None)
1617	CF1691A Beat The Odds brute force greedy math *800	0 / 0	(None)
1615	CF1691C Sum of Substrings brute force constructive algorithms greedy math strings *1400	0 / 0	(None)
1611	CF1691F K-Set Tree combinatorics dfs and similar dp math trees *2500	0 / 0	(None)
1605	CF1692F 3SUM brute force math *1300	0 / 0	(None)
1603	CF1692H Gambling data structures dp greedy math *1700	0 / 0	(None)
1584	CF1696C Fishingprince Plays With Array constructive algorithms greedy implementation math *1400	0 / 0	(None)
1582	CF1696E Placing Jinas combinatorics math *2000	0 / 0	(None)
1579	CF1696G Fishingprince Plays With Array Again brute force data structures geometry math *3300	0 / 0	(None)
1578	CF1696H Maximum Product? brute force combinatorics dp greedy implementation math two pointers *3500	0 / 0	(None)
1573	CF1697E Coloring brute force combinatorics constructive algorithms dp geometry graphs greedy implementation math *2400	0 / 0	(None)
1565	CF1698F Equal Reversal constructive algorithms graphs implementation math *2800	0 / 0	(None)
1564	CF1698G Long Binary String bitmasks math matrices meet-in-the-middle number theory *2900	0 / 0	(None)
1563	CF1699A The Third Three Number Problem constructive algorithms math *800	0 / 0	(None)
1561	CF1699C The Third Problem combinatorics constructive algorithms math *1700	0 / 0	(None)
1559	CF1699E Three Days Grace data structures dp greedy math number theory two pointers *2600	0 / 0	(None)
1557	CF1700A Optimal Path constructive algorithms greedy math *800	0 / 0	(None)
1556	CF1700B Palindromic Numbers constructive algorithms implementation math *1100	0 / 0	(None)
1554	CF1700D River Locks binary search dp greedy math *1900	0 / 0	(None)
1548	CF1701D Permutation Restoration binary search data structures greedy math sortings two pointers *1900	0 / 0	(None)
1545	CF1701F Points combinatorics data structures implementation math matrices *2500	0 / 0	(None)
1539	CF1702F Equate Multisets constructive algorithms data structures greedy math number theory *1700	0 / 0	(None)
1529	CF1703G Good Key, Bad Key bitmasks brute force dp greedy math *1600	0 / 0	(None)
1523	CF1704D Magical Array constructive algorithms hashing implementation math *1900	0 / 0	(None)
1522	CF1704E Count Seconds brute force constructive algorithms dp graphs implementation math *2200	0 / 0	(None)
1520	CF1704G Mio and Lucky Array constructive algorithms fft math strings *3500	0 / 0	(None)
1519	CF1704H1 Game of AI (easy version) combinatorics constructive algorithms dp fft math *3200	0 / 0	(None)
1518	CF1704H2 Game of AI (hard version) combinatorics fft math *3500	0 / 0	(None)
1514	CF1705D Mark and Lightbulbs combinatorics constructive algorithms greedy math sortings *1800	0 / 0	(None)
1509	CF1706B Making Towers dp greedy math *1100	0 / 0	(None)
1506	CF1706D2 Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers *2400	0 / 0	(None)
1500	CF1707D Partial Virtual Trees combinatorics dfs and similar dp math trees *3000	0 / 0	(None)
1497	CF1708A Difference Operations greedy math *800	0 / 0	(None)
1496	CF1708B Difference of GCDs constructive algorithms math *1100	0 / 0	(None)
1495	CF1709A Three Doors brute force greedy implementation math *800	0 / 0	(None)
1492	CF1709D Rorororobot binary search data structures greedy math *1700	0 / 0	(None)
1489	CF1709F Multiset of Strings bitmasks brute force dp fft flows graphs math meet-in-the-middle trees *2500	0 / 0	(None)
1488	CF1710A Color the Picture constructive algorithms greedy math *1500	0 / 0	(None)
1487	CF1710B Rain binary search brute force data structures geometry greedy implementation math *2100	0 / 0	(None)
1486	CF1710C XOR Triangle bitmasks brute force constructive algorithms dp greedy math *2500	0 / 0	(None)
1476	CF1712E1 LCM Sum (easy version) binary search brute force combinatorics math number theory two pointers *2300	0 / 0	(None)
1475	CF1712E2 LCM Sum (hard version) brute force data structures math number theory two pointers *2500	0 / 0	(None)
1471	CF1713C Build Permutation constructive algorithms dp math *1200	0 / 0	(None)
1467	CF1713F Lost Array bitmasks combinatorics constructive algorithms dp math *2900	0 / 0	(None)
1466	CF1714A Everyone Loves to Sleep implementation math *900	0 / 0	(None)
1462	CF1714E Add Modulo 10 brute force math number theory *1400	0 / 0	(None)
1459	CF1715A Crossmarket constructive algorithms greedy math *800	0 / 0	(None)
1457	CF1715B Beautiful Array constructive algorithms greedy math *1000	0 / 0	(None)
1456	CF1715C Monoblock combinatorics data structures implementation math *1700	0 / 0	(None)
1453	CF1715F Crop Squares constructive algorithms geometry interactive math *2700	0 / 0	(None)
1452	CF1716A 2-3 Moves greedy math *800	0 / 0	(None)
1451	CF1716B Permutation Chain constructive algorithms math *800	0 / 0	(None)
1449	CF1716D Chip Move brute force dp math *2000	0 / 0	(None)
1446	CF1716F Bags with Balls combinatorics dp math number theory *2500	0 / 0	(None)
1445	CF1717A Madoka and Strange Thoughts math number theory *800	0 / 0	(None)
1442	CF1717D Madoka and The Corruption Scheme combinatorics constructive algorithms greedy math *1900	0 / 0	(None)

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