number theory - Problem Set

ID	Problem Show tags Hide tags	AC / Tried	Difficulty
1865	CF1654D Potion Brewing Class dfs and similar math number theory trees *2100	0 / 0	(None)
1856	CF1656C Make Equal With Mod constructive algorithms math number theory sortings *1200	0 / 0	(None)
1855	CF1656D K-good constructive algorithms math number theory *1900	0 / 0	(None)
1851	CF1656H Equal LCM Subsets data structures math number theory *3200	0 / 0	(None)
1841	CF1658B Marin and Anti-coprime Permutation combinatorics math number theory *800	0 / 0	(None)
1837	CF1658E Gojou and Matrix Game data structures dp games hashing implementation math number theory sortings *2500	0 / 0	(None)
1785	CF1665D GCD Guess bitmasks chinese remainder theorem constructive algorithms games interactive math number theory *2000	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)
1685	CF1679A AvtoBus brute force greedy math number theory *900	0 / 0	(None)
1652	CF1684G Euclid Guess constructive algorithms flows graph matchings math number theory *2800	0 / 0	(None)
1637	CF1687E Become Big For Me combinatorics constructive algorithms greedy math number theory *3500	0 / 0	(None)
1619	CF1690F Shifting String graphs math number theory strings *1700	0 / 0	(None)
1564	CF1698G Long Binary String bitmasks math matrices meet-in-the-middle number theory *2900	0 / 0	(None)
1559	CF1699E Three Days Grace data structures dp greedy math number theory two pointers *2600	0 / 0	(None)
1539	CF1702F Equate Multisets constructive algorithms data structures greedy math number theory *1700	0 / 0	(None)
1507	CF1706D1 Chopping Carrots (Easy Version) binary search brute force constructive algorithms greedy number theory *1700	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)
1498	CF1707F Bugaboo bitmasks constructive algorithms dp number theory *3500	0 / 0	(None)
1479	CF1712B Woeful Permutation constructive algorithms greedy number theory *800	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)
1470	CF1713D Tournament Countdown constructive algorithms greedy interactive number theory probabilities *1800	0 / 0	(None)
1462	CF1714E Add Modulo 10 brute force math number theory *1400	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)
1441	CF1717E Madoka and The Best University math number theory *2200	0 / 0	(None)
1437	CF1718B Fibonacci Strings greedy implementation math number theory *2000	0 / 0	(None)
1435	CF1718C Tonya and Burenka-179 data structures greedy math number theory *2400	0 / 0	(None)
1432	CF1718F Burenka, an Array and Queries data structures math number theory *3300	0 / 0	(None)
1428	CF1720A Burenka Plays with Fractions math number theory *900	0 / 0	(None)
10452	CF1725E Electrical Efficiency combinatorics data structures dp math number theory trees *2500	0 / 0	(None)
10429	CF1728E Red-Black Pepper brute force data structures greedy math number theory *2300	0 / 0	(None)
10414	CF1730E Maximums and Minimums combinatorics data structures divide and conquer number theory *2700	0 / 0	(None)
10410	CF1731C Even Subarrays bitmasks brute force hashing math number theory *1700	0 / 0	(None)
10407	CF1731E Graph Cost dp greedy math number theory *2000	0 / 0	(None)
10405	CF1732A Bestie brute force combinatorics constructive algorithms implementation math number theory *1000	0 / 0	(None)
10401	CF1732D1 Balance (Easy version) brute force data structures implementation number theory *1500	0 / 0	(None)
10400	CF1732D2 Balance (Hard version) brute force data structures number theory *2400	0 / 0	(None)
10399	CF1732E Location data structures dp math number theory *2800	0 / 0	(None)
10386	CF1734E Rectangular Congruence constructive algorithms number theory *2100	0 / 0	(None)
10377	CF1736B Playing with GCD math number theory *1200	0 / 0	(None)
10366	CF1737F Ela and Prime GCD constructive algorithms math number theory *3300	0 / 0	(None)
10234	CF1740A Factorise N+M constructive algorithms number theory *800	0 / 0	(None)
10145	CF1740I Arranging Crystal Balls data structures divide and conquer divide and conquer dp geometry graphs number theory *3500	0 / 0	(None)
10023	CF1742D Coprime brute force greedy number theory *1100	0 / 0	(None)
9857	CF1744E1 Divisible Numbers (easy version) brute force math number theory *1500	0 / 0	(None)
9845	CF1744E2 Divisible Numbers (hard version) brute force math number theory *1900	0 / 0	(None)
9646	CF1748D ConstructOR bitmasks chinese remainder theorem combinatorics constructive algorithms math number theory *2100	0 / 0	(None)
9579	CF1749D Counting Arrays combinatorics dp math number theory *1900	0 / 0	(None)
9512	CF1750D Count GCD combinatorics math number theory *1800	0 / 0	(None)
9435	CF1753B Factorial Divisibility math number theory *1600	0 / 0	(None)
9335	CF1758C Almost All Multiples greedy number theory *1400	0 / 0	(None)
9257	CF1759D Make It Round brute force number theory *1400	0 / 0	(None)
9235	CF1759F All Possible Digits binary search data structures greedy math number theory *1800	0 / 0	(None)
9045	CF1762A Divide and Conquer greedy math number theory *800	0 / 0	(None)
9034	CF1762B Make Array Good constructive algorithms implementation number theory sortings *1100	0 / 0	(None)
9012	CF1762D GCD Queries constructive algorithms interactive number theory *2100	0 / 0	(None)
8934	CF1763D Valid Bitonic Permutations combinatorics dp implementation math number theory *2200	0 / 0	(None)
8923	CF1763E Node Pairs dp graphs math number theory *2200	0 / 0	(None)
8890	CF1764B Doremy's Perfect Math Class math number theory *900	0 / 0	(None)
8657	CF1765M Minimum LCM math number theory *1000	0 / 0	(None)
8601	CF1766D Lucky Chains math number theory *1600	0 / 0	(None)
8501	CF1768A Greatest Convex greedy math number theory *800	0 / 0	(None)
8457	CF1768E Partial Sorting combinatorics math number theory *2300	0 / 0	(None)
8413	CF1770C Koxia and Number Theory brute force chinese remainder theorem math number theory *1700	0 / 0	(None)
8379	CF1770F Koxia and Sequence bitmasks combinatorics dp math number theory *3100	0 / 0	(None)
8324	CF1771C Hossam and Trainees greedy math number theory *1600	0 / 0	(None)
8001	CF1775D Friendly Spiders dfs and similar graphs math number theory shortest paths *1800	0 / 0	(None)
7790	CF1777C Quiz Master binary search math number theory sortings two pointers *1700	0 / 0	(None)
7690	CF1778F Maximizing Root dfs and similar dp graphs math number theory trees *2600	0 / 0	(None)
7579	CF1780B GCD Partition brute force greedy math number theory *1100	0 / 0	(None)
7557	CF1780E Josuke and Complete Graph binary search brute force data structures math number theory *2400	0 / 0	(None)
7546	CF1780F Three Chairs bitmasks brute force combinatorics data structures dp number theory sortings *2300	0 / 0	(None)
7535	CF1780G Delicious Dessert binary search dsu hashing math number theory string suffix structures *2400	0 / 0	(None)
7490	CF1781D Many Perfect Squares brute force math number theory *1800	0 / 0	(None)
7379	CF1783E Game of the Year brute force data structures math number theory *2300	0 / 0	(None)
7235	CF1787B Number Factorization greedy math number theory *1100	0 / 0	(None)
7080	CF1789A Serval and Mocha's Array brute force math number theory *800	0 / 0	(None)
7035	CF1789E Serval and Music Game brute force dp implementation math number theory *2500	0 / 0	(None)
6801	CF1792E Divisors and Table brute force dfs and similar dp number theory *2400	0 / 0	(None)
6668	CF1794D Counting Factorizations combinatorics divide and conquer dp math number theory *1900	0 / 0	(None)
6512	CF1796F Strange Triples brute force math number theory *2900	0 / 0	(None)
6457	CF1797E Li Hua and Array brute force data structures dsu math number theory two pointers *2300	0 / 0	(None)
6413	CF1798C Candy Store greedy math number theory *1700	0 / 0	(None)
6379	CF1798F Gifts from Grandfather Ahmed dp math number theory *2500	0 / 0	(None)
6113	CF1801F Another n-dimensional chocolate bar dp math meet-in-the-middle number theory *2700	0 / 0	(None)
6046	CF1804C Pull Your Luck brute force greedy math number theory *1500	0 / 0	(None)
5845	CF1806F1 GCD Master (easy version) greedy math number theory sortings *2900	0 / 0	(None)
5568	CF1810B Candies constructive algorithms math number theory *800	0 / 0	(None)
5446	CF1811E Living Sequence binary search dp math number theory *1500	0 / 0	(None)
5368	CF1812D Trivial Conjecture *special problem constructive algorithms math number theory	0 / 0	(None)
5346	CF1812F Factorization *special problem number theory	0 / 0	(None)
5179	CF1815E Bosco and Particle dp math number theory strings *3100	0 / 0	(None)
5157	CF1816A Ian Visits Mary constructive algorithms geometry number theory *800	0 / 0	(None)
4824	CF1822G1 Magic Triples (Easy Version) brute force data structures math number theory *1700	0 / 0	(None)
4813	CF1822G2 Magic Triples (Hard Version) brute force data structures math number theory *2200	0 / 0	(None)
4780	CF1823C Strongly Composite greedy math number theory *1300	0 / 0	(None)
4635	CF1826B Lunatic Never Content math number theory *1100	0 / 0	(None)

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