math - Problem Set

ID	Problem Show tags Hide tags	AC / Tried	Difficulty
8601	CF1766D Lucky Chains math number theory *1600	0 / 0	(None)
8535	CF1767D Playoff combinatorics constructive algorithms dp greedy math *1500	0 / 0	(None)
8524	CF1767E Algebra Flash bitmasks brute force dp graphs math meet-in-the-middle trees *2500	0 / 0	(None)
8501	CF1768A Greatest Convex greedy math number theory *800	0 / 0	(None)
8490	CF1768B Quick Sort greedy math *900	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)
8390	CF1770E Koxia and Tree combinatorics dfs and similar dp dsu math probabilities trees *2400	0 / 0	(None)
8379	CF1770F Koxia and Sequence bitmasks combinatorics dp math number theory *3100	0 / 0	(None)
8368	CF1770G Koxia and Bracket divide and conquer fft math *3400	0 / 0	(None)
8346	CF1771A Hossam and Combinatorics combinatorics math sortings *900	0 / 0	(None)
8324	CF1771C Hossam and Trainees greedy math number theory *1600	0 / 0	(None)
8279	CF1773A Amazing Trick constructive algorithms graph matchings math probabilities *1900	0 / 0	(None)
8213	CF1773G Game of Questions bitmasks combinatorics dp fft math probabilities *2800	0 / 0	(None)
8179	CF1773J Jumbled Trees constructive algorithms math *2900	0 / 0	(None)
8146	CF1774A Add Plus Minus Sign constructive algorithms math *800	0 / 0	(None)
8135	CF1774B Coloring constructive algorithms greedy math *1500	0 / 0	(None)
8012	CF1775C Interesting Sequence bitmasks math *1600	0 / 0	(None)
8001	CF1775D Friendly Spiders dfs and similar graphs math number theory shortest paths *1800	0 / 0	(None)
7979	CF1775F Laboratory on Pluto constructive algorithms dp greedy math *2500	0 / 0	(None)
7934	CF1776D Teamwork constructive algorithms greedy math *2800	0 / 0	(None)
7901	CF1776G Another Wine Tasting Event combinatorics constructive algorithms math strings *2100	0 / 0	(None)
7857	CF1776K Uniform Chemistry dp math *3200	0 / 0	(None)
7845	CF1776L Controllers binary search math *1500	0 / 0	(None)
7823	CF1776N Count Permutations math *3500	0 / 0	(None)
7812	CF1777A Everybody Likes Good Arrays! greedy math *800	0 / 0	(None)
7801	CF1777B Emordnilap combinatorics greedy math *900	0 / 0	(None)
7790	CF1777C Quiz Master binary search math number theory sortings two pointers *1700	0 / 0	(None)
7779	CF1777D Score of a Tree bitmasks combinatorics dfs and similar dp math probabilities trees *1900	0 / 0	(None)
7734	CF1778B The Forbidden Permutation greedy math *1300	0 / 0	(None)
7712	CF1778D Flexible String Revisit combinatorics dp math probabilities *2100	0 / 0	(None)
7701	CF1778E The Tree Has Fallen! bitmasks dfs and similar math trees *2500	0 / 0	(None)
7690	CF1778F Maximizing Root dfs and similar dp graphs math number theory trees *2600	0 / 0	(None)
7668	CF1779B MKnez's ConstructiveForces Task constructive algorithms math *900	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)
7535	CF1780G Delicious Dessert binary search dsu hashing math number theory string suffix structures *2400	0 / 0	(None)
7524	CF1781A Parallel Projection geometry math *800	0 / 0	(None)
7490	CF1781D Many Perfect Squares brute force math number theory *1800	0 / 0	(None)
7468	CF1781F Bracket Insertion combinatorics dp math trees *2700	0 / 0	(None)
7424	CF1783A Make it Beautiful constructive algorithms math sortings *800	0 / 0	(None)
7413	CF1783B Matrix of Differences constructive algorithms math *1100	0 / 0	(None)
7379	CF1783E Game of the Year brute force data structures math number theory *2300	0 / 0	(None)
7246	CF1787A Exponential Equation constructive algorithms math *800	0 / 0	(None)
7235	CF1787B Number Factorization greedy math number theory *1100	0 / 0	(None)
7224	CF1787C Remove the Bracket dp greedy math *1600	0 / 0	(None)
7202	CF1787E The Harmonization of XOR bitmasks constructive algorithms greedy math *2100	0 / 0	(None)
7191	CF1787F Inverse Transformation constructive algorithms implementation math *2500	0 / 0	(None)
7146	CF1788A One and Two brute force implementation math *800	0 / 0	(None)
7135	CF1788B Sum of Two Numbers constructive algorithms greedy implementation math probabilities *1100	0 / 0	(None)
7124	CF1788C Matching Numbers constructive algorithms greedy math *1300	0 / 0	(None)
7113	CF1788D Moving Dots binary search brute force combinatorics math two pointers *2000	0 / 0	(None)
7080	CF1789A Serval and Mocha's Array brute force math number theory *800	0 / 0	(None)
7057	CF1789C Serval and Toxel's Arrays combinatorics dp implementation math *1500	0 / 0	(None)
7035	CF1789E Serval and Music Game brute force dp implementation math number theory *2500	0 / 0	(None)
7013	CF1790A Polycarp and the Day of Pi implementation math strings *800	0 / 0	(None)
7002	CF1790B Taisia and Dice greedy greedy math *800	0 / 0	(None)
6991	CF1790C Premutation brute force implementation math *1000	0 / 0	(None)
6956	CF1790F Timofey and Black-White Tree brute force dfs and similar divide and conquer graphs greedy math shortest paths trees *2100	0 / 0	(None)
6834	CF1792B Stand-up Comedian greedy math *1200	0 / 0	(None)
6823	CF1792C Min Max Sort binary search brute force greedy math two pointers *1500	0 / 0	(None)
6812	CF1792D Fixed Prefix Permutations binary search bitmasks data structures hashing math sortings *1700	0 / 0	(None)
6768	CF1793A Yet Another Promotion greedy math *800	0 / 0	(None)
6757	CF1793B Fedya and Array constructive algorithms math *1100	0 / 0	(None)
6734	CF1793D Moscow Gorillas binary search dp greedy implementation math two pointers *1800	0 / 0	(None)
6690	CF1794B Not Dividing constructive algorithms greedy math *900	0 / 0	(None)
6679	CF1794C Scoring Subsequences binary search greedy math two pointers *1300	0 / 0	(None)
6668	CF1794D Counting Factorizations combinatorics divide and conquer dp math number theory *1900	0 / 0	(None)
6612	CF1795D Triangle Coloring combinatorics math *1600	0 / 0	(None)
6601	CF1795E Explosions? binary search data structures dp greedy math *2200	0 / 0	(None)
6546	CF1796C Maximum Set binary search math *1600	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)
6401	CF1798D Shocking Arrangement constructive algorithms greedy math *1600	0 / 0	(None)
6379	CF1798F Gifts from Grandfather Ahmed dp math number theory *2500	0 / 0	(None)
6368	CF1799A Recent Actions data structures greedy implementation math *800	0 / 0	(None)
6357	CF1799B Equalize by Divide brute force constructive algorithms greedy math *1200	0 / 0	(None)
6313	CF1799E City Union constructive algorithms dfs and similar dsu geometry greedy implementation math *2300	0 / 0	(None)
6290	CF1799G Count Voting combinatorics dp math *2600	0 / 0	(None)
6113	CF1801F Another n-dimensional chocolate bar dp math meet-in-the-middle number theory *2700	0 / 0	(None)
6080	CF1802B Settlement of Guinea Pigs greedy implementation math *1000	0 / 0	(None)
6068	CF1804A Lame King greedy math *800	0 / 0	(None)
6046	CF1804C Pull Your Luck brute force greedy math number theory *1500	0 / 0	(None)
5957	CF1805C Place for a Selfie binary search data structures geometry math *1400	0 / 0	(None)
5924	CF1805F1 Survival of the Weakest (easy version) binary search brute force implementation math sortings *2600	0 / 0	(None)
5913	CF1805F2 Survival of the Weakest (hard version) greedy math sortings two pointers *3100	0 / 0	(None)
5902	CF1806A Walking Master geometry greedy math *800	0 / 0	(None)
5880	CF1806C Sequence Master brute force constructive algorithms math *1600	0 / 0	(None)
5869	CF1806D DSU Master combinatorics dp dsu math *2500	0 / 0	(None)
5845	CF1806F1 GCD Master (easy version) greedy math number theory sortings *2900	0 / 0	(None)
5834	CF1806F2 GCD Master (hard version) greedy math sortings *2900	0 / 0	(None)
5723	CF1808B Playing in a Casino math sortings *1200	0 / 0	(None)
5668	CF1808E3 Minibuses on Venus (hard version) brute force combinatorics dp math *2800	0 / 0	(None)
5646	CF1809B Points on Plane binary search greedy math *1000	0 / 0	(None)
5635	CF1809C Sum on Subarrays constructive algorithms greedy math *1500	0 / 0	(None)
5612	CF1809E Two Tanks binary search dp implementation math *2400	0 / 0	(None)
5590	CF1809G Prediction combinatorics dp math *2800	0 / 0	(None)
5568	CF1810B Candies constructive algorithms math number theory *800	0 / 0	(None)
5546	CF1810D Climbing the Tree binary search math *1700	0 / 0	(None)

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