number theory - Problem Set

ID	Problem Show tags Hide tags	AC / Tried	Difficulty
2919	CF1473B String LCM brute force math number theory strings *1000	0 / 0	(None)
2911	CF1474B Different Divisors binary search constructive algorithms greedy math number theory *1000	0 / 0	(None)
2906	CF1475A Odd Divisor math number theory *900	0 / 0	(None)
2899	CF1475G Strange Beauty dp math number theory sortings *1900	0 / 0	(None)
2890	CF1477A Nezzar and Board constructive algorithms math number theory *1800	0 / 0	(None)
2875	CF1479E School Clubs dp fft math number theory probabilities *3500	0 / 0	(None)
2855	CF1485A Add and Divide brute force greedy math number theory *1000	0 / 0	(None)
2853	CF1485C Floor and Mod binary search brute force math number theory *1700	0 / 0	(None)
2852	CF1485D Multiples and Power Differences constructive algorithms graphs math number theory *2200	0 / 0	(None)
2840	CF1487B Cat Cycle math number theory *1200	0 / 0	(None)
2838	CF1487D Pythagorean Triples binary search brute force math number theory *1500	0 / 0	(None)
2827	CF1488G Painting Numbers special problem data structures greedy number theory 2500	0 / 0	(None)
2810	CF1491E Fib-tree brute force dfs and similar divide and conquer number theory trees *2400	0 / 0	(None)
2796	CF1493D GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers *2100	0 / 0	(None)
2794	CF1493F Enchanted Matrix bitmasks interactive number theory *2600	0 / 0	(None)
2773	CF1497D Genius bitmasks dp graphs number theory *2500	0 / 0	(None)
2772	CF1497E1 Square-Free Division (easy version) data structures dp greedy math number theory two pointers *1700	0 / 0	(None)
2771	CF1497E2 Square-Free Division (hard version) data structures dp greedy math number theory two pointers *2500	0 / 0	(None)
2760	CF1499D The Number of Pairs dp math number theory *2100	0 / 0	(None)
2754	CF1500B Two chandeliers binary search brute force chinese remainder theorem math number theory *2200	0 / 0	(None)
2736	CF1505B DMCA special problem implementation number theory 1600	0 / 0	(None)
2733	CF1505D Xenolith? Hippodrome? special problem number theory 1800	0 / 0	(None)
2706	CF1510D Digits dp math number theory *2100	0 / 0	(None)
2696	CF1511B GCD Length constructive algorithms math number theory *1100	0 / 0	(None)
2683	CF1512G Short Task brute force dp math number theory *1700	0 / 0	(None)
2678	CF1513D GCD and MST constructive algorithms dsu graphs greedy number theory sortings *2000	0 / 0	(None)
2675	CF1514A Perfectly Imperfect Array math number theory *800	0 / 0	(None)
2673	CF1514C Product 1 Modulo N greedy number theory *1600	0 / 0	(None)
2668	CF1515B Phoenix and Puzzle brute force geometry math number theory *1000	0 / 0	(None)
2663	CF1515G Phoenix and Odometers dfs and similar graphs math number theory *2700	0 / 0	(None)
2656	CF1516D Cut binary search data structures dp graphs number theory two pointers *2100	0 / 0	(None)
2643	CF1519C Berland Regional brute force data structures greedy number theory sortings *1400	0 / 0	(None)
2638	CF1520B Ordinary Numbers brute force math number theory *800	0 / 0	(None)
2629	CF1521A Nastia and Nearly Good Numbers constructive algorithms math number theory *1000	0 / 0	(None)
2628	CF1521B Nastia and a Good Array constructive algorithms math number theory *1300	0 / 0	(None)
2615	CF1525A Potion-making math number theory *800	0 / 0	(None)
2607	CF1526B I Hate 1111 dp math number theory *1400	0 / 0	(None)
2548	CF1535B Array Reodering brute force greedy math number theory sortings *900	0 / 0	(None)
2540	CF1536C Diluc and Kaeya data structures dp hashing number theory *1500	0 / 0	(None)
2532	CF1537D Deleting Divisors games math number theory *1700	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)
2504	CF1541B Pleasant Pairs brute force implementation math number theory *1200	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)
2496	CF1543A Exciting Bets greedy math number theory *900	0 / 0	(None)
2474	CF1547F Array Stabilization (GCD version) binary search brute force data structures divide and conquer number theory two pointers *1900	0 / 0	(None)
2471	CF1548B Integers Have Friends binary search data structures divide and conquer math number theory two pointers *1800	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)
2465	CF1549A Gregor and Cryptography math number theory *800	0 / 0	(None)
2440	CF1552H Guess the Perimeter binary search interactive number theory *3300	0 / 0	(None)
2438	CF1553A Digits Sum math number theory *800	0 / 0	(None)
2431	CF1553G Common Divisor Graph brute force constructive algorithms dsu graphs hashing math number theory *2700	0 / 0	(None)
2423	CF1554E You dfs and similar dp math number theory *2600	0 / 0	(None)
2399	CF1558B Up the Strip brute force dp math number theory two pointers *1900	0 / 0	(None)
2388	CF1559E Mocha and Stars combinatorics dp fft math number theory *2200	0 / 0	(None)
2377	CF1561D1 Up the Strip (simplified version) brute force data structures dp math number theory *1700	0 / 0	(None)
2375	CF1562B Scenes From a Memory brute force constructive algorithms implementation math number theory *1000	0 / 0	(None)
2370	CF1562F Tubular Bells interactive math number theory probabilities *2900	0 / 0	(None)
2360	CF1566H Xor-quiz constructive algorithms dp interactive math number theory *3200	0 / 0	(None)
2317	CF1575C Cyclic Sum data structures fft number theory *3000	0 / 0	(None)
2312	CF1575G GCD Festival math number theory *2200	0 / 0	(None)
2282	CF1579F Array Stabilization (AND version) brute force graphs math number theory shortest paths *1700	0 / 0	(None)
2273	CF1581A CQXYM Count Permutations combinatorics math number theory *800	0 / 0	(None)
2263	CF1582G Kuzya and Homework data structures number theory *2600	0 / 0	(None)
2262	CF1583A Windblume Ode math number theory *800	0 / 0	(None)
2232	CF1592D Hemose in ICPC ? binary search dfs and similar implementation interactive math number theory trees *2300	0 / 0	(None)
2225	CF1593D1 All are Same math number theory *1100	0 / 0	(None)
2223	CF1593D2 Half of Same brute force math number theory *1900	0 / 0	(None)
2188	CF1601A Array Elimination bitmasks greedy math number theory *1300	0 / 0	(None)
2180	CF1603A Di-visible Confusion constructive algorithms math number theory *1300	0 / 0	(None)
2178	CF1603B Moderate Modular Mode constructive algorithms math number theory *1600	0 / 0	(None)
2177	CF1603C Extreme Extension dp greedy math number theory *2300	0 / 0	(None)
2176	CF1603D Artistic Partition divide and conquer dp number theory *3000	0 / 0	(None)
2171	CF1605A A.M math number theory *800	0 / 0	(None)
2166	CF1605E Array Equalizer binary search greedy implementation math number theory sortings two pointers *2400	0 / 0	(None)
2162	CF1606C Banknotes greedy number theory *1400	0 / 0	(None)
2145	CF1608D Dominoes combinatorics fft graphs math number theory *2400	0 / 0	(None)
2141	CF1609A Divide and Multiply greedy implementation math number theory *900	0 / 0	(None)
2139	CF1609C Complex Market Analysis binary search dp implementation number theory schedules two pointers *1400	0 / 0	(None)
2129	CF1610D Not Quite Lee combinatorics dp math number theory *2000	0 / 0	(None)
2110	CF1612D X-Magic Pair math number theory *1600	0 / 0	(None)
2096	CF1614D1 Divan and Kostomuksha (easy version) dp number theory *2100	0 / 0	(None)
2095	CF1614D2 Divan and Kostomuksha (hard version) dp number theory *2300	0 / 0	(None)
2073	CF1617B GCD Problem brute force constructive algorithms math number theory *900	0 / 0	(None)
2069	CF1617E Christmas Chocolates dfs and similar dp games graphs implementation math number theory shortest paths trees *2700	0 / 0	(None)
2028	CF1622F Quadratic Set constructive algorithms hashing math number theory *2900	0 / 0	(None)
2001	CF1626F A Random Code Problem combinatorics dp math number theory probabilities *2800	0 / 0	(None)
1998	CF1627C Not Assigning constructive algorithms dfs and similar number theory trees *1400	0 / 0	(None)
1997	CF1627D Not Adding brute force dp math number theory *1900	0 / 0	(None)
1985	CF1629B GCD Arrays greedy math number theory *800	0 / 0	(None)
1981	CF1630D Flipping Range constructive algorithms dp greedy number theory *2400	0 / 0	(None)
1979	CF1630E Expected Components combinatorics math number theory probabilities *2900	0 / 0	(None)
1978	CF1630F Making It Bipartite flows graph matchings graphs number theory *3400	0 / 0	(None)
1972	CF1632D New Year Concert binary search data structures greedy math number theory two pointers *2000	0 / 0	(None)
1951	CF1635D Infinite Set bitmasks dp math matrices number theory strings *1800	0 / 0	(None)
1906	CF1644F Basis combinatorics fft math number theory *2900	0 / 0	(None)
1900	CF1646E Power Board brute force dp math number theory *2200	0 / 0	(None)
1895	CF1647D Madoka and the Best School in Russia constructive algorithms dp math number theory *1900	0 / 0	(None)

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