Problem Set - math - SAST OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	2235	codeforces#P1495A Diamond Miner geometry greedy math sortings *1200	0 / 0	4
	2232	codeforces#P1495D BFS Trees combinatorics dfs and similar graphs math shortest paths trees *2600	0 / 0	10
	2228	codeforces#P1496B Max and Mex math *1100	0 / 0	3
	2226	codeforces#P1497B M-arrays constructive algorithms greedy math *1200	0 / 0	4
	2225	codeforces#P1497C1 k-LCM (easy version) constructive algorithms math *1200	0 / 0	4
	2224	codeforces#P1497C2 k-LCM (hard version) constructive algorithms math *1600	0 / 0	5
	2222	codeforces#P1497E1 Square-Free Division (easy version) data structures dp greedy math number theory two pointers *1700	0 / 0	5
	2221	codeforces#P1497E2 Square-Free Division (hard version) data structures dp greedy math number theory two pointers *2500	0 / 0	9
	2220	codeforces#P1498A GCD Sum brute force math *800	0 / 0	3
	2215	codeforces#P1498F Christmas Game bitmasks data structures dfs and similar dp games math trees *2500	0 / 0	9
	2214	codeforces#P1499A Domino on Windowsill combinatorics constructive algorithms math *800	0 / 0	3
	2212	codeforces#P1499C Minimum Grid Path brute force data structures greedy math *1500	0 / 0	5
	2211	codeforces#P1499D The Number of Pairs dp math number theory *2100	0 / 0	7
	2210	codeforces#P1499E Chaotic Merge combinatorics dp math strings *2400	0 / 0	9
	2207	codeforces#P1500A Going Home brute force hashing implementation math *1800	0 / 0	6
	2206	codeforces#P1500B Two chandeliers binary search brute force chinese remainder theorem math number theory *2200	0 / 0	8
	2195	codeforces#P1503E 2-Coloring combinatorics dp math *3100	0 / 0	10
	2192	codeforces#P1504B Flip the Bits constructive algorithms greedy implementation math *1200	0 / 0	4
	2186	codeforces#P1505F Math special problem math 2200	0 / 0	8
	2182	codeforces#P1506A Strange Table math *800	0 / 0	3
	2177	codeforces#P1506F Triangular Paths constructive algorithms graphs math shortest paths sortings *2000	0 / 0	7
	2163	codeforces#P1510D Digits dp math number theory *2100	0 / 0	7
	2158	codeforces#P1510I Is It Rated? greedy interactive math probabilities *2700	0 / 0	10
	2157	codeforces#P1510J Japanese Game constructive algorithms math *2700	0 / 0	10
	2154	codeforces#P1511B GCD Length constructive algorithms math number theory *1100	0 / 0	3
	2151	codeforces#P1511E Colorings and Dominoes combinatorics dp greedy math *2100	0 / 0	7
	2144	codeforces#P1512E Permutation by Sum brute force greedy math *1600	0 / 0	5
	2142	codeforces#P1512G Short Task brute force dp math number theory *1700	0 / 0	5
	2140	codeforces#P1513B AND Sequences bitmasks combinatorics constructive algorithms math *1400	0 / 0	4
	2137	codeforces#P1513E Cost Equilibrium combinatorics constructive algorithms math sortings *2300	0 / 0	8
	2135	codeforces#P1514A Perfectly Imperfect Array math number theory *800	0 / 0	3
	2134	codeforces#P1514B AND 0, Sum Big bitmasks combinatorics math *1200	0 / 0	4
	2130	codeforces#P1515A Phoenix and Gold constructive algorithms greedy math *800	0 / 0	3
	2129	codeforces#P1515B Phoenix and Puzzle brute force geometry math number theory *1000	0 / 0	3
	2126	codeforces#P1515E Phoenix and Computers combinatorics dp math *2200	0 / 0	8
	2124	codeforces#P1515G Phoenix and Odometers dfs and similar graphs math number theory *2700	0 / 0	10
	2119	codeforces#P1516C Baby Ehab Partitions Again bitmasks constructive algorithms dp math *1700	0 / 0	5
	2117	codeforces#P1516E Baby Ehab Plays with Permutations combinatorics dp math *2500	0 / 0	9
	2116	codeforces#P1517A Sum of 2050 greedy math *800	0 / 0	3
	2108	codeforces#P1519A Red and Blue Beans math *800	0 / 0	3
	2107	codeforces#P1519B The Cake Is a Lie dp math *800	0 / 0	3
	2105	codeforces#P1519D Maximum Sum of Products brute force dp implementation math two pointers *1600	0 / 0	5
	2101	codeforces#P1520B Ordinary Numbers brute force math number theory *800	0 / 0	3
	2099	codeforces#P1520D Same Differences data structures hashing math *1200	0 / 0	4
	2098	codeforces#P1520E Arranging The Sheep greedy math *1400	0 / 0	4
	2094	codeforces#P1521A Nastia and Nearly Good Numbers constructive algorithms math number theory *1000	0 / 0	3
	2093	codeforces#P1521B Nastia and a Good Array constructive algorithms math number theory *1300	0 / 0	4
	2085	codeforces#P1523E Crypto Lights combinatorics dp math probabilities *2600	0 / 0	10
	2081	codeforces#P1525A Potion-making math number theory *800	0 / 0	3
	2077	codeforces#P1525E Assimilation IV combinatorics dp math probabilities two pointers *2100	0 / 0	7
	2074	codeforces#P1526B I Hate 1111 dp math number theory *1400	0 / 0	4
	2071	codeforces#P1526D Kill Anton brute force constructive algorithms data structures math strings *2200	0 / 0	8
	2070	codeforces#P1526E Oolimry and Suffix Array combinatorics constructive algorithms math *2400	0 / 0	9
	2065	codeforces#P1527C Sequence Pair Weight hashing implementation math *1600	0 / 0	5
	2064	codeforces#P1527D MEX Tree combinatorics dfs and similar implementation math trees *2400	0 / 0	9
	2061	codeforces#P1528B Kavi on Pairing Duty combinatorics dp math *1700	0 / 0	5
	2057	codeforces#P1528F AmShZ Farm combinatorics fft math *3300	0 / 0	10
	2056	codeforces#P1529A Eshag Loves Big Arrays constructive algorithms greedy math *800	0 / 0	3
	2055	codeforces#P1529B Sifid and Strange Subsequences greedy math sortings *1100	0 / 0	3
	2054	codeforces#P1530A Binary Decimal greedy math *800	0 / 0	3
	2051	codeforces#P1530D Secret Santa constructive algorithms flows graphs greedy math *1600	0 / 0	5
	2049	codeforces#P1530F Bingo bitmasks combinatorics dp math probabilities *2600	0 / 0	10
	2045	codeforces#P1532B Frog Jumping *special problem math	0 / 0	(None)
	2040	codeforces#P1533A Travel to Bertown *special problem implementation math	0 / 0	(None)
	2029	codeforces#P1534B Histogram Ugliness greedy implementation math *1100	0 / 0	3
	2028	codeforces#P1534C Little Alawn's Puzzle combinatorics dp dsu graphs math *1300	0 / 0	4
	2020	codeforces#P1535B Array Reodering brute force greedy math number theory sortings *900	0 / 0	3
	2011	codeforces#P1536E Omkar and Forest combinatorics graphs math shortest paths *2300	0 / 0	8
	2010	codeforces#P1536F Omkar and Akmar chinese remainder theorem combinatorics constructive algorithms fft games geometry math meet-in-the-middle string suffix structures *2600	0 / 0	10
	2009	codeforces#P1537A Arithmetic Array greedy math *800	0 / 0	3
	2008	codeforces#P1537B Bad Boy constructive algorithms greedy math *900	0 / 0	3
	2007	codeforces#P1537C Challenging Cliffs constructive algorithms greedy implementation math *1200	0 / 0	4
	2006	codeforces#P1537D Deleting Divisors games math number theory *1700	0 / 0	5
	2003	codeforces#P1537F Figure Fixing constructive algorithms dfs and similar dsu graphs greedy math *2200	0 / 0	8
	2001	codeforces#P1538B Friends and Candies greedy math *800	0 / 0	3
	2000	codeforces#P1538C Number of Pairs binary search data structures math two pointers *1300	0 / 0	4
	1999	codeforces#P1538D Another Problem About Dividing Numbers constructive algorithms math number theory *1700	0 / 0	5
	1997	codeforces#P1538F Interesting Function binary search dp math number theory *1500	0 / 0	5
	1996	codeforces#P1538G Gift Set binary search greedy math ternary search *2100	0 / 0	7
	1995	codeforces#P1539A Contest Start combinatorics geometry greedy math *1000	0 / 0	3
	1988	codeforces#P1540B Tree Array brute force combinatorics dp graphs math probabilities trees *2300	0 / 0	8
	1987	codeforces#P1540C1 Converging Array (Easy Version) dp math *2700	0 / 0	10
	1986	codeforces#P1540C2 Converging Array (Hard Version) dp math *2900	0 / 0	10
	1984	codeforces#P1540E Tasty Dishes math matrices *3500	0 / 0	10
	1982	codeforces#P1541B Pleasant Pairs brute force implementation math number theory *1200	0 / 0	4
	1981	codeforces#P1542A Odd Set math *800	0 / 0	3
	1980	codeforces#P1542B Plus and Multiply constructive algorithms math number theory *1500	0 / 0	5
	1979	codeforces#P1542C Strange Function math number theory *1600	0 / 0	5
	1978	codeforces#P1542D Priority Queue combinatorics dp implementation math ternary search *2200	0 / 0	8
	1977	codeforces#P1542E1 Abnormal Permutation Pairs (easy version) combinatorics dp fft math *2400	0 / 0	9
	1976	codeforces#P1542E2 Abnormal Permutation Pairs (hard version) combinatorics dp fft math *2700	0 / 0	10
	1975	codeforces#P1543A Exciting Bets greedy math number theory *900	0 / 0	3
	1974	codeforces#P1543B Customising the Track combinatorics greedy math *900	0 / 0	3
	1973	codeforces#P1543C Need for Pink Slips bitmasks brute force dfs and similar implementation math probabilities *1900	0 / 0	6
	1972	codeforces#P1543D1 RPD and Rap Sheet (Easy Version) bitmasks constructive algorithms interactive math *1700	0 / 0	5
	1971	codeforces#P1543D2 RPD and Rap Sheet (Hard Version) brute force constructive algorithms interactive math *2200	0 / 0	8
	1970	codeforces#P1543E The Final Pursuit bitmasks constructive algorithms divide and conquer graphs greedy math *2700	0 / 0	10
	1968	codeforces#P1545B AquaMoon and Chess combinatorics math *1900	0 / 0	6
	1966	codeforces#P1545D AquaMoon and Wrong Coordinate constructive algorithms interactive math *3000	0 / 0	10
	1961	codeforces#P1546B AquaMoon and Stolen String interactive math *1200	0 / 0	4

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