Problem Set - SAST OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	2256	codeforces#P1491F Magnets binary search constructive algorithms interactive *2700	0 / 0	10
	2255	codeforces#P1491G Switch and Flip constructive algorithms graphs math *2800	0 / 0	10
	2254	codeforces#P1491H Yuezheng Ling and Dynamic Tree data structures trees *3400	0 / 0	10
	2253	codeforces#P1491I Ruler Of The Zoo brute force data structures *3500	0 / 0	10
	2252	codeforces#P1492A Three swimmers math *800	0 / 0	3
	2251	codeforces#P1492B Card Deck data structures greedy math *1100	0 / 0	3
	2250	codeforces#P1492C Maximum width binary search data structures dp greedy two pointers *1500	0 / 0	5
	2249	codeforces#P1492D Genius's Gambit bitmasks constructive algorithms greedy math *1900	0 / 0	6
	2248	codeforces#P1492E Almost Fault-Tolerant Database brute force constructive algorithms dfs and similar greedy implementation *2500	0 / 0	9
	2247	codeforces#P1493A Anti-knapsack constructive algorithms greedy *800	0 / 0	3
	2246	codeforces#P1493B Planet Lapituletti brute force implementation *1300	0 / 0	4
	2245	codeforces#P1493C K-beautiful Strings binary search brute force constructive algorithms greedy strings *2000	0 / 0	7
	2244	codeforces#P1493D GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers *2100	0 / 0	7
	2243	codeforces#P1493E Enormous XOR bitmasks constructive algorithms greedy math strings two pointers *2600	0 / 0	10
	2242	codeforces#P1493F Enchanted Matrix bitmasks interactive number theory *2600	0 / 0	10
	2241	codeforces#P1494A ABC String bitmasks brute force implementation *900	0 / 0	3
	2240	codeforces#P1494B Berland Crossword bitmasks brute force greedy implementation *1400	0 / 0	4
	2239	codeforces#P1494C 1D Sokoban binary search dp greedy implementation two pointers *1900	0 / 0	6
	2238	codeforces#P1494D Dogeforces constructive algorithms data structures dfs and similar divide and conquer dsu greedy sortings trees *2300	0 / 0	8
	2237	codeforces#P1494E A-Z Graph constructive algorithms data structures graphs hashing *2400	0 / 0	9
	2236	codeforces#P1494F Delete The Edges brute force constructive algorithms dfs and similar graphs implementation *2900	0 / 0	10
	2235	codeforces#P1495A Diamond Miner geometry greedy math sortings *1200	0 / 0	4
	2234	codeforces#P1495B Let's Go Hiking games greedy *1900	0 / 0	6
	2233	codeforces#P1495C Garden of the Sun constructive algorithms graphs *2300	0 / 0	8
	2232	codeforces#P1495D BFS Trees combinatorics dfs and similar graphs math shortest paths trees *2600	0 / 0	10
	2231	codeforces#P1495E Qingshan and Daniel brute force data structures greedy implementation *3200	0 / 0	10
	2230	codeforces#P1495F Squares constructive algorithms data structures dp graphs trees *3300	0 / 0	10
	2229	codeforces#P1496A Split it! brute force constructive algorithms greedy strings *900	0 / 0	3
	2228	codeforces#P1496B Max and Mex math *1100	0 / 0	3
	2227	codeforces#P1497A Meximization brute force data structures greedy sortings *800	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
	2223	codeforces#P1497D Genius bitmasks dp graphs number theory *2500	0 / 0	9
	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
	2219	codeforces#P1498B Box Fitting binary search bitmasks data structures greedy *1300	0 / 0	4
	2218	codeforces#P1498C Planar Reflections brute force data structures dp *1600	0 / 0	5
	2217	codeforces#P1498D Bananas in a Microwave dfs and similar dp graphs implementation *2200	0 / 0	8
	2216	codeforces#P1498E Two Houses brute force graphs greedy interactive sortings *2200	0 / 0	8
	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
	2213	codeforces#P1499B Binary Removals brute force dp greedy implementation *1000	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
	2209	codeforces#P1499F Diameter Cuts combinatorics dfs and similar dp trees *2400	0 / 0	9
	2208	codeforces#P1499G Graph Coloring data structures graphs interactive *3100	0 / 0	10
	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
	2205	codeforces#P1500C Matrix Sorting bitmasks brute force constructive algorithms greedy two pointers *2600	0 / 0	10
	2204	codeforces#P1500D Tiles for Bathroom data structures sortings two pointers *2900	0 / 0	10
	2203	codeforces#P1500E Subset Trick binary search data structures *3300	0 / 0	10
	2202	codeforces#P1500F Cupboards Jumps dp *3500	0 / 0	10
	2201	codeforces#P1501A Alexey and Train implementation *800	0 / 0	3
	2200	codeforces#P1501B Napoleon Cake dp implementation sortings *900	0 / 0	3
	2199	codeforces#P1503A Balance the Bits constructive algorithms greedy *1600	0 / 0	5
	2198	codeforces#P1503B 3-Coloring constructive algorithms games interactive *1700	0 / 0	5
	2197	codeforces#P1503C Travelling Salesman Problem binary search data structures dp greedy shortest paths sortings two pointers *2200	0 / 0	8
	2196	codeforces#P1503D Flip the Cards 2-sat constructive algorithms data structures greedy sortings two pointers *2600	0 / 0	10
	2195	codeforces#P1503E 2-Coloring combinatorics dp math *3100	0 / 0	10
	2194	codeforces#P1503F Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation *3500	0 / 0	10
	2193	codeforces#P1504A Déjà Vu constructive algorithms strings *800	0 / 0	3
	2192	codeforces#P1504B Flip the Bits constructive algorithms greedy implementation math *1200	0 / 0	4
	2191	codeforces#P1505A Is it rated - 2 special problem implementation interactive 900	0 / 0	3
	2190	codeforces#P1505B DMCA special problem implementation number theory 1600	0 / 0	5
	2189	codeforces#P1505C Fibonacci Words special problem implementation 1400	0 / 0	4
	2188	codeforces#P1505D Xenolith? Hippodrome? special problem number theory 1800	0 / 0	6
	2187	codeforces#P1505E Cakewalk special problem greedy implementation shortest paths 1800	0 / 0	6
	2186	codeforces#P1505F Math special problem math 2200	0 / 0	8
	2185	codeforces#P1505G Encoded message special problem implementation 2600	0 / 0	10
	2184	codeforces#P1505H L BREAK into program special problem 2500	0 / 0	9
	2183	codeforces#P1505I Mysterious language again, seriously? special problem 2200	0 / 0	8
	2182	codeforces#P1506A Strange Table math *800	0 / 0	3
	2181	codeforces#P1506B Partial Replacement greedy implementation *1100	0 / 0	3
	2180	codeforces#P1506C Double-ended Strings brute force implementation strings *1000	0 / 0	3
	2179	codeforces#P1506D Epic Transformation constructive algorithms data structures greedy *1400	0 / 0	4
	2178	codeforces#P1506E Restoring the Permutation constructive algorithms implementation *1500	0 / 0	5
	2177	codeforces#P1506F Triangular Paths constructive algorithms graphs math shortest paths sortings *2000	0 / 0	7
	2176	codeforces#P1506G Maximize the Remaining String brute force data structures dp greedy strings *2000	0 / 0	7
	2175	codeforces#P1508A Binary Literature constructive algorithms greedy implementation strings two pointers *1900	0 / 0	6
	2174	codeforces#P1508B Almost Sorted binary search combinatorics constructive algorithms implementation *1800	0 / 0	6
	2173	codeforces#P1508C Complete the MST bitmasks brute force data structures dfs and similar dsu graphs greedy trees *2500	0 / 0	9
	2172	codeforces#P1508D Swap Pass constructive algorithms geometry sortings *3000	0 / 0	10
	2171	codeforces#P1508E Tree Calendar brute force constructive algorithms data structures dfs and similar sortings trees *3100	0 / 0	10
	2170	codeforces#P1508F Optimal Encoding brute force data structures *3500	0 / 0	10
	2169	codeforces#P1509A Average Height constructive algorithms *800	0 / 0	3
	2168	codeforces#P1509B TMT Document greedy *1100	0 / 0	3
	2167	codeforces#P1509C The Sports Festival dp greedy *1800	0 / 0	6
	2166	codeforces#P1510A __NO_TITLE__	0 / 0	(None)
	2165	codeforces#P1510B Button Lock flows graph matchings graphs *2600	0 / 0	10
	2164	codeforces#P1510C Cactus Not Enough dfs and similar graph matchings graphs *2900	0 / 0	10
	2163	codeforces#P1510D Digits dp math number theory *2100	0 / 0	7
	2162	codeforces#P1510E __NO_TITLE__	0 / 0	(None)
	2161	codeforces#P1510F Fiber Shape *2800	0 / 0	10
	2160	codeforces#P1510G __NO_TITLE__	0 / 0	(None)
	2159	codeforces#P1510H Hard Optimization dp *3200	0 / 0	10
	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

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