Problem Set - implementation - SAST OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	2553	P1430C Numbers on Whiteboard constructive algorithms data structures greedy implementation math *1000	0 / 0	3
	2547	P1431B Polycarp and the Language of Gods special problem implementation two pointers 1400	0 / 0	4
	2546	P1431C Black Friday special problem implementation 1600	0 / 0	5
	2538	P1433A Boring Apartments implementation math *800	0 / 0	3
	2537	P1433B Yet Another Bookshelf greedy implementation *800	0 / 0	3
	2520	P1437E Make It Increasing binary search constructive algorithms data structures dp implementation *2200	0 / 0	8
	2517	P1438A Specific Tastes of Andre constructive algorithms implementation *800	0 / 0	3
	2511	P1439A1 Binary Table (Easy Version) constructive algorithms implementation *1500	0 / 0	5
	2510	P1439A2 Binary Table (Hard Version) constructive algorithms graphs greedy implementation *1900	0 / 0	6
	2508	P1439C Greedy Shopping binary search data structures divide and conquer greedy implementation *2600	0 / 0	10
	2505	P1440A Buy the String implementation math *800	0 / 0	3
	2502	P1442B Identify the Operations combinatorics data structures dsu greedy implementation *1800	0 / 0	6
	2473	P1450D Rating Compression binary search data structures greedy implementation two pointers *1800	0 / 0	6
	2468	P1450H2 Multithreading (Hard Version) combinatorics implementation math *3300	0 / 0	10
	2466	P1451B Non-Substring Subsequence dp greedy implementation strings *900	0 / 0	3
	2465	P1451C String Equality dp greedy hashing implementation strings *1400	0 / 0	4
	2453	P1453A Cancel the Trains implementation *800	0 / 0	3
	2452	P1453B Suffix Operations constructive algorithms implementation *1400	0 / 0	4
	2451	P1453C Triangles greedy implementation *1700	0 / 0	5
	2446	P1454B Unique Bid Auction implementation *800	0 / 0	3
	2445	P1454C Sequence Transformation greedy implementation *1200	0 / 0	4
	2437	P1455E Four Points brute force constructive algorithms flows geometry greedy implementation math ternary search *2400	0 / 0	9
	2424	P1461B Find the Spruce brute force dp implementation *1400	0 / 0	4
	2422	P1461D Divide and Summarize binary search brute force data structures divide and conquer implementation sortings *1600	0 / 0	5
	2421	P1461E Water Level brute force graphs greedy implementation math *2200	0 / 0	8
	2419	P1462A Favorite Sequence implementation two pointers *800	0 / 0	3
	2418	P1462B Last Year's Substring dp implementation strings *800	0 / 0	3
	2414	P1462E2 Close Tuples (hard version) binary search combinatorics implementation math sortings two pointers *1700	0 / 0	5
	2410	P1463C Busy Robot implementation *1800	0 / 0	6
	2408	P1463E Plan of Lectures constructive algorithms dfs and similar dsu graphs implementation sortings trees *2400	0 / 0	9
	2395	P1467B Hills And Valleys brute force implementation *1700	0 / 0	5
	2389	P1468C Berpizza data structures implementation *1400	0 / 0	4
	2383	P1468I Plane Tiling geometry implementation math *2500	0 / 0	9
	2381	P1468K The Robot brute force implementation *1600	0 / 0	5
	2379	P1468M Similar Sets data structures graphs implementation *2300	0 / 0	8
	2378	P1468N Waste Sorting greedy implementation *900	0 / 0	3
	2375	P1469C Building a Fence dp greedy implementation two pointers *1600	0 / 0	5
	2367	P1470E Strange Permutation binary search combinatorics data structures dp graphs implementation two pointers *3200	0 / 0	10
	2364	P1471B Strange List brute force greedy implementation math *1100	0 / 0	3
	2356	P1473A Replacing Elements greedy implementation math sortings *800	0 / 0	3
	2353	P1473D Program data structures dp implementation strings *1700	0 / 0	5
	2347	P1474C Array Destruction brute force constructive algorithms data structures greedy implementation sortings *1700	0 / 0	5
	2333	P1476D Journey dfs and similar dp dsu implementation *1700	0 / 0	5
	2321	P1478C Nezzar and Symmetric Array implementation math sortings *1700	0 / 0	5
	2319	P1479B1 Painting the Array I constructive algorithms data structures dp greedy implementation *1900	0 / 0	6
	2318	P1479B2 Painting the Array II constructive algorithms data structures dp greedy implementation *2100	0 / 0	7
	2313	P1480B The Great Hero greedy implementation sortings *900	0 / 0	3
	2311	P1481B New Colony brute force greedy implementation *1100	0 / 0	3
	2309	P1481D AB Graph brute force constructive algorithms graphs greedy implementation *2000	0 / 0	7
	2305	P1482B Restore Modulo implementation math *1500	0 / 0	5
	2304	P1482C Basic Diplomacy brute force constructive algorithms greedy implementation *1600	0 / 0	5
	2303	P1482D Playlist data structures dsu implementation shortest paths *1900	0 / 0	6
	2297	P1485B Replace and Keep Sorted dp implementation math *1200	0 / 0	4
	2292	P1486A Shifting Stacks greedy implementation *900	0 / 0	3
	2285	P1487A Arena implementation sortings *800	0 / 0	3
	2283	P1487C Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math *1500	0 / 0	5
	2281	P1487E Cheap Dinner brute force data structures graphs greedy implementation sortings two pointers *2000	0 / 0	7
	2265	P1490D Permutation Transformation dfs and similar divide and conquer implementation *1200	0 / 0	4
	2261	P1491A K-th Largest Value brute force greedy implementation *800	0 / 0	3
	2259	P1491C Pekora and Trampoline brute force data structures dp greedy implementation *1700	0 / 0	5
	2248	P1492E Almost Fault-Tolerant Database brute force constructive algorithms dfs and similar greedy implementation *2500	0 / 0	9
	2246	P1493B Planet Lapituletti brute force implementation *1300	0 / 0	4
	2244	P1493D GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers *2100	0 / 0	7
	2241	P1494A ABC String bitmasks brute force implementation *900	0 / 0	3
	2240	P1494B Berland Crossword bitmasks brute force greedy implementation *1400	0 / 0	4
	2239	P1494C 1D Sokoban binary search dp greedy implementation two pointers *1900	0 / 0	6
	2236	P1494F Delete The Edges brute force constructive algorithms dfs and similar graphs implementation *2900	0 / 0	10
	2231	P1495E Qingshan and Daniel brute force data structures greedy implementation *3200	0 / 0	10
	2217	P1498D Bananas in a Microwave dfs and similar dp graphs implementation *2200	0 / 0	8
	2213	P1499B Binary Removals brute force dp greedy implementation *1000	0 / 0	3
	2207	P1500A Going Home brute force hashing implementation math *1800	0 / 0	6
	2201	P1501A Alexey and Train implementation *800	0 / 0	3
	2200	P1501B Napoleon Cake dp implementation sortings *900	0 / 0	3
	2194	P1503F Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation *3500	0 / 0	10
	2192	P1504B Flip the Bits constructive algorithms greedy implementation math *1200	0 / 0	4
	2191	P1505A Is it rated - 2 special problem implementation interactive 900	0 / 0	3
	2190	P1505B DMCA special problem implementation number theory 1600	0 / 0	5
	2189	P1505C Fibonacci Words special problem implementation 1400	0 / 0	4
	2187	P1505E Cakewalk special problem greedy implementation shortest paths 1800	0 / 0	6
	2185	P1505G Encoded message special problem implementation 2600	0 / 0	10
	2181	P1506B Partial Replacement greedy implementation *1100	0 / 0	3
	2180	P1506C Double-ended Strings brute force implementation strings *1000	0 / 0	3
	2178	P1506E Restoring the Permutation constructive algorithms implementation *1500	0 / 0	5
	2175	P1508A Binary Literature constructive algorithms greedy implementation strings two pointers *1900	0 / 0	6
	2174	P1508B Almost Sorted binary search combinatorics constructive algorithms implementation *1800	0 / 0	6
	2156	P1510K King's Task brute force graphs implementation *1200	0 / 0	4
	2153	P1511C Yet Another Card Deck brute force data structures implementation trees *1100	0 / 0	3
	2148	P1512A Spy Detected! brute force implementation *800	0 / 0	3
	2147	P1512B Almost Rectangle implementation *800	0 / 0	3
	2146	P1512C A-B Palindrome constructive algorithms implementation strings *1200	0 / 0	4
	2143	P1512F Education brute force dp greedy implementation *1900	0 / 0	6
	2141	P1513A Array and Peaks constructive algorithms implementation *800	0 / 0	3
	2132	P1514D Cut and Stick binary search data structures greedy implementation sortings *2000	0 / 0	7
	2114	P1517C Fillomino 2 constructive algorithms dfs and similar greedy implementation *1400	0 / 0	4
	2112	P1517E Group Photo binary search data structures implementation two pointers *2500	0 / 0	9
	2105	P1519D Maximum Sum of Products brute force dp implementation math two pointers *1600	0 / 0	5
	2102	P1520A Do Not Be Distracted! brute force implementation *800	0 / 0	3
	2095	P1520G To Go Or Not To Go? brute force dfs and similar graphs greedy implementation shortest paths *2200	0 / 0	8
	2091	P1521D Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp dsu greedy implementation trees *2500	0 / 0	9
	2089	P1523A Game of Life implementation *800	0 / 0	3

Pick a problem randomly based on the current filter.