Problem Set - SAST OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	2456	codeforces#P1452E Two Editorials brute force dp greedy sortings two pointers *2500	0 / 0	9
	2455	codeforces#P1452F Divide Powers constructive algorithms greedy *2900	0 / 0	10
	2454	codeforces#P1452G Game On Tree data structures dfs and similar greedy trees *2700	0 / 0	10
	2453	codeforces#P1453A Cancel the Trains implementation *800	0 / 0	3
	2452	codeforces#P1453B Suffix Operations constructive algorithms implementation *1400	0 / 0	4
	2451	codeforces#P1453C Triangles greedy implementation *1700	0 / 0	5
	2450	codeforces#P1453D Checkpoints brute force constructive algorithms greedy math probabilities *1900	0 / 0	6
	2449	codeforces#P1453E Dog Snacks binary search dfs and similar dp greedy trees *2300	0 / 0	8
	2448	codeforces#P1453F Even Harder dp *2700	0 / 0	10
	2447	codeforces#P1454A Special Permutation constructive algorithms probabilities *800	0 / 0	3
	2446	codeforces#P1454B Unique Bid Auction implementation *800	0 / 0	3
	2445	codeforces#P1454C Sequence Transformation greedy implementation *1200	0 / 0	4
	2444	codeforces#P1454D Number into Sequence constructive algorithms math number theory *1300	0 / 0	4
	2443	codeforces#P1454E Number of Simple Paths combinatorics dfs and similar graphs trees *2000	0 / 0	7
	2442	codeforces#P1454F Array Partition binary search data structures greedy two pointers *2100	0 / 0	7
	2441	codeforces#P1455A Strange Functions math number theory *800	0 / 0	3
	2440	codeforces#P1455B Jumps constructive algorithms math *1200	0 / 0	4
	2439	codeforces#P1455C Ping-pong constructive algorithms games math *1100	0 / 0	3
	2438	codeforces#P1455D Sequence and Swaps dp greedy sortings *1600	0 / 0	5
	2437	codeforces#P1455E Four Points brute force constructive algorithms flows geometry greedy implementation math ternary search *2400	0 / 0	9
	2436	codeforces#P1455F String and Operations dp greedy *2800	0 / 0	10
	2435	codeforces#P1455G Forbidden Value data structures dp *2900	0 / 0	10
	2434	codeforces#P1456E XOR-ranges dp greedy *3500	0 / 0	10
	2433	codeforces#P1458A Row GCD math number theory *1600	0 / 0	5
	2432	codeforces#P1458B Glass Half Spilled dp *2000	0 / 0	7
	2431	codeforces#P1458C Latin Square math matrices *2700	0 / 0	10
	2430	codeforces#P1458D Flip and Reverse data structures graphs greedy *3100	0 / 0	10
	2429	codeforces#P1458E Nim Shortcuts data structures games *3100	0 / 0	10
	2428	codeforces#P1458F Range Diameter Sum data structures trees *3500	0 / 0	10
	2427	codeforces#P1459A Red-Blue Shuffle math probabilities *800	0 / 0	3
	2426	codeforces#P1459B Move and Turn dp math *1300	0 / 0	4
	2425	codeforces#P1461A String Generation constructive algorithms greedy *800	0 / 0	3
	2424	codeforces#P1461B Find the Spruce brute force dp implementation *1400	0 / 0	4
	2423	codeforces#P1461C Random Events dp math probabilities *1500	0 / 0	5
	2422	codeforces#P1461D Divide and Summarize binary search brute force data structures divide and conquer implementation sortings *1600	0 / 0	5
	2421	codeforces#P1461E Water Level brute force graphs greedy implementation math *2200	0 / 0	8
	2420	codeforces#P1461F Mathematical Expression constructive algorithms dp greedy *2700	0 / 0	10
	2419	codeforces#P1462A Favorite Sequence implementation two pointers *800	0 / 0	3
	2418	codeforces#P1462B Last Year's Substring dp implementation strings *800	0 / 0	3
	2417	codeforces#P1462C Unique Number brute force greedy math *900	0 / 0	3
	2416	codeforces#P1462D Add to Neighbour and Remove greedy math number theory *1400	0 / 0	4
	2415	codeforces#P1462E1 Close Tuples (easy version) binary search combinatorics math sortings two pointers *1500	0 / 0	5
	2414	codeforces#P1462E2 Close Tuples (hard version) binary search combinatorics implementation math sortings two pointers *1700	0 / 0	5
	2413	codeforces#P1462F The Treasure of The Segments binary search data structures greedy *1800	0 / 0	6
	2412	codeforces#P1463A Dungeon binary search math *1100	0 / 0	3
	2411	codeforces#P1463B Find The Array bitmasks constructive algorithms greedy *1400	0 / 0	4
	2410	codeforces#P1463C Busy Robot implementation *1800	0 / 0	6
	2409	codeforces#P1463D Pairs binary search constructive algorithms greedy two pointers *1900	0 / 0	6
	2408	codeforces#P1463E Plan of Lectures constructive algorithms dfs and similar dsu graphs implementation sortings trees *2400	0 / 0	9
	2407	codeforces#P1463F Max Correct Set bitmasks dp math *3100	0 / 0	10
	2406	codeforces#P1464F My Beautiful Madness data structures trees *3500	0 / 0	10
	2405	codeforces#P1466A Bovine Dilemma brute force geometry math *800	0 / 0	3
	2404	codeforces#P1466B Last minute enhancements dp greedy *800	0 / 0	3
	2403	codeforces#P1466C Canine poetry dp greedy strings *1300	0 / 0	4
	2402	codeforces#P1466D 13th Labour of Heracles data structures greedy sortings trees *1500	0 / 0	5
	2401	codeforces#P1466E Apollo versus Pan bitmasks brute force math *1800	0 / 0	6
	2400	codeforces#P1466F Euclid's nightmare bitmasks dfs and similar dsu graphs greedy math sortings *2100	0 / 0	7
	2399	codeforces#P1466G Song of the Sirens combinatorics divide and conquer hashing math string suffix structures strings *2600	0 / 0	10
	2398	codeforces#P1466H Finding satisfactory solutions combinatorics dp graphs greedy math *3300	0 / 0	10
	2397	codeforces#P1466I The Riddle of the Sphinx binary search data structures data structures interactive *3400	0 / 0	10
	2396	codeforces#P1467A Wizard of Orz constructive algorithms greedy math *900	0 / 0	3
	2395	codeforces#P1467B Hills And Valleys brute force implementation *1700	0 / 0	5
	2394	codeforces#P1467C Three Bags constructive algorithms greedy *1900	0 / 0	6
	2393	codeforces#P1467D Sum of Paths combinatorics dp math *2200	0 / 0	8
	2392	codeforces#P1467E Distinctive Roots in a Tree data structures dfs and similar dp trees *2500	0 / 0	9
	2391	codeforces#P1468A LaIS data structures dp greedy *2200	0 / 0	8
	2390	codeforces#P1468B Bakery data structures dsu *2900	0 / 0	10
	2389	codeforces#P1468C Berpizza data structures implementation *1400	0 / 0	4
	2388	codeforces#P1468D Firecrackers binary search sortings *1700	0 / 0	5
	2387	codeforces#P1468E Four Segments greedy *800	0 / 0	3
	2386	codeforces#P1468F Full Turn geometry hashing number theory *1700	0 / 0	5
	2385	codeforces#P1468G Hobbits binary search geometry *2500	0 / 0	9
	2384	codeforces#P1468H K and Medians constructive algorithms greedy math *2200	0 / 0	8
	2383	codeforces#P1468I Plane Tiling geometry implementation math *2500	0 / 0	9
	2382	codeforces#P1468J Road Reform dsu graphs greedy *1800	0 / 0	6
	2381	codeforces#P1468K The Robot brute force implementation *1600	0 / 0	5
	2380	codeforces#P1468L Prime Divisors Selection binary search greedy math number theory *2700	0 / 0	10
	2379	codeforces#P1468M Similar Sets data structures graphs implementation *2300	0 / 0	8
	2378	codeforces#P1468N Waste Sorting greedy implementation *900	0 / 0	3
	2377	codeforces#P1469A Regular Bracket Sequence constructive algorithms greedy *1000	0 / 0	3
	2376	codeforces#P1469B Red and Blue dp greedy *1000	0 / 0	3
	2375	codeforces#P1469C Building a Fence dp greedy implementation two pointers *1600	0 / 0	5
	2374	codeforces#P1469D Ceil Divisions brute force constructive algorithms math number theory *1700	0 / 0	5
	2373	codeforces#P1469E A Bit Similar bitmasks brute force hashing string suffix structures strings two pointers *2400	0 / 0	9
	2372	codeforces#P1469F Power Sockets binary search data structures greedy *2600	0 / 0	10
	2371	codeforces#P1470A Strange Birthday Party binary search dp greedy sortings two pointers *1300	0 / 0	4
	2370	codeforces#P1470B Strange Definition bitmasks graphs hashing math number theory *1900	0 / 0	6
	2369	codeforces#P1470C Strange Shuffle binary search brute force constructive algorithms interactive *2500	0 / 0	9
	2368	codeforces#P1470D Strange Housing constructive algorithms dfs and similar graph matchings graphs greedy *2200	0 / 0	8
	2367	codeforces#P1470E Strange Permutation binary search combinatorics data structures dp graphs implementation two pointers *3200	0 / 0	10
	2366	codeforces#P1470F Strange Covering divide and conquer *3500	0 / 0	10
	2365	codeforces#P1471A Strange Partition greedy math number theory *900	0 / 0	3
	2364	codeforces#P1471B Strange List brute force greedy implementation math *1100	0 / 0	3
	2363	codeforces#P1472A Cards for Friends greedy math *800	0 / 0	3
	2362	codeforces#P1472B Fair Division dp greedy math *800	0 / 0	3
	2361	codeforces#P1472C Long Jumps dp graphs *1100	0 / 0	3
	2360	codeforces#P1472D Even-Odd Game dp games greedy sortings *1200	0 / 0	4
	2359	codeforces#P1472E Correct Placement binary search data structures dp sortings two pointers *1700	0 / 0	5
	2358	codeforces#P1472F New Year's Puzzle brute force dp graph matchings greedy sortings *2100	0 / 0	7
	2357	codeforces#P1472G Moving to the Capital dfs and similar dp graphs shortest paths *2100	0 / 0	7

Pick a problem randomly based on the current filter.