Problem Set - math - SAST OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	2497	P1443A Kids Seating constructive algorithms math *800	0 / 0	3
	2496	P1443B Saving the City dp greedy math sortings *1300	0 / 0	4
	2494	P1443E Long Permutation brute force math two pointers *2400	0 / 0	9
	2493	P1444A Division brute force math number theory *1500	0 / 0	5
	2492	P1444B Divide and Sum combinatorics math sortings *1900	0 / 0	6
	2487	P1445B Elimination greedy math *900	0 / 0	3
	2479	P1447A Add Candies constructive algorithms math *800	0 / 0	3
	2478	P1447B Numbers Box greedy math *1000	0 / 0	3
	2475	P1450C1 Errich-Tac-Toe (Easy Version) constructive algorithms math *2100	0 / 0	7
	2474	P1450C2 Errich-Tac-Toe (Hard Version) constructive algorithms math *2300	0 / 0	8
	2469	P1450H1 Multithreading (Easy Version) combinatorics fft math *2900	0 / 0	10
	2468	P1450H2 Multithreading (Hard Version) combinatorics implementation math *3300	0 / 0	10
	2467	P1451A Subtract or Divide greedy math *800	0 / 0	3
	2464	P1451D Circle Game games geometry math *1700	0 / 0	5
	2463	P1451E1 Bitwise Queries (Easy Version) bitmasks constructive algorithms interactive math *2000	0 / 0	7
	2462	P1451E2 Bitwise Queries (Hard Version) bitmasks constructive algorithms interactive math *2300	0 / 0	8
	2460	P1452A Robot Program math *800	0 / 0	3
	2459	P1452B Toy Blocks binary search greedy math sortings *1400	0 / 0	4
	2457	P1452D Radio Towers combinatorics dp math *1600	0 / 0	5
	2450	P1453D Checkpoints brute force constructive algorithms greedy math probabilities *1900	0 / 0	6
	2444	P1454D Number into Sequence constructive algorithms math number theory *1300	0 / 0	4
	2441	P1455A Strange Functions math number theory *800	0 / 0	3
	2440	P1455B Jumps constructive algorithms math *1200	0 / 0	4
	2439	P1455C Ping-pong constructive algorithms games math *1100	0 / 0	3
	2437	P1455E Four Points brute force constructive algorithms flows geometry greedy implementation math ternary search *2400	0 / 0	9
	2433	P1458A Row GCD math number theory *1600	0 / 0	5
	2431	P1458C Latin Square math matrices *2700	0 / 0	10
	2427	P1459A Red-Blue Shuffle math probabilities *800	0 / 0	3
	2426	P1459B Move and Turn dp math *1300	0 / 0	4
	2423	P1461C Random Events dp math probabilities *1500	0 / 0	5
	2421	P1461E Water Level brute force graphs greedy implementation math *2200	0 / 0	8
	2417	P1462C Unique Number brute force greedy math *900	0 / 0	3
	2416	P1462D Add to Neighbour and Remove greedy math number theory *1400	0 / 0	4
	2415	P1462E1 Close Tuples (easy version) binary search combinatorics math sortings two pointers *1500	0 / 0	5
	2414	P1462E2 Close Tuples (hard version) binary search combinatorics implementation math sortings two pointers *1700	0 / 0	5
	2412	P1463A Dungeon binary search math *1100	0 / 0	3
	2407	P1463F Max Correct Set bitmasks dp math *3100	0 / 0	10
	2405	P1466A Bovine Dilemma brute force geometry math *800	0 / 0	3
	2401	P1466E Apollo versus Pan bitmasks brute force math *1800	0 / 0	6
	2400	P1466F Euclid's nightmare bitmasks dfs and similar dsu graphs greedy math sortings *2100	0 / 0	7
	2399	P1466G Song of the Sirens combinatorics divide and conquer hashing math string suffix structures strings *2600	0 / 0	10
	2398	P1466H Finding satisfactory solutions combinatorics dp graphs greedy math *3300	0 / 0	10
	2396	P1467A Wizard of Orz constructive algorithms greedy math *900	0 / 0	3
	2393	P1467D Sum of Paths combinatorics dp math *2200	0 / 0	8
	2384	P1468H K and Medians constructive algorithms greedy math *2200	0 / 0	8
	2383	P1468I Plane Tiling geometry implementation math *2500	0 / 0	9
	2380	P1468L Prime Divisors Selection binary search greedy math number theory *2700	0 / 0	10
	2374	P1469D Ceil Divisions brute force constructive algorithms math number theory *1700	0 / 0	5
	2370	P1470B Strange Definition bitmasks graphs hashing math number theory *1900	0 / 0	6
	2365	P1471A Strange Partition greedy math number theory *900	0 / 0	3
	2364	P1471B Strange List brute force greedy implementation math *1100	0 / 0	3
	2363	P1472A Cards for Friends greedy math *800	0 / 0	3
	2362	P1472B Fair Division dp greedy math *800	0 / 0	3
	2356	P1473A Replacing Elements greedy implementation math sortings *800	0 / 0	3
	2355	P1473B String LCM brute force math number theory strings *1000	0 / 0	3
	2354	P1473C No More Inversions constructive algorithms math *1500	0 / 0	5
	2351	P1473F Strange Set flows math *2700	0 / 0	10
	2350	P1473G Tiles combinatorics dp fft math *2800	0 / 0	10
	2348	P1474B Different Divisors binary search constructive algorithms greedy math number theory *1000	0 / 0	3
	2346	P1474D Cleaning data structures dp greedy math *2200	0 / 0	8
	2344	P1474F 1 2 3 4 ... dp math matrices *3000	0 / 0	10
	2343	P1475A Odd Divisor math number theory *900	0 / 0	3
	2342	P1475B New Year's Number brute force dp math *900	0 / 0	3
	2341	P1475C Ball in Berland combinatorics graphs math *1400	0 / 0	4
	2339	P1475E Advertising Agency combinatorics math sortings *1600	0 / 0	5
	2337	P1475G Strange Beauty dp math number theory sortings *1900	0 / 0	6
	2336	P1476A K-divisible Sum binary search constructive algorithms greedy math *1000	0 / 0	3
	2335	P1476B Inflation binary search brute force greedy math *1300	0 / 0	4
	2329	P1477A Nezzar and Board constructive algorithms math number theory *1800	0 / 0	6
	2327	P1477C Nezzar and Nice Beatmap constructive algorithms geometry greedy math sortings *2200	0 / 0	8
	2324	P1477F Nezzar and Chocolate Bars combinatorics fft math probabilities *3500	0 / 0	10
	2322	P1478B Nezzar and Lucky Number brute force dp greedy math *1100	0 / 0	3
	2321	P1478C Nezzar and Symmetric Array implementation math sortings *1700	0 / 0	5
	2315	P1479E School Clubs dp fft math number theory probabilities *3500	0 / 0	10
	2306	P1482A Prison Break math *800	0 / 0	3
	2305	P1482B Restore Modulo implementation math *1500	0 / 0	5
	2298	P1485A Add and Divide brute force greedy math number theory *1000	0 / 0	3
	2297	P1485B Replace and Keep Sorted dp implementation math *1200	0 / 0	4
	2296	P1485C Floor and Mod binary search brute force math number theory *1700	0 / 0	5
	2295	P1485D Multiples and Power Differences constructive algorithms graphs math number theory *2200	0 / 0	8
	2284	P1487B Cat Cycle math number theory *1200	0 / 0	4
	2283	P1487C Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math *1500	0 / 0	5
	2282	P1487D Pythagorean Triples binary search brute force math number theory *1500	0 / 0	5
	2279	P1487G String Counting combinatorics dp fft math *2700	0 / 0	10
	2278	P1488A From Zero To Y special problem math 900	0 / 0	3
	2276	P1488C Two Policemen special problem binary search brute force math 1900	0 / 0	6
	2269	P1488J Flower Shop special problem data structures fft math 3100	0 / 0	10
	2268	P1490A Dense Array greedy math *800	0 / 0	3
	2267	P1490B Balanced Remainders brute force constructive algorithms math *1000	0 / 0	3
	2266	P1490C Sum of Cubes binary search brute force brute force math *1100	0 / 0	3
	2263	P1490F Equalize the Array binary search data structures greedy math sortings *1500	0 / 0	5
	2262	P1490G Old Floppy Drive binary search data structures math *1900	0 / 0	6
	2260	P1491B Minimal Cost brute force math *1200	0 / 0	4
	2258	P1491D Zookeeper and The Infinite Zoo bitmasks constructive algorithms dp greedy math *1800	0 / 0	6
	2255	P1491G Switch and Flip constructive algorithms graphs math *2800	0 / 0	10
	2252	P1492A Three swimmers math *800	0 / 0	3
	2251	P1492B Card Deck data structures greedy math *1100	0 / 0	3
	2249	P1492D Genius's Gambit bitmasks constructive algorithms greedy math *1900	0 / 0	6
	2244	P1493D GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers *2100	0 / 0	7
	2243	P1493E Enormous XOR bitmasks constructive algorithms greedy math strings two pointers *2600	0 / 0	10

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