implementation - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	2852	P1430C Numbers on Whiteboard constructive algorithms data structures greedy implementation math *1000	0 / 0	3
	2846	P1431B Polycarp and the Language of Gods special problem implementation two pointers 1400	0 / 0	4
	2845	P1431C Black Friday special problem implementation 1600	0 / 0	5
	2837	P1433A Boring Apartments implementation math *800	0 / 0	3
	2836	P1433B Yet Another Bookshelf greedy implementation *800	0 / 0	3
	2819	P1437E Make It Increasing binary search constructive algorithms data structures dp implementation *2200	0 / 0	8
	2816	P1438A Specific Tastes of Andre constructive algorithms implementation *800	0 / 0	3
	2810	P1439A1 Binary Table (Easy Version) constructive algorithms implementation *1500	0 / 0	5
	2809	P1439A2 Binary Table (Hard Version) constructive algorithms graphs greedy implementation *1900	0 / 0	6
	2807	P1439C Greedy Shopping binary search data structures divide and conquer greedy implementation *2600	0 / 0	10
	2804	P1440A Buy the String implementation math *800	0 / 0	3
	2801	P1442B Identify the Operations combinatorics data structures dsu greedy implementation *1800	0 / 0	6
	2772	P1450D Rating Compression binary search data structures greedy implementation two pointers *1800	0 / 0	6
	2767	P1450H2 Multithreading (Hard Version) combinatorics implementation math *3300	0 / 0	10
	2765	P1451B Non-Substring Subsequence dp greedy implementation strings *900	0 / 0	3
	2764	P1451C String Equality dp greedy hashing implementation strings *1400	0 / 0	4
	2752	P1453A Cancel the Trains implementation *800	0 / 0	3
	2751	P1453B Suffix Operations constructive algorithms implementation *1400	0 / 0	4
	2750	P1453C Triangles greedy implementation *1700	0 / 0	5
	2745	P1454B Unique Bid Auction implementation *800	0 / 0	3
	2744	P1454C Sequence Transformation greedy implementation *1200	0 / 0	4
	2736	P1455E Four Points brute force constructive algorithms flows geometry greedy implementation math ternary search *2400	0 / 0	9
	2721	P1461B Find the Spruce brute force dp implementation *1400	0 / 0	4
	2717	P1461D Divide and Summarize binary search brute force data structures divide and conquer implementation sortings *1600	0 / 0	5
	2715	P1461E Water Level brute force graphs greedy implementation math *2200	0 / 0	8
	2710	P1462A Favorite Sequence implementation two pointers *800	0 / 0	3
	2709	P1462B Last Year's Substring dp implementation strings *800	0 / 0	3
	2704	P1462E2 Close Tuples (hard version) binary search combinatorics implementation math sortings two pointers *1700	0 / 0	5
	2696	P1463C Busy Robot implementation *1800	0 / 0	6
	2692	P1463E Plan of Lectures constructive algorithms dfs and similar dsu graphs implementation sortings trees *2400	0 / 0	9
	2670	P1467B Hills And Valleys brute force implementation *1700	0 / 0	5
	2662	P1468C Berpizza data structures implementation *1400	0 / 0	4
	2650	P1468I Plane Tiling geometry implementation math *2500	0 / 0	9
	2646	P1468K The Robot brute force implementation *1600	0 / 0	5
	2642	P1468M Similar Sets data structures graphs implementation *2300	0 / 0	8
	2640	P1468N Waste Sorting greedy implementation *900	0 / 0	3
	2635	P1469C Building a Fence dp greedy implementation two pointers *1600	0 / 0	5
	2619	P1470E Strange Permutation binary search combinatorics data structures dp graphs implementation two pointers *3200	0 / 0	10
	2612	P1471B Strange List brute force greedy implementation math *1100	0 / 0	3
	2601	P1473A Replacing Elements greedy implementation math sortings *800	0 / 0	3
	2598	P1473D Program data structures dp implementation strings *1700	0 / 0	5
	2591	P1474C Array Destruction brute force constructive algorithms data structures greedy implementation sortings *1700	0 / 0	5
	2569	P1476D Journey dfs and similar dp dsu implementation *1700	0 / 0	5
	2546	P1478C Nezzar and Symmetric Array implementation math sortings *1700	0 / 0	5
	2541	P1479B1 Painting the Array I constructive algorithms data structures dp greedy implementation *1900	0 / 0	6
	2539	P1479B2 Painting the Array II constructive algorithms data structures dp greedy implementation *2100	0 / 0	7
	2529	P1480B The Great Hero greedy implementation sortings *900	0 / 0	3
	2526	P1481B New Colony brute force greedy implementation *1100	0 / 0	3
	2523	P1481D AB Graph brute force constructive algorithms graphs greedy implementation *2000	0 / 0	7
	2519	P1482B Restore Modulo implementation math *1500	0 / 0	5
	2518	P1482C Basic Diplomacy brute force constructive algorithms greedy implementation *1600	0 / 0	5
	2517	P1482D Playlist data structures dsu implementation shortest paths *1900	0 / 0	6
	2509	P1485B Replace and Keep Sorted dp implementation math *1200	0 / 0	4
	2502	P1486A Shifting Stacks greedy implementation *900	0 / 0	3
	2495	P1487A Arena implementation sortings *800	0 / 0	3
	2493	P1487C Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math *1500	0 / 0	5
	2491	P1487E Cheap Dinner brute force data structures graphs greedy implementation sortings two pointers *2000	0 / 0	7
	2466	P1490D Permutation Transformation dfs and similar divide and conquer implementation *1200	0 / 0	4
	2458	P1491A K-th Largest Value brute force greedy implementation *800	0 / 0	3
	2455	P1491C Pekora and Trampoline brute force data structures dp greedy implementation *1700	0 / 0	5
	2436	P1492E Almost Fault-Tolerant Database brute force constructive algorithms dfs and similar greedy implementation *2500	0 / 0	9
	2434	P1493B Planet Lapituletti brute force implementation *1300	0 / 0	4
	2432	P1493D GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers *2100	1 / 2	7
	2429	P1494A ABC String bitmasks brute force implementation *900	0 / 0	3
	2427	P1494B Berland Crossword bitmasks brute force greedy implementation *1400	0 / 0	4
	2424	P1494C 1D Sokoban binary search dp greedy implementation two pointers *1900	0 / 0	6
	2418	P1494F Delete The Edges brute force constructive algorithms dfs and similar graphs implementation *2900	0 / 0	10
	2411	P1495E Qingshan and Daniel brute force data structures greedy implementation *3200	0 / 0	10
	2386	P1498D Bananas in a Microwave dfs and similar dp graphs implementation *2200	0 / 0	8
	2382	P1499B Binary Removals brute force dp greedy implementation *1000	0 / 0	3
	2372	P1500A Going Home brute force hashing implementation math *1800	0 / 0	6
	2361	P1501A Alexey and Train implementation *800	0 / 0	3
	2360	P1501B Napoleon Cake dp implementation sortings *900	0 / 0	3
	2351	P1503F Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation *3500	0 / 0	10
	2349	P1504B Flip the Bits constructive algorithms greedy implementation math *1200	0 / 0	4
	2348	P1505A Is it rated - 2 special problem implementation interactive 900	0 / 0	3
	2347	P1505B DMCA special problem implementation number theory 1600	0 / 0	5
	2346	P1505C Fibonacci Words special problem implementation 1400	0 / 0	4
	2344	P1505E Cakewalk special problem greedy implementation shortest paths 1800	0 / 0	6
	2342	P1505G Encoded message special problem implementation 2600	0 / 0	10
	2338	P1506B Partial Replacement greedy implementation *1100	0 / 0	3
	2336	P1506C Double-ended Strings brute force implementation strings *1000	0 / 0	3
	2332	P1506E Restoring the Permutation constructive algorithms implementation *1500	0 / 0	5
	2327	P1508A Binary Literature constructive algorithms greedy implementation strings two pointers *1900	0 / 0	6
	2325	P1508B Almost Sorted binary search combinatorics constructive algorithms implementation *1800	0 / 0	6
	2297	P1510K King's Task brute force graphs implementation *1200	0 / 0	4
	2294	P1511C Yet Another Card Deck brute force data structures implementation trees *1100	0 / 0	3
	2288	P1512A Spy Detected! brute force implementation *800	0 / 0	3
	2287	P1512B Almost Rectangle implementation *800	0 / 0	3
	2285	P1512C A-B Palindrome constructive algorithms implementation strings *1200	0 / 0	4
	2280	P1512F Education brute force dp greedy implementation *1900	0 / 0	6
	2275	P1513A Array and Peaks constructive algorithms implementation *800	0 / 0	3
	2265	P1514D Cut and Stick binary search data structures greedy implementation sortings *2000	0 / 0	7
	2236	P1517C Fillomino 2 constructive algorithms dfs and similar greedy implementation *1400	0 / 0	4
	2232	P1517E Group Photo binary search data structures implementation two pointers *2500	0 / 0	9
	2225	P1519D Maximum Sum of Products brute force dp implementation math two pointers *1600	0 / 0	5
	2222	P1520A Do Not Be Distracted! brute force implementation *800	0 / 0	3
	2213	P1520G To Go Or Not To Go? brute force dfs and similar graphs greedy implementation shortest paths *2200	0 / 0	8
	2209	P1521D Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp dsu greedy implementation trees *2500	0 / 0	9
	2207	P1523A Game of Life implementation *800	0 / 0	3

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