constructive algorithms - 题库

ID	题目显示标签隐藏标签	AC / 尝试	难度
2826	P1368C Even Picture constructive algorithms *1500	0 / 0	5
2824	P1368E Ski Accidents constructive algorithms graphs greedy *2500	0 / 0	9
2812	P1370B GCD Compression constructive algorithms math number theory *1100	0 / 0	3
2809	P1370E Binary Subsequence Rotation binary search constructive algorithms data structures greedy *2100	0 / 0	7
2803	P1371D Grid-00100 constructive algorithms greedy implementation *1600	0 / 0	5
2799	P1372A Omkar and Completion constructive algorithms implementation *800	0 / 0	3
2797	P1372C Omkar and Baseball constructive algorithms math *1500	0 / 0	5
2789	P1373E Sum of Digits brute force constructive algorithms dp greedy *2200	0 / 0	8
2788	P1373F Network Coverage binary search constructive algorithms data structures greedy *2400	0 / 0	9
2780	P1374F Cyclic Shifts Sorting brute force constructive algorithms implementation sortings *2400	0 / 0	9
2779	P1375A Sign Flipping constructive algorithms math *1100	0 / 0	3
2778	P1375B Neighbor Grid constructive algorithms greedy *1200	0 / 0	4
2777	P1375C Element Extermination constructive algorithms data structures greedy *1400	0 / 0	4
2776	P1375D Replace by MEX brute force constructive algorithms sortings *1900	0 / 0	6
2775	P1375E Inversion SwapSort constructive algorithms greedy sortings *2500	0 / 0	9
2774	P1375F Integer Game constructive algorithms games interactive math *2600	0 / 0	10
2773	P1375G Tree Modification brute force constructive algorithms dfs and similar graph matchings graphs trees *2800	0 / 0	10
2772	P1375H Set Merging constructive algorithms divide and conquer *3300	0 / 0	10
2766	P1379E Inverse Genealogy constructive algorithms divide and conquer dp math trees *2800	0 / 0	10
2760	P1380D Berserk And Fireball constructive algorithms greedy implementation math two pointers *2000	0 / 0	7
2756	P1381A1 Prefix Flip (Easy Version) constructive algorithms data structures strings *1300	0 / 0	4
2755	P1381A2 Prefix Flip (Hard Version) constructive algorithms data structures implementation strings two pointers *1700	0 / 0	5
2753	P1381C Mastermind constructive algorithms graph matchings greedy implementation sortings two pointers *2500	0 / 0	9
2747	P1383B GameGame bitmasks constructive algorithms dp games greedy math *1900	0 / 0	6
2745	P1383D Rearrange brute force constructive algorithms graphs greedy sortings *2800	0 / 0	10
2742	P1384A Common Prefixes constructive algorithms greedy strings *1200	0 / 0	4
2740	P1384B2 Koa and the Beach (Hard Version) constructive algorithms dp greedy implementation *2200	0 / 0	8
2735	P1385E Directing Edges constructive algorithms dfs and similar graphs *2000	0 / 0	7
2732	P1386A Colors special problem binary search constructive algorithms interactive 2700	0 / 0	10
2720	P1389A LCM Problem constructive algorithms greedy math number theory *800	0 / 0	3
2713	P1391A Suborrays constructive algorithms math *800	0 / 0	3
2710	P1391D 505 bitmasks brute force constructive algorithms dp greedy implementation *2000	0 / 0	7
2709	P1391E Pairs of Pairs constructive algorithms dfs and similar graphs greedy trees *2600	0 / 0	10
2704	P1392E Omkar and Duck bitmasks constructive algorithms interactive math *2100	0 / 0	7
2703	P1392F Omkar and Landslide binary search constructive algorithms data structures greedy math *2400	0 / 0	9
2698	P1393B Applejack and Storages constructive algorithms data structures greedy implementation *1400	0 / 0	4
2697	P1393C Pinkie Pie Eats Patty-cakes constructive algorithms greedy math sortings *1700	0 / 0	5
2687	P1395B Boboniu Plays Chess constructive algorithms *1100	0 / 0	3
2685	P1396A Multiples of Length constructive algorithms greedy number theory *1600	0 / 0	5
2684	P1396B Stoned Game brute force constructive algorithms games greedy *1800	0 / 0	6
2681	P1396E Distance Matching constructive algorithms dfs and similar trees *3200	0 / 0	10
2668	P1399D Binary String To Subsequences constructive algorithms data structures greedy implementation *1500	0 / 0	5
2664	P1400A String Similarity constructive algorithms strings *800	0 / 0	3
2662	P1400C Binary String Reconstruction 2-sat brute force constructive algorithms greedy *1500	0 / 0	5
2657	P1401A Distance and Axis constructive algorithms math *900	0 / 0	3
2656	P1401B Ternary Sequence constructive algorithms greedy math *1100	0 / 0	3
2655	P1401C Mere Array constructive algorithms math number theory sortings *1300	0 / 0	4
2643	P1404C Fixed Point Removal binary search constructive algorithms data structures greedy two pointers *2300	0 / 0	8
2642	P1404D Game of Pairs constructive algorithms dfs and similar interactive math number theory *2800	0 / 0	10
2640	P1405A Permutation Forgery constructive algorithms *800	0 / 0	3
2639	P1405B Array Cancellation constructive algorithms implementation *1000	0 / 0	3
2636	P1406C Link Cut Centroids constructive algorithms dfs and similar graphs trees *1700	0 / 0	5
2635	P1406D Three Sequences constructive algorithms data structures greedy math *2200	0 / 0	8
2633	P1407A Ahahahahahahahaha constructive algorithms math *1100	0 / 0	3
2631	P1407C Chocolate Bunny constructive algorithms interactive math two pointers *1600	0 / 0	5
2629	P1407E Egor in the Republic of Dagestan constructive algorithms dfs and similar dp graphs greedy shortest paths *2500	0 / 0	9
2628	P1408A Circle Coloring constructive algorithms *800	0 / 0	3
2627	P1408B Arrays Sum constructive algorithms greedy math *1400	0 / 0	4
2623	P1408F Two Different constructive algorithms divide and conquer *2300	0 / 0	8
2606	P1413A Finding Sasuke constructive algorithms math *800	0 / 0	3
2597	P1415D XOR-gun bitmasks brute force constructive algorithms *2000	0 / 0	7
2596	P1415E New Game Plus! constructive algorithms greedy math *2200	0 / 0	8
2593	P1416B Make Them Equal constructive algorithms greedy math *2000	0 / 0	7
2578	P1419B Stairs brute force constructive algorithms greedy implementation math *1200	0 / 0	4
2576	P1419D1 Sage's Birthday (easy version) binary search constructive algorithms greedy sortings *1000	0 / 0	3
2575	P1419D2 Sage's Birthday (hard version) binary search brute force constructive algorithms greedy sortings two pointers *1500	0 / 0	5
2574	P1419E Decryption constructive algorithms implementation math number theory *2100	0 / 0	7
2570	P1420C1 Pokémon Army (easy version) constructive algorithms dp greedy *1300	0 / 0	4
2565	P1421B Putting Bricks in the Wall constructive algorithms implementation *1100	0 / 0	3
2564	P1421C Palindromifier constructive algorithms strings *1400	0 / 0	4
2563	P1421D Hexagons brute force constructive algorithms greedy implementation math shortest paths *1900	0 / 0	6
2546	P1423J Bubble Cup hypothesis bitmasks constructive algorithms dp math *2400	0 / 0	9
2533	P1425H Huge Boxes of Animal Toys constructive algorithms *1300	0 / 0	4
2529	P1426C Increase and Copy binary search constructive algorithms math *1100	0 / 0	3
2528	P1426D Non-zero Segments constructive algorithms data structures greedy sortings *1500	0 / 0	5
2527	P1426E Rock, Paper, Scissors brute force constructive algorithms flows greedy math *1800	0 / 0	6
2522	P1427D Unshuffling a Deck constructive algorithms implementation *2000	0 / 0	7
2521	P1427E Xum bitmasks constructive algorithms math matrices number theory *2500	0 / 0	9
2514	P1428D Bouncing Boomerangs constructive algorithms greedy implementation *1900	0 / 0	6
2508	P1430A Number of Apartments brute force constructive algorithms math *900	0 / 0	3
2506	P1430C Numbers on Whiteboard constructive algorithms data structures greedy implementation math *1000	0 / 0	3
2489	P1433C Dominant Piranha constructive algorithms greedy *900	0 / 0	3
2488	P1433D Districts Connection constructive algorithms dfs and similar *1200	0 / 0	4
2482	P1436B Prime Square constructive algorithms math *900	0 / 0	3
2477	P1437A Marketing Scheme brute force constructive algorithms greedy math *800	0 / 0	3
2476	P1437B Reverse Binary Strings constructive algorithms greedy *1200	0 / 0	4
2473	P1437E Make It Increasing binary search constructive algorithms data structures dp implementation *2200	0 / 0	8
2470	P1438A Specific Tastes of Andre constructive algorithms implementation *800	0 / 0	3
2469	P1438B Valerii Against Everyone constructive algorithms data structures greedy sortings *1000	0 / 0	3
2468	P1438C Engineer Artem 2-sat chinese remainder theorem constructive algorithms fft flows *2000	0 / 0	7
2467	P1438D Powerful Ksenia bitmasks constructive algorithms math *2200	0 / 0	8
2466	P1438E Yurii Can Do Everything binary search bitmasks brute force constructive algorithms divide and conquer two pointers *2500	0 / 0	9
2464	P1439A1 Binary Table (Easy Version) constructive algorithms implementation *1500	0 / 0	5
2463	P1439A2 Binary Table (Hard Version) constructive algorithms graphs greedy implementation *1900	0 / 0	6
2462	P1439B Graph Subset Problem constructive algorithms data structures graphs *2600	0 / 0	10
2456	P1442A Extreme Subtraction constructive algorithms dp greedy *1800	0 / 0	6
2452	P1442E Black, White and Grey Tree binary search constructive algorithms dfs and similar dp greedy trees *3000	0 / 0	10
2450	P1443A Kids Seating constructive algorithms math *800	0 / 0	3
2443	P1444D Rectangular Polyline constructive algorithms dp geometry *2900	0 / 0	10
2439	P1446A Knapsack constructive algorithms greedy sortings *1300	0 / 0	4

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