constructive algorithms - Problem Set

ID	Problem Show tags Hide tags	AC / Tried	Difficulty
3239	CF1415E New Game Plus! constructive algorithms greedy math *2200	0 / 0	(None)
3236	CF1416B Make Them Equal constructive algorithms greedy math *2000	0 / 0	(None)
3219	CF1419B Stairs brute force constructive algorithms greedy implementation math *1200	0 / 0	(None)
3217	CF1419D1 Sage's Birthday (easy version) binary search constructive algorithms greedy sortings *1000	0 / 0	(None)
3216	CF1419D2 Sage's Birthday (hard version) binary search brute force constructive algorithms greedy sortings two pointers *1500	0 / 0	(None)
3215	CF1419E Decryption constructive algorithms implementation math number theory *2100	0 / 0	(None)
3210	CF1420C1 Pokémon Army (easy version) constructive algorithms dp greedy *1300	0 / 0	(None)
3205	CF1421B Putting Bricks in the Wall constructive algorithms implementation *1100	0 / 0	(None)
3204	CF1421C Palindromifier constructive algorithms strings *1400	0 / 0	(None)
3203	CF1421D Hexagons brute force constructive algorithms greedy implementation math shortest paths *1900	0 / 0	(None)
3183	CF1423J Bubble Cup hypothesis bitmasks constructive algorithms dp math *2400	0 / 0	(None)
3169	CF1425H Huge Boxes of Animal Toys constructive algorithms *1300	0 / 0	(None)
3164	CF1426C Increase and Copy binary search constructive algorithms math *1100	0 / 0	(None)
3163	CF1426D Non-zero Segments constructive algorithms data structures greedy sortings *1500	0 / 0	(None)
3162	CF1426E Rock, Paper, Scissors brute force constructive algorithms flows greedy math *1800	0 / 0	(None)
3156	CF1427D Unshuffling a Deck constructive algorithms implementation *2000	0 / 0	(None)
3155	CF1427E Xum bitmasks constructive algorithms math matrices number theory *2500	0 / 0	(None)
3148	CF1428D Bouncing Boomerangs constructive algorithms greedy implementation *1900	0 / 0	(None)
3141	CF1430A Number of Apartments brute force constructive algorithms math *900	0 / 0	(None)
3139	CF1430C Numbers on Whiteboard constructive algorithms data structures greedy implementation math *1000	0 / 0	(None)
3120	CF1433C Dominant Piranha constructive algorithms greedy *900	0 / 0	(None)
3119	CF1433D Districts Connection constructive algorithms dfs and similar *1200	0 / 0	(None)
3112	CF1436B Prime Square constructive algorithms math *900	0 / 0	(None)
3107	CF1437A Marketing Scheme brute force constructive algorithms greedy math *800	0 / 0	(None)
3106	CF1437B Reverse Binary Strings constructive algorithms greedy *1200	0 / 0	(None)
3103	CF1437E Make It Increasing binary search constructive algorithms data structures dp implementation *2200	0 / 0	(None)
3099	CF1438A Specific Tastes of Andre constructive algorithms implementation *800	0 / 0	(None)
3098	CF1438B Valerii Against Everyone constructive algorithms data structures greedy sortings *1000	0 / 0	(None)
3097	CF1438C Engineer Artem 2-sat chinese remainder theorem constructive algorithms fft flows *2000	0 / 0	(None)
3096	CF1438D Powerful Ksenia bitmasks constructive algorithms math *2200	0 / 0	(None)
3095	CF1438E Yurii Can Do Everything binary search bitmasks brute force constructive algorithms divide and conquer two pointers *2500	0 / 0	(None)
3093	CF1439A1 Binary Table (Easy Version) constructive algorithms implementation *1500	0 / 0	(None)
3092	CF1439A2 Binary Table (Hard Version) constructive algorithms graphs greedy implementation *1900	0 / 0	(None)
3090	CF1439B Graph Subset Problem constructive algorithms data structures graphs *2600	0 / 0	(None)
3084	CF1442A Extreme Subtraction constructive algorithms dp greedy *1800	0 / 0	(None)
3078	CF1442E Black, White and Grey Tree binary search constructive algorithms dfs and similar dp greedy trees *3000	0 / 0	(None)
3076	CF1443A Kids Seating constructive algorithms math *800	0 / 0	(None)
3069	CF1444D Rectangular Polyline constructive algorithms dp geometry *2900	0 / 0	(None)
3064	CF1446A Knapsack constructive algorithms greedy sortings *1300	0 / 0	(None)
3059	CF1446E Long Recovery constructive algorithms dfs and similar *3500	0 / 0	(None)
3056	CF1447A Add Candies constructive algorithms math *800	0 / 0	(None)
3054	CF1450A Avoid Trygub constructive algorithms sortings *800	0 / 0	(None)
3052	CF1450C1 Errich-Tac-Toe (Easy Version) constructive algorithms math *2100	0 / 0	(None)
3051	CF1450C2 Errich-Tac-Toe (Hard Version) constructive algorithms math *2300	0 / 0	(None)
3049	CF1450E Capitalism constructive algorithms dfs and similar graphs shortest paths *2700	0 / 0	(None)
3048	CF1450F The Struggling Contestant constructive algorithms greedy *2400	0 / 0	(None)
3039	CF1451E1 Bitwise Queries (Easy Version) bitmasks constructive algorithms interactive math *2000	0 / 0	(None)
3038	CF1451E2 Bitwise Queries (Hard Version) bitmasks constructive algorithms interactive math *2300	0 / 0	(None)
3037	CF1451F Nullify The Matrix constructive algorithms games *2700	0 / 0	(None)
3030	CF1452F Divide Powers constructive algorithms greedy *2900	0 / 0	(None)
3027	CF1453B Suffix Operations constructive algorithms implementation *1400	0 / 0	(None)
3025	CF1453D Checkpoints brute force constructive algorithms greedy math probabilities *1900	0 / 0	(None)
3021	CF1454A Special Permutation constructive algorithms probabilities *800	0 / 0	(None)
3018	CF1454D Number into Sequence constructive algorithms math number theory *1300	0 / 0	(None)
3014	CF1455B Jumps constructive algorithms math *1200	0 / 0	(None)
3012	CF1455C Ping-pong constructive algorithms games math *1100	0 / 0	(None)
3010	CF1455E Four Points brute force constructive algorithms flows geometry greedy implementation math ternary search *2400	0 / 0	(None)
2997	CF1461A String Generation constructive algorithms greedy *800	0 / 0	(None)
2992	CF1461F Mathematical Expression constructive algorithms dp greedy *2700	0 / 0	(None)
2982	CF1463B Find The Array bitmasks constructive algorithms greedy *1400	0 / 0	(None)
2979	CF1463D Pairs binary search constructive algorithms greedy two pointers *1900	0 / 0	(None)
2978	CF1463E Plan of Lectures constructive algorithms dfs and similar dsu graphs implementation sortings trees *2400	0 / 0	(None)
2964	CF1467A Wizard of Orz constructive algorithms greedy math *900	0 / 0	(None)
2962	CF1467C Three Bags constructive algorithms greedy *1900	0 / 0	(None)
2951	CF1468H K and Medians constructive algorithms greedy math *2200	0 / 0	(None)
2943	CF1469A Regular Bracket Sequence constructive algorithms greedy *1000	0 / 0	(None)
2940	CF1469D Ceil Divisions brute force constructive algorithms math number theory *1700	0 / 0	(None)
2934	CF1470C Strange Shuffle binary search brute force constructive algorithms interactive *2500	0 / 0	(None)
2933	CF1470D Strange Housing constructive algorithms dfs and similar graph matchings graphs greedy *2200	0 / 0	(None)
2918	CF1473C No More Inversions constructive algorithms math *1500	0 / 0	(None)
2911	CF1474B Different Divisors binary search constructive algorithms greedy math number theory *1000	0 / 0	(None)
2910	CF1474C Array Destruction brute force constructive algorithms data structures greedy implementation sortings *1700	0 / 0	(None)
2908	CF1474E What Is It? constructive algorithms greedy *2500	0 / 0	(None)
2900	CF1475F Unusual Matrix 2-sat brute force constructive algorithms *1900	0 / 0	(None)
2898	CF1476A K-divisible Sum binary search constructive algorithms greedy math *1000	0 / 0	(None)
2890	CF1477A Nezzar and Board constructive algorithms math number theory *1800	0 / 0	(None)
2888	CF1477C Nezzar and Nice Beatmap constructive algorithms geometry greedy math sortings *2200	0 / 0	(None)
2887	CF1477D Nezzar and Hidden Permutations constructive algorithms dfs and similar graphs *2800	0 / 0	(None)
2879	CF1479B1 Painting the Array I constructive algorithms data structures dp greedy implementation *1900	0 / 0	(None)
2878	CF1479B2 Painting the Array II constructive algorithms data structures dp greedy implementation *2100	0 / 0	(None)
2877	CF1479C Continuous City bitmasks constructive algorithms *2500	0 / 0	(None)
2870	CF1481C Fence Painting brute force constructive algorithms greedy *1600	0 / 0	(None)
2868	CF1481D AB Graph brute force constructive algorithms graphs greedy implementation *2000	0 / 0	(None)
2863	CF1482C Basic Diplomacy brute force constructive algorithms greedy implementation *1600	0 / 0	(None)
2852	CF1485D Multiples and Power Differences constructive algorithms graphs math number theory *2200	0 / 0	(None)
2843	CF1486E Paired Payment binary search brute force constructive algorithms dp flows graphs shortest paths *2200	0 / 0	(None)
2839	CF1487C Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math *1500	0 / 0	(None)
2821	CF1490B Balanced Remainders brute force constructive algorithms math *1000	0 / 0	(None)
2811	CF1491D Zookeeper and The Infinite Zoo bitmasks constructive algorithms dp greedy math *1800	0 / 0	(None)
2809	CF1491F Magnets binary search constructive algorithms interactive *2700	0 / 0	(None)
2808	CF1491G Switch and Flip constructive algorithms graphs math *2800	0 / 0	(None)
2801	CF1492D Genius's Gambit bitmasks constructive algorithms greedy math *1900	0 / 0	(None)
2800	CF1492E Almost Fault-Tolerant Database brute force constructive algorithms dfs and similar greedy implementation *2500	0 / 0	(None)
2799	CF1493A Anti-knapsack constructive algorithms greedy *800	0 / 0	(None)
2797	CF1493C K-beautiful Strings binary search brute force constructive algorithms greedy strings *2000	0 / 0	(None)
2795	CF1493E Enormous XOR bitmasks constructive algorithms greedy math strings two pointers *2600	0 / 0	(None)
2789	CF1494D Dogeforces constructive algorithms data structures dfs and similar divide and conquer dsu greedy sortings trees *2300	0 / 0	(None)
2788	CF1494E A-Z Graph constructive algorithms data structures graphs hashing *2400	0 / 0	(None)
2787	CF1494F Delete The Edges brute force constructive algorithms dfs and similar graphs implementation *2900	0 / 0	(None)
2784	CF1495C Garden of the Sun constructive algorithms graphs *2300	0 / 0	(None)

Lucky

Pick a problem randomly based on the current filter.

Categories

动态规划

搜索

计算几何

贪心

树结构

图结构

数论

模拟

数据结构

博弈论

字符串

组合数学

线性代数

高精度

递推

概率论

NPC

其他

Status

Development

Support

About

Categories

Status

Development

Support

About

Don't have an account?

SIGN IN