implementation - Problem Set

ID	Problem Show tags Hide tags	AC / Tried	Difficulty
2740	CF1503F Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation *3500	0 / 0	(None)
2738	CF1504B Flip the Bits constructive algorithms greedy implementation math *1200	0 / 0	(None)
2737	CF1505A Is it rated - 2 special problem implementation interactive 900	0 / 0	(None)
2736	CF1505B DMCA special problem implementation number theory 1600	0 / 0	(None)
2734	CF1505C Fibonacci Words special problem implementation 1400	0 / 0	(None)
2732	CF1505E Cakewalk special problem greedy implementation shortest paths 1800	0 / 0	(None)
2730	CF1505G Encoded message special problem implementation 2600	0 / 0	(None)
2726	CF1506B Partial Replacement greedy implementation *1100	0 / 0	(None)
2725	CF1506C Double-ended Strings brute force implementation strings *1000	0 / 0	(None)
2722	CF1506E Restoring the Permutation constructive algorithms implementation *1500	0 / 0	(None)
2719	CF1508A Binary Literature constructive algorithms greedy implementation strings two pointers *1900	0 / 0	(None)
2718	CF1508B Almost Sorted binary search combinatorics constructive algorithms implementation *1800	0 / 0	(None)
2698	CF1510K King's Task brute force graphs implementation *1200	0 / 0	(None)
2695	CF1511C Yet Another Card Deck brute force data structures implementation trees *1100	0 / 0	(None)
2689	CF1512A Spy Detected! brute force implementation *800	0 / 0	(None)
2688	CF1512B Almost Rectangle implementation *800	0 / 0	(None)
2687	CF1512C A-B Palindrome constructive algorithms implementation strings *1200	0 / 0	(None)
2684	CF1512F Education brute force dp greedy implementation *1900	0 / 0	(None)
2682	CF1513A Array and Peaks constructive algorithms implementation *800	0 / 0	(None)
2672	CF1514D Cut and Stick binary search data structures greedy implementation sortings *2000	0 / 0	(None)
2652	CF1517C Fillomino 2 constructive algorithms dfs and similar greedy implementation *1400	0 / 0	(None)
2650	CF1517E Group Photo binary search data structures implementation two pointers *2500	0 / 0	(None)
2642	CF1519D Maximum Sum of Products brute force dp implementation math two pointers *1600	0 / 0	(None)
2639	CF1520A Do Not Be Distracted! brute force implementation *800	0 / 0	(None)
2630	CF1520G To Go Or Not To Go? brute force dfs and similar graphs greedy implementation shortest paths *2200	0 / 0	(None)
2626	CF1521D Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp dsu greedy implementation trees *2500	0 / 0	(None)
2623	CF1523A Game of Life implementation *800	0 / 0	(None)
2621	CF1523C Compression and Expansion brute force data structures greedy implementation trees *1600	0 / 0	(None)
2612	CF1525C Robot Collisions data structures greedy implementation sortings *2000	0 / 0	(None)
2597	CF1527C Sequence Pair Weight hashing implementation math *1600	0 / 0	(None)
2596	CF1527D MEX Tree combinatorics dfs and similar implementation math trees *2400	0 / 0	(None)
2584	CF1530B Putting Plates constructive algorithms implementation *800	0 / 0	(None)
2574	CF1532C Uniform String *special problem implementation	0 / 0	(None)
2570	CF1533A Travel to Bertown *special problem implementation math	0 / 0	(None)
2568	CF1533B Nearest Point Function *special problem implementation	0 / 0	(None)
2567	CF1533C Sweets *special problem data structures implementation	0 / 0	(None)
2559	CF1534A Colour the Flag brute force implementation *800	0 / 0	(None)
2557	CF1534B Histogram Ugliness greedy implementation math *1100	0 / 0	(None)
2549	CF1535A Fair Playoff brute force implementation *800	0 / 0	(None)
2546	CF1535C Unstable String binary search dp greedy implementation strings two pointers *1400	0 / 0	(None)
2545	CF1535D Playoff Tournament data structures dfs and similar dp implementation trees *1800	0 / 0	(None)
2543	CF1535F String Distance binary search brute force data structures hashing implementation strings *3000	0 / 0	(None)
2539	CF1536D Omkar and Medians data structures greedy implementation *2000	0 / 0	(None)
2533	CF1537C Challenging Cliffs constructive algorithms greedy implementation math *1200	0 / 0	(None)
2531	CF1537E1 Erase and Extend (Easy Version) binary search brute force dp greedy hashing implementation string suffix structures strings two pointers *1600	0 / 0	(None)
2521	CF1538E Funny Substrings data structures hashing implementation matrices strings *2100	0 / 0	(None)
2517	CF1539B Love Song dp implementation strings *800	0 / 0	(None)
2515	CF1539D PriceFixed binary search greedy implementation sortings two pointers *1600	0 / 0	(None)
2514	CF1539E Game with Cards binary search constructive algorithms data structures dp greedy implementation *2500	0 / 0	(None)
2505	CF1541A Pretty Permutations constructive algorithms greedy implementation *800	0 / 0	(None)
2504	CF1541B Pleasant Pairs brute force implementation math number theory *1200	0 / 0	(None)
2499	CF1542D Priority Queue combinatorics dp implementation math ternary search *2200	0 / 0	(None)
2494	CF1543C Need for Pink Slips bitmasks brute force dfs and similar implementation math probabilities *1900	0 / 0	(None)
2480	CF1547A Shortest Path with Obstacle implementation math *800	0 / 0	(None)
2478	CF1547B Alphabetical Strings greedy implementation strings *800	0 / 0	(None)
2475	CF1547E Air Conditioners data structures dp implementation shortest paths sortings two pointers *1500	0 / 0	(None)
2464	CF1549B Gregor and the Pawn Game dfs and similar dp flows graph matchings graphs greedy implementation *800	0 / 0	(None)
2461	CF1550C Manhattan Subarrays brute force geometry greedy implementation *1700	0 / 0	(None)
2460	CF1550D Excellent Arrays binary search combinatorics constructive algorithms implementation math sortings two pointers *2300	0 / 0	(None)
2451	CF1551D2 Domino (hard version) constructive algorithms implementation math *2100	0 / 0	(None)
2437	CF1553B Reverse String brute force dp hashing implementation strings *1300	0 / 0	(None)
2426	CF1554C Mikasa binary search bitmasks greedy implementation *1800	0 / 0	(None)
2420	CF1555C Coin Rows brute force constructive algorithms dp implementation *1300	0 / 0	(None)
2415	CF1556B Take Your Places! implementation *1300	0 / 0	(None)
2414	CF1556C Compressed Bracket Sequence brute force implementation *1800	0 / 0	(None)
2387	CF1560A Dislike of Threes implementation *800	0 / 0	(None)
2385	CF1560C Infinity Table implementation math *800	0 / 0	(None)
2383	CF1560E Polycarp and String Transformation binary search implementation sortings strings *1800	0 / 0	(None)
2380	CF1561A Simply Strange Sort brute force implementation sortings *800	0 / 0	(None)
2375	CF1562B Scenes From a Memory brute force constructive algorithms implementation math number theory *1000	0 / 0	(None)
2364	CF1566D2 Seating Arrangements (hard version) data structures greedy implementation sortings two pointers *1600	0 / 0	(None)
2362	CF1566F Points Movement data structures dp greedy implementation sortings *2600	0 / 0	(None)
2361	CF1566G Four Vertices constructive algorithms data structures graphs greedy implementation shortest paths *3100	0 / 0	(None)
2359	CF1567A Domino Disaster implementation strings *800	0 / 0	(None)
2355	CF1567D Expression Evaluation Error constructive algorithms greedy implementation math *2000	0 / 0	(None)
2353	CF1567F One-Four Overload 2-sat constructive algorithms dfs and similar dsu graphs implementation *2700	0 / 0	(None)
2352	CF1569A Balanced Substring implementation *800	0 / 0	(None)
2349	CF1569D Inconvenient Pairs binary search data structures implementation sortings two pointers *1900	0 / 0	(None)
2348	CF1569E Playoff Restoration bitmasks brute force hashing implementation meet-in-the-middle *2600	0 / 0	(None)
2343	CF1571C Rhyme special problem implementation 1800	0 / 0	(None)
2342	CF1571D Sweepstake special problem brute force constructive algorithms implementation math 1800	0 / 0	(None)
2334	CF1572A Book binary search brute force data structures dp graphs implementation sortings *1800	0 / 0	(None)
2322	CF1574D The Strongest Build binary search brute force data structures dfs and similar graphs greedy hashing implementation *2000	0 / 0	(None)
2321	CF1574E Coloring combinatorics constructive algorithms implementation math *2500	0 / 0	(None)
2309	CF1575J Jeopardy of Dropped Balls binary search brute force dsu implementation *1500	0 / 0	(None)
2308	CF1575K Knitting Batik implementation math *2200	0 / 0	(None)
2298	CF1578E Easy Scheduling implementation math *1200	0 / 0	(None)
2295	CF1578H Higher Order Functions implementation strings *1700	0 / 0	(None)
2292	CF1578K Kingdom of Islands brute force graphs implementation *2800	0 / 0	(None)
2287	CF1579B Shifting Sort implementation sortings *1100	0 / 0	(None)
2286	CF1579C Ticks greedy implementation *1500	0 / 0	(None)
2280	CF1580A Portal brute force data structures dp greedy implementation *1700	0 / 0	(None)
2277	CF1580C Train Maintenance brute force data structures implementation *2200	0 / 0	(None)
2245	CF1585A Life of a Flower implementation *800	0 / 0	(None)
2232	CF1592D Hemose in ICPC ? binary search dfs and similar implementation interactive math number theory trees *2300	0 / 0	(None)
2222	CF1593E Gardener and Tree brute force data structures dfs and similar greedy implementation trees *1600	0 / 0	(None)
2221	CF1593F Red-Black Number dfs and similar dp implementation math meet-in-the-middle *2100	0 / 0	(None)
2214	CF1594E2 Rubik's Cube Coloring (hard version) brute force dp implementation math trees *2300	0 / 0	(None)
2211	CF1598A Computer Game brute force dfs and similar dp implementation *800	0 / 0	(None)
2210	CF1598B Groups brute force implementation *1000	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