constructive algorithms - Problem Set

ID	Problem Show tags Hide tags	AC / Tried	Difficulty
2781	CF1495F Squares constructive algorithms data structures dp graphs trees *3300	0 / 0	(None)
2779	CF1496A Split it! brute force constructive algorithms greedy strings *900	0 / 0	(None)
2776	CF1497B M-arrays constructive algorithms greedy math *1200	0 / 0	(None)
2775	CF1497C1 k-LCM (easy version) constructive algorithms math *1200	0 / 0	(None)
2774	CF1497C2 k-LCM (hard version) constructive algorithms math *1600	0 / 0	(None)
2763	CF1499A Domino on Windowsill combinatorics constructive algorithms math *800	0 / 0	(None)
2753	CF1500C Matrix Sorting bitmasks brute force constructive algorithms greedy two pointers *2600	0 / 0	(None)
2745	CF1503A Balance the Bits constructive algorithms greedy *1600	0 / 0	(None)
2744	CF1503B 3-Coloring constructive algorithms games interactive *1700	0 / 0	(None)
2742	CF1503D Flip the Cards 2-sat constructive algorithms data structures greedy sortings two pointers *2600	0 / 0	(None)
2740	CF1503F Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation *3500	0 / 0	(None)
2739	CF1504A Déjà Vu constructive algorithms strings *800	0 / 0	(None)
2738	CF1504B Flip the Bits constructive algorithms greedy implementation math *1200	0 / 0	(None)
2723	CF1506D Epic Transformation constructive algorithms data structures greedy *1400	0 / 0	(None)
2722	CF1506E Restoring the Permutation constructive algorithms implementation *1500	0 / 0	(None)
2721	CF1506F Triangular Paths constructive algorithms graphs math shortest paths sortings *2000	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)
2716	CF1508D Swap Pass constructive algorithms geometry sortings *3000	0 / 0	(None)
2715	CF1508E Tree Calendar brute force constructive algorithms data structures dfs and similar sortings trees *3100	0 / 0	(None)
2712	CF1509A Average Height constructive algorithms *800	0 / 0	(None)
2699	CF1510J Japanese Game constructive algorithms math *2700	0 / 0	(None)
2696	CF1511B GCD Length constructive algorithms math number theory *1100	0 / 0	(None)
2694	CF1511D Min Cost String brute force constructive algorithms graphs greedy strings *1600	0 / 0	(None)
2687	CF1512C A-B Palindrome constructive algorithms implementation strings *1200	0 / 0	(None)
2686	CF1512D Corrupted Array constructive algorithms data structures greedy *1200	0 / 0	(None)
2682	CF1513A Array and Peaks constructive algorithms implementation *800	0 / 0	(None)
2681	CF1513B AND Sequences bitmasks combinatorics constructive algorithms math *1400	0 / 0	(None)
2678	CF1513D GCD and MST constructive algorithms dsu graphs greedy number theory sortings *2000	0 / 0	(None)
2677	CF1513E Cost Equilibrium combinatorics constructive algorithms math sortings *2300	0 / 0	(None)
2676	CF1513F Swapping Problem brute force constructive algorithms data structures sortings *2500	0 / 0	(None)
2670	CF1515A Phoenix and Gold constructive algorithms greedy math *800	0 / 0	(None)
2667	CF1515C Phoenix and Towers constructive algorithms data structures greedy *1400	0 / 0	(None)
2664	CF1515F Phoenix and Earthquake constructive algorithms dfs and similar dsu graphs greedy trees *2600	0 / 0	(None)
2657	CF1516C Baby Ehab Partitions Again bitmasks constructive algorithms dp math *1700	0 / 0	(None)
2653	CF1517B Morning Jogging constructive algorithms greedy sortings *1200	0 / 0	(None)
2652	CF1517C Fillomino 2 constructive algorithms dfs and similar greedy implementation *1400	0 / 0	(None)
2648	CF1517G Starry Night Camping constructive algorithms flows graphs *3300	0 / 0	(None)
2641	CF1519E Off by One constructive algorithms dfs and similar geometry graphs sortings trees *2700	0 / 0	(None)
2637	CF1520C Not Adjacent Matrix constructive algorithms *1000	0 / 0	(None)
2631	CF1520F2 Guess the K-th Zero (Hard version) binary search constructive algorithms data structures interactive *2200	0 / 0	(None)
2629	CF1521A Nastia and Nearly Good Numbers constructive algorithms math number theory *1000	0 / 0	(None)
2628	CF1521B Nastia and a Good Array constructive algorithms math number theory *1300	0 / 0	(None)
2627	CF1521C Nastia and a Hidden Permutation constructive algorithms interactive *2000	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)
2625	CF1521E Nastia and a Beautiful Matrix binary search constructive algorithms dp greedy *2700	0 / 0	(None)
2622	CF1523B Lord of the Values constructive algorithms *1100	0 / 0	(None)
2614	CF1525B Permutation Sort constructive algorithms greedy *900	0 / 0	(None)
2608	CF1526A Mean Inequality constructive algorithms sortings *800	0 / 0	(None)
2604	CF1526D Kill Anton brute force constructive algorithms data structures math strings *2200	0 / 0	(None)
2603	CF1526E Oolimry and Suffix Array combinatorics constructive algorithms math *2400	0 / 0	(None)
2601	CF1526F Median Queries constructive algorithms interactive probabilities *3000	0 / 0	(None)
2599	CF1527B1 Palindrome Game (easy version) constructive algorithms games *1200	0 / 0	(None)
2598	CF1527B2 Palindrome Game (hard version) constructive algorithms games *1900	0 / 0	(None)
2590	CF1528D It's a bird! No, it's a plane! No, it's AaParsa! constructive algorithms graphs shortest paths *2500	0 / 0	(None)
2587	CF1529A Eshag Loves Big Arrays constructive algorithms greedy math *800	0 / 0	(None)
2584	CF1530B Putting Plates constructive algorithms implementation *800	0 / 0	(None)
2582	CF1530D Secret Santa constructive algorithms flows graphs greedy math *1600	0 / 0	(None)
2581	CF1530E Minimax constructive algorithms greedy strings *2100	0 / 0	(None)
2578	CF1530G What a Reversal constructive algorithms *3300	0 / 0	(None)
2563	CF1533G Biome Map *special problem constructive algorithms dfs and similar graphs	0 / 0	(None)
2561	CF1533I Excursions *special problem constructive algorithms dfs and similar flows graph matchings graphs	0 / 0	(None)
2555	CF1534D Lost Tree constructive algorithms interactive trees *1800	0 / 0	(None)
2550	CF1534H Lost Nodes constructive algorithms dp graphs interactive sortings trees *3500	0 / 0	(None)
2542	CF1536A Omkar and Bad Story brute force constructive algorithms *800	0 / 0	(None)
2541	CF1536B Prinzessin der Verurteilung brute force constructive algorithms strings *1200	0 / 0	(None)
2537	CF1536F Omkar and Akmar chinese remainder theorem combinatorics constructive algorithms fft games geometry math meet-in-the-middle string suffix structures *2600	0 / 0	(None)
2534	CF1537B Bad Boy constructive algorithms greedy math *900	0 / 0	(None)
2533	CF1537C Challenging Cliffs constructive algorithms greedy implementation math *1200	0 / 0	(None)
2529	CF1537F Figure Fixing constructive algorithms dfs and similar dsu graphs greedy math *2200	0 / 0	(None)
2522	CF1538D Another Problem About Dividing Numbers constructive algorithms math number theory *1700	0 / 0	(None)
2514	CF1539E Game with Cards binary search constructive algorithms data structures dp greedy implementation *2500	0 / 0	(None)
2511	CF1540A Great Graphs constructive algorithms graphs greedy shortest paths sortings *1400	0 / 0	(None)
2505	CF1541A Pretty Permutations constructive algorithms greedy implementation *800	0 / 0	(None)
2502	CF1542B Plus and Multiply constructive algorithms math number theory *1500	0 / 0	(None)
2493	CF1543D1 RPD and Rap Sheet (Easy Version) bitmasks constructive algorithms interactive math *1700	0 / 0	(None)
2492	CF1543D2 RPD and Rap Sheet (Hard Version) brute force constructive algorithms interactive math *2200	0 / 0	(None)
2491	CF1543E The Final Pursuit bitmasks constructive algorithms divide and conquer graphs greedy math *2700	0 / 0	(None)
2487	CF1545C AquaMoon and Permutations 2-sat brute force combinatorics constructive algorithms graph matchings graphs *2800	0 / 0	(None)
2486	CF1545D AquaMoon and Wrong Coordinate constructive algorithms interactive math *3000	0 / 0	(None)
2476	CF1547D Co-growing Sequence bitmasks constructive algorithms greedy *1300	0 / 0	(None)
2460	CF1550D Excellent Arrays binary search combinatorics constructive algorithms implementation math sortings two pointers *2300	0 / 0	(None)
2454	CF1551B2 Wonderful Coloring - 2 binary search constructive algorithms data structures greedy *1400	0 / 0	(None)
2452	CF1551D1 Domino (easy version) constructive algorithms math *1700	0 / 0	(None)
2451	CF1551D2 Domino (hard version) constructive algorithms implementation math *2100	0 / 0	(None)
2445	CF1552C Maximize the Intersections combinatorics constructive algorithms geometry greedy sortings *1800	0 / 0	(None)
2444	CF1552D Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math *1800	0 / 0	(None)
2443	CF1552E Colors and Intervals constructive algorithms data structures greedy sortings *2300	0 / 0	(None)
2433	CF1553E Permutation Shift brute force combinatorics constructive algorithms dfs and similar dsu graphs math *2100	0 / 0	(None)
2431	CF1553G Common Divisor Graph brute force constructive algorithms dsu graphs hashing math number theory *2700	0 / 0	(None)
2425	CF1554D Diane constructive algorithms greedy strings *1800	0 / 0	(None)
2420	CF1555C Coin Rows brute force constructive algorithms dp implementation *1300	0 / 0	(None)
2419	CF1555D Say No to Palindromes brute force constructive algorithms dp strings *1600	0 / 0	(None)
2411	CF1556D Take a Guess bitmasks constructive algorithms interactive math *1800	0 / 0	(None)
2402	CF1557E Assiut Chess brute force constructive algorithms interactive *2800	0 / 0	(None)
2398	CF1558C Bottom-Tier Reversals constructive algorithms greedy *2000	0 / 0	(None)
2394	CF1559A Mocha and Math bitmasks constructive algorithms math *900	0 / 0	(None)
2392	CF1559C Mocha and Hiking constructive algorithms graphs *1200	0 / 0	(None)
2391	CF1559D1 Mocha and Diana (Easy Version) brute force constructive algorithms dsu graphs greedy trees *1400	0 / 0	(None)
2389	CF1559D2 Mocha and Diana (Hard Version) brute force constructive algorithms dfs and similar dsu graphs greedy trees two pointers *2500	0 / 0	(None)

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