Problemset - Codeforces

Problems

#	Name
453D	Little Pony and Elements of Harmony dp, matrices	3000	x471
453C	Little Pony and Summer Sun Celebration constructive algorithms, dfs and similar, graphs	2200	x1642
453B	Little Pony and Harmony Chest bitmasks, brute force, dp	2000	x4750
453A	Little Pony and Expected Maximum probabilities	1600	x10684
452F	Permutation data structures, divide and conquer, hashing	2700	x1521
452E	Three strings data structures, dsu, string suffix structures, strings	2400	x1067
452D	Washer, Dryer, Folder greedy, implementation	1900	x1525
452C	Magic Trick combinatorics, math, probabilities	2100	x1633
452B	4-point polyline brute force, constructive algorithms, geometry, trees	1800	x2002
451E	Devu and Flowers bitmasks, combinatorics, number theory	2300	x3671
451D	Count Good Substrings math	2000	x4782
451C	Predict Outcome of the Game brute force, implementation, math	1700	x3389
449E	Jzzhu and Squares dp, math, number theory	2900	x285
449D	Jzzhu and Numbers bitmasks, combinatorics, dp	2400	x4551
449C	Jzzhu and Apples constructive algorithms, number theory	2500	x2283
449B	Jzzhu and Cities graphs, greedy, shortest paths	2000	x8741
449A	Jzzhu and Chocolate greedy, math	1700	x3951
448E	Divisors brute force, dfs and similar, implementation, number theory	2200	x1543
448D	Multiplication Table binary search, brute force	1800	x14246
448C	Painting Fence divide and conquer, dp, greedy	1900	x8297
448B	Suffix Structures implementation, strings	1400	x16179
446E	DZY Loves Bridges math, matrices	3100	x134
446D	DZY Loves Games math, matrices, probabilities	2800	x417
446C	DZY Loves Fibonacci Numbers data structures, math, number theory	2400	x3374
446B	DZY Loves Modification brute force, data structures, greedy	2000	x3600
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12606
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x12800
444E	DZY Loves Planting binary search, dsu, trees	2700	x779
444D	DZY Loves Strings binary search, hashing, strings, two pointers	2500	x783
444C	DZY Loves Colors data structures	2400	x2943
444B	DZY Loves FFT probabilities	2300	x1070
444A	DZY Loves Physics greedy, math	1600	x3426
443B	Kolya and Tandem Repeat brute force, implementation, strings	1500	x4067
442E	Gena and Second Distance geometry	3100	x175
442D	Adam and Tree data structures, trees	2600	x999
442C	Artem and Array data structures, greedy	2500	x1811
442B	Andrey and Problem greedy, math, probabilities	1800	x5276
442A	Borya and Hanabi bitmasks, brute force, implementation	1700	x2154
441E	Valera and Number bitmasks, dp, math, probabilities	2400	x721
441D	Valera and Swaps constructive algorithms, dsu, graphs, implementation, math, string suffix structures	2100	x1112
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x11263
441B	Valera and Fruits greedy, implementation	1400	x7106
440D	Berland Federalization dp, trees	2200	x707
440C	One-Based Arithmetic brute force, dfs and similar, divide and conquer	1800	x921
440B	Balancer greedy, implementation	1600	x1991
439E	Devu and Birthday Celebration combinatorics, dp, math	2100	x1574
439D	Devu and his Brother binary search, sortings, ternary search, two pointers	1700	x6137
439C	Devu and Partitioning of the Array brute force, constructive algorithms, implementation, number theory	1700	x3936
438E	The Child and Binary Tree combinatorics, divide and conquer, fft, number theory	3100	x1895
438D	The Child and Sequence data structures, math	2300	x8777
437E	The Child and Polygon dp, geometry	2500	x707
437D	The Child and Zoo dsu, sortings	1900	x3399
437C	The Child and Toy graphs, greedy, sortings	1400	x14023
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x9562
436F	Banners brute force, data structures, dp	3000	x400
436E	Cardboard Box data structures, greedy	2600	x1397
436D	Pudding Monsters dp	2800	x326
436C	Dungeons and Candies dsu, graphs, greedy, trees	1800	x2680
436B	Om Nom and Spiders implementation, math	1400	x3056
436A	Feed with Candy greedy	1500	x3486
435E	Special Graph	2500	x244
435D	Special Grid brute force, dp, greedy	2000	x761
435C	Cardiogram implementation	1600	x2582
435B	Pasha Maximizes greedy	1400	x7049
434E	Furukawa Nagisa's Tree binary search, divide and conquer, sortings, trees	3000	x273
434D	Nanami's Power Plant flows	2900	x467
433E	Tachibana Kanade's Tofu dp	2500	x483
433D	Nanami's Digital Board dsu, implementation	2000	x1245
433C	Ryouko's Memory Note implementation, math, sortings	1800	x2489
432E	Square Tiling constructive algorithms, greedy	2300	x701
432D	Prefixes and Suffixes dp, string suffix structures, strings, two pointers	2000	x9289
432C	Prime Swaps greedy, sortings	1800	x2523
431E	Chemistry Experiment binary search, data structures, ternary search	2200	x1027
431D	Random Task binary search, bitmasks, combinatorics, dp, math	2100	x2324
431C	k-Tree dp, implementation, trees	1600	x25849
430B	Balls Game brute force, two pointers	1400	x3735
430A	Points and Segments (easy) constructive algorithms, sortings	1600	x2282
429E	Points and Segments graphs	3000	x894
429D	Tricky Function data structures, divide and conquer, geometry	2200	x2949
429C	Guess the Tree bitmasks, constructive algorithms, dp, greedy, trees	2300	x953
429B	Working out dp	1600	x8755
427E	Police Patrol greedy, implementation, math, ternary search	2000	x1435
427D	Match & Catch dp, string suffix structures, strings	2200	x2219
427C	Checkposts dfs and similar, graphs, two pointers	1700	x14164
425E	Sereja and Sets dp	2500	x682
425D	Sereja and Squares binary search, data structures, hashing	2300	x1461
425C	Sereja and Two Sequences data structures, dp	2300	x904
425B	Sereja and Table bitmasks, greedy	2200	x1314
425A	Sereja and Swaps brute force, sortings	1500	x3914
424E	Colored Jenga dfs and similar, dp, probabilities	2500	x134
424D	Biathlon Track binary search, brute force, constructive algorithms, data structures, dp	2300	x568
424C	Magic Formulas math	1600	x5444
421D	Bug in Code binary search, data structures, sortings	1900	x541
420E	Playing the ball geometry	2600	x219
420D	Cup Trick data structures	2200	x845
420C	Bug in Code data structures, graphs, implementation, two pointers	1900	x1268
420B	Online Meeting implementation	1800	x1045
418E	Tricky Password data structures	3100	x318
418D	Big Problems for Organizers data structures, graphs, trees	2800	x483
417E	Square Table constructive algorithms, math, probabilities	2400	x842