Problemset - Codeforces

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Problems

#	Name
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x6961
518C	Anya and Smartphone constructive algorithms, data structures, implementation	1600	x5992
518B	Tanya and Postcard greedy, implementation, strings	1400	x7954
518A	Vitaly and Strings constructive algorithms, strings	1600	x9208
515C	Drazil and Factorial greedy, math, sortings	1400	x25884
514B	Han Solo and Lazer Gun brute force, data structures, geometry, implementation, math	1400	x20757
513G1	Inversions problem brute force, dfs and similar, dp, meet-in-the-middle	1800	x1785
513B2	Permutations bitmasks, divide and conquer, math	1800	x2630
513B1	Permutations brute force	1400	x3622
510C	Fox And Names dfs and similar, graphs, sortings	1600	x16191
510B	Fox And Two Dots dfs and similar	1500	x13949
508C	Anya and Ghosts constructive algorithms, greedy	1600	x4461
507C	Guess Your Way Out! implementation, math, trees	1700	x4328
507B	Amr and Pins geometry, math	1400	x24498
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x12932
501C	Misha and Forest constructive algorithms, data structures, greedy, sortings, trees	1500	x5645
500C	New Year Book Reading constructive algorithms, greedy, implementation, math	1600	x5806
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x8867
498A	Crazy Town geometry	1700	x6447
496C	Removing Columns brute force, constructive algorithms, implementation	1500	x7731
496B	Secret Combination brute force, constructive algorithms, implementation	1500	x5875
495B	Modular Equations math, number theory	1600	x6910
494A	Treasure greedy	1500	x6228
493D	Vasya and Chess constructive algorithms, games, math	1700	x9658
493C	Vasya and Basketball binary search, brute force, data structures, implementation, sortings, two pointers	1600	x6790
493B	Vasya and Wrestling implementation	1400	x13293
492D	Vanya and Computer Game binary search, implementation, math, sortings	1800	x3154
492C	Vanya and Exams greedy, sortings	1400	x14031
490C	Hacking Cypher brute force, math, number theory, strings	1700	x9072
490B	Queue dsu, implementation	1500	x5987
489D	Unbearable Controversy of Being brute force, combinatorics, dfs and similar, graphs	1700	x6672
489C	Given Length and Sum of Digits... dp, greedy, implementation	1400	x46071
487A	Fight the Monster binary search, brute force, implementation	1800	x3721
486C	Palindrome Transformation brute force, greedy, implementation	1700	x11709
485A	Factory implementation, math, matrices	1400	x8257
484A	Bits bitmasks, constructive algorithms	1700	x11270
483B	Friends and Presents binary search, math	1800	x4073
482B	Interesting Array constructive algorithms, data structures, trees	1800	x6445
479D	Long Jumps binary search, greedy, implementation	1700	x4779
479C	Exams greedy, sortings	1400	x29542
479B	Towers brute force, constructive algorithms, greedy, implementation, sortings	1400	x7879
478C	Table Decorations greedy	1800	x18190
476C	Dreamoon and Sums math	1600	x5723
475B	Strongly Connected City brute force, dfs and similar, graphs, implementation	1400	x8455
474D	Flowers dp	1700	x25163
472C	Design Tutorial: Make It Nondeterministic greedy	1400	x6361
471D	MUH and Cube Walls string suffix structures, strings	1800	x8036
471C	MUH and House of Cards binary search, brute force, greedy, math	1700	x3560
470B	Hexakosioihexekontahexaphobia *special problem	1800	x259
470A	Crystal Ball Sequence *special problem, implementation	1400	x676
468A	24 Game constructive algorithms, greedy, math	1500	x7976
467C	George and Job dp, implementation	1700	x14593
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x36008
464A	No to Palindromes! greedy, strings	1700	x5913
460C	Present binary search, data structures, greedy	1700	x6200
460B	Little Dima and Equation brute force, implementation, math, number theory	1500	x12332
459D	Pashmak and Parmida's problem data structures, divide and conquer, sortings	1800	x10066
457A	Golden System math, meet-in-the-middle	1700	x1276
455A	Boredom dp	1500	x58063
453A	Little Pony and Expected Maximum probabilities	1600	x10429
452B	4-point polyline brute force, constructive algorithms, geometry, trees	1800	x1998
451C	Predict Outcome of the Game brute force, implementation, math	1700	x3328
449A	Jzzhu and Chocolate greedy, math	1700	x3936
448D	Multiplication Table binary search, brute force	1800	x13993
448B	Suffix Structures implementation, strings	1400	x16096
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12529
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x12555
444A	DZY Loves Physics greedy, math	1600	x3409
443B	Kolya and Tandem Repeat brute force, implementation, strings	1500	x4058
442B	Andrey and Problem greedy, math, probabilities	1800	x5228
442A	Borya and Hanabi bitmasks, brute force, implementation	1700	x2109
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x11189
441B	Valera and Fruits greedy, implementation	1400	x7068
440C	One-Based Arithmetic brute force, dfs and similar, divide and conquer	1800	x910
440B	Balancer greedy, implementation	1600	x1970
439D	Devu and his Brother binary search, sortings, ternary search, two pointers	1700	x6048
439C	Devu and Partitioning of the Array brute force, constructive algorithms, implementation, number theory	1700	x3871
437C	The Child and Toy graphs, greedy, sortings	1400	x13915
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x9464
436C	Dungeons and Candies dsu, graphs, greedy, trees	1800	x2657
436B	Om Nom and Spiders implementation, math	1400	x3054
436A	Feed with Candy greedy	1500	x3470
435C	Cardiogram implementation	1600	x2570
435B	Pasha Maximizes greedy	1400	x6999
433C	Ryouko's Memory Note implementation, math, sortings	1800	x2486
432C	Prime Swaps greedy, sortings	1800	x2517
431C	k-Tree dp, implementation, trees	1600	x25523
430B	Balls Game brute force, two pointers	1400	x3706
430A	Points and Segments (easy) constructive algorithms, sortings	1600	x2238
429B	Working out dp	1600	x8638
427C	Checkposts dfs and similar, graphs, two pointers	1700	x13876
425A	Sereja and Swaps brute force, sortings	1500	x3886
424C	Magic Formulas math	1600	x5341
420B	Online Meeting implementation	1800	x1042
417C	Football constructive algorithms, graphs, implementation	1400	x4662
417B	Crash implementation	1400	x1774
417A	Elimination dp, implementation, math	1500	x2986
416C	Booking System binary search, dp, greedy, implementation	1600	x7935
416A	Guess a number! greedy, implementation, two pointers	1400	x8900
415B	Mashmokh and Tokens binary search, greedy, implementation, math	1500	x6273