Problemset - Codeforces

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Problems

#	Name
519C	A and B and Team Training greedy, implementation, math, number theory	1300	x19321
518E	Arthur and Questions greedy, implementation, math, ternary search	2200	x905
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x6676
516E	Drazil and His Happy Friends math, number theory	3100	x471
515C	Drazil and Factorial greedy, math, sortings	1400	x24924
515A	Drazil and Date math	1000	x19527
514B	Han Solo and Lazer Gun brute force, data structures, geometry, implementation, math	1400	x20153
513B2	Permutations bitmasks, divide and conquer, math	1800	x2563
513A	Game constructive algorithms, math	800	x19923
510D	Fox And Jumping bitmasks, brute force, dp, math	1900	x5176
509E	Pretty Song math, strings	2000	x1769
509D	Restoring Numbers constructive algorithms, math	2200	x731
508B	Anton and currency you all know greedy, math, strings	1300	x22051
507C	Guess Your Way Out! implementation, math, trees	1700	x4274
507B	Amr and Pins geometry, math	1400	x23807
500C	New Year Book Reading constructive algorithms, greedy, implementation, math	1600	x5740
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x8689
497D	Gears brute force, geometry, math	2900	x224
496A	Minimum Difficulty brute force, implementation, math	900	x16090
495B	Modular Equations math, number theory	1600	x6452
493E	Vasya and Polynomial math	2800	x474
493D	Vasya and Chess constructive algorithms, games, math	1700	x9505
492E	Vanya and Field math	2000	x1585
492D	Vanya and Computer Game binary search, implementation, math, sortings	1800	x3117
492B	Vanya and Lanterns binary search, implementation, math, sortings	1200	x71017
491B	New York Hotel greedy, math	2100	x536
490D	Chocolate brute force, dfs and similar, math, meet-in-the-middle, number theory	1900	x2069
490C	Hacking Cypher brute force, math, number theory, strings	1700	x8900
488B	Candy Boxes brute force, constructive algorithms, math	1900	x2076
487C	Prefix Product Sequence constructive algorithms, math, number theory	2300	x2509
486E	LIS of Sequence data structures, dp, greedy, hashing, math	2200	x2015
486D	Valid Sets dfs and similar, dp, math, trees	2100	x3851
486A	Calculating Function implementation, math	800	x109175
485A	Factory implementation, math, matrices	1400	x8088
484C	Strange Sorting implementation, math	2600	x580
484B	Maximum Value binary search, math, sortings, two pointers	2100	x6774
483B	Friends and Presents binary search, math	1800	x3987
483A	Counterexample brute force, implementation, math, number theory	1100	x22175
479A	Expression brute force, math	1000	x88468
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x35215
476D	Dreamoon and Sets constructive algorithms, greedy, math	1900	x4313
476C	Dreamoon and Sums math	1600	x5406
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x28988
476A	Dreamoon and Stairs implementation, math	1000	x41066
475D	CGCDSSQ brute force, data structures, math	2000	x4456
474F	Ant colony data structures, math, number theory	2100	x7670
472F	Design Tutorial: Change the Goal constructive algorithms, math, matrices	2700	x249
472A	Design Tutorial: Learn from Math math, number theory	800	x56931
471C	MUH and House of Cards binary search, brute force, greedy, math	1700	x3534
468E	Permanent dp, graph matchings, math, meet-in-the-middle	3100	x306
468C	Hack it! binary search, constructive algorithms, math	2500	x2237
468A	24 Game constructive algorithms, greedy, math	1500	x7842
466B	Wonder Room brute force, math	2000	x4595
463E	Caisa and Tree brute force, dfs and similar, math, number theory, trees	2100	x1384
463B	Caisa and Pylons brute force, implementation, math	1100	x25771
461D	Appleman and Complicated Task dsu, math	2800	x355
460E	Roland and Rose brute force, geometry, math, sortings	2700	x334
460D	Little Victor and Set brute force, constructive algorithms, math	2300	x970
460B	Little Dima and Equation brute force, implementation, math, number theory	1500	x12081
460A	Vasya and Socks brute force, implementation, math	900	x44222
459C	Pashmak and Buses combinatorics, constructive algorithms, math	1900	x6065
457E	Flow Optimality constructive algorithms, flows, math	3000	x81
457D	Bingo! combinatorics, math, probabilities	2700	x269
457A	Golden System math, meet-in-the-middle	1700	x1261
456B	Fedya and Maths math, number theory	1200	x15984
452C	Magic Trick combinatorics, math, probabilities	2100	x1395
451D	Count Good Substrings math	2000	x4638
451C	Predict Outcome of the Game brute force, implementation, math	1700	x3298
450B	Jzzhu and Sequences implementation, math	1300	x25307
449E	Jzzhu and Squares dp, math, number theory	2900	x281
449A	Jzzhu and Chocolate greedy, math	1700	x3866
446E	DZY Loves Bridges math, matrices	3100	x118
446D	DZY Loves Games math, matrices, probabilities	2800	x378
446C	DZY Loves Fibonacci Numbers data structures, math, number theory	2400	x3176
444A	DZY Loves Physics greedy, math	1600	x3365
442B	Andrey and Problem greedy, math, probabilities	1800	x4845
441E	Valera and Number bitmasks, dp, math, probabilities	2400	x670
441D	Valera and Swaps constructive algorithms, dsu, graphs, implementation, math, string suffix structures	2100	x1059
439E	Devu and Birthday Celebration combinatorics, dp, math	2100	x1474
438D	The Child and Sequence data structures, math	2300	x7833
436B	Om Nom and Spiders implementation, math	1400	x3041
433C	Ryouko's Memory Note implementation, math, sortings	1800	x2396
431D	Random Task binary search, bitmasks, combinatorics, dp, math	2100	x2104
427E	Police Patrol greedy, implementation, math, ternary search	2000	x1395
424C	Magic Formulas math	1600	x5184
417E	Square Table constructive algorithms, math, probabilities	2400	x779
417A	Elimination dp, implementation, math	1500	x2871
416D	Population Size greedy, implementation, math	2400	x902
415B	Mashmokh and Tokens binary search, greedy, implementation, math	1500	x6117
413C	Jeopardy! greedy, math	1400	x2303
407C	Curious Array brute force, combinatorics, implementation, math	2500	x951
407A	Triangle brute force, geometry, implementation, math	1600	x4742
406E	Hamming Triples implementation, math, two pointers	2800	x227
405D	Toy Sum greedy, implementation, math	1700	x3084
405C	Unusual Product implementation, math	1600	x4563
404B	Marathon implementation, math	1500	x2894
402E	Strictly Positive Matrix graphs, math	2200	x2077
402D	Upgrading Array dp, greedy, math, number theory	1800	x2514
402A	Nuts greedy, math	1100	x4508
401E	Olympic Games math	2500	x167