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Problemset

893 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
772C	Vulnerable Kerbals constructive algorithms dp graphs math number theory	2300	1.5k
768F	Barrels and boxes brute force combinatorics math number theory probabilities	2300	1.2k
766B	Mahmoud and a Triangle constructive algorithms geometry greedy math number theory sortings	1000	38.9k
765G	Math, math everywhere brute force dp math meet-in-the-middle number theory	3200	119
763C	Timofey and remoduling brute force implementation math number theory	2600	816
762A	k-th divisor math number theory	1400	26.8k
758B	Blown Garland brute force implementation number theory	1100	10.8k
758F	Geometrical Progression brute force math number theory	2400	760
757B	Bash's Big Day greedy math number theory	1400	11.6k
757E	Bash Plays with Functions brute force combinatorics dp number theory	2500	1.6k
756F	Long number expression parsing math number theory	3400	231
755A	PolandBall and Hypothesis brute force graphs math number theory	800	20.1k
755G	PolandBall and Many Other Balls combinatorics divide and conquer dp fft math number theory	3200	1.1k
749A	Bachgold Problem greedy implementation math number theory	800	58.1k
743C	Vladik and fractions brute force constructive algorithms math number theory	1500	13.6k
742A	Arpa’s hard exam and Mehrdad’s naive cheat implementation math number theory	1000	53.3k
742B	Arpa’s obvious problem and Mehrdad’s terrible solution brute force math number theory	1500	10.1k
735B	Urbanization greedy number theory sortings	1100	8.8k
735D	Taxes math number theory	1600	16.2k
731F	Video Cards brute force data structures implementation math number theory	1900	3.2k
724C	Ray Tracing greedy hashing implementation math number theory sortings	1800	2.3k
724G	Xor-matic Number of the Graph bitmasks graphs math number theory trees	2600	1.6k
722F	Cyclic Cipher chinese remainder theorem data structures implementation number theory two pointers	2800	640
717A	Festival Organization combinatorics math number theory	2900	473
711E	ZS and The Birthday Paradox math number theory probabilities	2300	1.4k
710D	Two Arithmetic Progressions math number theory	2500	2k
707C	Pythagorean Triples math number theory	1500	13.6k
703E	Mishka and Divisors dp number theory	2600	696
698F	Coprime Permutation combinatorics number theory	3000	554
691F	Couple Cover brute force dp number theory	2200	1.5k
687B	Remainders Game chinese remainder theorem math number theory	1800	7k
682A	Alyona and Numbers constructive algorithms math number theory	1100	24.3k
678C	Joty and Chocolate implementation math number theory	1600	11.2k
678D	Iterated Linear Function math number theory	1700	5.5k
671C	Ultimate Weirdness of an Array data structures number theory	2800	838
665D	Simple Subset constructive algorithms greedy number theory	1800	4.2k
665F	Four Divisors data structures dp math number theory sortings two pointers	2400	836
664A	Complicated GCD math number theory	800	22.3k
660A	Co-prime Array greedy implementation math number theory	1200	10.6k
659G	Fence Divercity combinatorics dp number theory	2300	1.3k
653G	Move by Prime combinatorics math number theory	3100	768
645F	Cowslip Collections combinatorics math number theory	2500	1k
633A	Ebony and Ivory brute force math number theory	1100	15k
633B	A Trivial Problem brute force constructive algorithms math number theory	1300	7.3k
633G	Yash And Trees bitmasks data structures dfs and similar math number theory	2800	934
632D	Longest Subsequence brute force math number theory	2100	4.7k
630A	Again Twenty Five! number theory	800	96.5k
630J	Divisibility math number theory	1100	12.9k
630K	Indivisibility math number theory	1500	6.5k
626C	Block Towers brute force greedy math number theory	1600	4.6k
623B	Array GCD dp greedy number theory	2300	2.4k
621C	Wet Shark and Flowers combinatorics math number theory probabilities	1700	6.4k
616E	Sum of Remainders implementation math number theory	2200	3.7k
615D	Multipliers math number theory	2000	4.3k
603B	Moodular Arithmetic combinatorics dfs and similar dsu math number theory	1800	2.7k
594D	REQ data structures number theory	2500	2.1k
585C	Alice, Bob, Oranges and Apples number theory	2400	1.1k
585E	Present for Vitalik the Philatelist combinatorics math number theory	2900	1.3k
584D	Dima and Lisa brute force math number theory	1800	11.3k
582A	GCD Table constructive algorithms greedy number theory	1700	8.4k
582C	Superior Periodic Subarrays number theory	2400	818
582D	Number of Binominal Coefficients dp math number theory	3300	830
577A	Multiplication Table implementation number theory	1000	46.2k
576A	Vasya and Petya's Game math number theory	1500	16.1k
575H	Bots combinatorics dp math number theory	1800	1.9k
573A	Bear and Poker implementation math number theory	1300	18.8k
568A	Primes or Palindromes? brute force implementation math number theory	1600	5.4k
566F	Clique in the Divisibility Graph dp math number theory	1500	4.3k
559C	Gerald and Giant Chess combinatorics dp math number theory	2200	8.3k
552C	Vanya and Scales brute force dp greedy math meet-in-the-middle number theory	1900	5.9k
551D	GukiZ and Binary Operations combinatorics implementation math matrices number theory	2100	2.1k
547C	Mike and Foam bitmasks combinatorics dp math number theory	2300	3.5k
546D	Soldier and Number Game constructive algorithms dp math number theory	1700	14.1k
542D	Superhero's Job dfs and similar dp hashing math number theory	2600	541
520E	Pluses everywhere combinatorics dp math number theory	2200	2.1k
519C	A and B and Team Training greedy implementation math number theory	1300	20.8k
516E	Drazil and His Happy Friends math number theory	3100	660
515B	Drazil and His Happy Friends brute force dsu meet-in-the-middle number theory	1300	7.8k
500G	New Year Running number theory trees	3200	312
498C	Array and Operations flows graph matchings number theory	2100	4.3k
498D	Traffic Jams in the Land data structures dp number theory	2400	1.3k
495B	Modular Equations math number theory	1600	8.4k
490C	Hacking Cypher brute force math number theory strings	1700	9.5k
490D	Chocolate brute force dfs and similar math meet-in-the-middle number theory	1900	2.3k
487C	Prefix Product Sequence constructive algorithms math number theory	2300	3.2k
483A	Counterexample brute force implementation math number theory	1100	25.1k
474F	Ant colony data structures math number theory	2100	12.3k
472A	Design Tutorial: Learn from Math math number theory	800	72k
463E	Caisa and Tree brute force dfs and similar math number theory trees	2100	1.8k
460B	Little Dima and Equation brute force implementation math number theory	1500	13.5k
456B	Fedya and Maths math number theory	1200	18.9k
451E	Devu and Flowers bitmasks combinatorics number theory	2300	4.7k
449C	Jzzhu and Apples constructive algorithms number theory	2500	2.6k
449E	Jzzhu and Squares dp math number theory	2900	341
448E	Divisors brute force dfs and similar implementation number theory	2200	2k
446C	DZY Loves Fibonacci Numbers data structures math number theory	2400	4.1k
439C	Devu and Partitioning of the Array brute force constructive algorithms implementation number theory	1700	4.2k
438E	The Child and Binary Tree combinatorics divide and conquer fft number theory	3100	2.3k
414A	Mashmokh and Numbers constructive algorithms number theory	1500	10.6k
414B	Mashmokh and ACM combinatorics dp number theory	1400	30.4k

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