Problemset - Codeforces

→ Pay attention

Contest is running
Kotlin Heroes: Practice 10
10:00:52
Register now »

Before contest
Kotlin Heroes: Episode 10
11:00:51
Register now »

→ Filter Problems

Difficulty: —

math

Add tag

Problems

#	Name
1919A	Wallet Exchange games, math	800	x31752
822A	I'm bored with life implementation, math, number theory	800	x31713
1618A	Polycarp and Sums of Subsequences math, sortings	800	x31579
1675A	Food for Animals greedy, math	800	x31555
1490C	Sum of Cubes binary search, brute force, brute force, math	1100	x31451
1716A	2-3 Moves greedy, math	800	x31441
1846A	Rudolph and Cut the Rope implementation, math	800	x31398
1549A	Gregor and Cryptography math, number theory	800	x31358
1462C	Unique Number brute force, greedy, math	900	x31280
766B	Mahmoud and a Triangle constructive algorithms, geometry, greedy, math, number theory, sortings	1000	x31159
1339A	Filling Diamonds brute force, dp, implementation, math	900	x31117
1843C	Sum in Binary Tree bitmasks, combinatorics, math, trees	800	x31116
1538B	Friends and Candies greedy, math	800	x31037
268B	Buttons implementation, math	1000	x30894
1360D	Buying Shovels math, number theory	1300	x30818
1611A	Make Even constructive algorithms, math	800	x30668
1490A	Dense Array greedy, math	800	x30653
688B	Lovely Palindromes constructive algorithms, math	1000	x30261
1553A	Digits Sum math, number theory	800	x30165
1506A	Strange Table math	800	x30120
1619B	Squares and Cubes implementation, math	800	x30071
1811A	Insert Digit greedy, math, strings	800	x30049
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x29948
1547A	Shortest Path with Obstacle implementation, math	800	x29903
1691A	Beat The Odds brute force, greedy, math	800	x29859
1878B	Aleksa and Stack constructive algorithms, math	800	x29854
1519B	The Cake Is a Lie dp, math	800	x29782
1473B	String LCM brute force, math, number theory, strings	1000	x29714
1141A	Game 23 implementation, math	1000	x29650
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x29624
1622A	Construct a Rectangle geometry, math	800	x29474
82A	Double Cola implementation, math	1100	x29458
1529A	Eshag Loves Big Arrays constructive algorithms, greedy, math	800	x29384
1859A	United We Stand constructive algorithms, math, number theory	800	x29379
1296B	Food Buying math	900	x29379
1182A	Filling Shapes dp, math	1000	x29324
1837A	Grasshopper on a Line constructive algorithms, math	800	x29154
1077A	Frog Jumping math	800	x29073
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x29071
1709A	Three Doors brute force, greedy, implementation, math	800	x29035
1366A	Shovels and Swords binary search, greedy, math	1100	x28973
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x28890
1676C	Most Similar Words brute force, greedy, implementation, implementation, math, strings	800	x28846
1359A	Berland Poker brute force, greedy, math	1000	x28765
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x28754
1526B	I Hate 1111 dp, math, number theory	1400	x28740
1851A	Escalator Conversations brute force, constructive algorithms, math	800	x28638
1559A	Mocha and Math bitmasks, constructive algorithms, math	900	x28610
1914B	Preparing for the Contest constructive algorithms, math	800	x28568
734B	Anton and Digits brute force, greedy, implementation, math	800	x28541
1714A	Everyone Loves to Sleep implementation, math	900	x28532
1878C	Vasilije in Cacak math	900	x28501
1611B	Team Composition: Programmers and Mathematicians binary search, constructive algorithms, math	800	x28457
1256A	Payment Without Change math	1000	x28445
1341A	Nastya and Rice math	900	x28351
1519A	Red and Blue Beans math	800	x28304
1409B	Minimum Product brute force, greedy, math	1100	x28258
1328B	K-th Beautiful String binary search, brute force, combinatorics, implementation, math	1300	x28154
1843B	Long Long greedy, math, two pointers	800	x28053
1537B	Bad Boy constructive algorithms, greedy, math	900	x28026
1853A	Desorting brute force, greedy, math	800	x28025
1768A	Greatest Convex greedy, math, number theory	800	x28020
1550A	Find The Array greedy, math	800	x27664
1788A	One and Two brute force, implementation, math	800	x27609
1660B	Vlad and Candies math	800	x27527
1557A	Ezzat and Two Subsequences brute force, math, sortings	800	x27470
1921C	Sending Messages greedy, math	900	x27316
1285A	Mezo Playing Zoma math	800	x27306
1783A	Make it Beautiful constructive algorithms, math, sortings	800	x27300
1555A	PizzaForces brute force, math	900	x27292
1234A	Equalize Prices Again math	800	x27281
550C	Divisibility by Eight brute force, dp, math	1500	x27280
1421A	XORwice bitmasks, greedy, math	800	x27275
1196A	Three Piles of Candies brute force, constructive algorithms, math	800	x27268
1855A	Dalton the Teacher greedy, math	800	x27190
1849A	Morning Sandwich implementation, math	800	x27064
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x27035
1398A	Bad Triangle geometry, math	800	x26996
1401A	Distance and Axis constructive algorithms, math	900	x26893
1650B	DIV + MOD math	900	x26843
1790B	Taisia and Dice greedy, greedy, math	800	x26665
1541B	Pleasant Pairs brute force, implementation, math, number theory	1200	x26527
1920A	Satisfying Constraints brute force, greedy, math	800	x26489
1941B	Rudolf and 121 brute force, dp, greedy, math	1000	x26436
1543A	Exciting Bets greedy, math, number theory	900	x26430
1474B	Different Divisors binary search, constructive algorithms, greedy, math, number theory	1000	x26375
1537C	Challenging Cliffs constructive algorithms, greedy, implementation, math	1200	x26351
1372B	Omkar and Last Class of Math greedy, math, number theory	1300	x26173
1743A	Password brute force, combinatorics, implementation, math	800	x26135
1560C	Infinity Table implementation, math	800	x26106
1931C	Make Equal Again brute force, greedy, math	1000	x26073
1455A	Strange Functions math, number theory	800	x26042
463B	Caisa and Pylons brute force, implementation, math	1100	x25847
1373A	Donut Shops greedy, implementation, math	1000	x25809
1550B	Maximum Cost Deletion greedy, math	1000	x25737
1968A	Maximize? brute force, math, number theory	800	x25720
1814A	Coins implementation, math	800	x25705
1674A	Number Transformation constructive algorithms, math	800	x25679
1674B	Dictionary combinatorics, math	800	x25635
1490B	Balanced Remainders brute force, constructive algorithms, math	1000	x25605