Problemset - Codeforces

→ Pay attention

Contest is running
2023 Post World Finals Online ICPC Challenge powered by Huawei
11 days
Register now »

Before contest
Codeforces Round 944 (Div. 4)
22:40:26
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1610B	Kalindrome Array greedy, two pointers	1100	x14785
1293A	ConneR and the A.R.C. Markland-N binary search, brute force, implementation	1100	x14968
242B	Big Segment implementation, sortings	1100	x15202
1793B	Fedya and Array constructive algorithms, math	1100	x15227
1905B	Begginer's Zelda greedy, trees	1100	x15257
1157A	Reachable Numbers implementation	1100	x15386
719A	Vitya in the Countryside implementation	1100	x15404
1604B	XOR Specia-LIS-t	1100	x15451
501B	Misha and Changing Handles data structures, dsu, strings	1100	x15611
1842B	Tenzing and Books bitmasks, greedy, math	1100	x15650
43B	Letter implementation, strings	1100	x15708
1826B	Lunatic Never Content math, number theory	1100	x15717
218B	Airport implementation	1100	x15749
433A	Kitahara Haruki's Gift brute force, implementation	1100	x15750
1891B	Deja Vu brute force, math, sortings	1100	x15755
1395B	Boboniu Plays Chess constructive algorithms	1100	x15779
1838B	Minimize Permutation Subarrays constructive algorithms, math	1100	x15821
1867B	XOR Palindromes bitmasks, constructive algorithms, strings	1100	x15832
1625B	Elementary Particles brute force, greedy, sortings	1100	x15857
1263A	Sweet Problem math	1100	x15893
1923B	Monsters Attack! dp, greedy, implementation	1100	x16131
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x16190
1706B	Making Towers dp, greedy, math	1100	x16218
186A	Comparing Strings implementation, strings	1100	x16224
1685A	Circular Local MiniMax constructive algorithms, greedy, sortings	1100	x16482
1780B	GCD Partition brute force, greedy, math, number theory	1100	x16553
1288B	Yet Another Meme Problem math	1100	x16729
1731B	Kill Demodogs greedy, math	1100	x16761
166A	Rank List binary search, implementation, sortings	1100	x16768
1176B	Merge it! math	1100	x16789
1821B	Sort the Subarray brute force, greedy	1100	x16923
1759C	Thermostat greedy, math, shortest paths	1100	x16986
1574B	Combinatorics Homework combinatorics, greedy, math	1100	x17022
1783B	Matrix of Differences constructive algorithms, math	1100	x17165
1741C	Minimize the Thickness brute force, greedy, math, two pointers	1100	x17202
1496B	Max and Mex math	1100	x17206
1682B	AND Sorting bitmasks, constructive algorithms, sortings	1100	x17219
1015C	Songs Compression sortings	1100	x17311
1304B	Longest Palindrome brute force, constructive algorithms, greedy, implementation, strings	1100	x17435
365A	Good Number implementation	1100	x17440
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x17468
1656B	Subtract Operation data structures, greedy, math, two pointers	1100	x17655
1807G2	Subsequence Addition (Hard Version) bitmasks, dp, greedy, implementation, sortings	1100	x17693
1675C	Detective Task implementation	1100	x17738
1946B	Maximum Sum dp, greedy, math	1100	x17800
1579B	Shifting Sort implementation, sortings	1100	x17815
1807G1	Subsequence Addition (Easy Version) brute force, data structures, dp, greedy, implementation, sortings	1100	x17847
988B	Substrings Sort sortings, strings	1100	x17851
1288A	Deadline binary search, brute force, math, ternary search	1100	x17877
799A	Carrot Cakes brute force, implementation	1100	x17959
1478B	Nezzar and Lucky Number brute force, dp, greedy, math	1100	x18033
1375A	Sign Flipping constructive algorithms, math	1100	x18036
1899B	250 Thousand Tons of TNT brute force, implementation, number theory	1100	x18076
1899C	Yarik and Array dp, greedy, two pointers	1100	x18110
1492B	Card Deck data structures, greedy, math	1100	x18130
1829E	The Lakes dfs and similar, dsu, graphs, implementation	1100	x18200
1606B	Update Files greedy, implementation, math	1100	x18240
1700B	Palindromic Numbers constructive algorithms, implementation, math	1100	x18253
1932B	Chaya Calendar number theory	1100	x18348
1743C	Save the Magazines constructive algorithms, dp, greedy	1100	x18646
1692D	The Clock brute force, implementation	1100	x18733
287A	IQ Test brute force, implementation	1100	x18816
1594B	Special Numbers bitmasks, math	1100	x18879
1811C	Restore the Array constructive algorithms, greedy	1100	x18889
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x19021
1481B	New Colony brute force, greedy, implementation	1100	x19023
1616B	Mirror in the String greedy, strings	1100	x19092
1471B	Strange List brute force, greedy, implementation, math	1100	x19112
1332A	Exercising Walk greedy, implementation, math	1100	x19130
1712C	Sort Zero greedy, sortings	1100	x19220
1455C	Ping-pong constructive algorithms, games, math	1100	x19228
1760E	Binary Inversions data structures, greedy, math	1100	x19235
1788B	Sum of Two Numbers constructive algorithms, greedy, implementation, math, probabilities	1100	x19251
1920B	Summation Game games, greedy, math, sortings	1100	x19252
767A	Snacktower data structures, implementation	1100	x19273
1631B	Fun with Even Subarrays dp, greedy	1100	x19314
1917B	Erase First or Second Letter brute force, combinatorics, data structures, dp, strings	1100	x19394
1729C	Jumping on Tiles constructive algorithms, strings	1100	x19429
66B	Petya and Countryside brute force, implementation	1100	x19492
1708B	Difference of GCDs constructive algorithms, math	1100	x19515
1593D1	All are Same math, number theory	1100	x19571
1633C	Kill the Monster brute force, math	1100	x19619
1832B	Maximum Sum brute force, sortings, two pointers	1100	x19629
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x19642
1428C	ABBB brute force, data structures, greedy, strings	1100	x19647
1506B	Partial Replacement greedy, implementation	1100	x19898
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x19955
1407A	Ahahahahahahahaha constructive algorithms, math	1100	x20075
1950D	Product of Binary Decimals brute force, dp, implementation, number theory	1100	x20140
1529B	Sifid and Strange Subsequences greedy, math, sortings	1100	x20339
630C	Lucky Numbers combinatorics, math	1100	x20408
1638B	Odd Swap Sort data structures, math, sortings	1100	x20412
1948B	Array Fix brute force, dp, greedy, implementation	1100	x20416
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x20450
682A	Alyona and Numbers constructive algorithms, math, number theory	1100	x20497
1791G1	Teleporters (Easy Version) greedy, sortings	1100	x20508
1914C	Quests greedy, math	1100	x20720
1401B	Ternary Sequence constructive algorithms, greedy, math	1100	x20733
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x20842
1669D	Colorful Stamp implementation	1100	x21077