Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 1134 (Div. 4)
37:25:05
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x11444
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x10089
1935B	Informatics in MAC constructive algorithms	1200	x21318
1935A	Entertainment in MAC constructive algorithms, strings	800	x30743
1934E	Weird LCM Operations brute force, constructive algorithms, number theory	3000	x417
1934D2	XOR Break --- Game Version bitmasks, games, greedy, interactive	2400	x1864
1934D1	XOR Break --- Solo Version bitmasks, constructive algorithms, greedy	2100	x4332
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x8353
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x22645
1934A	Too Min Too Max greedy, math	800	x27635
1933G	Turtle Magic: Royal Turtle Shell Pattern bitmasks, brute force, combinatorics, constructive algorithms, dfs and similar, math	2300	x1238
1933F	Turtle Mission: Robot and the Earthquake dfs and similar, dp, graphs, shortest paths	2100	x3065
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x14075
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x24294
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x25943
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x37653
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x42969
1932G	Moving Platforms graphs, math, number theory, shortest paths	2300	x1479
1932F	Feed Cats data structures, dp, sortings	1900	x6278
1932E	Final Countdown implementation, math, number theory	1600	x10657
1932D	Card Game greedy, implementation	1400	x13839
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x19630
1932B	Chaya Calendar number theory	1100	x24263
1932A	Thorns and Coins dp, greedy, implementation	800	x34980
1931G	One-Dimensional Puzzle combinatorics, math, number theory	2000	x3905
1931F	Chat Screenshots combinatorics, dfs and similar, graphs	1700	x13199
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x29091
1931D	Divisible Pairs combinatorics, math, number theory	1300	x34707
1931C	Make Equal Again brute force, greedy, math	1000	x34744
1931B	Make Equal greedy	800	x36107
1931A	Recovering a Small String brute force, strings	800	x40647
1930I	Counting Is Fun combinatorics	3500	x116
1930H	Interactive Mex Tree constructive algorithms, dfs and similar, interactive, trees	3300	x420
1930G	Prefix Max Set Counting data structures, dp, trees	3100	x554
1930F	Maximize the Difference bitmasks, brute force, dfs and similar	2700	x1004
1930E	2..3...4.... Wonderful! Wonderful! combinatorics, dp, math	2400	x1570
1930D2	Sum over all Substrings (Hard Version) bitmasks, divide and conquer, dp, dsu, greedy, implementation, strings	2100	x3184
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x4985
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x8367
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x18054
1930A	Maximise The Score greedy, sortings	800	x20612
1929F	Sasha and the Wedding Binary Search Tree brute force, combinatorics, data structures, dfs and similar, math, trees	2300	x2426
1929E	Sasha and the Happy Tree Cutting bitmasks, brute force, dfs and similar, dp, graphs, greedy, math, trees	2300	x2209
1929D	Sasha and a Walk in the City combinatorics, dp, math, trees	1900	x6044
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x17808
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x27016
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x35773
1928F	Digital Patterns combinatorics, data structures, implementation, math	2900	x519
1928E	Modular Sequence brute force, constructive algorithms, dp, graphs, greedy, math, number theory	2300	x2334
1928D	Lonely Mountain Dungeons brute force, data structures, greedy, math, ternary search	1900	x5353
1928C	Physical Education Lesson brute force, math, number theory	1600	x10668
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x21543
1928A	Rectangle Cutting geometry, math	800	x24720
1927G	Paint Charges data structures, dp, greedy, math	2300	x2162
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x5808
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x17576
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x37156
1927C	Choose the Different Ones! brute force, greedy, math	1000	x32247
1927B	Following the String constructive algorithms, greedy, strings	900	x39071
1927A	Make it White greedy, strings	800	x53161
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x4842
1926F	Vlad and Avoiding X bitmasks, brute force, dfs and similar, dp, implementation	2200	x2208
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x15519
1926D	Vlad and Division bitmasks, greedy	1300	x18991
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x34270
1926B	Vlad and Shapes geometry, implementation	800	x37215
1926A	Vlad and the Best of Five implementation	800	x65398
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x5156
1925B	A Balanced Problemset? brute force, greedy, math, number theory	1200	x24014
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x31582
1924F	Anti-Proxy Attendance constructive algorithms, dp, interactive, ternary search	3500	x241
1924E	Paper Cutting Again combinatorics, probabilities	3100	x657
1924D	Balanced Subsequences combinatorics, dp, math	2700	x1584
1924C	Fractal Origami geometry, math, matrices	2400	x1427
1924B	Space Harbour data structures, implementation, math, sortings	2100	x3442
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x17297
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x552
1923E	Count Paths data structures, dfs and similar, dp, dsu, graphs, trees	2000	x5577
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x8678
1923C	Find B constructive algorithms, greedy	1400	x19199
1923B	Monsters Attack! dp, greedy, implementation	1100	x20228
1923A	Moving Chips greedy, implementation	800	x26624
1922F	Replace on Segment dp, graph matchings	2500	x1899
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x9450
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x7134
1922C	Closest Cities greedy, implementation, math	1300	x22853
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x23994
1922A	Tricky Template constructive algorithms, implementation, strings	800	x29157
1921G	Mischievous Shooter brute force, data structures, divide and conquer, dp, implementation	2200	x1597
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x5465
1921E	Eat the Chip brute force, games, greedy, math	1600	x11765
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x24993
1921C	Sending Messages greedy, math	900	x33279
1921B	Arranging Cats greedy, implementation	800	x37047
1921A	Square greedy, math	800	x50958
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x716
1920F1	Smooth Sailing (Easy Version) binary search, brute force, data structures, dfs and similar, dsu, graphs, shortest paths	2500	x1333
1920E	Counting Binary Strings combinatorics, dp, math	2100	x3620
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x6833
1920C	Partitioning the Array brute force, math, number theory	1600	x21944

The only programming contests Web 2.0 platform

Server time: Nov/11/2026 04:09:55 (g2).

Desktop version, switch to mobile version.

Supported by