Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 1097 (Div. 1, Based on Zhili Cup 2026)
4 days
Register now »

*has extra registration

Before contest
Codeforces Round 1097 (Div. 2, Based on Zhili Cup 2026)
4 days
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1474F	1 2 3 4 ... dp, math, matrices	3000	x323
1474E	What Is It? constructive algorithms, greedy	2500	x1463
1474D	Cleaning data structures, dp, greedy, math	2200	x4301
1474C	Array Destruction brute force, constructive algorithms, data structures, greedy, implementation, sortings	1700	x14132
1474B	Different Divisors binary search, constructive algorithms, greedy, math, number theory	1000	x40270
1474A	Puzzle From the Future greedy	800	x23352
1473G	Tiles combinatorics, dp, fft, math	2800	x455
1473F	Strange Set flows, math	2700	x1138
1473E	Minimum Path graphs, shortest paths	2400	x4728
1473D	Program data structures, dp, implementation, strings	1700	x10959
1473C	No More Inversions constructive algorithms, math	1500	x13412
1473B	String LCM brute force, math, number theory, strings	1000	x35080
1473A	Replacing Elements greedy, implementation, math, sortings	800	x37405
1472G	Moving to the Capital dfs and similar, dp, graphs, shortest paths	2100	x5641
1472F	New Year's Puzzle brute force, dp, graph matchings, greedy, sortings	2100	x3289
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x8847
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x30518
1472C	Long Jumps dp, graphs	1100	x35316
1472B	Fair Division dp, greedy, math	800	x59784
1472A	Cards for Friends greedy, math	800	x45506
1471B	Strange List brute force, greedy, implementation, math	1100	x19928
1471A	Strange Partition greedy, math, number theory	900	x38155
1470F	Strange Covering divide and conquer	3500	x163
1470E	Strange Permutation binary search, combinatorics, data structures, dp, graphs, implementation, two pointers	3200	x375
1470D	Strange Housing constructive algorithms, dfs and similar, graph matchings, graphs, greedy	2200	x4182
1470C	Strange Shuffle binary search, brute force, constructive algorithms, interactive	2500	x1439
1470B	Strange Definition bitmasks, graphs, hashing, math, number theory	1900	x6776
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x29349
1469F	Power Sockets binary search, data structures, greedy	2600	x1080
1469E	A Bit Similar bitmasks, brute force, hashing, string suffix structures, strings, two pointers	2400	x2200
1469D	Ceil Divisions brute force, constructive algorithms, math, number theory	1700	x10205
1469C	Building a Fence dp, greedy, implementation, two pointers	1600	x11679
1469B	Red and Blue dp, greedy	1000	x31032
1469A	Regular Bracket Sequence constructive algorithms, greedy	1000	x30023
1468N	Waste Sorting greedy, implementation	900	x9118
1468M	Similar Sets data structures, graphs, implementation	2300	x1128
1468L	Prime Divisors Selection binary search, greedy, math, number theory	2700	x371
1468K	The Robot brute force, implementation	1600	x5603
1468J	Road Reform dsu, graphs, greedy	1800	x5894
1468I	Plane Tiling geometry, implementation, math	2500	x573
1468H	K and Medians constructive algorithms, greedy, math	2200	x1996
1468G	Hobbits binary search, geometry	2500	x887
1468F	Full Turn geometry, hashing, number theory	1700	x4221
1468E	Four Segments greedy	800	x9817
1468D	Firecrackers binary search, sortings	1700	x5273
1468C	Berpizza data structures, implementation	1400	x10420
1468B	Bakery data structures, dsu	2900	x241
1468A	LaIS data structures, dp, greedy	2200	x1946
1467E	Distinctive Roots in a Tree data structures, dfs and similar, dp, trees	2500	x1761
1467D	Sum of Paths combinatorics, dp, math	2200	x3995
1467C	Three Bags constructive algorithms, greedy	1900	x6787
1467B	Hills And Valleys brute force, implementation	1700	x11540
1467A	Wizard of Orz constructive algorithms, greedy, math	900	x25315
1466I	The Riddle of the Sphinx binary search, data structures, data structures, interactive	3400	x233
1466H	Finding satisfactory solutions combinatorics, dp, graphs, greedy, math	3300	x489
1466G	Song of the Sirens combinatorics, divide and conquer, hashing, math, string suffix structures, strings	2600	x1008
1466F	Euclid's nightmare bitmasks, dfs and similar, dsu, graphs, greedy, math, sortings	2100	x3060
1466E	Apollo versus Pan bitmasks, brute force, math	1800	x8359
1466D	13th Labour of Heracles data structures, greedy, sortings, trees	1500	x14619
1466C	Canine poetry dp, greedy, strings	1300	x18720
1466B	Last minute enhancements dp, greedy	800	x23594
1466A	Bovine Dilemma brute force, geometry, math	800	x23206
1464F	My Beautiful Madness data structures, trees	3500	x442
1463F	Max Correct Set bitmasks, dp, math	3100	x735
1463E	Plan of Lectures constructive algorithms, dfs and similar, dsu, graphs, implementation, sortings, trees	2400	x1733
1463D	Pairs binary search, constructive algorithms, greedy, two pointers	1900	x4833
1463C	Busy Robot implementation	1800	x6053
1463B	Find The Array bitmasks, constructive algorithms, greedy	1400	x21164
1463A	Dungeon binary search, math	1100	x27918
1462F	The Treasure of The Segments binary search, data structures, greedy	1800	x8523
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x11356
1462E1	Close Tuples (easy version) binary search, combinatorics, math, sortings, two pointers	1500	x15213
1462D	Add to Neighbour and Remove greedy, math, number theory	1400	x18119
1462C	Unique Number brute force, greedy, math	900	x36436
1462B	Last Year's Substring dp, implementation, strings	800	x29168
1462A	Favorite Sequence implementation, two pointers	800	x48916
1461F	Mathematical Expression constructive algorithms, dp, greedy	2700	x601
1461E	Water Level brute force, graphs, greedy, implementation, math	2200	x2214
1461D	Divide and Summarize binary search, brute force, data structures, divide and conquer, implementation, sortings	1600	x10282
1461C	Random Events dp, math, probabilities	1500	x12427
1461B	Find the Spruce brute force, dp, implementation	1400	x13244
1461A	String Generation constructive algorithms, greedy	800	x19000
1459B	Move and Turn dp, math	1300	x20851
1459A	Red-Blue Shuffle math, probabilities	800	x17653
1458F	Range Diameter Sum data structures, trees	3500	x440
1458E	Nim Shortcuts data structures, games	3100	x556
1458D	Flip and Reverse data structures, graphs, greedy	3100	x1562
1458C	Latin Square math, matrices	2700	x1686
1458B	Glass Half Spilled dp	2000	x4100
1458A	Row GCD math, number theory	1600	x25254
1456E	XOR-ranges dp, greedy	3500	x381
1455G	Forbidden Value data structures, dp	2900	x476
1455F	String and Operations dp, greedy	2800	x519
1455E	Four Points brute force, constructive algorithms, flows, geometry, greedy, implementation, math, ternary search	2400	x1648
1455D	Sequence and Swaps dp, greedy, sortings	1600	x13202
1455C	Ping-pong constructive algorithms, games, math	1100	x20438
1455B	Jumps constructive algorithms, math	1200	x23231
1455A	Strange Functions math, number theory	800	x27404
1454F	Array Partition binary search, data structures, greedy, two pointers	2100	x4661
1454E	Number of Simple Paths combinatorics, dfs and similar, graphs, trees	2000	x6611

The only programming contests Web 2.0 platform

Server time: May/02/2026 09:51:57 (i1).

Desktop version, switch to mobile version.

Supported by