Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 1002 (Div. 2)
2 days
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
375B	Maximum Submatrix 2 data structures, dp, implementation, sortings	1600	x5106
375A	Divisible by Seven math, number theory	1600	x4925
374E	Inna and Babies binary search, data structures, dsu, geometry, implementation	2600	x187
374D	Inna and Sequence binary search, data structures, dp, trees	2000	x894
374C	Inna and Dima dfs and similar, dp, graphs, implementation	1900	x2774
374B	Inna and Nine combinatorics, greedy	1500	x3344
374A	Inna and Pink Pony greedy, implementation	2000	x2971
373B	Making Sequences is Fun binary search, implementation, math	1600	x2507
373A	Collecting Beats is Fun implementation	900	x10803
372E	Drawing Circles is Fun combinatorics, geometry	3000	x176
372D	Choosing Subtree is Fun binary search, data structures, dfs and similar, trees, two pointers	2600	x1000
372C	Watching Fireworks is Fun data structures, dp, math	2100	x4270
372B	Counting Rectangles is Fun brute force, divide and conquer, dp	1900	x2670
372A	Counting Kangaroos is Fun binary search, greedy, sortings, two pointers	1600	x13399
371E	Subway Innovation greedy, math, two pointers	2000	x1322
371D	Vessels data structures, dsu, implementation, trees	1800	x5783
371C	Hamburgers binary search, brute force	1600	x27703
371B	Fox Dividing Cheese math, number theory	1300	x11631
371A	K-Periodic Array greedy, implementation, math	1000	x6182
370E	Summer Reading dp, greedy	2500	x302
370D	Broken Monitor brute force, constructive algorithms, greedy, implementation	2100	x646
370C	Mittens constructive algorithms, greedy, sortings	1800	x1599
370B	Berland Bingo implementation	1300	x2559
370A	Rook, Bishop and King graphs, math, shortest paths	1100	x10688
369E	Valera and Queries binary search, data structures	2200	x2279
369D	Valera and Fools dfs and similar, dp, graphs, shortest paths	2200	x1195
369C	Valera and Elections dfs and similar, graphs, trees	1600	x10465
369B	Valera and Contest constructive algorithms, implementation, math	1400	x6571
369A	Valera and Plates greedy, implementation	900	x11179
368B	Sereja and Suffixes data structures, dp	1100	x43400
368A	Sereja and Coat Rack implementation	1000	x7556
367E	Sereja and Intervals combinatorics, dp	2700	x1173
367D	Sereja and Sets bitmasks, dfs and similar	2400	x666
367C	Sereja and the Arrangement of Numbers graphs, greedy, sortings	2000	x1807
367B	Sereja ans Anagrams binary search, data structures	1900	x2485
367A	Sereja and Algorithm data structures, implementation	1500	x4340
366E	Dima and Magic Guitar brute force, implementation, math	2200	x788
366D	Dima and Trap Graph binary search, data structures, dfs and similar, dsu, shortest paths, two pointers	2000	x1577
366C	Dima and Salad dp	1900	x4988
366B	Dima and To-do List brute force, implementation	1200	x6863
366A	Dima and Guards implementation	1100	x4560
365B	The Fibonacci Segment implementation	1100	x14660
365A	Good Number implementation	1100	x19165
364E	Empty Rectangles divide and conquer, two pointers	3000	x598
364D	Ghd brute force, math, probabilities	2900	x2150
364C	Beautiful Set brute force, number theory	2300	x604
364B	Free Market dp, greedy	2200	x1189
364A	Matrix combinatorics, data structures, implementation	1600	x4740
363E	Two Circles brute force, data structures, implementation	2500	x214
363D	Renting Bikes binary search, greedy	1800	x4012
363C	Fixing Typos greedy, implementation	1400	x13462
363B	Fence brute force, dp	1100	x55533
363A	Soroban implementation	800	x10904
362E	Petya and Pipes flows, graphs, shortest paths	2300	x828
362D	Fools and Foolproof Roads data structures, dfs and similar, dsu, graphs, greedy	2100	x936
362C	Insertion Sort data structures, dp, implementation, math	1900	x1822
362B	Petya and Staircases implementation, sortings	1100	x14014
362A	Two Semiknights Meet greedy, math	1500	x2715
361B	Levko and Permutation constructive algorithms, math, number theory	1200	x8189
361A	Levko and Table constructive algorithms, implementation	800	x16984
360E	Levko and Game graphs, greedy, shortest paths	2800	x722
360D	Levko and Sets number theory	2600	x410
360C	Levko and Strings combinatorics, dp	2500	x1126
360B	Levko and Array binary search, dp	2000	x3061
360A	Levko and Array Recovery greedy, implementation	1700	x2090
359E	Neatness constructive algorithms, dfs and similar	2400	x484
359D	Pair of Numbers binary search, brute force, data structures, math, two pointers	2000	x5205
359C	Prime Number math, number theory	1900	x3212
359B	Permutation constructive algorithms, dp, math	1400	x8166
359A	Table constructive algorithms, greedy, implementation	1000	x8614
358E	Dima and Kicks brute force, dsu, graphs, implementation	2300	x400
358D	Dima and Hares dp, greedy	1800	x4117
358C	Dima and Containers constructive algorithms, greedy, implementation	2000	x2060
358B	Dima and Text Messages brute force, strings	1500	x3764
358A	Dima and Continuous Line brute force, implementation	1400	x7836
357B	Flag Day constructive algorithms, implementation	1400	x8255
357A	Group of Students brute force, greedy, implementation	1000	x6922
356E	Xenia and String Problem dp, hashing, implementation, string suffix structures, strings	3000	x410
356D	Bags and Coins bitmasks, constructive algorithms, dp, greedy	2700	x983
356C	Compartments combinatorics, constructive algorithms, greedy, implementation	2100	x1278
356B	Xenia and Hamming implementation, math	1900	x1960
356A	Knight Tournament data structures, dsu	1500	x14034
355B	Vasya and Public Transport greedy, implementation	1100	x4529
355A	Vasya and Digital Root constructive algorithms, implementation	1100	x9518
354E	Lucky Number Representation constructive algorithms, dfs and similar, dp	2200	x882
354D	Transferring Pyramid dp	2900	x466
354C	Vasya and Beautiful Arrays brute force, dp, number theory	2100	x3109
354B	Game with Strings bitmasks, dp, games	2400	x465
354A	Vasya and Robot brute force, greedy, math	1500	x5502
353E	Antichain dp, graph matchings, greedy	2200	x611
353D	Queue constructive algorithms, dp	2000	x2968
353C	Find Maximum implementation, math, number theory	1600	x4957
353B	Two Heaps combinatorics, constructive algorithms, greedy, implementation, math, sortings	1900	x2314
353A	Domino implementation, math	1200	x18826
352B	Jeff and Periods implementation, sortings	1300	x16806
352A	Jeff and Digits brute force, implementation, math	1000	x26251
351E	Jeff and Permutation greedy	2200	x1643
351D	Jeff and Removing Periods data structures	2700	x1134
351C	Jeff and Brackets dp, matrices	2500	x570
351B	Jeff and Furik combinatorics, dp, probabilities	1900	x2418