Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 1006 (Div. 3)
3 days
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
121D	Lucky Segments binary search, implementation, two pointers	2500	x291
121C	Lucky Permutation brute force, combinatorics, number theory	1900	x1298
121B	Lucky Transformation strings	1500	x2608
121A	Lucky Sum implementation	1100	x9454
120J	Minimum Sum divide and conquer, geometry, sortings	1900	x956
120I	Luck is in Numbers greedy	2200	x308
120H	Brevity is Soul of Wit graph matchings	1800	x1434
120G	Boom implementation	1800	x691
120F	Spiders dp, greedy, trees	1400	x3712
120E	Put Knight! games, math	1400	x2774
120D	Three Sons brute force	1400	x1951
120C	Winnie-the-Pooh and honey implementation, math	1100	x3721
120B	Quiz League implementation	1100	x3481
120A	Elevator brute force, implementation, math	1000	x4924
119E	Alternative Reality geometry	2400	x98
119D	String Transformation hashing, strings	2500	x531
119C	Education Reform dp	2000	x971
119B	Before Exam constructive algorithms, implementation, sortings	1900	x1087
119A	Epic Game implementation	800	x27786
118E	Bertown roads dfs and similar, graphs	2000	x6990
118D	Caesar's Legions dp	1700	x18030
118C	Fancy Number brute force, greedy, sortings, strings	1900	x2645
118B	Present from Lena constructive algorithms, implementation	1000	x30997
118A	String Task implementation, strings	1000	x202747
117E	Tree or not Tree data structures, divide and conquer, implementation, trees	2900	x361
117D	Not Quick Transformation divide and conquer, math	2500	x343
117C	Cycle dfs and similar, graphs	2000	x2696
117B	Very Interesting Game brute force, number theory	1800	x1633
117A	Elevator implementation, math	1300	x2041
116B	Little Pigs and Wolves greedy, implementation	1100	x13971
116A	Tram implementation	800	x151137
115E	Linear Kingdom Races data structures, dp	2400	x1727
115D	Unambiguous Arithmetic Expression dp, expression parsing	2600	x413
115C	Plumber math	2200	x617
115B	Lawnmower greedy, sortings	1500	x2642
115A	Party dfs and similar, graphs, trees	900	x36018
114B	PFAST Inc. bitmasks, brute force, graphs	1500	x3789
114A	Cifera math	1000	x14318
113E	Sleeping combinatorics, implementation, math	2700	x123
113D	Museum math, matrices, probabilities	2700	x692
113C	Double Happiness brute force, math, number theory	2200	x1294
113B	Petr# brute force, data structures, hashing, strings	2000	x2917
113A	Grammar Lessons implementation, strings	1600	x2321
112B	Petya and Square implementation, math	1200	x4251
112A	Petya and Strings implementation, strings	800	x240391
111E	Petya and Rectangle	2900	x71
111D	Petya and Coloring combinatorics, dp	2300	x802
111C	Petya and Spiders bitmasks, dp, dsu	2100	x1421
111B	Petya and Divisors binary search, data structures, number theory	1900	x3777
111A	Petya and Inequiations greedy	1400	x4843
110B	Lucky String constructive algorithms, strings	1100	x10372
110A	Nearly Lucky Number implementation	800	x166389
109E	Lucky Interval brute force, math	2700	x106
109D	Lucky Sorting constructive algorithms, sortings	2000	x830
109C	Lucky Tree dp, dsu, trees	1900	x3685
109B	Lucky Probability brute force, probabilities	1900	x1577
109A	Lucky Sum of Digits brute force, implementation	1000	x18149
108B	Datatypes math, sortings	1400	x2511
108A	Palindromic Times implementation, strings	1000	x9495
107E	Darts geometry, probabilities	2700	x142
107D	Crime Management dp, graphs, matrices	2400	x435
107C	Arrangement bitmasks, dp	2400	x398
107B	Basketball Team combinatorics, dp, math, probabilities	1600	x3620
107A	Dorm Water Supply dfs and similar, graphs	1400	x5231
106E	Space Rescuers geometry, ternary search	2100	x895
106D	Treasure Island brute force, implementation	1700	x1375
106C	Buns dp	1700	x6199
106B	Choosing Laptop brute force, implementation	1000	x6222
106A	Card Game implementation	1000	x7731
105E	Lift and Throw brute force	2500	x194
105D	Entertaining Geodetics brute force, dsu, implementation	2700	x142
105C	Item World brute force, implementation, sortings	2200	x347
105B	Dark Assembly brute force, probabilities	1800	x826
105A	Transmigration implementation	1700	x1848
104A	Blackjack implementation	800	x15745
103E	Buying Sets flows, graph matchings	2900	x909
103D	Time to Raid Cowavans brute force, data structures, sortings	2100	x2183
103C	Russian Roulette constructive algorithms, greedy	1900	x971
103B	Cthulhu dfs and similar, dsu, graphs	1500	x9216
103A	Testing Pants for Sadness greedy, implementation, math	1100	x6080
102B	Sum of Digits implementation	1000	x27895
102A	Clothes brute force	1200	x3074
101E	Candies and Stones divide and conquer, dp	2500	x526
101D	Castle dp, greedy, probabilities, sortings, trees	2300	x711
101C	Vectors implementation, math	2000	x710
101B	Buses binary search, data structures, dp	1700	x2670
101A	Homework greedy	1200	x3925
100J	Interval Coloring *special problem, greedy, math	2400	x66
100I	Rotation *special problem, geometry, math	1500	x401
100H	Battleship *special problem, dfs and similar, implementation	2100	x84
100G	Name the album *special problem, data structures, implementation	1800	x128
100F	Polynom *special problem, implementation	1800	x145
100E	Lamps in a Line *special problem, math	1600	x280
100D	World of Mouth *special problem, strings	1500	x314
100C	A+B *special problem, implementation	1400	x560
100B	Friendly Numbers *special problem, implementation	1500	x554
100A	Carpeting the Room *special problem, implementation	1100	x956
99B	Help Chef Gerasim implementation, sortings	1300	x3029
99A	Help Far Away Kingdom strings	800	x6887
98E	Help Shrek and Donkey dp, games, math, probabilities	2700	x488