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codeforces:476-A
codeforces
476-A
Dreamoon and Stairs
https://codeforces.com/problemset/problem/476/A
[ "implementation", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 52784 }
2026-08-10T02:20:32.917453+00:00
codeforces:475-F
codeforces
475-F
Meta-universe
https://codeforces.com/problemset/problem/475/F
[ "data structures" ]
null
null
stdin_stdout
2,900
{ "solved_count": 284 }
2026-08-10T02:20:32.917453+00:00
codeforces:475-E
codeforces
475-E
Strongly Connected City 2
https://codeforces.com/problemset/problem/475/E
[ "dfs and similar" ]
null
null
stdin_stdout
2,700
{ "solved_count": 718 }
2026-08-10T02:20:32.917453+00:00
codeforces:475-D
codeforces
475-D
CGCDSSQ
https://codeforces.com/problemset/problem/475/D
[ "brute force", "data structures", "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 6936 }
2026-08-10T02:20:32.917453+00:00
codeforces:475-C
codeforces
475-C
Kamal-ol-molk's Painting
https://codeforces.com/problemset/problem/475/C
[ "brute force", "constructive algorithms", "greedy" ]
null
null
stdin_stdout
2,100
{ "solved_count": 859 }
2026-08-10T02:20:32.917453+00:00
codeforces:475-B
codeforces
475-B
Strongly Connected City
https://codeforces.com/problemset/problem/475/B
[ "brute force", "dfs and similar", "graphs", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 9389 }
2026-08-10T02:20:32.917453+00:00
codeforces:475-A
codeforces
475-A
Bayan Bus
https://codeforces.com/problemset/problem/475/A
[ "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 4983 }
2026-08-10T02:20:32.917453+00:00
codeforces:474-F
codeforces
474-F
Ant colony
https://codeforces.com/problemset/problem/474/F
[ "data structures", "math", "number theory" ]
null
null
stdin_stdout
2,100
{ "solved_count": 12348 }
2026-08-10T02:20:32.917453+00:00
codeforces:474-E
codeforces
474-E
Pillars
https://codeforces.com/problemset/problem/474/E
[ "binary search", "data structures", "dp", "sortings", "trees" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4403 }
2026-08-10T02:20:32.917453+00:00
codeforces:474-D
codeforces
474-D
Flowers
https://codeforces.com/problemset/problem/474/D
[ "dp" ]
null
null
stdin_stdout
1,700
{ "solved_count": 31978 }
2026-08-10T02:20:32.917453+00:00
codeforces:474-C
codeforces
474-C
Captain Marmot
https://codeforces.com/problemset/problem/474/C
[ "brute force", "geometry" ]
null
null
stdin_stdout
2,000
{ "solved_count": 3432 }
2026-08-10T02:20:32.917453+00:00
codeforces:474-B
codeforces
474-B
Worms
https://codeforces.com/problemset/problem/474/B
[ "binary search", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 65982 }
2026-08-10T02:20:32.917453+00:00
codeforces:474-A
codeforces
474-A
Keyboard
https://codeforces.com/problemset/problem/474/A
[ "implementation" ]
null
null
stdin_stdout
900
{ "solved_count": 57020 }
2026-08-10T02:20:32.917453+00:00
codeforces:472-G
codeforces
472-G
Design Tutorial: Increase the Constraints
https://codeforces.com/problemset/problem/472/G
[ "bitmasks", "data structures", "fft" ]
null
null
stdin_stdout
2,800
{ "solved_count": 508 }
2026-08-10T02:20:32.917453+00:00
codeforces:472-F
codeforces
472-F
Design Tutorial: Change the Goal
https://codeforces.com/problemset/problem/472/F
[ "constructive algorithms", "math", "matrices" ]
null
null
stdin_stdout
2,700
{ "solved_count": 318 }
2026-08-10T02:20:32.917453+00:00
codeforces:472-E
codeforces
472-E
Design Tutorial: Learn from a Game
https://codeforces.com/problemset/problem/472/E
[ "constructive algorithms", "implementation" ]
null
null
stdin_stdout
2,800
{ "solved_count": 153 }
2026-08-10T02:20:32.917453+00:00
codeforces:472-D
codeforces
472-D
Design Tutorial: Inverse the Problem
https://codeforces.com/problemset/problem/472/D
[ "dfs and similar", "dsu", "shortest paths", "trees" ]
null
null
stdin_stdout
1,900
{ "solved_count": 6752 }
2026-08-10T02:20:32.917453+00:00
codeforces:472-C
codeforces
472-C
Design Tutorial: Make It Nondeterministic
https://codeforces.com/problemset/problem/472/C
[ "greedy" ]
null
null
stdin_stdout
1,400
{ "solved_count": 6543 }
2026-08-10T02:20:32.917453+00:00
codeforces:472-B
codeforces
472-B
Design Tutorial: Learn from Life
https://codeforces.com/problemset/problem/472/B
[]
null
null
stdin_stdout
1,300
{ "solved_count": 7673 }
2026-08-10T02:20:32.917453+00:00
codeforces:472-A
codeforces
472-A
Design Tutorial: Learn from Math
https://codeforces.com/problemset/problem/472/A
[ "math", "number theory" ]
null
null
stdin_stdout
800
{ "solved_count": 72165 }
2026-08-10T02:20:32.917453+00:00
codeforces:471-E
codeforces
471-E
MUH and Lots and Lots of Segments
https://codeforces.com/problemset/problem/471/E
[ "data structures", "dsu" ]
null
null
stdin_stdout
2,700
{ "solved_count": 131 }
2026-08-10T02:20:32.917453+00:00
codeforces:471-D
codeforces
471-D
MUH and Cube Walls
https://codeforces.com/problemset/problem/471/D
[ "string suffix structures", "strings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 10902 }
2026-08-10T02:20:32.917453+00:00
codeforces:471-C
codeforces
471-C
MUH and House of Cards
https://codeforces.com/problemset/problem/471/C
[ "binary search", "brute force", "greedy", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 3756 }
2026-08-10T02:20:32.917453+00:00
codeforces:471-B
codeforces
471-B
MUH and Important Things
https://codeforces.com/problemset/problem/471/B
[ "implementation", "sortings" ]
null
null
stdin_stdout
1,300
{ "solved_count": 6235 }
2026-08-10T02:20:32.917453+00:00
codeforces:471-A
codeforces
471-A
MUH and Sticks
https://codeforces.com/problemset/problem/471/A
[ "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 13830 }
2026-08-10T02:20:32.917453+00:00
codeforces:470-H
codeforces
470-H
Array Sorting
https://codeforces.com/problemset/problem/470/H
[ "*special" ]
null
null
stdin_stdout
2,300
{ "solved_count": 195 }
2026-08-10T02:20:32.917453+00:00
codeforces:470-G
codeforces
470-G
Hamming Distance
https://codeforces.com/problemset/problem/470/G
[ "*special" ]
null
null
stdin_stdout
2,300
{ "solved_count": 132 }
2026-08-10T02:20:32.917453+00:00
codeforces:470-F
codeforces
470-F
Pairwise Sums
https://codeforces.com/problemset/problem/470/F
[ "*special" ]
null
null
stdin_stdout
2,300
{ "solved_count": 115 }
2026-08-10T02:20:32.917453+00:00
codeforces:470-E
codeforces
470-E
Chessboard
https://codeforces.com/problemset/problem/470/E
[ "*special" ]
null
null
stdin_stdout
1,900
{ "solved_count": 206 }
2026-08-10T02:20:32.917453+00:00
codeforces:470-D
codeforces
470-D
Caesar Cipher
https://codeforces.com/problemset/problem/470/D
[ "*special" ]
null
null
stdin_stdout
1,900
{ "solved_count": 158 }
2026-08-10T02:20:32.917453+00:00
codeforces:470-C
codeforces
470-C
Eval
https://codeforces.com/problemset/problem/470/C
[ "*special" ]
null
null
stdin_stdout
1,900
{ "solved_count": 263 }
2026-08-10T02:20:32.917453+00:00
codeforces:470-B
codeforces
470-B
Hexakosioihexekontahexaphobia
https://codeforces.com/problemset/problem/470/B
[ "*special" ]
null
null
stdin_stdout
1,800
{ "solved_count": 272 }
2026-08-10T02:20:32.917453+00:00
codeforces:470-A
codeforces
470-A
Crystal Ball Sequence
https://codeforces.com/problemset/problem/470/A
[ "*special", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 697 }
2026-08-10T02:20:32.917453+00:00
codeforces:469-B
codeforces
469-B
Chat Online
https://codeforces.com/problemset/problem/469/B
[ "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 13443 }
2026-08-10T02:20:32.917453+00:00
codeforces:469-A
codeforces
469-A
I Wanna Be the Guy
https://codeforces.com/problemset/problem/469/A
[ "greedy", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 124816 }
2026-08-10T02:20:32.917453+00:00
codeforces:468-E
codeforces
468-E
Permanent
https://codeforces.com/problemset/problem/468/E
[ "dp", "graph matchings", "math", "meet-in-the-middle" ]
null
null
stdin_stdout
3,100
{ "solved_count": 529 }
2026-08-10T02:20:32.917453+00:00
codeforces:468-D
codeforces
468-D
Tree
https://codeforces.com/problemset/problem/468/D
[ "graph matchings" ]
null
null
stdin_stdout
3,100
{ "solved_count": 672 }
2026-08-10T02:20:32.917453+00:00
codeforces:468-C
codeforces
468-C
Hack it!
https://codeforces.com/problemset/problem/468/C
[ "binary search", "constructive algorithms", "math" ]
null
null
stdin_stdout
2,500
{ "solved_count": 2816 }
2026-08-10T02:20:32.917453+00:00
codeforces:468-B
codeforces
468-B
Two Sets
https://codeforces.com/problemset/problem/468/B
[ "2-sat", "dfs and similar", "dsu", "graph matchings", "greedy" ]
null
null
stdin_stdout
2,000
{ "solved_count": 5499 }
2026-08-10T02:20:32.917453+00:00
codeforces:468-A
codeforces
468-A
24 Game
https://codeforces.com/problemset/problem/468/A
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
1,500
{ "solved_count": 8609 }
2026-08-10T02:20:32.917453+00:00
codeforces:467-E
codeforces
467-E
Alex and Complicated Task
https://codeforces.com/problemset/problem/467/E
[ "data structures", "dp", "greedy" ]
null
null
stdin_stdout
2,300
{ "solved_count": 879 }
2026-08-10T02:20:32.917453+00:00
codeforces:467-D
codeforces
467-D
Fedor and Essay
https://codeforces.com/problemset/problem/467/D
[ "dfs and similar", "dp", "graphs", "hashing", "strings" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2089 }
2026-08-10T02:20:32.917453+00:00
codeforces:467-C
codeforces
467-C
George and Job
https://codeforces.com/problemset/problem/467/C
[ "dp", "implementation" ]
null
null
stdin_stdout
1,700
{ "solved_count": 17019 }
2026-08-10T02:20:32.917453+00:00
codeforces:467-B
codeforces
467-B
Fedor and New Game
https://codeforces.com/problemset/problem/467/B
[ "bitmasks", "brute force", "constructive algorithms", "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 43797 }
2026-08-10T02:20:32.917453+00:00
codeforces:467-A
codeforces
467-A
George and Accommodation
https://codeforces.com/problemset/problem/467/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 160956 }
2026-08-10T02:20:32.917453+00:00
codeforces:466-E
codeforces
466-E
Information Graph
https://codeforces.com/problemset/problem/466/E
[ "dfs and similar", "dsu", "graphs", "trees" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2711 }
2026-08-10T02:20:32.917453+00:00
codeforces:466-D
codeforces
466-D
Increase Sequence
https://codeforces.com/problemset/problem/466/D
[ "combinatorics", "dp" ]
null
null
stdin_stdout
2,100
{ "solved_count": 3925 }
2026-08-10T02:20:32.917453+00:00
codeforces:466-C
codeforces
466-C
Number of Ways
https://codeforces.com/problemset/problem/466/C
[ "binary search", "brute force", "data structures", "dp", "two pointers" ]
null
null
stdin_stdout
1,700
{ "solved_count": 42958 }
2026-08-10T02:20:32.917453+00:00
codeforces:466-B
codeforces
466-B
Wonder Room
https://codeforces.com/problemset/problem/466/B
[ "brute force", "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 5346 }
2026-08-10T02:20:32.917453+00:00
codeforces:466-A
codeforces
466-A
Cheap Travel
https://codeforces.com/problemset/problem/466/A
[ "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 79148 }
2026-08-10T02:20:32.917453+00:00
codeforces:465-B
codeforces
465-B
Inbox (100500)
https://codeforces.com/problemset/problem/465/B
[ "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 10929 }
2026-08-10T02:20:32.917453+00:00
codeforces:465-A
codeforces
465-A
inc ARG
https://codeforces.com/problemset/problem/465/A
[ "implementation" ]
null
null
stdin_stdout
900
{ "solved_count": 10496 }
2026-08-10T02:20:32.917453+00:00
codeforces:464-E
codeforces
464-E
The Classic Problem
https://codeforces.com/problemset/problem/464/E
[ "data structures", "graphs", "shortest paths" ]
null
null
stdin_stdout
3,000
{ "solved_count": 2007 }
2026-08-10T02:20:32.917453+00:00
codeforces:464-D
codeforces
464-D
World of Darkraft - 2
https://codeforces.com/problemset/problem/464/D
[ "dp", "probabilities" ]
null
null
stdin_stdout
2,700
{ "solved_count": 800 }
2026-08-10T02:20:32.917453+00:00
codeforces:464-C
codeforces
464-C
Substitutes in Number
https://codeforces.com/problemset/problem/464/C
[ "dp" ]
null
null
stdin_stdout
2,100
{ "solved_count": 1980 }
2026-08-10T02:20:32.917453+00:00
codeforces:464-B
codeforces
464-B
Restore Cube
https://codeforces.com/problemset/problem/464/B
[ "brute force", "geometry" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1802 }
2026-08-10T02:20:32.917453+00:00
codeforces:464-A
codeforces
464-A
No to Palindromes!
https://codeforces.com/problemset/problem/464/A
[ "greedy", "strings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 6272 }
2026-08-10T02:20:32.917453+00:00
codeforces:463-E
codeforces
463-E
Caisa and Tree
https://codeforces.com/problemset/problem/463/E
[ "brute force", "dfs and similar", "math", "number theory", "trees" ]
null
null
stdin_stdout
2,100
{ "solved_count": 1787 }
2026-08-10T02:20:32.917453+00:00
codeforces:463-D
codeforces
463-D
Gargari and Permutations
https://codeforces.com/problemset/problem/463/D
[ "dfs and similar", "dp", "graphs", "implementation" ]
null
null
stdin_stdout
1,900
{ "solved_count": 7454 }
2026-08-10T02:20:32.917453+00:00
codeforces:463-C
codeforces
463-C
Gargari and Bishops
https://codeforces.com/problemset/problem/463/C
[ "greedy", "hashing", "implementation" ]
null
null
stdin_stdout
1,900
{ "solved_count": 9270 }
2026-08-10T02:20:32.917453+00:00
codeforces:463-B
codeforces
463-B
Caisa and Pylons
https://codeforces.com/problemset/problem/463/B
[ "brute force", "implementation", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 30331 }
2026-08-10T02:20:32.917453+00:00
codeforces:463-A
codeforces
463-A
Caisa and Sugar
https://codeforces.com/problemset/problem/463/A
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 9616 }
2026-08-10T02:20:32.917453+00:00
codeforces:462-B
codeforces
462-B
Appleman and Card Game
https://codeforces.com/problemset/problem/462/B
[ "greedy" ]
null
null
stdin_stdout
1,300
{ "solved_count": 15718 }
2026-08-10T02:20:32.917453+00:00
codeforces:462-A
codeforces
462-A
Appleman and Easy Task
https://codeforces.com/problemset/problem/462/A
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 17974 }
2026-08-10T02:20:32.917453+00:00
codeforces:461-E
codeforces
461-E
Appleman and a Game
https://codeforces.com/problemset/problem/461/E
[ "binary search", "shortest paths", "strings" ]
null
null
stdin_stdout
3,000
{ "solved_count": 742 }
2026-08-10T02:20:32.917453+00:00
codeforces:461-D
codeforces
461-D
Appleman and Complicated Task
https://codeforces.com/problemset/problem/461/D
[ "dsu", "math" ]
null
null
stdin_stdout
2,800
{ "solved_count": 486 }
2026-08-10T02:20:32.917453+00:00
codeforces:461-C
codeforces
461-C
Appleman and a Sheet of Paper
https://codeforces.com/problemset/problem/461/C
[ "data structures", "implementation" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1423 }
2026-08-10T02:20:32.917453+00:00
codeforces:461-B
codeforces
461-B
Appleman and Tree
https://codeforces.com/problemset/problem/461/B
[ "dfs and similar", "dp", "trees" ]
null
null
stdin_stdout
2,000
{ "solved_count": 7345 }
2026-08-10T02:20:32.917453+00:00
codeforces:461-A
codeforces
461-A
Appleman and Toastman
https://codeforces.com/problemset/problem/461/A
[ "greedy", "sortings" ]
null
null
stdin_stdout
1,200
{ "solved_count": 16532 }
2026-08-10T02:20:32.917453+00:00
codeforces:460-E
codeforces
460-E
Roland and Rose
https://codeforces.com/problemset/problem/460/E
[ "brute force", "geometry", "math", "sortings" ]
null
null
stdin_stdout
2,700
{ "solved_count": 415 }
2026-08-10T02:20:32.917453+00:00
codeforces:460-D
codeforces
460-D
Little Victor and Set
https://codeforces.com/problemset/problem/460/D
[ "brute force", "constructive algorithms", "math" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1058 }
2026-08-10T02:20:32.917453+00:00
codeforces:460-C
codeforces
460-C
Present
https://codeforces.com/problemset/problem/460/C
[ "binary search", "data structures", "greedy" ]
null
null
stdin_stdout
1,700
{ "solved_count": 6897 }
2026-08-10T02:20:32.917453+00:00
codeforces:460-B
codeforces
460-B
Little Dima and Equation
https://codeforces.com/problemset/problem/460/B
[ "brute force", "implementation", "math", "number theory" ]
null
null
stdin_stdout
1,500
{ "solved_count": 13533 }
2026-08-10T02:20:32.917453+00:00
codeforces:460-A
codeforces
460-A
Vasya and Socks
https://codeforces.com/problemset/problem/460/A
[ "brute force", "implementation", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 52891 }
2026-08-10T02:20:32.917453+00:00
codeforces:459-E
codeforces
459-E
Pashmak and Graph
https://codeforces.com/problemset/problem/459/E
[ "dp", "sortings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 6032 }
2026-08-10T02:20:32.917453+00:00
codeforces:459-D
codeforces
459-D
Pashmak and Parmida's problem
https://codeforces.com/problemset/problem/459/D
[ "data structures", "divide and conquer", "sortings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 13361 }
2026-08-10T02:20:32.917453+00:00
codeforces:459-C
codeforces
459-C
Pashmak and Buses
https://codeforces.com/problemset/problem/459/C
[ "combinatorics", "constructive algorithms", "math" ]
null
null
stdin_stdout
1,900
{ "solved_count": 6519 }
2026-08-10T02:20:32.917453+00:00
codeforces:459-B
codeforces
459-B
Pashmak and Flowers
https://codeforces.com/problemset/problem/459/B
[ "combinatorics", "implementation", "sortings" ]
null
null
stdin_stdout
1,300
{ "solved_count": 48691 }
2026-08-10T02:20:32.917453+00:00
codeforces:459-A
codeforces
459-A
Pashmak and Garden
https://codeforces.com/problemset/problem/459/A
[ "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 36905 }
2026-08-10T02:20:32.917453+00:00
codeforces:457-F
codeforces
457-F
An easy problem about trees
https://codeforces.com/problemset/problem/457/F
[ "dp", "games", "greedy", "trees" ]
null
null
stdin_stdout
3,200
{ "solved_count": 128 }
2026-08-10T02:20:32.917453+00:00
codeforces:457-E
codeforces
457-E
Flow Optimality
https://codeforces.com/problemset/problem/457/E
[ "constructive algorithms", "flows", "math" ]
null
null
stdin_stdout
3,000
{ "solved_count": 134 }
2026-08-10T02:20:32.917453+00:00
codeforces:457-D
codeforces
457-D
Bingo!
https://codeforces.com/problemset/problem/457/D
[ "combinatorics", "math", "probabilities" ]
null
null
stdin_stdout
2,700
{ "solved_count": 430 }
2026-08-10T02:20:32.917453+00:00
codeforces:457-C
codeforces
457-C
Elections
https://codeforces.com/problemset/problem/457/C
[ "brute force" ]
null
null
stdin_stdout
2,100
{ "solved_count": 977 }
2026-08-10T02:20:32.917453+00:00
codeforces:457-B
codeforces
457-B
Distributed Join
https://codeforces.com/problemset/problem/457/B
[ "greedy" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1216 }
2026-08-10T02:20:32.917453+00:00
codeforces:457-A
codeforces
457-A
Golden System
https://codeforces.com/problemset/problem/457/A
[ "math", "meet-in-the-middle" ]
null
null
stdin_stdout
1,700
{ "solved_count": 1419 }
2026-08-10T02:20:32.917453+00:00
codeforces:456-B
codeforces
456-B
Fedya and Maths
https://codeforces.com/problemset/problem/456/B
[ "math", "number theory" ]
null
null
stdin_stdout
1,200
{ "solved_count": 18924 }
2026-08-10T02:20:32.917453+00:00
codeforces:456-A
codeforces
456-A
Laptops
https://codeforces.com/problemset/problem/456/A
[ "sortings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 58490 }
2026-08-10T02:20:32.917453+00:00
codeforces:455-E
codeforces
455-E
Function
https://codeforces.com/problemset/problem/455/E
[ "data structures" ]
null
null
stdin_stdout
2,900
{ "solved_count": 839 }
2026-08-10T02:20:32.917453+00:00
codeforces:455-D
codeforces
455-D
Serega and Fun
https://codeforces.com/problemset/problem/455/D
[ "data structures" ]
null
null
stdin_stdout
2,700
{ "solved_count": 3867 }
2026-08-10T02:20:32.917453+00:00
codeforces:455-C
codeforces
455-C
Civilization
https://codeforces.com/problemset/problem/455/C
[ "dfs and similar", "dp", "dsu", "ternary search", "trees" ]
null
null
stdin_stdout
2,100
{ "solved_count": 6629 }
2026-08-10T02:20:32.917453+00:00
codeforces:455-B
codeforces
455-B
A Lot of Games
https://codeforces.com/problemset/problem/455/B
[ "dfs and similar", "dp", "games", "implementation", "strings", "trees" ]
null
null
stdin_stdout
1,900
{ "solved_count": 7133 }
2026-08-10T02:20:32.917453+00:00
codeforces:455-A
codeforces
455-A
Boredom
https://codeforces.com/problemset/problem/455/A
[ "dp" ]
null
null
stdin_stdout
1,500
{ "solved_count": 74900 }
2026-08-10T02:20:32.917453+00:00
codeforces:454-B
codeforces
454-B
Little Pony and Sort by Shift
https://codeforces.com/problemset/problem/454/B
[ "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 19271 }
2026-08-10T02:20:32.917453+00:00
codeforces:454-A
codeforces
454-A
Little Pony and Crystal Mine
https://codeforces.com/problemset/problem/454/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 16257 }
2026-08-10T02:20:32.917453+00:00
codeforces:453-E
codeforces
453-E
Little Pony and Lord Tirek
https://codeforces.com/problemset/problem/453/E
[ "data structures" ]
null
null
stdin_stdout
3,100
{ "solved_count": 1038 }
2026-08-10T02:20:32.917453+00:00
codeforces:453-D
codeforces
453-D
Little Pony and Elements of Harmony
https://codeforces.com/problemset/problem/453/D
[ "dp", "matrices" ]
null
null
stdin_stdout
3,000
{ "solved_count": 685 }
2026-08-10T02:20:32.917453+00:00
codeforces:453-C
codeforces
453-C
Little Pony and Summer Sun Celebration
https://codeforces.com/problemset/problem/453/C
[ "constructive algorithms", "dfs and similar", "graphs" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1831 }
2026-08-10T02:20:32.917453+00:00
codeforces:453-B
codeforces
453-B
Little Pony and Harmony Chest
https://codeforces.com/problemset/problem/453/B
[ "bitmasks", "brute force", "dp" ]
null
null
stdin_stdout
2,000
{ "solved_count": 5602 }
2026-08-10T02:20:32.917453+00:00
codeforces:453-A
codeforces
453-A
Little Pony and Expected Maximum
https://codeforces.com/problemset/problem/453/A
[ "probabilities" ]
null
null
stdin_stdout
1,600
{ "solved_count": 12897 }
2026-08-10T02:20:32.917453+00:00
codeforces:452-F
codeforces
452-F
Permutation
https://codeforces.com/problemset/problem/452/F
[ "data structures", "divide and conquer", "hashing" ]
null
null
stdin_stdout
2,700
{ "solved_count": 1857 }
2026-08-10T02:20:32.917453+00:00