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codeforces:2127-F
codeforces
2127-F
Hamed and AghaBalaSar
https://codeforces.com/problemset/problem/2127/F
[ "brute force", "combinatorics", "dp", "math", "probabilities" ]
null
null
stdin_stdout
2,800
{ "solved_count": 1049 }
2026-04-13T03:38:27.662191+00:00
codeforces:2127-E
codeforces
2127-E
Ancient Tree
https://codeforces.com/problemset/problem/2127/E
[ "constructive algorithms", "data structures", "dfs and similar", "dsu", "greedy", "trees" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2712 }
2026-04-13T03:38:27.662191+00:00
codeforces:2127-D
codeforces
2127-D
Root was Built by Love, Broken by Destiny
https://codeforces.com/problemset/problem/2127/D
[ "combinatorics", "dfs and similar", "graphs", "trees" ]
null
null
stdin_stdout
1,800
{ "solved_count": 6149 }
2026-04-13T03:38:27.662191+00:00
codeforces:2127-C
codeforces
2127-C
Trip Shopping
https://codeforces.com/problemset/problem/2127/C
[ "games", "greedy", "sortings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 12277 }
2026-04-13T03:38:27.662191+00:00
codeforces:2127-B
codeforces
2127-B
Hamiiid, Haaamid... Hamid?
https://codeforces.com/problemset/problem/2127/B
[ "games", "greedy" ]
null
null
stdin_stdout
1,300
{ "solved_count": 13404 }
2026-04-13T03:38:27.662191+00:00
codeforces:2127-A
codeforces
2127-A
Mix Mex Max
https://codeforces.com/problemset/problem/2127/A
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 19545 }
2026-04-13T03:38:27.662191+00:00
codeforces:2126-G2
codeforces
2126-G2
Big Wins! (hard version)
https://codeforces.com/problemset/problem/2126/G2
[ "binary search", "data structures", "divide and conquer", "dsu", "trees", "two pointers" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1146 }
2026-04-13T03:38:27.662191+00:00
codeforces:2126-G1
codeforces
2126-G1
Big Wins! (easy version)
https://codeforces.com/problemset/problem/2126/G1
[ "binary search", "data structures", "dp", "dsu", "two pointers" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2465 }
2026-04-13T03:38:27.662191+00:00
codeforces:2126-F
codeforces
2126-F
1-1-1, Free Tree!
https://codeforces.com/problemset/problem/2126/F
[ "brute force", "data structures", "dfs and similar", "graphs", "implementation", "trees" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4262 }
2026-04-13T03:38:27.662191+00:00
codeforces:2126-E
codeforces
2126-E
G-C-D, Unlucky!
https://codeforces.com/problemset/problem/2126/E
[ "math", "number theory" ]
null
null
stdin_stdout
1,400
{ "solved_count": 16892 }
2026-04-13T03:38:27.662191+00:00
codeforces:2126-D
codeforces
2126-D
This Is the Last Time
https://codeforces.com/problemset/problem/2126/D
[ "data structures", "greedy", "sortings" ]
null
null
stdin_stdout
1,200
{ "solved_count": 23827 }
2026-04-13T03:38:27.662191+00:00
codeforces:2126-C
codeforces
2126-C
I Will Definitely Make It
https://codeforces.com/problemset/problem/2126/C
[ "greedy", "sortings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 26134 }
2026-04-13T03:38:27.662191+00:00
codeforces:2126-B
codeforces
2126-B
No Casino in the Mountains
https://codeforces.com/problemset/problem/2126/B
[ "dp", "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 37463 }
2026-04-13T03:38:27.662191+00:00
codeforces:2126-A
codeforces
2126-A
Only One Digit
https://codeforces.com/problemset/problem/2126/A
[ "brute force", "implementation", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 50703 }
2026-04-13T03:38:27.662191+00:00
codeforces:2125-F
codeforces
2125-F
Timofey and Docker
https://codeforces.com/problemset/problem/2125/F
[ "binary search", "divide and conquer", "dp" ]
null
null
stdin_stdout
3,000
{ "solved_count": 393 }
2026-04-13T03:38:27.662191+00:00
codeforces:2125-E
codeforces
2125-E
Sets of Complementary Sums
https://codeforces.com/problemset/problem/2125/E
[ "brute force", "combinatorics", "dp", "math", "two pointers" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1402 }
2026-04-13T03:38:27.662191+00:00
codeforces:2125-D
codeforces
2125-D
Segments Covering
https://codeforces.com/problemset/problem/2125/D
[ "dp", "math", "probabilities" ]
null
null
stdin_stdout
1,600
{ "solved_count": 9204 }
2026-04-13T03:38:27.662191+00:00
codeforces:2125-C
codeforces
2125-C
Count Good Numbers
https://codeforces.com/problemset/problem/2125/C
[ "bitmasks", "combinatorics", "math", "number theory" ]
null
null
stdin_stdout
1,100
{ "solved_count": 22586 }
2026-04-13T03:38:27.662191+00:00
codeforces:2125-B
codeforces
2125-B
Left and Down
https://codeforces.com/problemset/problem/2125/B
[ "math", "number theory" ]
null
null
stdin_stdout
900
{ "solved_count": 27143 }
2026-04-13T03:38:27.662191+00:00
codeforces:2125-A
codeforces
2125-A
Difficult Contest
https://codeforces.com/problemset/problem/2125/A
[ "constructive algorithms", "implementation", "sortings", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 27847 }
2026-04-13T03:38:27.662191+00:00
codeforces:2124-I
codeforces
2124-I
Lexicographic Partition
https://codeforces.com/problemset/problem/2124/I
[ "constructive algorithms", "math", "trees" ]
null
null
stdin_stdout
3,500
{ "solved_count": 187 }
2026-04-13T03:38:27.662191+00:00
codeforces:2124-H
codeforces
2124-H
Longest Good Subsequence
https://codeforces.com/problemset/problem/2124/H
[ "dp", "math", "trees" ]
null
null
stdin_stdout
3,400
{ "solved_count": 186 }
2026-04-13T03:38:27.662191+00:00
codeforces:2124-G
codeforces
2124-G
Maximise Sum
https://codeforces.com/problemset/problem/2124/G
[ "binary search", "data structures" ]
null
null
stdin_stdout
3,200
{ "solved_count": 296 }
2026-04-13T03:38:27.662191+00:00
codeforces:2124-F2
codeforces
2124-F2
Appending Permutations (Hard Version)
https://codeforces.com/problemset/problem/2124/F2
[ "combinatorics", "dp" ]
null
null
stdin_stdout
2,800
{ "solved_count": 563 }
2026-04-13T03:38:27.662191+00:00
codeforces:2124-F1
codeforces
2124-F1
Appending Permutations (Easy Version)
https://codeforces.com/problemset/problem/2124/F1
[ "combinatorics", "dp" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1536 }
2026-04-13T03:38:27.662191+00:00
codeforces:2124-E
codeforces
2124-E
Make it Zero
https://codeforces.com/problemset/problem/2124/E
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
2,100
{ "solved_count": 3794 }
2026-04-13T03:38:27.662191+00:00
codeforces:2124-D
codeforces
2124-D
Make a Palindrome
https://codeforces.com/problemset/problem/2124/D
[ "greedy", "sortings", "two pointers" ]
null
null
stdin_stdout
1,700
{ "solved_count": 8037 }
2026-04-13T03:38:27.662191+00:00
codeforces:2124-C
codeforces
2124-C
Subset Multiplication
https://codeforces.com/problemset/problem/2124/C
[ "constructive algorithms", "greedy", "math", "number theory" ]
null
null
stdin_stdout
1,300
{ "solved_count": 14449 }
2026-04-13T03:38:27.662191+00:00
codeforces:2124-B
codeforces
2124-B
Minimise Sum
https://codeforces.com/problemset/problem/2124/B
[ "greedy" ]
null
null
stdin_stdout
1,000
{ "solved_count": 20091 }
2026-04-13T03:38:27.662191+00:00
codeforces:2124-A
codeforces
2124-A
Deranged Deletions
https://codeforces.com/problemset/problem/2124/A
[ "greedy", "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 19117 }
2026-04-13T03:38:27.662191+00:00
codeforces:2123-G
codeforces
2123-G
Modular Sorting
https://codeforces.com/problemset/problem/2123/G
[ "brute force", "data structures", "greedy", "math", "number theory", "sortings" ]
null
null
stdin_stdout
2,100
{ "solved_count": 3211 }
2026-04-13T03:38:27.662191+00:00
codeforces:2123-F
codeforces
2123-F
Minimize Fixed Points
https://codeforces.com/problemset/problem/2123/F
[ "constructive algorithms", "number theory" ]
null
null
stdin_stdout
1,700
{ "solved_count": 9699 }
2026-04-13T03:38:27.662191+00:00
codeforces:2123-E
codeforces
2123-E
MEX Count
https://codeforces.com/problemset/problem/2123/E
[ "binary search", "data structures", "greedy", "sortings", "two pointers" ]
null
null
stdin_stdout
1,400
{ "solved_count": 14791 }
2026-04-13T03:38:27.662191+00:00
codeforces:2123-D
codeforces
2123-D
Binary String Battle
https://codeforces.com/problemset/problem/2123/D
[ "constructive algorithms", "games", "greedy" ]
null
null
stdin_stdout
1,200
{ "solved_count": 21711 }
2026-04-13T03:38:27.662191+00:00
codeforces:2123-C
codeforces
2123-C
Prefix Min and Suffix Max
https://codeforces.com/problemset/problem/2123/C
[ "brute force", "data structures" ]
null
null
stdin_stdout
1,000
{ "solved_count": 30679 }
2026-04-13T03:38:27.662191+00:00
codeforces:2123-B
codeforces
2123-B
Tournament
https://codeforces.com/problemset/problem/2123/B
[ "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 34720 }
2026-04-13T03:38:27.662191+00:00
codeforces:2123-A
codeforces
2123-A
Blackboard Game
https://codeforces.com/problemset/problem/2123/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 41462 }
2026-04-13T03:38:27.662191+00:00
codeforces:2122-G
codeforces
2122-G
Tree Parking
https://codeforces.com/problemset/problem/2122/G
[ "combinatorics", "fft", "math", "trees" ]
null
null
stdin_stdout
3,300
{ "solved_count": 286 }
2026-04-13T03:38:27.662191+00:00
codeforces:2122-F
codeforces
2122-F
Colorful Polygon
https://codeforces.com/problemset/problem/2122/F
[ "constructive algorithms", "divide and conquer", "geometry" ]
null
null
stdin_stdout
3,400
{ "solved_count": 128 }
2026-04-13T03:38:27.662191+00:00
codeforces:2122-E
codeforces
2122-E
Greedy Grid Counting
https://codeforces.com/problemset/problem/2122/E
[ "combinatorics", "dp", "greedy", "math" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1052 }
2026-04-13T03:38:27.662191+00:00
codeforces:2122-D
codeforces
2122-D
Traffic Lights
https://codeforces.com/problemset/problem/2122/D
[ "brute force", "data structures", "divide and conquer", "dp", "graphs", "greedy", "shortest paths" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2454 }
2026-04-13T03:38:27.662191+00:00
codeforces:2122-C
codeforces
2122-C
Manhattan Pairs
https://codeforces.com/problemset/problem/2122/C
[ "constructive algorithms", "geometry", "greedy", "math", "sortings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 8305 }
2026-04-13T03:38:27.662191+00:00
codeforces:2122-B
codeforces
2122-B
Pile Shuffling
https://codeforces.com/problemset/problem/2122/B
[ "greedy", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 15126 }
2026-04-13T03:38:27.662191+00:00
codeforces:2122-A
codeforces
2122-A
Greedy Grid
https://codeforces.com/problemset/problem/2122/A
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 19132 }
2026-04-13T03:38:27.662191+00:00
codeforces:2121-H
codeforces
2121-H
Ice Baby
https://codeforces.com/problemset/problem/2121/H
[ "binary search", "brute force", "data structures", "dp", "implementation", "sortings" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2201 }
2026-04-13T03:38:27.662191+00:00
codeforces:2121-G
codeforces
2121-G
Gangsta
https://codeforces.com/problemset/problem/2121/G
[ "data structures", "divide and conquer", "math", "sortings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 5317 }
2026-04-13T03:38:27.662191+00:00
codeforces:2121-F
codeforces
2121-F
Yamakasi
https://codeforces.com/problemset/problem/2121/F
[ "binary search", "brute force", "data structures", "greedy", "two pointers" ]
null
null
stdin_stdout
1,800
{ "solved_count": 8033 }
2026-04-13T03:38:27.662191+00:00
codeforces:2121-E
codeforces
2121-E
Sponsor of Your Problems
https://codeforces.com/problemset/problem/2121/E
[ "dp", "greedy", "implementation", "strings" ]
null
null
stdin_stdout
1,500
{ "solved_count": 14569 }
2026-04-13T03:38:27.662191+00:00
codeforces:2121-D
codeforces
2121-D
1709
https://codeforces.com/problemset/problem/2121/D
[ "implementation", "sortings" ]
null
null
stdin_stdout
1,300
{ "solved_count": 18114 }
2026-04-13T03:38:27.662191+00:00
codeforces:2121-C
codeforces
2121-C
Those Who Are With Us
https://codeforces.com/problemset/problem/2121/C
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 21585 }
2026-04-13T03:38:27.662191+00:00
codeforces:2121-B
codeforces
2121-B
Above the Clouds
https://codeforces.com/problemset/problem/2121/B
[ "constructive algorithms", "greedy", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 32384 }
2026-04-13T03:38:27.662191+00:00
codeforces:2121-A
codeforces
2121-A
Letter Home
https://codeforces.com/problemset/problem/2121/A
[ "brute force", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 39060 }
2026-04-13T03:38:27.662191+00:00
codeforces:2120-G
codeforces
2120-G
Eulerian Line Graph
https://codeforces.com/problemset/problem/2120/G
[ "graphs", "greedy", "math" ]
null
null
stdin_stdout
3,000
{ "solved_count": 107 }
2026-04-13T03:38:27.662191+00:00
codeforces:2120-F
codeforces
2120-F
Superb Graphs
https://codeforces.com/problemset/problem/2120/F
[ "2-sat", "graphs" ]
null
null
stdin_stdout
2,600
{ "solved_count": 450 }
2026-04-13T03:38:27.662191+00:00
codeforces:2120-E
codeforces
2120-E
Lanes of Cars
https://codeforces.com/problemset/problem/2120/E
[ "binary search", "dp", "ternary search" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1828 }
2026-04-13T03:38:27.662191+00:00
codeforces:2120-D
codeforces
2120-D
Matrix game
https://codeforces.com/problemset/problem/2120/D
[ "combinatorics", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 5709 }
2026-04-13T03:38:27.662191+00:00
codeforces:2120-C
codeforces
2120-C
Divine Tree
https://codeforces.com/problemset/problem/2120/C
[ "constructive algorithms", "greedy", "math", "sortings", "trees" ]
null
null
stdin_stdout
1,400
{ "solved_count": 12452 }
2026-04-13T03:38:27.662191+00:00
codeforces:2120-B
codeforces
2120-B
Square Pool
https://codeforces.com/problemset/problem/2120/B
[ "geometry" ]
null
null
stdin_stdout
1,000
{ "solved_count": 17601 }
2026-04-13T03:38:27.662191+00:00
codeforces:2120-A
codeforces
2120-A
Square of Rectangles
https://codeforces.com/problemset/problem/2120/A
[ "geometry", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 20186 }
2026-04-13T03:38:27.662191+00:00
codeforces:2119-F
codeforces
2119-F
Volcanic Eruptions
https://codeforces.com/problemset/problem/2119/F
[ "dfs and similar", "dp", "greedy", "shortest paths", "trees" ]
null
null
stdin_stdout
3,300
{ "solved_count": 169 }
2026-04-13T03:38:27.662191+00:00
codeforces:2119-E
codeforces
2119-E
And Constraint
https://codeforces.com/problemset/problem/2119/E
[ "bitmasks", "dp", "greedy" ]
null
null
stdin_stdout
2,600
{ "solved_count": 691 }
2026-04-13T03:38:27.662191+00:00
codeforces:2119-D
codeforces
2119-D
Token Removing
https://codeforces.com/problemset/problem/2119/D
[ "combinatorics", "dp", "math" ]
null
null
stdin_stdout
2,100
{ "solved_count": 3405 }
2026-04-13T03:38:27.662191+00:00
codeforces:2119-C
codeforces
2119-C
A Good Problem
https://codeforces.com/problemset/problem/2119/C
[ "bitmasks", "constructive algorithms", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 16126 }
2026-04-13T03:38:27.662191+00:00
codeforces:2119-B
codeforces
2119-B
Line Segments
https://codeforces.com/problemset/problem/2119/B
[ "geometry", "greedy", "math" ]
null
null
stdin_stdout
1,200
{ "solved_count": 18139 }
2026-04-13T03:38:27.662191+00:00
codeforces:2119-A
codeforces
2119-A
Add or XOR
https://codeforces.com/problemset/problem/2119/A
[ "bitmasks", "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 27009 }
2026-04-13T03:38:27.662191+00:00
codeforces:2118-F
codeforces
2118-F
Shifts and Swaps
https://codeforces.com/problemset/problem/2118/F
[ "data structures", "graphs", "hashing", "trees" ]
null
null
stdin_stdout
3,100
{ "solved_count": 277 }
2026-04-13T03:38:27.662191+00:00
codeforces:2118-E
codeforces
2118-E
Grid Coloring
https://codeforces.com/problemset/problem/2118/E
[ "constructive algorithms", "geometry", "greedy", "math" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1410 }
2026-04-13T03:38:27.662191+00:00
codeforces:2118-D2
codeforces
2118-D2
Red Light, Green Light (Hard version)
https://codeforces.com/problemset/problem/2118/D2
[ "binary search", "brute force", "data structures", "dfs and similar", "dp", "graphs", "implementation", "math", "number theory" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2476 }
2026-04-13T03:38:27.662191+00:00
codeforces:2118-D1
codeforces
2118-D1
Red Light, Green Light (Easy version)
https://codeforces.com/problemset/problem/2118/D1
[ "brute force", "dfs and similar", "dp", "graphs", "implementation", "number theory" ]
null
null
stdin_stdout
1,700
{ "solved_count": 8389 }
2026-04-13T03:38:27.662191+00:00
codeforces:2118-C
codeforces
2118-C
Make It Beautiful
https://codeforces.com/problemset/problem/2118/C
[ "bitmasks", "data structures", "greedy", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 18313 }
2026-04-13T03:38:27.662191+00:00
codeforces:2118-B
codeforces
2118-B
Make It Permutation
https://codeforces.com/problemset/problem/2118/B
[ "constructive algorithms" ]
null
null
stdin_stdout
1,200
{ "solved_count": 19918 }
2026-04-13T03:38:27.662191+00:00
codeforces:2118-A
codeforces
2118-A
Equal Subsequences
https://codeforces.com/problemset/problem/2118/A
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 29010 }
2026-04-13T03:38:27.662191+00:00
codeforces:2117-H
codeforces
2117-H
Incessant Rain
https://codeforces.com/problemset/problem/2117/H
[ "data structures", "divide and conquer", "sortings" ]
null
null
stdin_stdout
2,500
{ "solved_count": 970 }
2026-04-13T03:38:27.662191+00:00
codeforces:2117-G
codeforces
2117-G
Omg Graph
https://codeforces.com/problemset/problem/2117/G
[ "brute force", "dsu", "graphs", "greedy", "shortest paths", "sortings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 5102 }
2026-04-13T03:38:27.662191+00:00
codeforces:2117-F
codeforces
2117-F
Wildflower
https://codeforces.com/problemset/problem/2117/F
[ "combinatorics", "dfs and similar", "trees" ]
null
null
stdin_stdout
1,800
{ "solved_count": 5898 }
2026-04-13T03:38:27.662191+00:00
codeforces:2117-E
codeforces
2117-E
Lost Soul
https://codeforces.com/problemset/problem/2117/E
[ "brute force", "greedy" ]
null
null
stdin_stdout
1,600
{ "solved_count": 11760 }
2026-04-13T03:38:27.662191+00:00
codeforces:2117-D
codeforces
2117-D
Retaliation
https://codeforces.com/problemset/problem/2117/D
[ "binary search", "math", "number theory" ]
null
null
stdin_stdout
1,200
{ "solved_count": 21957 }
2026-04-13T03:38:27.662191+00:00
codeforces:2117-C
codeforces
2117-C
Cool Partition
https://codeforces.com/problemset/problem/2117/C
[ "data structures", "greedy" ]
null
null
stdin_stdout
1,200
{ "solved_count": 20922 }
2026-04-13T03:38:27.662191+00:00
codeforces:2117-B
codeforces
2117-B
Shrink
https://codeforces.com/problemset/problem/2117/B
[ "constructive algorithms" ]
null
null
stdin_stdout
800
{ "solved_count": 32028 }
2026-04-13T03:38:27.662191+00:00
codeforces:2117-A
codeforces
2117-A
False Alarm
https://codeforces.com/problemset/problem/2117/A
[ "greedy", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 37778 }
2026-04-13T03:38:27.662191+00:00
codeforces:2116-B
codeforces
2116-B
Gellyfish and Baby's Breath
https://codeforces.com/problemset/problem/2116/B
[ "greedy", "math", "sortings" ]
null
null
stdin_stdout
1,300
{ "solved_count": 17447 }
2026-04-13T03:38:27.662191+00:00
codeforces:2116-A
codeforces
2116-A
Gellyfish and Tricolor Pansy
https://codeforces.com/problemset/problem/2116/A
[ "games", "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 26827 }
2026-04-13T03:38:27.662191+00:00
codeforces:2115-F2
codeforces
2115-F2
Gellyfish and Lycoris Radiata (Hard Version)
https://codeforces.com/problemset/problem/2115/F2
[ "data structures" ]
null
null
stdin_stdout
3,500
{ "solved_count": 108 }
2026-04-13T03:38:27.662191+00:00
codeforces:2115-F1
codeforces
2115-F1
Gellyfish and Lycoris Radiata (Easy Version)
https://codeforces.com/problemset/problem/2115/F1
[ "data structures" ]
null
null
stdin_stdout
3,500
{ "solved_count": 118 }
2026-04-13T03:38:27.662191+00:00
codeforces:2115-E
codeforces
2115-E
Gellyfish and Mayflower
https://codeforces.com/problemset/problem/2115/E
[ "dp", "graphs" ]
null
null
stdin_stdout
3,500
{ "solved_count": 235 }
2026-04-13T03:38:27.662191+00:00
codeforces:2115-D
codeforces
2115-D
Gellyfish and Forget-Me-Not
https://codeforces.com/problemset/problem/2115/D
[ "bitmasks", "dp", "games", "greedy", "math" ]
null
null
stdin_stdout
2,900
{ "solved_count": 1047 }
2026-04-13T03:38:27.662191+00:00
codeforces:2115-C
codeforces
2115-C
Gellyfish and Eternal Violet
https://codeforces.com/problemset/problem/2115/C
[ "combinatorics", "dp", "greedy", "math", "probabilities" ]
null
null
stdin_stdout
2,700
{ "solved_count": 898 }
2026-04-13T03:38:27.662191+00:00
codeforces:2115-B
codeforces
2115-B
Gellyfish and Camellia Japonica
https://codeforces.com/problemset/problem/2115/B
[ "brute force", "constructive algorithms", "dfs and similar", "dp", "graphs", "greedy", "trees" ]
null
null
stdin_stdout
2,100
{ "solved_count": 3937 }
2026-04-13T03:38:27.662191+00:00
codeforces:2115-A
codeforces
2115-A
Gellyfish and Flaming Peony
https://codeforces.com/problemset/problem/2115/A
[ "constructive algorithms", "dp", "math", "number theory" ]
null
null
stdin_stdout
1,500
{ "solved_count": 14781 }
2026-04-13T03:38:27.662191+00:00
codeforces:2114-G
codeforces
2114-G
Build an Array
https://codeforces.com/problemset/problem/2114/G
[ "brute force", "constructive algorithms", "dp", "greedy", "math", "number theory" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2023 }
2026-04-13T03:38:27.662191+00:00
codeforces:2114-F
codeforces
2114-F
Small Operations
https://codeforces.com/problemset/problem/2114/F
[ "binary search", "brute force", "dfs and similar", "dp", "math", "number theory", "sortings" ]
null
null
stdin_stdout
2,000
{ "solved_count": 5471 }
2026-04-13T03:38:27.662191+00:00
codeforces:2114-E
codeforces
2114-E
Kirei Attacks the Estate
https://codeforces.com/problemset/problem/2114/E
[ "dfs and similar", "dp", "greedy", "trees" ]
null
null
stdin_stdout
1,400
{ "solved_count": 13905 }
2026-04-13T03:38:27.662191+00:00
codeforces:2114-D
codeforces
2114-D
Come a Little Closer
https://codeforces.com/problemset/problem/2114/D
[ "brute force", "greedy", "implementation", "math" ]
null
null
stdin_stdout
1,400
{ "solved_count": 14552 }
2026-04-13T03:38:27.662191+00:00
codeforces:2114-C
codeforces
2114-C
Need More Arrays
https://codeforces.com/problemset/problem/2114/C
[ "dp", "greedy" ]
null
null
stdin_stdout
1,000
{ "solved_count": 30734 }
2026-04-13T03:38:27.662191+00:00
codeforces:2114-B
codeforces
2114-B
Not Quite a Palindromic String
https://codeforces.com/problemset/problem/2114/B
[ "greedy", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 30379 }
2026-04-13T03:38:27.662191+00:00
codeforces:2114-A
codeforces
2114-A
Square Year
https://codeforces.com/problemset/problem/2114/A
[ "binary search", "brute force", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 42881 }
2026-04-13T03:38:27.662191+00:00
codeforces:2113-F
codeforces
2113-F
Two Arrays
https://codeforces.com/problemset/problem/2113/F
[ "constructive algorithms", "dfs and similar", "graphs", "math" ]
null
null
stdin_stdout
2,500
{ "solved_count": 947 }
2026-04-13T03:38:27.662191+00:00
codeforces:2113-E
codeforces
2113-E
From Kazan with Love
https://codeforces.com/problemset/problem/2113/E
[ "dfs and similar", "graphs", "implementation", "trees" ]
null
null
stdin_stdout
2,800
{ "solved_count": 401 }
2026-04-13T03:38:27.662191+00:00
codeforces:2113-D
codeforces
2113-D
Cheater
https://codeforces.com/problemset/problem/2113/D
[ "binary search", "constructive algorithms", "greedy", "implementation" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2847 }
2026-04-13T03:38:27.662191+00:00
codeforces:2113-C
codeforces
2113-C
Smilo and Minecraft
https://codeforces.com/problemset/problem/2113/C
[ "brute force", "constructive algorithms", "greedy" ]
null
null
stdin_stdout
1,700
{ "solved_count": 7919 }
2026-04-13T03:38:27.662191+00:00