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3.5k
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2 values
codeforces:2082-B
codeforces
2082-B
Floor or Ceil
https://codeforces.com/problemset/problem/2082/B
[ "brute force", "greedy" ]
null
null
stdin_stdout
1,600
{ "solved_count": 8805 }
2026-10-26T04:20:41.456672+00:00
codeforces:2082-A
codeforces
2082-A
Binary Matrix
https://codeforces.com/problemset/problem/2082/A
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 11397 }
2026-10-26T04:20:41.456672+00:00
codeforces:2081-G2
codeforces
2081-G2
Hard Formula (Hard Version)
https://codeforces.com/problemset/problem/2081/G2
[ "math" ]
null
null
stdin_stdout
3,400
{ "solved_count": 61 }
2026-10-26T04:20:41.456672+00:00
codeforces:2081-G1
codeforces
2081-G1
Hard Formula
https://codeforces.com/problemset/problem/2081/G1
[ "math", "number theory" ]
null
null
stdin_stdout
3,100
{ "solved_count": 85 }
2026-10-26T04:20:41.456672+00:00
codeforces:2081-F
codeforces
2081-F
Hot Matrix
https://codeforces.com/problemset/problem/2081/F
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
3,300
{ "solved_count": 150 }
2026-10-26T04:20:41.456672+00:00
codeforces:2081-E
codeforces
2081-E
Quantifier
https://codeforces.com/problemset/problem/2081/E
[ "combinatorics", "dp", "implementation" ]
null
null
stdin_stdout
3,300
{ "solved_count": 92 }
2026-10-26T04:20:41.456672+00:00
codeforces:2081-D
codeforces
2081-D
MST in Modulo Graph
https://codeforces.com/problemset/problem/2081/D
[ "constructive algorithms", "dsu", "graphs", "greedy", "math", "number theory", "sortings", "trees" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1462 }
2026-10-26T04:20:41.456672+00:00
codeforces:2081-C
codeforces
2081-C
Quaternary Matrix
https://codeforces.com/problemset/problem/2081/C
[ "bitmasks", "constructive algorithms", "greedy", "implementation", "matrices" ]
null
null
stdin_stdout
2,700
{ "solved_count": 410 }
2026-10-26T04:20:41.456672+00:00
codeforces:2081-B
codeforces
2081-B
Balancing
https://codeforces.com/problemset/problem/2081/B
[ "greedy" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1050 }
2026-10-26T04:20:41.456672+00:00
codeforces:2081-A
codeforces
2081-A
Math Division
https://codeforces.com/problemset/problem/2081/A
[ "bitmasks", "dp", "math", "probabilities" ]
null
null
stdin_stdout
1,800
{ "solved_count": 4440 }
2026-10-26T04:20:41.456672+00:00
codeforces:2080-D
codeforces
2080-D
Order Statistics
https://codeforces.com/problemset/problem/2080/D
[ "*special", "binary search" ]
null
null
stdin_stdout
3,400
{ "solved_count": 50 }
2026-10-26T04:20:41.456672+00:00
codeforces:2080-C
codeforces
2080-C
Card Flip
https://codeforces.com/problemset/problem/2080/C
[ "*special" ]
null
null
stdin_stdout
2,300
{ "solved_count": 223 }
2026-10-26T04:20:41.456672+00:00
codeforces:2080-B
codeforces
2080-B
Best Runner
https://codeforces.com/problemset/problem/2080/B
[ "*special" ]
null
null
stdin_stdout
1,700
{ "solved_count": 541 }
2026-10-26T04:20:41.456672+00:00
codeforces:2080-A
codeforces
2080-A
Strong Connectivity Strikes Back
https://codeforces.com/problemset/problem/2080/A
[ "*special", "constructive algorithms", "graphs" ]
null
null
stdin_stdout
3,200
{ "solved_count": 55 }
2026-10-26T04:20:41.456672+00:00
codeforces:2079-D
codeforces
2079-D
Cute Subsequences
https://codeforces.com/problemset/problem/2079/D
[ "*special", "sortings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 726 }
2026-10-26T04:20:41.456672+00:00
codeforces:2079-C
codeforces
2079-C
Dreaming Is Not Harmful
https://codeforces.com/problemset/problem/2079/C
[ "*special" ]
null
null
stdin_stdout
2,300
{ "solved_count": 236 }
2026-10-26T04:20:41.456672+00:00
codeforces:2079-B
codeforces
2079-B
Arithmetic Exercise
https://codeforces.com/problemset/problem/2079/B
[ "*special", "data structures", "dp", "greedy" ]
null
null
stdin_stdout
2,600
{ "solved_count": 187 }
2026-10-26T04:20:41.456672+00:00
codeforces:2079-A
codeforces
2079-A
Alice, Bob, And Two Arrays
https://codeforces.com/problemset/problem/2079/A
[ "*special", "data structures", "dp", "games" ]
null
null
stdin_stdout
3,300
{ "solved_count": 49 }
2026-10-26T04:20:41.456672+00:00
codeforces:2078-D
codeforces
2078-D
Scammy Game Ad
https://codeforces.com/problemset/problem/2078/D
[ "dp", "greedy", "implementation" ]
null
null
stdin_stdout
1,800
{ "solved_count": 6830 }
2026-10-26T04:20:41.456672+00:00
codeforces:2078-B
codeforces
2078-B
Vicious Labyrinth
https://codeforces.com/problemset/problem/2078/B
[ "constructive algorithms", "graphs", "greedy", "implementation", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 18823 }
2026-10-26T04:20:41.456672+00:00
codeforces:2078-A
codeforces
2078-A
Final Verdict
https://codeforces.com/problemset/problem/2078/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 23610 }
2026-10-26T04:20:41.456672+00:00
codeforces:2077-G
codeforces
2077-G
RGB Walking
https://codeforces.com/problemset/problem/2077/G
[ "bitmasks", "chinese remainder theorem", "dfs and similar", "graphs", "number theory" ]
null
null
stdin_stdout
3,500
{ "solved_count": 176 }
2026-10-26T04:20:41.456672+00:00
codeforces:2077-F
codeforces
2077-F
AND x OR
https://codeforces.com/problemset/problem/2077/F
[ "bitmasks", "constructive algorithms", "dp" ]
null
null
stdin_stdout
3,300
{ "solved_count": 280 }
2026-10-26T04:20:41.456672+00:00
codeforces:2077-E
codeforces
2077-E
Another Folding Strip
https://codeforces.com/problemset/problem/2077/E
[ "combinatorics", "constructive algorithms", "data structures", "divide and conquer", "dp", "greedy", "math" ]
null
null
stdin_stdout
2,700
{ "solved_count": 648 }
2026-10-26T04:20:41.456672+00:00
codeforces:2077-D
codeforces
2077-D
Maximum Polygon
https://codeforces.com/problemset/problem/2077/D
[ "brute force", "data structures", "greedy", "implementation", "math" ]
null
null
stdin_stdout
3,100
{ "solved_count": 487 }
2026-10-26T04:20:41.456672+00:00
codeforces:2077-C
codeforces
2077-C
Binary Subsequence Value Sum
https://codeforces.com/problemset/problem/2077/C
[ "combinatorics", "data structures", "dp", "fft", "math", "matrices" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2479 }
2026-10-26T04:20:41.456672+00:00
codeforces:2077-B
codeforces
2077-B
Finding OR Sum
https://codeforces.com/problemset/problem/2077/B
[ "bitmasks", "constructive algorithms", "implementation", "interactive", "math" ]
null
null
stdin_stdout
1,900
{ "solved_count": 3854 }
2026-10-26T04:20:41.456672+00:00
codeforces:2077-A
codeforces
2077-A
Breach of Faith
https://codeforces.com/problemset/problem/2077/A
[ "constructive algorithms", "greedy", "math", "sortings" ]
null
null
stdin_stdout
1,500
{ "solved_count": 15194 }
2026-10-26T04:20:41.456672+00:00
codeforces:2075-F
codeforces
2075-F
Beautiful Sequence Returns
https://codeforces.com/problemset/problem/2075/F
[ "binary search", "brute force", "data structures", "implementation" ]
null
null
stdin_stdout
3,000
{ "solved_count": 554 }
2026-10-26T04:20:41.456672+00:00
codeforces:2075-E
codeforces
2075-E
XOR Matrix
https://codeforces.com/problemset/problem/2075/E
[ "bitmasks", "combinatorics", "dp", "implementation", "math" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1228 }
2026-10-26T04:20:41.456672+00:00
codeforces:2075-D
codeforces
2075-D
Equalization
https://codeforces.com/problemset/problem/2075/D
[ "bitmasks", "brute force", "dp", "graphs", "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 6202 }
2026-10-26T04:20:41.456672+00:00
codeforces:2075-C
codeforces
2075-C
Two Colors
https://codeforces.com/problemset/problem/2075/C
[ "binary search", "combinatorics", "math" ]
null
null
stdin_stdout
1,500
{ "solved_count": 15059 }
2026-10-26T04:20:41.456672+00:00
codeforces:2075-B
codeforces
2075-B
Array Recoloring
https://codeforces.com/problemset/problem/2075/B
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
1,300
{ "solved_count": 19590 }
2026-10-26T04:20:41.456672+00:00
codeforces:2075-A
codeforces
2075-A
To Zero
https://codeforces.com/problemset/problem/2075/A
[ "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 28353 }
2026-10-26T04:20:41.456672+00:00
codeforces:2074-G
codeforces
2074-G
Game With Triangles: Season 2
https://codeforces.com/problemset/problem/2074/G
[ "dp", "geometry" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2284 }
2026-10-26T04:20:41.456672+00:00
codeforces:2074-F
codeforces
2074-F
Counting Necessary Nodes
https://codeforces.com/problemset/problem/2074/F
[ "bitmasks", "divide and conquer", "greedy", "implementation", "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 2567 }
2026-10-26T04:20:41.456672+00:00
codeforces:2074-E
codeforces
2074-E
Empty Triangle
https://codeforces.com/problemset/problem/2074/E
[ "geometry", "interactive", "probabilities" ]
null
null
stdin_stdout
1,600
{ "solved_count": 6990 }
2026-10-26T04:20:41.456672+00:00
codeforces:2074-D
codeforces
2074-D
Counting Points
https://codeforces.com/problemset/problem/2074/D
[ "brute force", "data structures", "geometry", "implementation", "two pointers" ]
null
null
stdin_stdout
1,400
{ "solved_count": 12535 }
2026-10-26T04:20:41.456672+00:00
codeforces:2074-C
codeforces
2074-C
XOR and Triangle
https://codeforces.com/problemset/problem/2074/C
[ "bitmasks", "brute force", "geometry", "greedy", "probabilities" ]
null
null
stdin_stdout
1,100
{ "solved_count": 22670 }
2026-10-26T04:20:41.456672+00:00
codeforces:2074-B
codeforces
2074-B
The Third Side
https://codeforces.com/problemset/problem/2074/B
[ "geometry", "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 35828 }
2026-10-26T04:20:41.456672+00:00
codeforces:2074-A
codeforces
2074-A
Draw a Square
https://codeforces.com/problemset/problem/2074/A
[ "geometry", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 45844 }
2026-10-26T04:20:41.456672+00:00
codeforces:2073-M
codeforces
2073-M
Can You Reach There?
https://codeforces.com/problemset/problem/2073/M
[]
null
null
stdin_stdout
3,300
{ "solved_count": 86 }
2026-10-26T04:20:41.456672+00:00
codeforces:2073-L
codeforces
2073-L
Boarding Queue
https://codeforces.com/problemset/problem/2073/L
[]
null
null
stdin_stdout
1,300
{ "solved_count": 1868 }
2026-10-26T04:20:41.456672+00:00
codeforces:2073-K
codeforces
2073-K
Book Sorting
https://codeforces.com/problemset/problem/2073/K
[]
null
null
stdin_stdout
2,900
{ "solved_count": 260 }
2026-10-26T04:20:41.456672+00:00
codeforces:2073-J
codeforces
2073-J
Gathering Sharks
https://codeforces.com/problemset/problem/2073/J
[]
null
null
stdin_stdout
2,000
{ "solved_count": 1233 }
2026-10-26T04:20:41.456672+00:00
codeforces:2073-I
codeforces
2073-I
Squares on Grid Lines
https://codeforces.com/problemset/problem/2073/I
[]
null
null
stdin_stdout
3,100
{ "solved_count": 131 }
2026-10-26T04:20:41.456672+00:00
codeforces:2073-H
codeforces
2073-H
Secret Lilies and Roses
https://codeforces.com/problemset/problem/2073/H
[ "interactive" ]
null
null
stdin_stdout
2,700
{ "solved_count": 394 }
2026-10-26T04:20:41.456672+00:00
codeforces:2073-G
codeforces
2073-G
Corrupted File
https://codeforces.com/problemset/problem/2073/G
[]
null
null
stdin_stdout
2,200
{ "solved_count": 959 }
2026-10-26T04:20:41.456672+00:00
codeforces:2073-F
codeforces
2073-F
Hold the Star
https://codeforces.com/problemset/problem/2073/F
[]
null
null
stdin_stdout
3,500
{ "solved_count": 87 }
2026-10-26T04:20:41.456672+00:00
codeforces:2073-E
codeforces
2073-E
Minus Operator
https://codeforces.com/problemset/problem/2073/E
[ "interactive" ]
null
null
stdin_stdout
3,300
{ "solved_count": 87 }
2026-10-26T04:20:41.456672+00:00
codeforces:2073-D
codeforces
2073-D
Tower of Hanoi
https://codeforces.com/problemset/problem/2073/D
[]
null
null
stdin_stdout
2,400
{ "solved_count": 602 }
2026-10-26T04:20:41.456672+00:00
codeforces:2073-C
codeforces
2073-C
Cactus Connectivity
https://codeforces.com/problemset/problem/2073/C
[]
null
null
stdin_stdout
2,700
{ "solved_count": 349 }
2026-10-26T04:20:41.456672+00:00
codeforces:2073-B
codeforces
2073-B
Three-Dimensional Embedding
https://codeforces.com/problemset/problem/2073/B
[]
null
null
stdin_stdout
3,500
{ "solved_count": 85 }
2026-10-26T04:20:41.456672+00:00
codeforces:2073-A
codeforces
2073-A
Control Towers
https://codeforces.com/problemset/problem/2073/A
[]
null
null
stdin_stdout
1,900
{ "solved_count": 1297 }
2026-10-26T04:20:41.456672+00:00
codeforces:2072-G
codeforces
2072-G
I've Been Flipping Numbers for 300 Years and Calculated the Sum
https://codeforces.com/problemset/problem/2072/G
[ "binary search", "brute force", "combinatorics", "divide and conquer", "math", "number theory" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2231 }
2026-10-26T04:20:41.456672+00:00
codeforces:2072-F
codeforces
2072-F
Goodbye, Banker Life
https://codeforces.com/problemset/problem/2072/F
[ "2-sat", "bitmasks", "combinatorics", "constructive algorithms", "fft", "math", "number theory" ]
null
null
stdin_stdout
1,700
{ "solved_count": 8857 }
2026-10-26T04:20:41.456672+00:00
codeforces:2072-E
codeforces
2072-E
Do You Love Your Hero and His Two-Hit Multi-Target Attacks?
https://codeforces.com/problemset/problem/2072/E
[ "binary search", "brute force", "constructive algorithms", "dp", "geometry", "greedy", "math" ]
null
null
stdin_stdout
1,500
{ "solved_count": 12865 }
2026-10-26T04:20:41.456672+00:00
codeforces:2072-D
codeforces
2072-D
For Wizards, the Exam Is Easy, but I Couldn't Handle It
https://codeforces.com/problemset/problem/2072/D
[ "brute force", "greedy", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 18242 }
2026-10-26T04:20:41.456672+00:00
codeforces:2072-C
codeforces
2072-C
Creating Keys for StORages Has Become My Main Skill
https://codeforces.com/problemset/problem/2072/C
[ "bitmasks", "constructive algorithms", "greedy" ]
null
null
stdin_stdout
1,200
{ "solved_count": 20311 }
2026-10-26T04:20:41.456672+00:00
codeforces:2072-B
codeforces
2072-B
Having Been a Treasurer in the Past, I Help Goblins Deceive
https://codeforces.com/problemset/problem/2072/B
[ "combinatorics", "constructive algorithms", "strings" ]
null
null
stdin_stdout
900
{ "solved_count": 31906 }
2026-10-26T04:20:41.456672+00:00
codeforces:2072-A
codeforces
2072-A
New World, New Me, New Array
https://codeforces.com/problemset/problem/2072/A
[ "greedy", "implementation", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 41696 }
2026-10-26T04:20:41.456672+00:00
codeforces:2071-F
codeforces
2071-F
Towering Arrays
https://codeforces.com/problemset/problem/2071/F
[ "binary search", "data structures" ]
null
null
stdin_stdout
2,700
{ "solved_count": 367 }
2026-10-26T04:20:41.456672+00:00
codeforces:2071-E
codeforces
2071-E
LeaFall
https://codeforces.com/problemset/problem/2071/E
[ "combinatorics", "dp", "probabilities", "trees" ]
null
null
stdin_stdout
2,600
{ "solved_count": 857 }
2026-10-26T04:20:41.456672+00:00
codeforces:2071-D2
codeforces
2071-D2
Infinite Sequence (Hard Version)
https://codeforces.com/problemset/problem/2071/D2
[ "bitmasks", "brute force", "constructive algorithms", "data structures", "dp", "implementation", "math" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1147 }
2026-10-26T04:20:41.456672+00:00
codeforces:2071-D1
codeforces
2071-D1
Infinite Sequence (Easy Version)
https://codeforces.com/problemset/problem/2071/D1
[ "bitmasks", "brute force", "dp", "implementation", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 6959 }
2026-10-26T04:20:41.456672+00:00
codeforces:2071-C
codeforces
2071-C
Trapmigiano Reggiano
https://codeforces.com/problemset/problem/2071/C
[ "constructive algorithms", "data structures", "dfs and similar", "dp", "greedy", "sortings", "trees" ]
null
null
stdin_stdout
1,700
{ "solved_count": 10091 }
2026-10-26T04:20:41.456672+00:00
codeforces:2071-B
codeforces
2071-B
Perfecto
https://codeforces.com/problemset/problem/2071/B
[ "brute force", "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 21543 }
2026-10-26T04:20:41.456672+00:00
codeforces:2071-A
codeforces
2071-A
The Play Never Ends
https://codeforces.com/problemset/problem/2071/A
[ "math", "number theory" ]
null
null
stdin_stdout
800
{ "solved_count": 28395 }
2026-10-26T04:20:41.456672+00:00
codeforces:2070-F
codeforces
2070-F
Friends and Pizza
https://codeforces.com/problemset/problem/2070/F
[ "bitmasks", "divide and conquer", "dp", "fft" ]
null
null
stdin_stdout
3,000
{ "solved_count": 397 }
2026-10-26T04:20:41.456672+00:00
codeforces:2070-E
codeforces
2070-E
Game with Binary String
https://codeforces.com/problemset/problem/2070/E
[ "constructive algorithms", "data structures", "divide and conquer", "games", "greedy", "math" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1988 }
2026-10-26T04:20:41.456672+00:00
codeforces:2070-D
codeforces
2070-D
Tree Jumps
https://codeforces.com/problemset/problem/2070/D
[ "dfs and similar", "dp", "trees" ]
null
null
stdin_stdout
1,600
{ "solved_count": 11876 }
2026-10-26T04:20:41.456672+00:00
codeforces:2070-C
codeforces
2070-C
Limited Repainting
https://codeforces.com/problemset/problem/2070/C
[ "binary search", "greedy" ]
null
null
stdin_stdout
1,500
{ "solved_count": 14524 }
2026-10-26T04:20:41.456672+00:00
codeforces:2070-B
codeforces
2070-B
Robot Program
https://codeforces.com/problemset/problem/2070/B
[ "brute force", "implementation", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 20237 }
2026-10-26T04:20:41.456672+00:00
codeforces:2070-A
codeforces
2070-A
FizzBuzz Remixed
https://codeforces.com/problemset/problem/2070/A
[ "brute force", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 26924 }
2026-10-26T04:20:41.456672+00:00
codeforces:2069-F
codeforces
2069-F
Graph Inclusion
https://codeforces.com/problemset/problem/2069/F
[ "data structures", "dfs and similar", "divide and conquer", "dsu", "graphs" ]
null
null
stdin_stdout
2,800
{ "solved_count": 840 }
2026-10-26T04:20:41.456672+00:00
codeforces:2069-E
codeforces
2069-E
A, B, AB and BA
https://codeforces.com/problemset/problem/2069/E
[ "constructive algorithms", "greedy", "sortings", "strings" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2029 }
2026-10-26T04:20:41.456672+00:00
codeforces:2069-D
codeforces
2069-D
Palindrome Shuffle
https://codeforces.com/problemset/problem/2069/D
[ "binary search", "greedy", "hashing", "strings", "two pointers" ]
null
null
stdin_stdout
1,800
{ "solved_count": 7352 }
2026-10-26T04:20:41.456672+00:00
codeforces:2069-C
codeforces
2069-C
Beautiful Sequence
https://codeforces.com/problemset/problem/2069/C
[ "combinatorics", "dp", "greedy", "two pointers" ]
null
null
stdin_stdout
1,500
{ "solved_count": 15620 }
2026-10-26T04:20:41.456672+00:00
codeforces:2069-B
codeforces
2069-B
Set of Strangers
https://codeforces.com/problemset/problem/2069/B
[ "greedy", "matrices" ]
null
null
stdin_stdout
1,200
{ "solved_count": 19390 }
2026-10-26T04:20:41.456672+00:00
codeforces:2069-A
codeforces
2069-A
Was there an Array?
https://codeforces.com/problemset/problem/2069/A
[ "graph matchings", "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 26926 }
2026-10-26T04:20:41.456672+00:00
codeforces:2068-K
codeforces
2068-K
Amusement Park Rides
https://codeforces.com/problemset/problem/2068/K
[ "flows", "graphs" ]
null
null
stdin_stdout
3,000
{ "solved_count": 259 }
2026-10-26T04:20:41.456672+00:00
codeforces:2068-J
codeforces
2068-J
The Ultimate Wine Tasting Event
https://codeforces.com/problemset/problem/2068/J
[ "combinatorics", "greedy" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1706 }
2026-10-26T04:20:41.456672+00:00
codeforces:2068-I
codeforces
2068-I
Pinball
https://codeforces.com/problemset/problem/2068/I
[ "graphs", "shortest paths" ]
null
null
stdin_stdout
3,500
{ "solved_count": 86 }
2026-10-26T04:20:41.456672+00:00
codeforces:2068-H
codeforces
2068-H
Statues
https://codeforces.com/problemset/problem/2068/H
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
2,700
{ "solved_count": 441 }
2026-10-26T04:20:41.456672+00:00
codeforces:2068-G
codeforces
2068-G
A Very Long Hike
https://codeforces.com/problemset/problem/2068/G
[ "shortest paths" ]
null
null
stdin_stdout
3,500
{ "solved_count": 86 }
2026-10-26T04:20:41.456672+00:00
codeforces:2068-F
codeforces
2068-F
Mascot Naming
https://codeforces.com/problemset/problem/2068/F
[ "brute force", "greedy", "implementation", "strings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1604 }
2026-10-26T04:20:41.456672+00:00
codeforces:2068-E
codeforces
2068-E
Porto Vs. Benfica
https://codeforces.com/problemset/problem/2068/E
[ "data structures", "dfs and similar", "dsu", "graphs", "shortest paths" ]
null
null
stdin_stdout
2,800
{ "solved_count": 395 }
2026-10-26T04:20:41.456672+00:00
codeforces:2068-D
codeforces
2068-D
Morse Code
https://codeforces.com/problemset/problem/2068/D
[ "dp", "sortings", "trees" ]
null
null
stdin_stdout
3,100
{ "solved_count": 280 }
2026-10-26T04:20:41.456672+00:00
codeforces:2068-C
codeforces
2068-C
Ads
https://codeforces.com/problemset/problem/2068/C
[ "binary search", "greedy", "two pointers" ]
null
null
stdin_stdout
2,100
{ "solved_count": 1753 }
2026-10-26T04:20:41.456672+00:00
codeforces:2068-B
codeforces
2068-B
Urban Planning
https://codeforces.com/problemset/problem/2068/B
[ "constructive algorithms" ]
null
null
stdin_stdout
3,100
{ "solved_count": 154 }
2026-10-26T04:20:41.456672+00:00
codeforces:2068-A
codeforces
2068-A
Condorcet Elections
https://codeforces.com/problemset/problem/2068/A
[ "constructive algorithms", "graphs", "greedy", "probabilities" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1064 }
2026-10-26T04:20:41.456672+00:00
codeforces:2067-C
codeforces
2067-C
Devyatkino
https://codeforces.com/problemset/problem/2067/C
[ "brute force", "dfs and similar", "greedy", "math" ]
null
null
stdin_stdout
1,500
{ "solved_count": 13245 }
2026-10-26T04:20:41.456672+00:00
codeforces:2067-B
codeforces
2067-B
Two Large Bags
https://codeforces.com/problemset/problem/2067/B
[ "brute force", "dp", "greedy", "sortings" ]
null
null
stdin_stdout
1,200
{ "solved_count": 19735 }
2026-10-26T04:20:41.456672+00:00
codeforces:2067-A
codeforces
2067-A
Adjacent Digit Sums
https://codeforces.com/problemset/problem/2067/A
[ "brute force", "constructive algorithms", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 26159 }
2026-10-26T04:20:41.456672+00:00
codeforces:2066-F
codeforces
2066-F
Curse
https://codeforces.com/problemset/problem/2066/F
[ "constructive algorithms", "dp", "math" ]
null
null
stdin_stdout
3,300
{ "solved_count": 81 }
2026-10-26T04:20:41.456672+00:00
codeforces:2066-E
codeforces
2066-E
Tropical Season
https://codeforces.com/problemset/problem/2066/E
[ "binary search", "data structures", "greedy", "implementation" ]
null
null
stdin_stdout
3,300
{ "solved_count": 478 }
2026-10-26T04:20:41.456672+00:00
codeforces:2066-D2
codeforces
2066-D2
Club of Young Aircraft Builders (hard version)
https://codeforces.com/problemset/problem/2066/D2
[ "combinatorics", "dp", "math" ]
null
null
stdin_stdout
2,900
{ "solved_count": 696 }
2026-10-26T04:20:41.456672+00:00
codeforces:2066-D1
codeforces
2066-D1
Club of Young Aircraft Builders (easy version)
https://codeforces.com/problemset/problem/2066/D1
[ "combinatorics", "dp", "math" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1564 }
2026-10-26T04:20:41.456672+00:00
codeforces:2066-C
codeforces
2066-C
Bitwise Slides
https://codeforces.com/problemset/problem/2066/C
[ "bitmasks", "combinatorics", "dp", "math" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2615 }
2026-10-26T04:20:41.456672+00:00
codeforces:2066-B
codeforces
2066-B
White Magic
https://codeforces.com/problemset/problem/2066/B
[ "constructive algorithms", "data structures", "dp", "greedy", "implementation" ]
null
null
stdin_stdout
1,900
{ "solved_count": 5693 }
2026-10-26T04:20:41.456672+00:00