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codeforces:1955-G
codeforces
1955-G
GCD on a grid
https://codeforces.com/problemset/problem/1955/G
[ "brute force", "dfs and similar", "dp", "implementation", "math", "number theory" ]
null
null
stdin_stdout
1,900
{ "solved_count": 5857 }
2026-04-13T03:38:27.662191+00:00
codeforces:1955-F
codeforces
1955-F
Unfair Game
https://codeforces.com/problemset/problem/1955/F
[ "dp", "games", "greedy", "math", "schedules" ]
null
null
stdin_stdout
1,800
{ "solved_count": 8677 }
2026-04-13T03:38:27.662191+00:00
codeforces:1955-E
codeforces
1955-E
Long Inversions
https://codeforces.com/problemset/problem/1955/E
[ "brute force", "greedy", "implementation", "sortings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 10511 }
2026-04-13T03:38:27.662191+00:00
codeforces:1955-D
codeforces
1955-D
Inaccurate Subsequence Search
https://codeforces.com/problemset/problem/1955/D
[ "data structures", "two pointers" ]
null
null
stdin_stdout
1,400
{ "solved_count": 18402 }
2026-04-13T03:38:27.662191+00:00
codeforces:1955-C
codeforces
1955-C
Inhabitant of the Deep Sea
https://codeforces.com/problemset/problem/1955/C
[ "greedy", "implementation", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 24438 }
2026-04-13T03:38:27.662191+00:00
codeforces:1955-B
codeforces
1955-B
Progressive Square
https://codeforces.com/problemset/problem/1955/B
[ "constructive algorithms", "data structures", "implementation", "sortings" ]
null
null
stdin_stdout
1,000
{ "solved_count": 32195 }
2026-04-13T03:38:27.662191+00:00
codeforces:1955-A
codeforces
1955-A
Yogurt Sale
https://codeforces.com/problemset/problem/1955/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 52495 }
2026-04-13T03:38:27.662191+00:00
codeforces:1954-F
codeforces
1954-F
Unique Strings
https://codeforces.com/problemset/problem/1954/F
[ "combinatorics", "dp", "math" ]
null
null
stdin_stdout
3,100
{ "solved_count": 353 }
2026-04-13T03:38:27.662191+00:00
codeforces:1954-E
codeforces
1954-E
Chain Reaction
https://codeforces.com/problemset/problem/1954/E
[ "binary search", "data structures", "dsu", "greedy", "implementation", "math", "number theory" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2951 }
2026-04-13T03:38:27.662191+00:00
codeforces:1954-D
codeforces
1954-D
Colored Balls
https://codeforces.com/problemset/problem/1954/D
[ "combinatorics", "dp", "math", "sortings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 7994 }
2026-04-13T03:38:27.662191+00:00
codeforces:1954-C
codeforces
1954-C
Long Multiplication
https://codeforces.com/problemset/problem/1954/C
[ "greedy", "math", "number theory" ]
null
null
stdin_stdout
1,200
{ "solved_count": 22692 }
2026-04-13T03:38:27.662191+00:00
codeforces:1954-B
codeforces
1954-B
Make It Ugly
https://codeforces.com/problemset/problem/1954/B
[ "implementation", "math" ]
null
null
stdin_stdout
1,200
{ "solved_count": 21455 }
2026-04-13T03:38:27.662191+00:00
codeforces:1954-A
codeforces
1954-A
Painting the Ribbon
https://codeforces.com/problemset/problem/1954/A
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 27452 }
2026-04-13T03:38:27.662191+00:00
codeforces:1953-A
codeforces
1953-A
Accuracy-Preserving Summation Algorithm
https://codeforces.com/problemset/problem/1953/A
[ "*special" ]
null
null
stdin_stdout
null
{ "solved_count": 0 }
2026-04-13T03:38:27.662191+00:00
codeforces:1952-J
codeforces
1952-J
Help, what does it mean to be "Based"
https://codeforces.com/problemset/problem/1952/J
[ "*special", "brute force", "constructive algorithms", "expression parsing", "implementation", "sortings" ]
null
null
stdin_stdout
null
{ "solved_count": 896 }
2026-04-13T03:38:27.662191+00:00
codeforces:1952-I
codeforces
1952-I
Dark Matter
https://codeforces.com/problemset/problem/1952/I
[ "*special", "bitmasks", "geometry" ]
null
null
stdin_stdout
null
{ "solved_count": 649 }
2026-04-13T03:38:27.662191+00:00
codeforces:1952-H
codeforces
1952-H
Palindrome
https://codeforces.com/problemset/problem/1952/H
[ "*special", "implementation", "strings" ]
null
null
stdin_stdout
null
{ "solved_count": 805 }
2026-04-13T03:38:27.662191+00:00
codeforces:1952-G
codeforces
1952-G
Mathematician Takeover
https://codeforces.com/problemset/problem/1952/G
[ "*special", "binary search", "dfs and similar", "math" ]
null
null
stdin_stdout
null
{ "solved_count": 1218 }
2026-04-13T03:38:27.662191+00:00
codeforces:1952-F
codeforces
1952-F
Grid
https://codeforces.com/problemset/problem/1952/F
[ "*special", "brute force" ]
null
null
stdin_stdout
null
{ "solved_count": 1951 }
2026-04-13T03:38:27.662191+00:00
codeforces:1952-E
codeforces
1952-E
Sweep Line
https://codeforces.com/problemset/problem/1952/E
[ "*special", "combinatorics", "games", "math" ]
null
null
stdin_stdout
null
{ "solved_count": 340 }
2026-04-13T03:38:27.662191+00:00
codeforces:1952-D
codeforces
1952-D
Are You a Procrastinator?
https://codeforces.com/problemset/problem/1952/D
[ "*special", "implementation" ]
null
null
stdin_stdout
null
{ "solved_count": 5349 }
2026-04-13T03:38:27.662191+00:00
codeforces:1952-C
codeforces
1952-C
They Have Fooled
https://codeforces.com/problemset/problem/1952/C
[ "*special", "brute force", "schedules" ]
null
null
stdin_stdout
null
{ "solved_count": 3257 }
2026-04-13T03:38:27.662191+00:00
codeforces:1952-B
codeforces
1952-B
Is it stated?
https://codeforces.com/problemset/problem/1952/B
[ "*special", "strings" ]
null
null
stdin_stdout
null
{ "solved_count": 12317 }
2026-04-13T03:38:27.662191+00:00
codeforces:1952-A
codeforces
1952-A
Are You a Robot, Again?
https://codeforces.com/problemset/problem/1952/A
[ "*special", "strings" ]
null
null
stdin_stdout
null
{ "solved_count": 14085 }
2026-04-13T03:38:27.662191+00:00
codeforces:1951-I
codeforces
1951-I
Growing Trees
https://codeforces.com/problemset/problem/1951/I
[ "binary search", "constructive algorithms", "flows", "graphs", "greedy" ]
null
null
stdin_stdout
3,200
{ "solved_count": 103 }
2026-04-13T03:38:27.662191+00:00
codeforces:1951-H
codeforces
1951-H
Thanos Snap
https://codeforces.com/problemset/problem/1951/H
[ "binary search", "dp", "games", "greedy", "trees" ]
null
null
stdin_stdout
3,200
{ "solved_count": 357 }
2026-04-13T03:38:27.662191+00:00
codeforces:1951-G
codeforces
1951-G
Clacking Balls
https://codeforces.com/problemset/problem/1951/G
[ "combinatorics", "math", "probabilities" ]
null
null
stdin_stdout
3,100
{ "solved_count": 425 }
2026-04-13T03:38:27.662191+00:00
codeforces:1951-F
codeforces
1951-F
Inversion Composition
https://codeforces.com/problemset/problem/1951/F
[ "constructive algorithms", "data structures", "greedy" ]
null
null
stdin_stdout
2,500
{ "solved_count": 959 }
2026-04-13T03:38:27.662191+00:00
codeforces:1951-E
codeforces
1951-E
No Palindromes
https://codeforces.com/problemset/problem/1951/E
[ "brute force", "constructive algorithms", "divide and conquer", "greedy", "hashing", "implementation", "math", "strings" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4462 }
2026-04-13T03:38:27.662191+00:00
codeforces:1951-D
codeforces
1951-D
Buying Jewels
https://codeforces.com/problemset/problem/1951/D
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 6282 }
2026-04-13T03:38:27.662191+00:00
codeforces:1951-C
codeforces
1951-C
Ticket Hoarding
https://codeforces.com/problemset/problem/1951/C
[ "greedy", "math", "sortings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 13726 }
2026-04-13T03:38:27.662191+00:00
codeforces:1951-B
codeforces
1951-B
Battle Cows
https://codeforces.com/problemset/problem/1951/B
[ "binary search", "data structures", "greedy" ]
null
null
stdin_stdout
1,200
{ "solved_count": 16803 }
2026-04-13T03:38:27.662191+00:00
codeforces:1951-A
codeforces
1951-A
Dual Trigger
https://codeforces.com/problemset/problem/1951/A
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 22513 }
2026-04-13T03:38:27.662191+00:00
codeforces:1950-G
codeforces
1950-G
Shuffling Songs
https://codeforces.com/problemset/problem/1950/G
[ "bitmasks", "dfs and similar", "dp", "graphs", "hashing", "implementation", "strings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 6025 }
2026-04-13T03:38:27.662191+00:00
codeforces:1950-F
codeforces
1950-F
0, 1, 2, Tree!
https://codeforces.com/problemset/problem/1950/F
[ "bitmasks", "brute force", "greedy", "implementation", "trees" ]
null
null
stdin_stdout
1,700
{ "solved_count": 11240 }
2026-04-13T03:38:27.662191+00:00
codeforces:1950-E
codeforces
1950-E
Nearly Shortest Repeating Substring
https://codeforces.com/problemset/problem/1950/E
[ "brute force", "implementation", "number theory", "strings" ]
null
null
stdin_stdout
1,500
{ "solved_count": 17367 }
2026-04-13T03:38:27.662191+00:00
codeforces:1950-D
codeforces
1950-D
Product of Binary Decimals
https://codeforces.com/problemset/problem/1950/D
[ "brute force", "dp", "implementation", "number theory" ]
null
null
stdin_stdout
1,100
{ "solved_count": 26419 }
2026-04-13T03:38:27.662191+00:00
codeforces:1950-C
codeforces
1950-C
Clock Conversion
https://codeforces.com/problemset/problem/1950/C
[ "implementation", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 46699 }
2026-04-13T03:38:27.662191+00:00
codeforces:1950-B
codeforces
1950-B
Upscaling
https://codeforces.com/problemset/problem/1950/B
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 44074 }
2026-04-13T03:38:27.662191+00:00
codeforces:1950-A
codeforces
1950-A
Stair, Peak, or Neither?
https://codeforces.com/problemset/problem/1950/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 68975 }
2026-04-13T03:38:27.662191+00:00
codeforces:1949-K
codeforces
1949-K
Make Triangle
https://codeforces.com/problemset/problem/1949/K
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
2,800
{ "solved_count": 449 }
2026-04-13T03:38:27.662191+00:00
codeforces:1949-J
codeforces
1949-J
Amanda the Amoeba
https://codeforces.com/problemset/problem/1949/J
[ "graphs", "implementation", "trees", "two pointers" ]
null
null
stdin_stdout
2,600
{ "solved_count": 533 }
2026-04-13T03:38:27.662191+00:00
codeforces:1949-I
codeforces
1949-I
Disks
https://codeforces.com/problemset/problem/1949/I
[ "dfs and similar", "geometry", "graph matchings", "graphs" ]
null
null
stdin_stdout
1,800
{ "solved_count": 2740 }
2026-04-13T03:38:27.662191+00:00
codeforces:1949-H
codeforces
1949-H
Division Avoidance
https://codeforces.com/problemset/problem/1949/H
[ "greedy", "math" ]
null
null
stdin_stdout
3,100
{ "solved_count": 163 }
2026-04-13T03:38:27.662191+00:00
codeforces:1949-G
codeforces
1949-G
Scooter
https://codeforces.com/problemset/problem/1949/G
[ "graphs", "greedy" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1038 }
2026-04-13T03:38:27.662191+00:00
codeforces:1949-F
codeforces
1949-F
Dating
https://codeforces.com/problemset/problem/1949/F
[ "greedy", "sortings", "trees" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1403 }
2026-04-13T03:38:27.662191+00:00
codeforces:1949-E
codeforces
1949-E
Damage per Second
https://codeforces.com/problemset/problem/1949/E
[ "brute force", "math" ]
null
null
stdin_stdout
2,900
{ "solved_count": 145 }
2026-04-13T03:38:27.662191+00:00
codeforces:1949-D
codeforces
1949-D
Funny or Scary?
https://codeforces.com/problemset/problem/1949/D
[ "constructive algorithms" ]
null
null
stdin_stdout
2,600
{ "solved_count": 538 }
2026-04-13T03:38:27.662191+00:00
codeforces:1949-C
codeforces
1949-C
Annual Ants' Gathering
https://codeforces.com/problemset/problem/1949/C
[ "dfs and similar", "dp", "greedy", "trees" ]
null
null
stdin_stdout
1,900
{ "solved_count": 2514 }
2026-04-13T03:38:27.662191+00:00
codeforces:1949-B
codeforces
1949-B
Charming Meals
https://codeforces.com/problemset/problem/1949/B
[ "binary search", "brute force", "greedy", "sortings" ]
null
null
stdin_stdout
1,500
{ "solved_count": 4866 }
2026-04-13T03:38:27.662191+00:00
codeforces:1949-A
codeforces
1949-A
Grove
https://codeforces.com/problemset/problem/1949/A
[ "brute force", "dfs and similar", "dp", "geometry", "probabilities" ]
null
null
stdin_stdout
3,300
{ "solved_count": 203 }
2026-04-13T03:38:27.662191+00:00
codeforces:1948-G
codeforces
1948-G
MST with Matching
https://codeforces.com/problemset/problem/1948/G
[ "bitmasks", "brute force", "dsu", "graph matchings", "trees" ]
null
null
stdin_stdout
3,100
{ "solved_count": 870 }
2026-04-13T03:38:27.662191+00:00
codeforces:1948-F
codeforces
1948-F
Rare Coins
https://codeforces.com/problemset/problem/1948/F
[ "combinatorics", "math", "probabilities" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1607 }
2026-04-13T03:38:27.662191+00:00
codeforces:1948-E
codeforces
1948-E
Clique Partition
https://codeforces.com/problemset/problem/1948/E
[ "brute force", "constructive algorithms", "graphs", "greedy", "implementation" ]
null
null
stdin_stdout
2,100
{ "solved_count": 3505 }
2026-04-13T03:38:27.662191+00:00
codeforces:1948-D
codeforces
1948-D
Tandem Repeats?
https://codeforces.com/problemset/problem/1948/D
[ "brute force", "strings", "two pointers" ]
null
null
stdin_stdout
1,700
{ "solved_count": 12214 }
2026-04-13T03:38:27.662191+00:00
codeforces:1948-C
codeforces
1948-C
Arrow Path
https://codeforces.com/problemset/problem/1948/C
[ "brute force", "constructive algorithms", "dfs and similar", "dp", "graphs", "shortest paths" ]
null
null
stdin_stdout
1,300
{ "solved_count": 21021 }
2026-04-13T03:38:27.662191+00:00
codeforces:1948-B
codeforces
1948-B
Array Fix
https://codeforces.com/problemset/problem/1948/B
[ "brute force", "dp", "greedy", "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 26214 }
2026-04-13T03:38:27.662191+00:00
codeforces:1948-A
codeforces
1948-A
Special Characters
https://codeforces.com/problemset/problem/1948/A
[ "brute force", "constructive algorithms" ]
null
null
stdin_stdout
800
{ "solved_count": 30894 }
2026-04-13T03:38:27.662191+00:00
codeforces:1946-F
codeforces
1946-F
Nobody is needed
https://codeforces.com/problemset/problem/1946/F
[ "2-sat", "data structures", "dfs and similar", "dp" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1233 }
2026-04-13T03:38:27.662191+00:00
codeforces:1946-E
codeforces
1946-E
Girl Permutation
https://codeforces.com/problemset/problem/1946/E
[ "combinatorics", "dp", "math", "number theory" ]
null
null
stdin_stdout
2,200
{ "solved_count": 3162 }
2026-04-13T03:38:27.662191+00:00
codeforces:1946-D
codeforces
1946-D
Birthday Gift
https://codeforces.com/problemset/problem/1946/D
[ "bitmasks", "brute force", "constructive algorithms", "greedy", "implementation" ]
null
null
stdin_stdout
1,900
{ "solved_count": 5588 }
2026-04-13T03:38:27.662191+00:00
codeforces:1946-C
codeforces
1946-C
Tree Cutting
https://codeforces.com/problemset/problem/1946/C
[ "binary search", "dp", "greedy", "implementation", "trees" ]
null
null
stdin_stdout
1,600
{ "solved_count": 13656 }
2026-04-13T03:38:27.662191+00:00
codeforces:1946-B
codeforces
1946-B
Maximum Sum
https://codeforces.com/problemset/problem/1946/B
[ "dp", "greedy", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 23361 }
2026-04-13T03:38:27.662191+00:00
codeforces:1946-A
codeforces
1946-A
Median of an Array
https://codeforces.com/problemset/problem/1946/A
[ "greedy", "implementation", "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 28520 }
2026-04-13T03:38:27.662191+00:00
codeforces:1945-H
codeforces
1945-H
GCD is Greater
https://codeforces.com/problemset/problem/1945/H
[ "brute force", "data structures", "math", "number theory" ]
null
null
stdin_stdout
2,600
{ "solved_count": 849 }
2026-04-13T03:38:27.662191+00:00
codeforces:1945-G
codeforces
1945-G
Cook and Porridge
https://codeforces.com/problemset/problem/1945/G
[ "binary search", "constructive algorithms", "data structures", "implementation" ]
null
null
stdin_stdout
2,500
{ "solved_count": 902 }
2026-04-13T03:38:27.662191+00:00
codeforces:1945-F
codeforces
1945-F
Kirill and Mushrooms
https://codeforces.com/problemset/problem/1945/F
[ "data structures", "sortings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 5079 }
2026-04-13T03:38:27.662191+00:00
codeforces:1945-E
codeforces
1945-E
Binary Search
https://codeforces.com/problemset/problem/1945/E
[ "binary search", "constructive algorithms", "greedy" ]
null
null
stdin_stdout
1,700
{ "solved_count": 9675 }
2026-04-13T03:38:27.662191+00:00
codeforces:1945-D
codeforces
1945-D
Seraphim the Owl
https://codeforces.com/problemset/problem/1945/D
[ "dp", "greedy" ]
null
null
stdin_stdout
1,300
{ "solved_count": 17098 }
2026-04-13T03:38:27.662191+00:00
codeforces:1945-C
codeforces
1945-C
Left and Right Houses
https://codeforces.com/problemset/problem/1945/C
[ "brute force" ]
null
null
stdin_stdout
1,200
{ "solved_count": 17327 }
2026-04-13T03:38:27.662191+00:00
codeforces:1945-B
codeforces
1945-B
Fireworks
https://codeforces.com/problemset/problem/1945/B
[ "math", "number theory" ]
null
null
stdin_stdout
900
{ "solved_count": 26146 }
2026-04-13T03:38:27.662191+00:00
codeforces:1945-A
codeforces
1945-A
Setting up Camp
https://codeforces.com/problemset/problem/1945/A
[ "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 30264 }
2026-04-13T03:38:27.662191+00:00
codeforces:1944-B
codeforces
1944-B
Equal XOR
https://codeforces.com/problemset/problem/1944/B
[ "bitmasks", "constructive algorithms" ]
null
null
stdin_stdout
1,100
{ "solved_count": 18120 }
2026-04-13T03:38:27.662191+00:00
codeforces:1944-A
codeforces
1944-A
Destroying Bridges
https://codeforces.com/problemset/problem/1944/A
[ "graphs", "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 28501 }
2026-04-13T03:38:27.662191+00:00
codeforces:1943-F
codeforces
1943-F
Minimum Hamming Distance
https://codeforces.com/problemset/problem/1943/F
[ "dp" ]
null
null
stdin_stdout
3,500
{ "solved_count": 140 }
2026-04-13T03:38:27.662191+00:00
codeforces:1943-E2
codeforces
1943-E2
MEX Game 2 (Hard Version)
https://codeforces.com/problemset/problem/1943/E2
[ "binary search", "greedy", "two pointers" ]
null
null
stdin_stdout
3,300
{ "solved_count": 370 }
2026-04-13T03:38:27.662191+00:00
codeforces:1943-E1
codeforces
1943-E1
MEX Game 2 (Easy Version)
https://codeforces.com/problemset/problem/1943/E1
[ "binary search", "brute force", "greedy" ]
null
null
stdin_stdout
2,900
{ "solved_count": 529 }
2026-04-13T03:38:27.662191+00:00
codeforces:1943-D2
codeforces
1943-D2
Counting Is Fun (Hard Version)
https://codeforces.com/problemset/problem/1943/D2
[ "combinatorics", "dp" ]
null
null
stdin_stdout
2,800
{ "solved_count": 1115 }
2026-04-13T03:38:27.662191+00:00
codeforces:1943-D1
codeforces
1943-D1
Counting Is Fun (Easy Version)
https://codeforces.com/problemset/problem/1943/D1
[ "brute force", "combinatorics", "dp", "math" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1939 }
2026-04-13T03:38:27.662191+00:00
codeforces:1943-C
codeforces
1943-C
Tree Compass
https://codeforces.com/problemset/problem/1943/C
[ "constructive algorithms", "dfs and similar", "greedy", "trees" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2586 }
2026-04-13T03:38:27.662191+00:00
codeforces:1943-B
codeforces
1943-B
Non-Palindromic Substring
https://codeforces.com/problemset/problem/1943/B
[ "hashing", "implementation", "math", "strings" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4520 }
2026-04-13T03:38:27.662191+00:00
codeforces:1943-A
codeforces
1943-A
MEX Game 1
https://codeforces.com/problemset/problem/1943/A
[ "games", "greedy" ]
null
null
stdin_stdout
1,300
{ "solved_count": 21400 }
2026-04-13T03:38:27.662191+00:00
codeforces:1942-H
codeforces
1942-H
Farmer John's Favorite Intern
https://codeforces.com/problemset/problem/1942/H
[ "data structures", "dp", "flows", "trees" ]
null
null
stdin_stdout
3,500
{ "solved_count": 198 }
2026-04-13T03:38:27.662191+00:00
codeforces:1942-G
codeforces
1942-G
Bessie and Cards
https://codeforces.com/problemset/problem/1942/G
[ "combinatorics", "dp", "math" ]
null
null
stdin_stdout
2,800
{ "solved_count": 733 }
2026-04-13T03:38:27.662191+00:00
codeforces:1942-F
codeforces
1942-F
Farmer John's Favorite Function
https://codeforces.com/problemset/problem/1942/F
[ "brute force", "data structures", "implementation", "math" ]
null
null
stdin_stdout
2,700
{ "solved_count": 971 }
2026-04-13T03:38:27.662191+00:00
codeforces:1942-E
codeforces
1942-E
Farm Game
https://codeforces.com/problemset/problem/1942/E
[ "combinatorics", "games" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1951 }
2026-04-13T03:38:27.662191+00:00
codeforces:1942-D
codeforces
1942-D
Learning to Paint
https://codeforces.com/problemset/problem/1942/D
[ "binary search", "data structures", "dfs and similar", "dp", "greedy", "implementation", "sortings" ]
null
null
stdin_stdout
2,100
{ "solved_count": 3327 }
2026-04-13T03:38:27.662191+00:00
codeforces:1942-C2
codeforces
1942-C2
Bessie's Birthday Cake (Hard Version)
https://codeforces.com/problemset/problem/1942/C2
[ "geometry", "greedy", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 6856 }
2026-04-13T03:38:27.662191+00:00
codeforces:1942-C1
codeforces
1942-C1
Bessie's Birthday Cake (Easy Version)
https://codeforces.com/problemset/problem/1942/C1
[ "geometry", "greedy", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 12397 }
2026-04-13T03:38:27.662191+00:00
codeforces:1942-B
codeforces
1942-B
Bessie and MEX
https://codeforces.com/problemset/problem/1942/B
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 15468 }
2026-04-13T03:38:27.662191+00:00
codeforces:1942-A
codeforces
1942-A
Farmer John's Challenge
https://codeforces.com/problemset/problem/1942/A
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 18493 }
2026-04-13T03:38:27.662191+00:00
codeforces:1941-G
codeforces
1941-G
Rudolf and Subway
https://codeforces.com/problemset/problem/1941/G
[ "constructive algorithms", "dfs and similar", "graphs", "shortest paths" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4607 }
2026-04-13T03:38:27.662191+00:00
codeforces:1941-F
codeforces
1941-F
Rudolf and Imbalance
https://codeforces.com/problemset/problem/1941/F
[ "binary search", "greedy", "sortings", "two pointers" ]
null
null
stdin_stdout
1,800
{ "solved_count": 7362 }
2026-04-13T03:38:27.662191+00:00
codeforces:1941-E
codeforces
1941-E
Rudolf and k Bridges
https://codeforces.com/problemset/problem/1941/E
[ "binary search", "data structures", "dp", "two pointers" ]
null
null
stdin_stdout
1,600
{ "solved_count": 11865 }
2026-04-13T03:38:27.662191+00:00
codeforces:1941-D
codeforces
1941-D
Rudolf and the Ball Game
https://codeforces.com/problemset/problem/1941/D
[ "dfs and similar", "dp", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 20855 }
2026-04-13T03:38:27.662191+00:00
codeforces:1941-C
codeforces
1941-C
Rudolf and the Ugly String
https://codeforces.com/problemset/problem/1941/C
[ "dp", "greedy", "strings" ]
null
null
stdin_stdout
900
{ "solved_count": 39044 }
2026-04-13T03:38:27.662191+00:00
codeforces:1941-B
codeforces
1941-B
Rudolf and 121
https://codeforces.com/problemset/problem/1941/B
[ "brute force", "dp", "greedy", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 34641 }
2026-04-13T03:38:27.662191+00:00
codeforces:1941-A
codeforces
1941-A
Rudolf and the Ticket
https://codeforces.com/problemset/problem/1941/A
[ "brute force", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 47576 }
2026-04-13T03:38:27.662191+00:00
codeforces:1940-D
codeforces
1940-D
Almost Certainly
https://codeforces.com/problemset/problem/1940/D
[ "*special", "constructive algorithms", "data structures", "sortings" ]
null
null
stdin_stdout
null
{ "solved_count": 175 }
2026-04-13T03:38:27.662191+00:00
codeforces:1940-C
codeforces
1940-C
Burenka and Pether
https://codeforces.com/problemset/problem/1940/C
[ "*special", "data structures", "dfs and similar", "divide and conquer", "dsu", "graphs", "sortings", "trees" ]
null
null
stdin_stdout
null
{ "solved_count": 43 }
2026-04-13T03:38:27.662191+00:00