uid
stringlengths
9
18
source
stringclasses
2 values
native_id
stringlengths
3
7
title
stringlengths
2
64
url
stringlengths
36
49
tags
listlengths
0
11
time_limit_ms
null
memory_limit_mb
null
io_type
stringclasses
1 value
difficulty_rating
int64
800
3.5k
⌀
stats
dict
last_scraped_at
stringclasses
2 values
codeforces:926-J
codeforces
926-J
Segments
https://codeforces.com/problemset/problem/926/J
[ "data structures" ]
null
null
stdin_stdout
2,100
{ "solved_count": 709 }
2026-11-02T05:37:07.883505+00:00
codeforces:926-I
codeforces
926-I
A Vital Problem
https://codeforces.com/problemset/problem/926/I
[]
null
null
stdin_stdout
1,700
{ "solved_count": 818 }
2026-11-02T05:37:07.883505+00:00
codeforces:926-H
codeforces
926-H
Endless Roses Most Beautiful
https://codeforces.com/problemset/problem/926/H
[]
null
null
stdin_stdout
2,200
{ "solved_count": 298 }
2026-11-02T05:37:07.883505+00:00
codeforces:926-G
codeforces
926-G
Large Bouquets
https://codeforces.com/problemset/problem/926/G
[]
null
null
stdin_stdout
1,500
{ "solved_count": 1767 }
2026-11-02T05:37:07.883505+00:00
codeforces:926-F
codeforces
926-F
Mobile Communications
https://codeforces.com/problemset/problem/926/F
[]
null
null
stdin_stdout
2,000
{ "solved_count": 347 }
2026-11-02T05:37:07.883505+00:00
codeforces:926-E
codeforces
926-E
Merge Equal Elements
https://codeforces.com/problemset/problem/926/E
[ "constructive algorithms", "data structures" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1110 }
2026-11-02T05:37:07.883505+00:00
codeforces:926-D
codeforces
926-D
Choose Place
https://codeforces.com/problemset/problem/926/D
[]
null
null
stdin_stdout
1,600
{ "solved_count": 1048 }
2026-11-02T05:37:07.883505+00:00
codeforces:926-C
codeforces
926-C
Is This a Zebra?
https://codeforces.com/problemset/problem/926/C
[ "implementation" ]
null
null
stdin_stdout
1,700
{ "solved_count": 2117 }
2026-11-02T05:37:07.883505+00:00
codeforces:926-B
codeforces
926-B
Add Points
https://codeforces.com/problemset/problem/926/B
[ "math", "number theory" ]
null
null
stdin_stdout
1,800
{ "solved_count": 2099 }
2026-11-02T05:37:07.883505+00:00
codeforces:926-A
codeforces
926-A
2-3-numbers
https://codeforces.com/problemset/problem/926/A
[ "implementation", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 4279 }
2026-11-02T05:37:07.883505+00:00
codeforces:925-F
codeforces
925-F
Parametric Circulation
https://codeforces.com/problemset/problem/925/F
[ "binary search", "flows" ]
null
null
stdin_stdout
3,100
{ "solved_count": 326 }
2026-11-02T05:37:07.883505+00:00
codeforces:925-E
codeforces
925-E
May Holidays
https://codeforces.com/problemset/problem/925/E
[ "data structures", "trees" ]
null
null
stdin_stdout
2,900
{ "solved_count": 602 }
2026-11-02T05:37:07.883505+00:00
codeforces:925-D
codeforces
925-D
Aztec Catacombs
https://codeforces.com/problemset/problem/925/D
[ "constructive algorithms" ]
null
null
stdin_stdout
2,600
{ "solved_count": 582 }
2026-11-02T05:37:07.883505+00:00
codeforces:925-C
codeforces
925-C
Big Secret
https://codeforces.com/problemset/problem/925/C
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1462 }
2026-11-02T05:37:07.883505+00:00
codeforces:925-B
codeforces
925-B
Resource Distribution
https://codeforces.com/problemset/problem/925/B
[ "binary search", "implementation", "sortings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 2364 }
2026-11-02T05:37:07.883505+00:00
codeforces:925-A
codeforces
925-A
Stairs and Elevators
https://codeforces.com/problemset/problem/925/A
[ "binary search" ]
null
null
stdin_stdout
1,600
{ "solved_count": 3966 }
2026-11-02T05:37:07.883505+00:00
codeforces:924-F
codeforces
924-F
Minimal Subset Difference
https://codeforces.com/problemset/problem/924/F
[ "dp" ]
null
null
stdin_stdout
3,200
{ "solved_count": 462 }
2026-11-02T05:37:07.883505+00:00
codeforces:924-E
codeforces
924-E
Wardrobe
https://codeforces.com/problemset/problem/924/E
[ "dp", "greedy" ]
null
null
stdin_stdout
2,700
{ "solved_count": 602 }
2026-11-02T05:37:07.883505+00:00
codeforces:924-D
codeforces
924-D
Contact ATC
https://codeforces.com/problemset/problem/924/D
[]
null
null
stdin_stdout
2,500
{ "solved_count": 1016 }
2026-11-02T05:37:07.883505+00:00
codeforces:924-C
codeforces
924-C
Riverside Curio
https://codeforces.com/problemset/problem/924/C
[ "data structures", "dp", "greedy" ]
null
null
stdin_stdout
1,700
{ "solved_count": 4370 }
2026-11-02T05:37:07.883505+00:00
codeforces:924-B
codeforces
924-B
Three-level Laser
https://codeforces.com/problemset/problem/924/B
[ "binary search", "greedy", "two pointers" ]
null
null
stdin_stdout
1,600
{ "solved_count": 5670 }
2026-11-02T05:37:07.883505+00:00
codeforces:924-A
codeforces
924-A
Mystical Mosaic
https://codeforces.com/problemset/problem/924/A
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 5263 }
2026-11-02T05:37:07.883505+00:00
codeforces:923-F
codeforces
923-F
Public Service
https://codeforces.com/problemset/problem/923/F
[ "constructive algorithms", "graphs", "trees" ]
null
null
stdin_stdout
3,200
{ "solved_count": 158 }
2026-11-02T05:37:07.883505+00:00
codeforces:923-E
codeforces
923-E
Perpetual Subtraction
https://codeforces.com/problemset/problem/923/E
[ "fft", "math", "matrices" ]
null
null
stdin_stdout
3,100
{ "solved_count": 648 }
2026-11-02T05:37:07.883505+00:00
codeforces:923-D
codeforces
923-D
Picking Strings
https://codeforces.com/problemset/problem/923/D
[ "constructive algorithms", "implementation", "strings" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1476 }
2026-11-02T05:37:07.883505+00:00
codeforces:923-C
codeforces
923-C
Perfect Security
https://codeforces.com/problemset/problem/923/C
[ "data structures", "greedy", "strings", "trees" ]
null
null
stdin_stdout
1,800
{ "solved_count": 4944 }
2026-11-02T05:37:07.883505+00:00
codeforces:923-B
codeforces
923-B
Producing Snow
https://codeforces.com/problemset/problem/923/B
[ "binary search", "data structures" ]
null
null
stdin_stdout
1,600
{ "solved_count": 7859 }
2026-11-02T05:37:07.883505+00:00
codeforces:923-A
codeforces
923-A
Primal Sport
https://codeforces.com/problemset/problem/923/A
[ "math", "number theory" ]
null
null
stdin_stdout
1,700
{ "solved_count": 5509 }
2026-11-02T05:37:07.883505+00:00
codeforces:922-F
codeforces
922-F
Divisibility
https://codeforces.com/problemset/problem/922/F
[ "constructive algorithms", "dp", "greedy", "number theory" ]
null
null
stdin_stdout
2,400
{ "solved_count": 783 }
2026-11-02T05:37:07.883505+00:00
codeforces:922-E
codeforces
922-E
Birds
https://codeforces.com/problemset/problem/922/E
[ "dp" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2602 }
2026-11-02T05:37:07.883505+00:00
codeforces:922-D
codeforces
922-D
Robot Vacuum Cleaner
https://codeforces.com/problemset/problem/922/D
[ "greedy", "sortings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 4997 }
2026-11-02T05:37:07.883505+00:00
codeforces:922-C
codeforces
922-C
Cave Painting
https://codeforces.com/problemset/problem/922/C
[ "brute force", "number theory" ]
null
null
stdin_stdout
1,600
{ "solved_count": 7800 }
2026-11-02T05:37:07.883505+00:00
codeforces:922-B
codeforces
922-B
Magic Forest
https://codeforces.com/problemset/problem/922/B
[ "brute force" ]
null
null
stdin_stdout
1,300
{ "solved_count": 9800 }
2026-11-02T05:37:07.883505+00:00
codeforces:922-A
codeforces
922-A
Cloning Toys
https://codeforces.com/problemset/problem/922/A
[ "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 12883 }
2026-11-02T05:37:07.883505+00:00
codeforces:921-14
codeforces
921-14
Labyrinth-14
https://codeforces.com/problemset/problem/921/14
[]
null
null
stdin_stdout
3,200
{ "solved_count": 0 }
2026-11-02T05:37:07.883505+00:00
codeforces:921-13
codeforces
921-13
Labyrinth-13
https://codeforces.com/problemset/problem/921/13
[]
null
null
stdin_stdout
3,200
{ "solved_count": 0 }
2026-11-02T05:37:07.883505+00:00
codeforces:921-12
codeforces
921-12
Labyrinth-12
https://codeforces.com/problemset/problem/921/12
[]
null
null
stdin_stdout
3,200
{ "solved_count": 0 }
2026-11-02T05:37:07.883505+00:00
codeforces:921-11
codeforces
921-11
Labyrinth-11
https://codeforces.com/problemset/problem/921/11
[]
null
null
stdin_stdout
3,200
{ "solved_count": 0 }
2026-11-02T05:37:07.883505+00:00
codeforces:921-10
codeforces
921-10
Labyrinth-10
https://codeforces.com/problemset/problem/921/10
[]
null
null
stdin_stdout
3,200
{ "solved_count": 0 }
2026-11-02T05:37:07.883505+00:00
codeforces:921-09
codeforces
921-09
Labyrinth-9
https://codeforces.com/problemset/problem/921/09
[]
null
null
stdin_stdout
3,200
{ "solved_count": 0 }
2026-11-02T05:37:07.883505+00:00
codeforces:921-08
codeforces
921-08
Labyrinth-8
https://codeforces.com/problemset/problem/921/08
[]
null
null
stdin_stdout
3,200
{ "solved_count": 0 }
2026-11-02T05:37:07.883505+00:00
codeforces:921-07
codeforces
921-07
Labyrinth-7
https://codeforces.com/problemset/problem/921/07
[]
null
null
stdin_stdout
3,200
{ "solved_count": 0 }
2026-11-02T05:37:07.883505+00:00
codeforces:921-06
codeforces
921-06
Labyrinth-6
https://codeforces.com/problemset/problem/921/06
[]
null
null
stdin_stdout
3,200
{ "solved_count": 0 }
2026-11-02T05:37:07.883505+00:00
codeforces:921-05
codeforces
921-05
Labyrinth-5
https://codeforces.com/problemset/problem/921/05
[]
null
null
stdin_stdout
3,200
{ "solved_count": 0 }
2026-11-02T05:37:07.883505+00:00
codeforces:921-04
codeforces
921-04
Labyrinth-4
https://codeforces.com/problemset/problem/921/04
[]
null
null
stdin_stdout
3,200
{ "solved_count": 0 }
2026-11-02T05:37:07.883505+00:00
codeforces:921-03
codeforces
921-03
Labyrinth-3
https://codeforces.com/problemset/problem/921/03
[]
null
null
stdin_stdout
3,200
{ "solved_count": 0 }
2026-11-02T05:37:07.883505+00:00
codeforces:921-02
codeforces
921-02
Labyrinth-2
https://codeforces.com/problemset/problem/921/02
[]
null
null
stdin_stdout
3,200
{ "solved_count": 0 }
2026-11-02T05:37:07.883505+00:00
codeforces:921-01
codeforces
921-01
Labyrinth-1
https://codeforces.com/problemset/problem/921/01
[]
null
null
stdin_stdout
3,200
{ "solved_count": 0 }
2026-11-02T05:37:07.883505+00:00
codeforces:920-G
codeforces
920-G
List Of Integers
https://codeforces.com/problemset/problem/920/G
[ "binary search", "bitmasks", "brute force", "combinatorics", "math", "number theory" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2106 }
2026-11-02T05:37:07.883505+00:00
codeforces:920-F
codeforces
920-F
SUM and REPLACE
https://codeforces.com/problemset/problem/920/F
[ "brute force", "data structures", "dsu", "number theory" ]
null
null
stdin_stdout
2,000
{ "solved_count": 9445 }
2026-11-02T05:37:07.883505+00:00
codeforces:920-E
codeforces
920-E
Connected Components?
https://codeforces.com/problemset/problem/920/E
[ "data structures", "dfs and similar", "dsu", "graphs" ]
null
null
stdin_stdout
2,100
{ "solved_count": 8220 }
2026-11-02T05:37:07.883505+00:00
codeforces:920-D
codeforces
920-D
Tanks
https://codeforces.com/problemset/problem/920/D
[ "dp", "greedy", "implementation" ]
null
null
stdin_stdout
2,400
{ "solved_count": 850 }
2026-11-02T05:37:07.883505+00:00
codeforces:920-C
codeforces
920-C
Swap Adjacent Elements
https://codeforces.com/problemset/problem/920/C
[ "dfs and similar", "greedy", "math", "sortings", "two pointers" ]
null
null
stdin_stdout
1,400
{ "solved_count": 10164 }
2026-11-02T05:37:07.883505+00:00
codeforces:920-B
codeforces
920-B
Tea Queue
https://codeforces.com/problemset/problem/920/B
[ "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 8458 }
2026-11-02T05:37:07.883505+00:00
codeforces:920-A
codeforces
920-A
Water The Garden
https://codeforces.com/problemset/problem/920/A
[ "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 8294 }
2026-11-02T05:37:07.883505+00:00
codeforces:919-F
codeforces
919-F
A Game With Numbers
https://codeforces.com/problemset/problem/919/F
[ "games", "graphs", "shortest paths" ]
null
null
stdin_stdout
2,600
{ "solved_count": 475 }
2026-11-02T05:37:07.883505+00:00
codeforces:919-E
codeforces
919-E
Congruence Equation
https://codeforces.com/problemset/problem/919/E
[ "chinese remainder theorem", "math", "number theory" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2613 }
2026-11-02T05:37:07.883505+00:00
codeforces:919-D
codeforces
919-D
Substring
https://codeforces.com/problemset/problem/919/D
[ "dfs and similar", "dp", "graphs" ]
null
null
stdin_stdout
1,700
{ "solved_count": 13344 }
2026-11-02T05:37:07.883505+00:00
codeforces:919-C
codeforces
919-C
Seat Arrangements
https://codeforces.com/problemset/problem/919/C
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 9527 }
2026-11-02T05:37:07.883505+00:00
codeforces:919-B
codeforces
919-B
Perfect Number
https://codeforces.com/problemset/problem/919/B
[ "binary search", "brute force", "dp", "implementation", "number theory" ]
null
null
stdin_stdout
1,100
{ "solved_count": 32531 }
2026-11-02T05:37:07.883505+00:00
codeforces:919-A
codeforces
919-A
Supermarket
https://codeforces.com/problemset/problem/919/A
[ "brute force", "greedy", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 17098 }
2026-11-02T05:37:07.883505+00:00
codeforces:918-B
codeforces
918-B
Radio Station
https://codeforces.com/problemset/problem/918/B
[ "implementation", "strings" ]
null
null
stdin_stdout
900
{ "solved_count": 20995 }
2026-11-02T05:37:07.883505+00:00
codeforces:918-A
codeforces
918-A
Eleven
https://codeforces.com/problemset/problem/918/A
[ "brute force", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 18538 }
2026-11-02T05:37:07.883505+00:00
codeforces:917-E
codeforces
917-E
Upside Down
https://codeforces.com/problemset/problem/917/E
[ "data structures", "string suffix structures", "strings", "trees" ]
null
null
stdin_stdout
3,400
{ "solved_count": 199 }
2026-11-02T05:37:07.883505+00:00
codeforces:917-D
codeforces
917-D
Stranger Trees
https://codeforces.com/problemset/problem/917/D
[ "dp", "math", "matrices", "trees" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1548 }
2026-11-02T05:37:07.883505+00:00
codeforces:917-C
codeforces
917-C
Pollywog
https://codeforces.com/problemset/problem/917/C
[ "combinatorics", "dp", "matrices" ]
null
null
stdin_stdout
2,900
{ "solved_count": 494 }
2026-11-02T05:37:07.883505+00:00
codeforces:917-B
codeforces
917-B
MADMAX
https://codeforces.com/problemset/problem/917/B
[ "dfs and similar", "dp", "games", "graphs" ]
null
null
stdin_stdout
1,700
{ "solved_count": 4097 }
2026-11-02T05:37:07.883505+00:00
codeforces:917-A
codeforces
917-A
The Monster
https://codeforces.com/problemset/problem/917/A
[ "dp", "greedy", "implementation", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 3702 }
2026-11-02T05:37:07.883505+00:00
codeforces:916-E
codeforces
916-E
Jamie and Tree
https://codeforces.com/problemset/problem/916/E
[ "data structures", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2307 }
2026-11-02T05:37:07.883505+00:00
codeforces:916-D
codeforces
916-D
Jamie and To-do List
https://codeforces.com/problemset/problem/916/D
[ "data structures", "interactive", "trees" ]
null
null
stdin_stdout
2,200
{ "solved_count": 642 }
2026-11-02T05:37:07.883505+00:00
codeforces:916-C
codeforces
916-C
Jamie and Interesting Graph
https://codeforces.com/problemset/problem/916/C
[ "constructive algorithms", "graphs", "shortest paths" ]
null
null
stdin_stdout
1,600
{ "solved_count": 5644 }
2026-11-02T05:37:07.883505+00:00
codeforces:916-B
codeforces
916-B
Jamie and Binary Sequence (changed after round)
https://codeforces.com/problemset/problem/916/B
[ "bitmasks", "greedy", "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 2063 }
2026-11-02T05:37:07.883505+00:00
codeforces:916-A
codeforces
916-A
Jamie and Alarm Snooze
https://codeforces.com/problemset/problem/916/A
[ "brute force", "implementation", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 9873 }
2026-11-02T05:37:07.883505+00:00
codeforces:915-G
codeforces
915-G
Coprime Arrays
https://codeforces.com/problemset/problem/915/G
[ "math", "number theory" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1571 }
2026-11-02T05:37:07.883505+00:00
codeforces:915-F
codeforces
915-F
Imbalance Value of a Tree
https://codeforces.com/problemset/problem/915/F
[ "data structures", "dsu", "graphs", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 3408 }
2026-11-02T05:37:07.883505+00:00
codeforces:915-E
codeforces
915-E
Physical Education Lessons
https://codeforces.com/problemset/problem/915/E
[ "data structures", "implementation", "sortings" ]
null
null
stdin_stdout
2,300
{ "solved_count": 6116 }
2026-11-02T05:37:07.883505+00:00
codeforces:915-D
codeforces
915-D
Almost Acyclic Graph
https://codeforces.com/problemset/problem/915/D
[ "dfs and similar", "graphs" ]
null
null
stdin_stdout
2,200
{ "solved_count": 4266 }
2026-11-02T05:37:07.883505+00:00
codeforces:915-C
codeforces
915-C
Permute Digits
https://codeforces.com/problemset/problem/915/C
[ "dp", "greedy" ]
null
null
stdin_stdout
1,700
{ "solved_count": 7668 }
2026-11-02T05:37:07.883505+00:00
codeforces:915-B
codeforces
915-B
Browser
https://codeforces.com/problemset/problem/915/B
[ "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 8559 }
2026-11-02T05:37:07.883505+00:00
codeforces:915-A
codeforces
915-A
Garden
https://codeforces.com/problemset/problem/915/A
[ "implementation" ]
null
null
stdin_stdout
900
{ "solved_count": 16276 }
2026-11-02T05:37:07.883505+00:00
codeforces:914-H
codeforces
914-H
Ember and Storm's Tree Game
https://codeforces.com/problemset/problem/914/H
[ "combinatorics", "dp", "games", "trees" ]
null
null
stdin_stdout
3,400
{ "solved_count": 353 }
2026-11-02T05:37:07.883505+00:00
codeforces:914-G
codeforces
914-G
Sum the Fibonacci
https://codeforces.com/problemset/problem/914/G
[ "bitmasks", "divide and conquer", "dp", "fft", "math" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1293 }
2026-11-02T05:37:07.883505+00:00
codeforces:914-F
codeforces
914-F
Substrings in a String
https://codeforces.com/problemset/problem/914/F
[ "bitmasks", "brute force", "data structures", "string suffix structures", "strings" ]
null
null
stdin_stdout
3,000
{ "solved_count": 2700 }
2026-11-02T05:37:07.883505+00:00
codeforces:914-E
codeforces
914-E
Palindromes in a Tree
https://codeforces.com/problemset/problem/914/E
[ "bitmasks", "data structures", "divide and conquer", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2117 }
2026-11-02T05:37:07.883505+00:00
codeforces:914-D
codeforces
914-D
Bash and a Tough Math Puzzle
https://codeforces.com/problemset/problem/914/D
[ "data structures", "number theory" ]
null
null
stdin_stdout
1,900
{ "solved_count": 6876 }
2026-11-02T05:37:07.883505+00:00
codeforces:914-C
codeforces
914-C
Travelling Salesman and Special Numbers
https://codeforces.com/problemset/problem/914/C
[ "brute force", "combinatorics", "dp" ]
null
null
stdin_stdout
1,800
{ "solved_count": 4495 }
2026-11-02T05:37:07.883505+00:00
codeforces:914-B
codeforces
914-B
Conan and Agasa play a Card Game
https://codeforces.com/problemset/problem/914/B
[ "games", "greedy", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 9162 }
2026-11-02T05:37:07.883505+00:00
codeforces:914-A
codeforces
914-A
Perfect Squares
https://codeforces.com/problemset/problem/914/A
[ "brute force", "implementation", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 16144 }
2026-11-02T05:37:07.883505+00:00
codeforces:913-H
codeforces
913-H
Don't Exceed
https://codeforces.com/problemset/problem/913/H
[ "math", "probabilities" ]
null
null
stdin_stdout
3,400
{ "solved_count": 308 }
2026-11-02T05:37:07.883505+00:00
codeforces:913-G
codeforces
913-G
Power Substring
https://codeforces.com/problemset/problem/913/G
[ "math", "number theory" ]
null
null
stdin_stdout
3,200
{ "solved_count": 302 }
2026-11-02T05:37:07.883505+00:00
codeforces:913-F
codeforces
913-F
Strongly Connected Tournament
https://codeforces.com/problemset/problem/913/F
[ "dp", "graphs", "math", "probabilities" ]
null
null
stdin_stdout
2,800
{ "solved_count": 853 }
2026-11-02T05:37:07.883505+00:00
codeforces:913-E
codeforces
913-E
Logical Expression
https://codeforces.com/problemset/problem/913/E
[ "bitmasks", "dp", "shortest paths" ]
null
null
stdin_stdout
2,400
{ "solved_count": 935 }
2026-11-02T05:37:07.883505+00:00
codeforces:913-D
codeforces
913-D
Too Easy Problems
https://codeforces.com/problemset/problem/913/D
[ "binary search", "brute force", "data structures", "greedy", "sortings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 5210 }
2026-11-02T05:37:07.883505+00:00
codeforces:913-C
codeforces
913-C
Party Lemonade
https://codeforces.com/problemset/problem/913/C
[ "bitmasks", "dp", "greedy" ]
null
null
stdin_stdout
1,600
{ "solved_count": 8678 }
2026-11-02T05:37:07.883505+00:00
codeforces:913-B
codeforces
913-B
Christmas Spruce
https://codeforces.com/problemset/problem/913/B
[ "implementation", "trees" ]
null
null
stdin_stdout
1,200
{ "solved_count": 20239 }
2026-11-02T05:37:07.883505+00:00
codeforces:913-A
codeforces
913-A
Modular Exponentiation
https://codeforces.com/problemset/problem/913/A
[ "implementation", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 24844 }
2026-11-02T05:37:07.883505+00:00
codeforces:912-E
codeforces
912-E
Prime Gift
https://codeforces.com/problemset/problem/912/E
[ "binary search", "dfs and similar", "math", "meet-in-the-middle", "number theory", "two pointers" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2322 }
2026-11-02T05:37:07.883505+00:00
codeforces:912-D
codeforces
912-D
Fishes
https://codeforces.com/problemset/problem/912/D
[ "data structures", "graphs", "greedy", "probabilities", "shortest paths" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2208 }
2026-11-02T05:37:07.883505+00:00
codeforces:912-C
codeforces
912-C
Perun, Ult!
https://codeforces.com/problemset/problem/912/C
[ "brute force", "greedy", "sortings" ]
null
null
stdin_stdout
2,500
{ "solved_count": 626 }
2026-11-02T05:37:07.883505+00:00
codeforces:912-B
codeforces
912-B
New Year's Eve
https://codeforces.com/problemset/problem/912/B
[ "bitmasks", "constructive algorithms", "number theory" ]
null
null
stdin_stdout
1,300
{ "solved_count": 14492 }
2026-11-02T05:37:07.883505+00:00