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:912-A
codeforces
912-A
Tricky Alchemy
https://codeforces.com/problemset/problem/912/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 14589 }
2026-11-02T05:37:07.883505+00:00
codeforces:911-G
codeforces
911-G
Mass Change Queries
https://codeforces.com/problemset/problem/911/G
[ "data structures" ]
null
null
stdin_stdout
2,500
{ "solved_count": 4138 }
2026-11-02T05:37:07.883505+00:00
codeforces:911-F
codeforces
911-F
Tree Destruction
https://codeforces.com/problemset/problem/911/F
[ "constructive algorithms", "dfs and similar", "graphs", "greedy", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2448 }
2026-11-02T05:37:07.883505+00:00
codeforces:911-E
codeforces
911-E
Stack Sorting
https://codeforces.com/problemset/problem/911/E
[ "constructive algorithms", "data structures", "greedy", "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 3023 }
2026-11-02T05:37:07.883505+00:00
codeforces:911-D
codeforces
911-D
Inversion Counting
https://codeforces.com/problemset/problem/911/D
[ "brute force", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 5227 }
2026-11-02T05:37:07.883505+00:00
codeforces:911-C
codeforces
911-C
Three Garlands
https://codeforces.com/problemset/problem/911/C
[ "brute force", "constructive algorithms" ]
null
null
stdin_stdout
1,400
{ "solved_count": 7386 }
2026-11-02T05:37:07.883505+00:00
codeforces:911-B
codeforces
911-B
Two Cakes
https://codeforces.com/problemset/problem/911/B
[ "binary search", "brute force", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 13041 }
2026-11-02T05:37:07.883505+00:00
codeforces:911-A
codeforces
911-A
Nearest Minimums
https://codeforces.com/problemset/problem/911/A
[ "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 12541 }
2026-11-02T05:37:07.883505+00:00
codeforces:910-C
codeforces
910-C
Minimum Sum
https://codeforces.com/problemset/problem/910/C
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 2202 }
2026-11-02T05:37:07.883505+00:00
codeforces:910-B
codeforces
910-B
Door Frames
https://codeforces.com/problemset/problem/910/B
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,600
{ "solved_count": 1911 }
2026-11-02T05:37:07.883505+00:00
codeforces:910-A
codeforces
910-A
The Way to Home
https://codeforces.com/problemset/problem/910/A
[ "dfs and similar", "dp", "greedy", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 14636 }
2026-11-02T05:37:07.883505+00:00
codeforces:909-F
codeforces
909-F
AND-permutations
https://codeforces.com/problemset/problem/909/F
[ "constructive algorithms" ]
null
null
stdin_stdout
2,500
{ "solved_count": 702 }
2026-11-02T05:37:07.883505+00:00
codeforces:909-E
codeforces
909-E
Coprocessor
https://codeforces.com/problemset/problem/909/E
[ "dfs and similar", "dp", "graphs", "greedy" ]
null
null
stdin_stdout
1,900
{ "solved_count": 2627 }
2026-11-02T05:37:07.883505+00:00
codeforces:909-D
codeforces
909-D
Colorful Points
https://codeforces.com/problemset/problem/909/D
[ "data structures", "greedy", "implementation" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2220 }
2026-11-02T05:37:07.883505+00:00
codeforces:909-C
codeforces
909-C
Python Indentation
https://codeforces.com/problemset/problem/909/C
[ "dp" ]
null
null
stdin_stdout
1,800
{ "solved_count": 5602 }
2026-11-02T05:37:07.883505+00:00
codeforces:909-B
codeforces
909-B
Segments
https://codeforces.com/problemset/problem/909/B
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 6859 }
2026-11-02T05:37:07.883505+00:00
codeforces:909-A
codeforces
909-A
Generate Login
https://codeforces.com/problemset/problem/909/A
[ "brute force", "greedy", "sortings" ]
null
null
stdin_stdout
1,000
{ "solved_count": 10493 }
2026-11-02T05:37:07.883505+00:00
codeforces:908-H
codeforces
908-H
New Year and Boolean Bridges
https://codeforces.com/problemset/problem/908/H
[]
null
null
stdin_stdout
3,100
{ "solved_count": 671 }
2026-11-02T05:37:07.883505+00:00
codeforces:908-G
codeforces
908-G
New Year and Original Order
https://codeforces.com/problemset/problem/908/G
[ "dp", "math" ]
null
null
stdin_stdout
2,800
{ "solved_count": 1799 }
2026-11-02T05:37:07.883505+00:00
codeforces:908-F
codeforces
908-F
New Year and Rainbow Roads
https://codeforces.com/problemset/problem/908/F
[ "graphs", "greedy", "implementation" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1675 }
2026-11-02T05:37:07.883505+00:00
codeforces:908-E
codeforces
908-E
New Year and Entity Enumeration
https://codeforces.com/problemset/problem/908/E
[ "bitmasks", "combinatorics", "dp", "math" ]
null
null
stdin_stdout
2,500
{ "solved_count": 880 }
2026-11-02T05:37:07.883505+00:00
codeforces:908-D
codeforces
908-D
New Year and Arbitrary Arrangement
https://codeforces.com/problemset/problem/908/D
[ "dp", "math", "probabilities" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2813 }
2026-11-02T05:37:07.883505+00:00
codeforces:908-C
codeforces
908-C
New Year and Curling
https://codeforces.com/problemset/problem/908/C
[ "brute force", "geometry", "implementation", "math" ]
null
null
stdin_stdout
1,500
{ "solved_count": 7286 }
2026-11-02T05:37:07.883505+00:00
codeforces:908-B
codeforces
908-B
New Year and Buggy Bot
https://codeforces.com/problemset/problem/908/B
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 8130 }
2026-11-02T05:37:07.883505+00:00
codeforces:908-A
codeforces
908-A
New Year and Counting Cards
https://codeforces.com/problemset/problem/908/A
[ "brute force", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 16043 }
2026-11-02T05:37:07.883505+00:00
codeforces:907-B
codeforces
907-B
Tic-Tac-Toe
https://codeforces.com/problemset/problem/907/B
[ "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 4427 }
2026-11-02T05:37:07.883505+00:00
codeforces:907-A
codeforces
907-A
Masha and Bears
https://codeforces.com/problemset/problem/907/A
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 6092 }
2026-11-02T05:37:07.883505+00:00
codeforces:906-E
codeforces
906-E
Reverses
https://codeforces.com/problemset/problem/906/E
[ "dp", "string suffix structures", "strings" ]
null
null
stdin_stdout
3,300
{ "solved_count": 604 }
2026-11-02T05:37:07.883505+00:00
codeforces:906-D
codeforces
906-D
Power Tower
https://codeforces.com/problemset/problem/906/D
[ "chinese remainder theorem", "math", "number theory" ]
null
null
stdin_stdout
2,700
{ "solved_count": 2924 }
2026-11-02T05:37:07.883505+00:00
codeforces:906-C
codeforces
906-C
Party
https://codeforces.com/problemset/problem/906/C
[ "bitmasks", "brute force", "dp", "graphs" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1598 }
2026-11-02T05:37:07.883505+00:00
codeforces:906-B
codeforces
906-B
Seating of Students
https://codeforces.com/problemset/problem/906/B
[ "brute force", "constructive algorithms", "math" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1375 }
2026-11-02T05:37:07.883505+00:00
codeforces:906-A
codeforces
906-A
Shockers
https://codeforces.com/problemset/problem/906/A
[ "implementation", "strings" ]
null
null
stdin_stdout
1,600
{ "solved_count": 4516 }
2026-11-02T05:37:07.883505+00:00
codeforces:903-G
codeforces
903-G
Yet Another Maxflow Problem
https://codeforces.com/problemset/problem/903/G
[ "data structures", "flows", "graphs" ]
null
null
stdin_stdout
2,700
{ "solved_count": 779 }
2026-11-02T05:37:07.883505+00:00
codeforces:903-F
codeforces
903-F
Clear The Matrix
https://codeforces.com/problemset/problem/903/F
[ "bitmasks", "dp" ]
null
null
stdin_stdout
2,200
{ "solved_count": 826 }
2026-11-02T05:37:07.883505+00:00
codeforces:903-E
codeforces
903-E
Swapping Characters
https://codeforces.com/problemset/problem/903/E
[ "brute force", "hashing", "implementation", "strings" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1636 }
2026-11-02T05:37:07.883505+00:00
codeforces:903-D
codeforces
903-D
Almost Difference
https://codeforces.com/problemset/problem/903/D
[ "data structures", "math" ]
null
null
stdin_stdout
2,200
{ "solved_count": 5305 }
2026-11-02T05:37:07.883505+00:00
codeforces:903-C
codeforces
903-C
Boxes Packing
https://codeforces.com/problemset/problem/903/C
[ "greedy" ]
null
null
stdin_stdout
1,200
{ "solved_count": 24105 }
2026-11-02T05:37:07.883505+00:00
codeforces:903-B
codeforces
903-B
The Modcrab
https://codeforces.com/problemset/problem/903/B
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 8202 }
2026-11-02T05:37:07.883505+00:00
codeforces:903-A
codeforces
903-A
Hungry Student Problem
https://codeforces.com/problemset/problem/903/A
[ "greedy", "implementation" ]
null
null
stdin_stdout
900
{ "solved_count": 15736 }
2026-11-02T05:37:07.883505+00:00
codeforces:902-B
codeforces
902-B
Coloring a Tree
https://codeforces.com/problemset/problem/902/B
[ "dfs and similar", "dsu", "greedy" ]
null
null
stdin_stdout
1,200
{ "solved_count": 12216 }
2026-11-02T05:37:07.883505+00:00
codeforces:902-A
codeforces
902-A
Visiting a Friend
https://codeforces.com/problemset/problem/902/A
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 10373 }
2026-11-02T05:37:07.883505+00:00
codeforces:901-E
codeforces
901-E
Cyclic Cipher
https://codeforces.com/problemset/problem/901/E
[ "fft", "math" ]
null
null
stdin_stdout
3,300
{ "solved_count": 108 }
2026-11-02T05:37:07.883505+00:00
codeforces:901-D
codeforces
901-D
Weighting a Tree
https://codeforces.com/problemset/problem/901/D
[ "constructive algorithms", "dfs and similar", "graphs" ]
null
null
stdin_stdout
2,700
{ "solved_count": 699 }
2026-11-02T05:37:07.883505+00:00
codeforces:901-C
codeforces
901-C
Bipartite Segments
https://codeforces.com/problemset/problem/901/C
[ "binary search", "data structures", "dfs and similar", "dsu", "graphs", "two pointers" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1353 }
2026-11-02T05:37:07.883505+00:00
codeforces:901-B
codeforces
901-B
GCD of Polynomials
https://codeforces.com/problemset/problem/901/B
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1656 }
2026-11-02T05:37:07.883505+00:00
codeforces:901-A
codeforces
901-A
Hashing Trees
https://codeforces.com/problemset/problem/901/A
[ "constructive algorithms", "trees" ]
null
null
stdin_stdout
1,500
{ "solved_count": 5434 }
2026-11-02T05:37:07.883505+00:00
codeforces:900-E
codeforces
900-E
Maximum Questions
https://codeforces.com/problemset/problem/900/E
[ "data structures", "dp", "strings" ]
null
null
stdin_stdout
2,100
{ "solved_count": 1467 }
2026-11-02T05:37:07.883505+00:00
codeforces:900-D
codeforces
900-D
Unusual Sequences
https://codeforces.com/problemset/problem/900/D
[ "bitmasks", "combinatorics", "dp", "math", "number theory" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4023 }
2026-11-02T05:37:07.883505+00:00
codeforces:900-C
codeforces
900-C
Remove Extra One
https://codeforces.com/problemset/problem/900/C
[ "brute force", "data structures", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 5136 }
2026-11-02T05:37:07.883505+00:00
codeforces:900-B
codeforces
900-B
Position in Fraction
https://codeforces.com/problemset/problem/900/B
[ "math", "number theory" ]
null
null
stdin_stdout
1,300
{ "solved_count": 8597 }
2026-11-02T05:37:07.883505+00:00
codeforces:900-A
codeforces
900-A
Find Extra One
https://codeforces.com/problemset/problem/900/A
[ "geometry", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 15247 }
2026-11-02T05:37:07.883505+00:00
codeforces:899-F
codeforces
899-F
Letters Removing
https://codeforces.com/problemset/problem/899/F
[ "data structures", "strings" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2122 }
2026-11-02T05:37:07.883505+00:00
codeforces:899-E
codeforces
899-E
Segments Removal
https://codeforces.com/problemset/problem/899/E
[ "data structures", "dsu", "flows", "implementation", "two pointers" ]
null
null
stdin_stdout
2,000
{ "solved_count": 3750 }
2026-11-02T05:37:07.883505+00:00
codeforces:899-D
codeforces
899-D
Shovel Sale
https://codeforces.com/problemset/problem/899/D
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 3292 }
2026-11-02T05:37:07.883505+00:00
codeforces:899-C
codeforces
899-C
Dividing the numbers
https://codeforces.com/problemset/problem/899/C
[ "constructive algorithms", "graphs", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 9143 }
2026-11-02T05:37:07.883505+00:00
codeforces:899-B
codeforces
899-B
Months and Years
https://codeforces.com/problemset/problem/899/B
[ "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 6568 }
2026-11-02T05:37:07.883505+00:00
codeforces:899-A
codeforces
899-A
Splitting in Teams
https://codeforces.com/problemset/problem/899/A
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 11227 }
2026-11-02T05:37:07.883505+00:00
codeforces:898-F
codeforces
898-F
Restoring the Expression
https://codeforces.com/problemset/problem/898/F
[ "brute force", "hashing", "math" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1511 }
2026-11-02T05:37:07.883505+00:00
codeforces:898-E
codeforces
898-E
Squares and not squares
https://codeforces.com/problemset/problem/898/E
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
1,600
{ "solved_count": 4925 }
2026-11-02T05:37:07.883505+00:00
codeforces:898-D
codeforces
898-D
Alarm Clock
https://codeforces.com/problemset/problem/898/D
[ "greedy" ]
null
null
stdin_stdout
1,600
{ "solved_count": 4669 }
2026-11-02T05:37:07.883505+00:00
codeforces:898-C
codeforces
898-C
Phone Numbers
https://codeforces.com/problemset/problem/898/C
[ "implementation", "strings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 5928 }
2026-11-02T05:37:07.883505+00:00
codeforces:898-B
codeforces
898-B
Proper Nutrition
https://codeforces.com/problemset/problem/898/B
[ "brute force", "implementation", "number theory" ]
null
null
stdin_stdout
1,100
{ "solved_count": 10917 }
2026-11-02T05:37:07.883505+00:00
codeforces:898-A
codeforces
898-A
Rounding
https://codeforces.com/problemset/problem/898/A
[ "implementation", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 17835 }
2026-11-02T05:37:07.883505+00:00
codeforces:897-B
codeforces
897-B
Chtholly's request
https://codeforces.com/problemset/problem/897/B
[ "brute force" ]
null
null
stdin_stdout
1,300
{ "solved_count": 7634 }
2026-11-02T05:37:07.883505+00:00
codeforces:897-A
codeforces
897-A
Scarborough Fair
https://codeforces.com/problemset/problem/897/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 15286 }
2026-11-02T05:37:07.883505+00:00
codeforces:896-E
codeforces
896-E
Welcome home, Chtholly
https://codeforces.com/problemset/problem/896/E
[ "data structures", "dsu" ]
null
null
stdin_stdout
3,100
{ "solved_count": 2602 }
2026-11-02T05:37:07.883505+00:00
codeforces:896-D
codeforces
896-D
Nephren Runs a Cinema
https://codeforces.com/problemset/problem/896/D
[ "chinese remainder theorem", "combinatorics", "math", "number theory" ]
null
null
stdin_stdout
2,900
{ "solved_count": 786 }
2026-11-02T05:37:07.883505+00:00
codeforces:896-C
codeforces
896-C
Willem, Chtholly and Seniorious
https://codeforces.com/problemset/problem/896/C
[ "data structures", "probabilities" ]
null
null
stdin_stdout
2,600
{ "solved_count": 4785 }
2026-11-02T05:37:07.883505+00:00
codeforces:896-B
codeforces
896-B
Ithea Plays With Chtholly
https://codeforces.com/problemset/problem/896/B
[ "binary search", "constructive algorithms", "games", "greedy", "interactive" ]
null
null
stdin_stdout
2,000
{ "solved_count": 2372 }
2026-11-02T05:37:07.883505+00:00
codeforces:896-A
codeforces
896-A
Nephren gives a riddle
https://codeforces.com/problemset/problem/896/A
[ "binary search", "dfs and similar" ]
null
null
stdin_stdout
1,700
{ "solved_count": 3937 }
2026-11-02T05:37:07.883505+00:00
codeforces:895-E
codeforces
895-E
Eyes Closed
https://codeforces.com/problemset/problem/895/E
[ "data structures", "probabilities" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1328 }
2026-11-02T05:37:07.883505+00:00
codeforces:895-D
codeforces
895-D
String Mark
https://codeforces.com/problemset/problem/895/D
[ "combinatorics", "math", "strings" ]
null
null
stdin_stdout
2,100
{ "solved_count": 1300 }
2026-11-02T05:37:07.883505+00:00
codeforces:895-C
codeforces
895-C
Square Subsets
https://codeforces.com/problemset/problem/895/C
[ "bitmasks", "combinatorics", "dp", "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 8065 }
2026-11-02T05:37:07.883505+00:00
codeforces:895-B
codeforces
895-B
XK Segments
https://codeforces.com/problemset/problem/895/B
[ "binary search", "math", "sortings", "two pointers" ]
null
null
stdin_stdout
1,700
{ "solved_count": 3857 }
2026-11-02T05:37:07.883505+00:00
codeforces:895-A
codeforces
895-A
Pizza Separation
https://codeforces.com/problemset/problem/895/A
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 7009 }
2026-11-02T05:37:07.883505+00:00
codeforces:894-E
codeforces
894-E
Ralph and Mushrooms
https://codeforces.com/problemset/problem/894/E
[ "dp", "graphs" ]
null
null
stdin_stdout
2,100
{ "solved_count": 3628 }
2026-11-02T05:37:07.883505+00:00
codeforces:894-D
codeforces
894-D
Ralph And His Tour in Binary Country
https://codeforces.com/problemset/problem/894/D
[ "brute force", "data structures", "trees" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1244 }
2026-11-02T05:37:07.883505+00:00
codeforces:894-C
codeforces
894-C
Marco and GCD Sequence
https://codeforces.com/problemset/problem/894/C
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
1,900
{ "solved_count": 4686 }
2026-11-02T05:37:07.883505+00:00
codeforces:894-B
codeforces
894-B
Ralph And His Magic Field
https://codeforces.com/problemset/problem/894/B
[ "combinatorics", "constructive algorithms", "math", "number theory" ]
null
null
stdin_stdout
1,800
{ "solved_count": 4758 }
2026-11-02T05:37:07.883505+00:00
codeforces:894-A
codeforces
894-A
QAQ
https://codeforces.com/problemset/problem/894/A
[ "brute force", "dp" ]
null
null
stdin_stdout
800
{ "solved_count": 40489 }
2026-11-02T05:37:07.883505+00:00
codeforces:893-F
codeforces
893-F
Subtree Minimum Query
https://codeforces.com/problemset/problem/893/F
[ "data structures", "trees" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2686 }
2026-11-02T05:37:07.883505+00:00
codeforces:893-E
codeforces
893-E
Counting Arrays
https://codeforces.com/problemset/problem/893/E
[ "combinatorics", "dp", "math", "number theory" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4407 }
2026-11-02T05:37:07.883505+00:00
codeforces:893-D
codeforces
893-D
Credit Card
https://codeforces.com/problemset/problem/893/D
[ "data structures", "dp", "greedy", "implementation" ]
null
null
stdin_stdout
1,900
{ "solved_count": 3411 }
2026-11-02T05:37:07.883505+00:00
codeforces:893-C
codeforces
893-C
Rumor
https://codeforces.com/problemset/problem/893/C
[ "dfs and similar", "graphs", "greedy" ]
null
null
stdin_stdout
1,300
{ "solved_count": 29956 }
2026-11-02T05:37:07.883505+00:00
codeforces:893-B
codeforces
893-B
Beautiful Divisors
https://codeforces.com/problemset/problem/893/B
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 13029 }
2026-11-02T05:37:07.883505+00:00
codeforces:893-A
codeforces
893-A
Chess For Three
https://codeforces.com/problemset/problem/893/A
[ "implementation" ]
null
null
stdin_stdout
900
{ "solved_count": 11325 }
2026-11-02T05:37:07.883505+00:00
codeforces:892-B
codeforces
892-B
Wrath
https://codeforces.com/problemset/problem/892/B
[ "greedy", "implementation", "two pointers" ]
null
null
stdin_stdout
1,200
{ "solved_count": 10380 }
2026-11-02T05:37:07.883505+00:00
codeforces:892-A
codeforces
892-A
Greed
https://codeforces.com/problemset/problem/892/A
[ "greedy", "implementation" ]
null
null
stdin_stdout
900
{ "solved_count": 15299 }
2026-11-02T05:37:07.883505+00:00
codeforces:891-E
codeforces
891-E
Lust
https://codeforces.com/problemset/problem/891/E
[ "combinatorics", "math", "matrices" ]
null
null
stdin_stdout
3,000
{ "solved_count": 1295 }
2026-11-02T05:37:07.883505+00:00
codeforces:891-D
codeforces
891-D
Sloth
https://codeforces.com/problemset/problem/891/D
[ "dfs and similar", "dp", "graph matchings", "trees" ]
null
null
stdin_stdout
3,100
{ "solved_count": 490 }
2026-11-02T05:37:07.883505+00:00
codeforces:891-C
codeforces
891-C
Envy
https://codeforces.com/problemset/problem/891/C
[ "data structures", "dsu", "graphs" ]
null
null
stdin_stdout
2,300
{ "solved_count": 3326 }
2026-11-02T05:37:07.883505+00:00
codeforces:891-B
codeforces
891-B
Gluttony
https://codeforces.com/problemset/problem/891/B
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
2,000
{ "solved_count": 3305 }
2026-11-02T05:37:07.883505+00:00
codeforces:891-A
codeforces
891-A
Pride
https://codeforces.com/problemset/problem/891/A
[ "brute force", "dp", "greedy", "math", "number theory" ]
null
null
stdin_stdout
1,500
{ "solved_count": 15656 }
2026-11-02T05:37:07.883505+00:00
codeforces:889-E
codeforces
889-E
Mod Mod Mod
https://codeforces.com/problemset/problem/889/E
[ "binary search", "dp", "math" ]
null
null
stdin_stdout
3,000
{ "solved_count": 831 }
2026-11-02T05:37:07.883505+00:00
codeforces:888-G
codeforces
888-G
Xor-MST
https://codeforces.com/problemset/problem/888/G
[ "bitmasks", "constructive algorithms", "data structures" ]
null
null
stdin_stdout
2,300
{ "solved_count": 6423 }
2026-11-02T05:37:07.883505+00:00
codeforces:888-F
codeforces
888-F
Connecting Vertices
https://codeforces.com/problemset/problem/888/F
[ "dp", "graphs" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1234 }
2026-11-02T05:37:07.883505+00:00
codeforces:888-E
codeforces
888-E
Maximum Subsequence
https://codeforces.com/problemset/problem/888/E
[ "bitmasks", "divide and conquer", "meet-in-the-middle" ]
null
null
stdin_stdout
1,800
{ "solved_count": 10199 }
2026-11-02T05:37:07.883505+00:00
codeforces:888-D
codeforces
888-D
Almost Identity Permutations
https://codeforces.com/problemset/problem/888/D
[ "combinatorics", "dp", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 11217 }
2026-11-02T05:37:07.883505+00:00
codeforces:888-C
codeforces
888-C
K-Dominant Character
https://codeforces.com/problemset/problem/888/C
[ "binary search", "implementation", "two pointers" ]
null
null
stdin_stdout
1,400
{ "solved_count": 9193 }
2026-11-02T05:37:07.883505+00:00
codeforces:888-B
codeforces
888-B
Buggy Robot
https://codeforces.com/problemset/problem/888/B
[ "greedy" ]
null
null
stdin_stdout
1,000
{ "solved_count": 10950 }
2026-11-02T05:37:07.883505+00:00