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:1108-B
codeforces
1108-B
Divisors of Two Integers
https://codeforces.com/problemset/problem/1108/B
[ "brute force", "greedy", "math", "number theory" ]
null
null
stdin_stdout
1,100
{ "solved_count": 25269 }
2026-06-01T05:00:40.145500+00:00
codeforces:1108-A
codeforces
1108-A
Two distinct points
https://codeforces.com/problemset/problem/1108/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 23382 }
2026-06-01T05:00:40.145500+00:00
codeforces:1107-G
codeforces
1107-G
Vasya and Maximum Profit
https://codeforces.com/problemset/problem/1107/G
[ "binary search", "constructive algorithms", "data structures", "dp", "dsu" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1255 }
2026-06-01T05:00:40.145500+00:00
codeforces:1107-F
codeforces
1107-F
Vasya and Endless Credits
https://codeforces.com/problemset/problem/1107/F
[ "dp", "flows", "graph matchings", "graphs", "sortings" ]
null
null
stdin_stdout
2,600
{ "solved_count": 956 }
2026-06-01T05:00:40.145500+00:00
codeforces:1107-E
codeforces
1107-E
Vasya and Binary String
https://codeforces.com/problemset/problem/1107/E
[ "dp" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2803 }
2026-06-01T05:00:40.145500+00:00
codeforces:1107-D
codeforces
1107-D
Compression
https://codeforces.com/problemset/problem/1107/D
[ "dp", "implementation", "math", "number theory" ]
null
null
stdin_stdout
1,800
{ "solved_count": 3905 }
2026-06-01T05:00:40.145500+00:00
codeforces:1107-C
codeforces
1107-C
Brutality
https://codeforces.com/problemset/problem/1107/C
[ "greedy", "sortings", "two pointers" ]
null
null
stdin_stdout
1,300
{ "solved_count": 11041 }
2026-06-01T05:00:40.145500+00:00
codeforces:1107-B
codeforces
1107-B
Digital root
https://codeforces.com/problemset/problem/1107/B
[ "math", "number theory" ]
null
null
stdin_stdout
1,000
{ "solved_count": 17779 }
2026-06-01T05:00:40.145500+00:00
codeforces:1107-A
codeforces
1107-A
Digits Sequence Dividing
https://codeforces.com/problemset/problem/1107/A
[ "greedy", "strings" ]
null
null
stdin_stdout
900
{ "solved_count": 12796 }
2026-06-01T05:00:40.145500+00:00
codeforces:1106-F
codeforces
1106-F
Lunar New Year and a Recursive Sequence
https://codeforces.com/problemset/problem/1106/F
[ "math", "matrices", "number theory" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1187 }
2026-06-01T05:00:40.145500+00:00
codeforces:1106-E
codeforces
1106-E
Lunar New Year and Red Envelopes
https://codeforces.com/problemset/problem/1106/E
[ "data structures", "dp" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2824 }
2026-06-01T05:00:40.145500+00:00
codeforces:1106-D
codeforces
1106-D
Lunar New Year and a Wander
https://codeforces.com/problemset/problem/1106/D
[ "data structures", "dfs and similar", "graphs", "greedy", "shortest paths" ]
null
null
stdin_stdout
1,500
{ "solved_count": 19916 }
2026-06-01T05:00:40.145500+00:00
codeforces:1106-C
codeforces
1106-C
Lunar New Year and Number Division
https://codeforces.com/problemset/problem/1106/C
[ "greedy", "implementation", "math", "sortings" ]
null
null
stdin_stdout
900
{ "solved_count": 15962 }
2026-06-01T05:00:40.145500+00:00
codeforces:1106-B
codeforces
1106-B
Lunar New Year and Food Ordering
https://codeforces.com/problemset/problem/1106/B
[ "data structures", "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 7004 }
2026-06-01T05:00:40.145500+00:00
codeforces:1106-A
codeforces
1106-A
Lunar New Year and Cross Counting
https://codeforces.com/problemset/problem/1106/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 12897 }
2026-06-01T05:00:40.145500+00:00
codeforces:1105-E
codeforces
1105-E
Helping Hiasat
https://codeforces.com/problemset/problem/1105/E
[ "bitmasks", "brute force", "dp", "meet-in-the-middle" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1918 }
2026-06-01T05:00:40.145500+00:00
codeforces:1105-D
codeforces
1105-D
Kilani and the Game
https://codeforces.com/problemset/problem/1105/D
[ "dfs and similar", "graphs", "implementation", "shortest paths" ]
null
null
stdin_stdout
1,900
{ "solved_count": 4428 }
2026-06-01T05:00:40.145500+00:00
codeforces:1105-C
codeforces
1105-C
Ayoub and Lost Array
https://codeforces.com/problemset/problem/1105/C
[ "combinatorics", "dp", "math" ]
null
null
stdin_stdout
1,500
{ "solved_count": 11428 }
2026-06-01T05:00:40.145500+00:00
codeforces:1105-B
codeforces
1105-B
Zuhair and Strings
https://codeforces.com/problemset/problem/1105/B
[ "brute force", "implementation", "strings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 10567 }
2026-06-01T05:00:40.145500+00:00
codeforces:1105-A
codeforces
1105-A
Salem and Sticks
https://codeforces.com/problemset/problem/1105/A
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 11572 }
2026-06-01T05:00:40.145500+00:00
codeforces:1104-B
codeforces
1104-B
Game with string
https://codeforces.com/problemset/problem/1104/B
[ "data structures", "implementation", "math" ]
null
null
stdin_stdout
1,200
{ "solved_count": 16924 }
2026-06-01T05:00:40.145500+00:00
codeforces:1104-A
codeforces
1104-A
Splitting into digits
https://codeforces.com/problemset/problem/1104/A
[ "constructive algorithms", "implementation", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 15913 }
2026-06-01T05:00:40.145500+00:00
codeforces:1103-E
codeforces
1103-E
Radix sum
https://codeforces.com/problemset/problem/1103/E
[ "fft", "math", "number theory" ]
null
null
stdin_stdout
3,400
{ "solved_count": 284 }
2026-06-01T05:00:40.145500+00:00
codeforces:1103-D
codeforces
1103-D
Professional layer
https://codeforces.com/problemset/problem/1103/D
[ "bitmasks", "dp" ]
null
null
stdin_stdout
3,100
{ "solved_count": 495 }
2026-06-01T05:00:40.145500+00:00
codeforces:1103-C
codeforces
1103-C
Johnny Solving
https://codeforces.com/problemset/problem/1103/C
[ "constructive algorithms", "dfs and similar", "graphs", "math" ]
null
null
stdin_stdout
2,700
{ "solved_count": 957 }
2026-06-01T05:00:40.145500+00:00
codeforces:1103-B
codeforces
1103-B
Game with modulo
https://codeforces.com/problemset/problem/1103/B
[ "binary search", "constructive algorithms", "interactive" ]
null
null
stdin_stdout
2,000
{ "solved_count": 3536 }
2026-06-01T05:00:40.145500+00:00
codeforces:1103-A
codeforces
1103-A
Grid game
https://codeforces.com/problemset/problem/1103/A
[ "constructive algorithms", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 10615 }
2026-06-01T05:00:40.145500+00:00
codeforces:1102-F
codeforces
1102-F
Elongated Matrix
https://codeforces.com/problemset/problem/1102/F
[ "binary search", "bitmasks", "brute force", "dp", "graphs" ]
null
null
stdin_stdout
2,000
{ "solved_count": 2378 }
2026-06-01T05:00:40.145500+00:00
codeforces:1102-E
codeforces
1102-E
Monotonic Renumeration
https://codeforces.com/problemset/problem/1102/E
[ "combinatorics", "sortings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 6972 }
2026-06-01T05:00:40.145500+00:00
codeforces:1102-D
codeforces
1102-D
Balanced Ternary String
https://codeforces.com/problemset/problem/1102/D
[ "greedy", "strings" ]
null
null
stdin_stdout
1,500
{ "solved_count": 8571 }
2026-06-01T05:00:40.145500+00:00
codeforces:1102-C
codeforces
1102-C
Doors Breaking and Repairing
https://codeforces.com/problemset/problem/1102/C
[ "games" ]
null
null
stdin_stdout
1,200
{ "solved_count": 14194 }
2026-06-01T05:00:40.145500+00:00
codeforces:1102-B
codeforces
1102-B
Array K-Coloring
https://codeforces.com/problemset/problem/1102/B
[ "greedy", "sortings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 11168 }
2026-06-01T05:00:40.145500+00:00
codeforces:1102-A
codeforces
1102-A
Integer Sequence Dividing
https://codeforces.com/problemset/problem/1102/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 26692 }
2026-06-01T05:00:40.145500+00:00
codeforces:1101-G
codeforces
1101-G
(Zero XOR Subset)-less
https://codeforces.com/problemset/problem/1101/G
[ "math", "matrices" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2237 }
2026-06-01T05:00:40.145500+00:00
codeforces:1101-F
codeforces
1101-F
Trucks and Cities
https://codeforces.com/problemset/problem/1101/F
[ "binary search", "dp" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1645 }
2026-06-01T05:00:40.145500+00:00
codeforces:1101-E
codeforces
1101-E
Polycarp's New Job
https://codeforces.com/problemset/problem/1101/E
[ "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 8264 }
2026-06-01T05:00:40.145500+00:00
codeforces:1101-D
codeforces
1101-D
GCD Counting
https://codeforces.com/problemset/problem/1101/D
[ "data structures", "dfs and similar", "dp", "number theory", "trees" ]
null
null
stdin_stdout
2,000
{ "solved_count": 5449 }
2026-06-01T05:00:40.145500+00:00
codeforces:1101-C
codeforces
1101-C
Division and Union
https://codeforces.com/problemset/problem/1101/C
[ "sortings" ]
null
null
stdin_stdout
1,500
{ "solved_count": 12215 }
2026-06-01T05:00:40.145500+00:00
codeforces:1101-B
codeforces
1101-B
Accordion
https://codeforces.com/problemset/problem/1101/B
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 11126 }
2026-06-01T05:00:40.145500+00:00
codeforces:1101-A
codeforces
1101-A
Minimum Integer
https://codeforces.com/problemset/problem/1101/A
[ "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 18846 }
2026-06-01T05:00:40.145500+00:00
codeforces:1100-F
codeforces
1100-F
Ivan and Burgers
https://codeforces.com/problemset/problem/1100/F
[ "data structures", "divide and conquer", "greedy", "math" ]
null
null
stdin_stdout
2,500
{ "solved_count": 3736 }
2026-06-01T05:00:40.145500+00:00
codeforces:1100-E
codeforces
1100-E
Andrew and Taxi
https://codeforces.com/problemset/problem/1100/E
[ "binary search", "dfs and similar", "graphs" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2672 }
2026-06-01T05:00:40.145500+00:00
codeforces:1100-D
codeforces
1100-D
Dasha and Chess
https://codeforces.com/problemset/problem/1100/D
[ "constructive algorithms", "games", "interactive" ]
null
null
stdin_stdout
2,500
{ "solved_count": 916 }
2026-06-01T05:00:40.145500+00:00
codeforces:1100-C
codeforces
1100-C
NN and the Optical Illusion
https://codeforces.com/problemset/problem/1100/C
[ "binary search", "geometry", "math" ]
null
null
stdin_stdout
1,200
{ "solved_count": 10949 }
2026-06-01T05:00:40.145500+00:00
codeforces:1100-B
codeforces
1100-B
Build a Contest
https://codeforces.com/problemset/problem/1100/B
[ "data structures", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 11803 }
2026-06-01T05:00:40.145500+00:00
codeforces:1100-A
codeforces
1100-A
Roman and Browser
https://codeforces.com/problemset/problem/1100/A
[ "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 10724 }
2026-06-01T05:00:40.145500+00:00
codeforces:1099-F
codeforces
1099-F
Cookies
https://codeforces.com/problemset/problem/1099/F
[ "binary search", "data structures", "dfs and similar", "dp", "games", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1052 }
2026-06-01T05:00:40.145500+00:00
codeforces:1099-C
codeforces
1099-C
Postcard
https://codeforces.com/problemset/problem/1099/C
[ "constructive algorithms", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 10443 }
2026-06-01T05:00:40.145500+00:00
codeforces:1099-B
codeforces
1099-B
Squares and Segments
https://codeforces.com/problemset/problem/1099/B
[ "binary search", "constructive algorithms", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 11485 }
2026-06-01T05:00:40.145500+00:00
codeforces:1099-A
codeforces
1099-A
Snowball
https://codeforces.com/problemset/problem/1099/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 13359 }
2026-06-01T05:00:40.145500+00:00
codeforces:1098-F
codeforces
1098-F
Ж-function
https://codeforces.com/problemset/problem/1098/F
[ "string suffix structures", "strings" ]
null
null
stdin_stdout
3,500
{ "solved_count": 281 }
2026-06-01T05:00:40.145500+00:00
codeforces:1098-E
codeforces
1098-E
Fedya the Potter
https://codeforces.com/problemset/problem/1098/E
[ "binary search", "implementation", "math", "number theory" ]
null
null
stdin_stdout
3,400
{ "solved_count": 274 }
2026-06-01T05:00:40.145500+00:00
codeforces:1098-D
codeforces
1098-D
Eels
https://codeforces.com/problemset/problem/1098/D
[ "data structures" ]
null
null
stdin_stdout
2,800
{ "solved_count": 883 }
2026-06-01T05:00:40.145500+00:00
codeforces:1098-C
codeforces
1098-C
Construct a tree
https://codeforces.com/problemset/problem/1098/C
[ "binary search", "constructive algorithms", "dfs and similar", "graphs", "greedy", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1162 }
2026-06-01T05:00:40.145500+00:00
codeforces:1098-B
codeforces
1098-B
Nice table
https://codeforces.com/problemset/problem/1098/B
[ "brute force", "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
2,100
{ "solved_count": 1798 }
2026-06-01T05:00:40.145500+00:00
codeforces:1098-A
codeforces
1098-A
Sum in the tree
https://codeforces.com/problemset/problem/1098/A
[ "constructive algorithms", "dfs and similar", "greedy", "trees" ]
null
null
stdin_stdout
1,600
{ "solved_count": 9576 }
2026-06-01T05:00:40.145500+00:00
codeforces:1097-H
codeforces
1097-H
Mateusz and an Infinite Sequence
https://codeforces.com/problemset/problem/1097/H
[ "bitmasks", "brute force", "dp", "strings" ]
null
null
stdin_stdout
3,400
{ "solved_count": 140 }
2026-06-01T05:00:40.145500+00:00
codeforces:1097-G
codeforces
1097-G
Vladislav and a Great Legend
https://codeforces.com/problemset/problem/1097/G
[ "combinatorics", "dp", "trees" ]
null
null
stdin_stdout
3,000
{ "solved_count": 1059 }
2026-06-01T05:00:40.145500+00:00
codeforces:1097-F
codeforces
1097-F
Alex and a TV Show
https://codeforces.com/problemset/problem/1097/F
[ "bitmasks", "combinatorics", "number theory" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1477 }
2026-06-01T05:00:40.145500+00:00
codeforces:1097-E
codeforces
1097-E
Egor and an RPG game
https://codeforces.com/problemset/problem/1097/E
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
3,400
{ "solved_count": 536 }
2026-06-01T05:00:40.145500+00:00
codeforces:1097-D
codeforces
1097-D
Makoto and a Blackboard
https://codeforces.com/problemset/problem/1097/D
[ "dp", "math", "number theory", "probabilities" ]
null
null
stdin_stdout
2,200
{ "solved_count": 3200 }
2026-06-01T05:00:40.145500+00:00
codeforces:1097-C
codeforces
1097-C
Yuhao and a Parenthesis
https://codeforces.com/problemset/problem/1097/C
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 8791 }
2026-06-01T05:00:40.145500+00:00
codeforces:1097-B
codeforces
1097-B
Petr and a Combination Lock
https://codeforces.com/problemset/problem/1097/B
[ "bitmasks", "brute force", "dp" ]
null
null
stdin_stdout
1,200
{ "solved_count": 36291 }
2026-06-01T05:00:40.145500+00:00
codeforces:1097-A
codeforces
1097-A
Gennady and a Card Game
https://codeforces.com/problemset/problem/1097/A
[ "brute force", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 43993 }
2026-06-01T05:00:40.145500+00:00
codeforces:1096-G
codeforces
1096-G
Lucky Tickets
https://codeforces.com/problemset/problem/1096/G
[ "divide and conquer", "dp", "fft" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1990 }
2026-06-01T05:00:40.145500+00:00
codeforces:1096-F
codeforces
1096-F
Inversion Expectation
https://codeforces.com/problemset/problem/1096/F
[ "dp", "math", "probabilities" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2075 }
2026-06-01T05:00:40.145500+00:00
codeforces:1096-E
codeforces
1096-E
The Top Scorer
https://codeforces.com/problemset/problem/1096/E
[ "combinatorics", "dp", "math", "probabilities" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1285 }
2026-06-01T05:00:40.145500+00:00
codeforces:1096-D
codeforces
1096-D
Easy Problem
https://codeforces.com/problemset/problem/1096/D
[ "dp" ]
null
null
stdin_stdout
1,800
{ "solved_count": 9464 }
2026-06-01T05:00:40.145500+00:00
codeforces:1096-C
codeforces
1096-C
Polygon for the Angle
https://codeforces.com/problemset/problem/1096/C
[ "brute force", "geometry" ]
null
null
stdin_stdout
1,600
{ "solved_count": 7248 }
2026-06-01T05:00:40.145500+00:00
codeforces:1096-B
codeforces
1096-B
Substring Removal
https://codeforces.com/problemset/problem/1096/B
[ "combinatorics", "math", "strings" ]
null
null
stdin_stdout
1,300
{ "solved_count": 11739 }
2026-06-01T05:00:40.145500+00:00
codeforces:1096-A
codeforces
1096-A
Find Divisible
https://codeforces.com/problemset/problem/1096/A
[ "greedy", "implementation", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 19660 }
2026-06-01T05:00:40.145500+00:00
codeforces:1095-F
codeforces
1095-F
Make It Connected
https://codeforces.com/problemset/problem/1095/F
[ "dsu", "graphs", "greedy" ]
null
null
stdin_stdout
1,900
{ "solved_count": 7631 }
2026-06-01T05:00:40.145500+00:00
codeforces:1095-E
codeforces
1095-E
Almost Regular Bracket Sequence
https://codeforces.com/problemset/problem/1095/E
[ "implementation" ]
null
null
stdin_stdout
1,900
{ "solved_count": 4492 }
2026-06-01T05:00:40.145500+00:00
codeforces:1095-D
codeforces
1095-D
Circular Dance
https://codeforces.com/problemset/problem/1095/D
[ "implementation" ]
null
null
stdin_stdout
1,600
{ "solved_count": 8106 }
2026-06-01T05:00:40.145500+00:00
codeforces:1095-C
codeforces
1095-C
Powers Of Two
https://codeforces.com/problemset/problem/1095/C
[ "bitmasks", "greedy" ]
null
null
stdin_stdout
1,400
{ "solved_count": 19702 }
2026-06-01T05:00:40.145500+00:00
codeforces:1095-B
codeforces
1095-B
Array Stabilization
https://codeforces.com/problemset/problem/1095/B
[ "implementation" ]
null
null
stdin_stdout
900
{ "solved_count": 24423 }
2026-06-01T05:00:40.145500+00:00
codeforces:1095-A
codeforces
1095-A
Repeating Cipher
https://codeforces.com/problemset/problem/1095/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 36667 }
2026-06-01T05:00:40.145500+00:00
codeforces:1093-G
codeforces
1093-G
Multidimensional Queries
https://codeforces.com/problemset/problem/1093/G
[ "bitmasks", "data structures" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2228 }
2026-06-01T05:00:40.145500+00:00
codeforces:1093-F
codeforces
1093-F
Vasya and Array
https://codeforces.com/problemset/problem/1093/F
[ "dp" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1365 }
2026-06-01T05:00:40.145500+00:00
codeforces:1093-E
codeforces
1093-E
Intersection of Permutations
https://codeforces.com/problemset/problem/1093/E
[ "data structures" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1870 }
2026-06-01T05:00:40.145500+00:00
codeforces:1093-D
codeforces
1093-D
Beautiful Graph
https://codeforces.com/problemset/problem/1093/D
[ "dfs and similar", "graphs" ]
null
null
stdin_stdout
1,700
{ "solved_count": 11430 }
2026-06-01T05:00:40.145500+00:00
codeforces:1093-C
codeforces
1093-C
Mishka and the Last Exam
https://codeforces.com/problemset/problem/1093/C
[ "greedy" ]
null
null
stdin_stdout
1,300
{ "solved_count": 9726 }
2026-06-01T05:00:40.145500+00:00
codeforces:1093-B
codeforces
1093-B
Letters Rearranging
https://codeforces.com/problemset/problem/1093/B
[ "constructive algorithms", "greedy", "sortings", "strings" ]
null
null
stdin_stdout
900
{ "solved_count": 17756 }
2026-06-01T05:00:40.145500+00:00
codeforces:1093-A
codeforces
1093-A
Dice Rolling
https://codeforces.com/problemset/problem/1093/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 18378 }
2026-06-01T05:00:40.145500+00:00
codeforces:1092-F
codeforces
1092-F
Tree with Maximum Cost
https://codeforces.com/problemset/problem/1092/F
[ "dfs and similar", "dp", "trees" ]
null
null
stdin_stdout
1,900
{ "solved_count": 10997 }
2026-06-01T05:00:40.145500+00:00
codeforces:1092-E
codeforces
1092-E
Minimal Diameter Forest
https://codeforces.com/problemset/problem/1092/E
[ "constructive algorithms", "dfs and similar", "greedy", "trees" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1994 }
2026-06-01T05:00:40.145500+00:00
codeforces:1092-D2
codeforces
1092-D2
Great Vova Wall (Version 2)
https://codeforces.com/problemset/problem/1092/D2
[ "data structures", "implementation" ]
null
null
stdin_stdout
2,200
{ "solved_count": 3387 }
2026-06-01T05:00:40.145500+00:00
codeforces:1092-D1
codeforces
1092-D1
Great Vova Wall (Version 1)
https://codeforces.com/problemset/problem/1092/D1
[ "greedy", "implementation", "math" ]
null
null
stdin_stdout
2,200
{ "solved_count": 5711 }
2026-06-01T05:00:40.145500+00:00
codeforces:1092-C
codeforces
1092-C
Prefixes and Suffixes
https://codeforces.com/problemset/problem/1092/C
[ "strings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 6359 }
2026-06-01T05:00:40.145500+00:00
codeforces:1092-B
codeforces
1092-B
Teams Forming
https://codeforces.com/problemset/problem/1092/B
[ "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 29283 }
2026-06-01T05:00:40.145500+00:00
codeforces:1092-A
codeforces
1092-A
Uniform String
https://codeforces.com/problemset/problem/1092/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 17311 }
2026-06-01T05:00:40.145500+00:00
codeforces:1091-H
codeforces
1091-H
New Year and the Tricolore Recreation
https://codeforces.com/problemset/problem/1091/H
[ "games" ]
null
null
stdin_stdout
3,200
{ "solved_count": 499 }
2026-06-01T05:00:40.145500+00:00
codeforces:1091-G
codeforces
1091-G
New Year and the Factorisation Collaboration
https://codeforces.com/problemset/problem/1091/G
[ "interactive", "math", "number theory" ]
null
null
stdin_stdout
3,200
{ "solved_count": 227 }
2026-06-01T05:00:40.145500+00:00
codeforces:1091-F
codeforces
1091-F
New Year and the Mallard Expedition
https://codeforces.com/problemset/problem/1091/F
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
2,600
{ "solved_count": 892 }
2026-06-01T05:00:40.145500+00:00
codeforces:1091-E
codeforces
1091-E
New Year and the Acquaintance Estimation
https://codeforces.com/problemset/problem/1091/E
[ "binary search", "data structures", "graphs", "greedy", "implementation", "math", "sortings" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1089 }
2026-06-01T05:00:40.145500+00:00
codeforces:1091-D
codeforces
1091-D
New Year and the Permutation Concatenation
https://codeforces.com/problemset/problem/1091/D
[ "combinatorics", "dp", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 7501 }
2026-06-01T05:00:40.145500+00:00
codeforces:1091-C
codeforces
1091-C
New Year and the Sphere Transmission
https://codeforces.com/problemset/problem/1091/C
[ "math", "number theory" ]
null
null
stdin_stdout
1,400
{ "solved_count": 10576 }
2026-06-01T05:00:40.145500+00:00
codeforces:1091-B
codeforces
1091-B
New Year and the Treasure Geolocation
https://codeforces.com/problemset/problem/1091/B
[ "brute force", "constructive algorithms", "greedy", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 11018 }
2026-06-01T05:00:40.145500+00:00
codeforces:1091-A
codeforces
1091-A
New Year and the Christmas Ornament
https://codeforces.com/problemset/problem/1091/A
[ "brute force", "implementation", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 18573 }
2026-06-01T05:00:40.145500+00:00
codeforces:1090-M
codeforces
1090-M
The Pleasant Walk
https://codeforces.com/problemset/problem/1090/M
[ "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 7194 }
2026-06-01T05:00:40.145500+00:00