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:1395-B
codeforces
1395-B
Boboniu Plays Chess
https://codeforces.com/problemset/problem/1395/B
[ "constructive algorithms" ]
null
null
stdin_stdout
1,100
{ "solved_count": 16452 }
2026-11-02T05:37:07.883505+00:00
codeforces:1395-A
codeforces
1395-A
Boboniu Likes to Color Balls
https://codeforces.com/problemset/problem/1395/A
[ "brute force", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 25775 }
2026-11-02T05:37:07.883505+00:00
codeforces:1394-E
codeforces
1394-E
Boboniu and Banknote Collection
https://codeforces.com/problemset/problem/1394/E
[ "strings" ]
null
null
stdin_stdout
3,500
{ "solved_count": 186 }
2026-11-02T05:37:07.883505+00:00
codeforces:1394-D
codeforces
1394-D
Boboniu and Jianghu
https://codeforces.com/problemset/problem/1394/D
[ "dp", "greedy", "sortings", "trees" ]
null
null
stdin_stdout
2,800
{ "solved_count": 1334 }
2026-11-02T05:37:07.883505+00:00
codeforces:1394-C
codeforces
1394-C
Boboniu and String
https://codeforces.com/problemset/problem/1394/C
[ "binary search", "geometry", "ternary search" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1300 }
2026-11-02T05:37:07.883505+00:00
codeforces:1394-B
codeforces
1394-B
Boboniu Walks on Graph
https://codeforces.com/problemset/problem/1394/B
[ "brute force", "dfs and similar", "graphs", "hashing" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2198 }
2026-11-02T05:37:07.883505+00:00
codeforces:1394-A
codeforces
1394-A
Boboniu Chats with Du
https://codeforces.com/problemset/problem/1394/A
[ "dp", "greedy", "sortings", "two pointers" ]
null
null
stdin_stdout
1,800
{ "solved_count": 7196 }
2026-11-02T05:37:07.883505+00:00
codeforces:1393-E2
codeforces
1393-E2
Twilight and Ancient Scroll (harder version)
https://codeforces.com/problemset/problem/1393/E2
[ "dp", "hashing", "implementation", "string suffix structures", "strings", "two pointers" ]
null
null
stdin_stdout
3,200
{ "solved_count": 572 }
2026-11-02T05:37:07.883505+00:00
codeforces:1393-E1
codeforces
1393-E1
Twilight and Ancient Scroll (easier version)
https://codeforces.com/problemset/problem/1393/E1
[ "dp", "hashing", "implementation", "string suffix structures", "strings" ]
null
null
stdin_stdout
2,800
{ "solved_count": 538 }
2026-11-02T05:37:07.883505+00:00
codeforces:1393-D
codeforces
1393-D
Rarity and New Dress
https://codeforces.com/problemset/problem/1393/D
[ "dfs and similar", "dp", "implementation", "shortest paths" ]
null
null
stdin_stdout
2,100
{ "solved_count": 4266 }
2026-11-02T05:37:07.883505+00:00
codeforces:1393-C
codeforces
1393-C
Pinkie Pie Eats Patty-cakes
https://codeforces.com/problemset/problem/1393/C
[ "constructive algorithms", "greedy", "math", "sortings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 11151 }
2026-11-02T05:37:07.883505+00:00
codeforces:1393-B
codeforces
1393-B
Applejack and Storages
https://codeforces.com/problemset/problem/1393/B
[ "constructive algorithms", "data structures", "greedy", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 17551 }
2026-11-02T05:37:07.883505+00:00
codeforces:1393-A
codeforces
1393-A
Rainbow Dash, Fluttershy and Chess Coloring
https://codeforces.com/problemset/problem/1393/A
[ "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 20884 }
2026-11-02T05:37:07.883505+00:00
codeforces:1392-I
codeforces
1392-I
Kevin and Grid
https://codeforces.com/problemset/problem/1392/I
[ "fft", "graphs", "math" ]
null
null
stdin_stdout
3,300
{ "solved_count": 336 }
2026-11-02T05:37:07.883505+00:00
codeforces:1392-H
codeforces
1392-H
ZS Shuffles Cards
https://codeforces.com/problemset/problem/1392/H
[ "combinatorics", "dp", "math", "probabilities" ]
null
null
stdin_stdout
3,000
{ "solved_count": 1243 }
2026-11-02T05:37:07.883505+00:00
codeforces:1392-G
codeforces
1392-G
Omkar and Pies
https://codeforces.com/problemset/problem/1392/G
[ "bitmasks", "dfs and similar", "dp", "math", "shortest paths" ]
null
null
stdin_stdout
2,900
{ "solved_count": 805 }
2026-11-02T05:37:07.883505+00:00
codeforces:1392-F
codeforces
1392-F
Omkar and Landslide
https://codeforces.com/problemset/problem/1392/F
[ "binary search", "constructive algorithms", "data structures", "greedy", "math" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2747 }
2026-11-02T05:37:07.883505+00:00
codeforces:1392-E
codeforces
1392-E
Omkar and Duck
https://codeforces.com/problemset/problem/1392/E
[ "bitmasks", "constructive algorithms", "interactive", "math" ]
null
null
stdin_stdout
2,100
{ "solved_count": 3990 }
2026-11-02T05:37:07.883505+00:00
codeforces:1392-D
codeforces
1392-D
Omkar and Bed Wars
https://codeforces.com/problemset/problem/1392/D
[ "dp", "greedy" ]
null
null
stdin_stdout
1,700
{ "solved_count": 10089 }
2026-11-02T05:37:07.883505+00:00
codeforces:1392-C
codeforces
1392-C
Omkar and Waterslide
https://codeforces.com/problemset/problem/1392/C
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 19836 }
2026-11-02T05:37:07.883505+00:00
codeforces:1392-B
codeforces
1392-B
Omkar and Infinity Clock
https://codeforces.com/problemset/problem/1392/B
[ "implementation", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 18997 }
2026-11-02T05:37:07.883505+00:00
codeforces:1392-A
codeforces
1392-A
Omkar and Password
https://codeforces.com/problemset/problem/1392/A
[ "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 21877 }
2026-11-02T05:37:07.883505+00:00
codeforces:1391-E
codeforces
1391-E
Pairs of Pairs
https://codeforces.com/problemset/problem/1391/E
[ "constructive algorithms", "dfs and similar", "graphs", "greedy", "trees" ]
null
null
stdin_stdout
2,600
{ "solved_count": 2131 }
2026-11-02T05:37:07.883505+00:00
codeforces:1391-D
codeforces
1391-D
505
https://codeforces.com/problemset/problem/1391/D
[ "bitmasks", "brute force", "constructive algorithms", "dp", "greedy", "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 5954 }
2026-11-02T05:37:07.883505+00:00
codeforces:1391-C
codeforces
1391-C
Cyclic Permutations
https://codeforces.com/problemset/problem/1391/C
[ "combinatorics", "dp", "graphs", "math" ]
null
null
stdin_stdout
1,500
{ "solved_count": 16281 }
2026-11-02T05:37:07.883505+00:00
codeforces:1391-B
codeforces
1391-B
Fix You
https://codeforces.com/problemset/problem/1391/B
[ "brute force", "greedy", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 30408 }
2026-11-02T05:37:07.883505+00:00
codeforces:1391-A
codeforces
1391-A
Suborrays
https://codeforces.com/problemset/problem/1391/A
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 25224 }
2026-11-02T05:37:07.883505+00:00
codeforces:1389-G
codeforces
1389-G
Directing Edges
https://codeforces.com/problemset/problem/1389/G
[ "dfs and similar", "dp", "graphs", "trees" ]
null
null
stdin_stdout
2,800
{ "solved_count": 586 }
2026-11-02T05:37:07.883505+00:00
codeforces:1389-F
codeforces
1389-F
Bicolored Segments
https://codeforces.com/problemset/problem/1389/F
[ "data structures", "dp", "graph matchings", "sortings" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1353 }
2026-11-02T05:37:07.883505+00:00
codeforces:1389-E
codeforces
1389-E
Calendar Ambiguity
https://codeforces.com/problemset/problem/1389/E
[ "math", "number theory" ]
null
null
stdin_stdout
2,200
{ "solved_count": 3787 }
2026-11-02T05:37:07.883505+00:00
codeforces:1389-D
codeforces
1389-D
Segment Intersections
https://codeforces.com/problemset/problem/1389/D
[ "brute force", "greedy", "implementation", "math" ]
null
null
stdin_stdout
2,100
{ "solved_count": 4609 }
2026-11-02T05:37:07.883505+00:00
codeforces:1389-C
codeforces
1389-C
Good String
https://codeforces.com/problemset/problem/1389/C
[ "brute force", "dp", "greedy", "two pointers" ]
null
null
stdin_stdout
1,500
{ "solved_count": 21024 }
2026-11-02T05:37:07.883505+00:00
codeforces:1389-B
codeforces
1389-B
Array Walk
https://codeforces.com/problemset/problem/1389/B
[ "brute force", "dp", "greedy" ]
null
null
stdin_stdout
1,600
{ "solved_count": 21716 }
2026-11-02T05:37:07.883505+00:00
codeforces:1389-A
codeforces
1389-A
LCM Problem
https://codeforces.com/problemset/problem/1389/A
[ "constructive algorithms", "greedy", "math", "number theory" ]
null
null
stdin_stdout
800
{ "solved_count": 52484 }
2026-11-02T05:37:07.883505+00:00
codeforces:1388-E
codeforces
1388-E
Uncle Bogdan and Projections
https://codeforces.com/problemset/problem/1388/E
[ "data structures", "geometry", "sortings" ]
null
null
stdin_stdout
2,700
{ "solved_count": 675 }
2026-11-02T05:37:07.883505+00:00
codeforces:1388-D
codeforces
1388-D
Captain Flint and Treasure
https://codeforces.com/problemset/problem/1388/D
[ "data structures", "dfs and similar", "graphs", "greedy", "implementation", "trees" ]
null
null
stdin_stdout
2,000
{ "solved_count": 7050 }
2026-11-02T05:37:07.883505+00:00
codeforces:1388-C
codeforces
1388-C
Uncle Bogdan and Country Happiness
https://codeforces.com/problemset/problem/1388/C
[ "dfs and similar", "greedy", "math", "trees" ]
null
null
stdin_stdout
1,800
{ "solved_count": 10566 }
2026-11-02T05:37:07.883505+00:00
codeforces:1388-B
codeforces
1388-B
Captain Flint and a Long Voyage
https://codeforces.com/problemset/problem/1388/B
[ "greedy", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 22941 }
2026-11-02T05:37:07.883505+00:00
codeforces:1388-A
codeforces
1388-A
Captain Flint and Crew Recruitment
https://codeforces.com/problemset/problem/1388/A
[ "brute force", "greedy", "math", "number theory" ]
null
null
stdin_stdout
800
{ "solved_count": 26132 }
2026-11-02T05:37:07.883505+00:00
codeforces:1387-C
codeforces
1387-C
Viruses
https://codeforces.com/problemset/problem/1387/C
[ "*special", "dp", "shortest paths", "string suffix structures" ]
null
null
stdin_stdout
2,900
{ "solved_count": 278 }
2026-11-02T05:37:07.883505+00:00
codeforces:1387-B2
codeforces
1387-B2
Village (Maximum)
https://codeforces.com/problemset/problem/1387/B2
[ "*special", "dfs and similar", "trees" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1423 }
2026-11-02T05:37:07.883505+00:00
codeforces:1387-B1
codeforces
1387-B1
Village (Minimum)
https://codeforces.com/problemset/problem/1387/B1
[ "*special", "dp", "greedy", "trees" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2015 }
2026-11-02T05:37:07.883505+00:00
codeforces:1387-A
codeforces
1387-A
Graph
https://codeforces.com/problemset/problem/1387/A
[ "*special", "binary search", "dfs and similar", "dp", "math", "ternary search" ]
null
null
stdin_stdout
2,100
{ "solved_count": 1016 }
2026-11-02T05:37:07.883505+00:00
codeforces:1386-C
codeforces
1386-C
Joker
https://codeforces.com/problemset/problem/1386/C
[ "*special", "bitmasks", "data structures", "divide and conquer", "dsu" ]
null
null
stdin_stdout
2,800
{ "solved_count": 720 }
2026-11-02T05:37:07.883505+00:00
codeforces:1386-B
codeforces
1386-B
Mixture
https://codeforces.com/problemset/problem/1386/B
[ "*special", "data structures", "geometry", "math", "sortings" ]
null
null
stdin_stdout
2,900
{ "solved_count": 213 }
2026-11-02T05:37:07.883505+00:00
codeforces:1386-A
codeforces
1386-A
Colors
https://codeforces.com/problemset/problem/1386/A
[ "*special", "binary search", "constructive algorithms", "interactive" ]
null
null
stdin_stdout
2,700
{ "solved_count": 374 }
2026-11-02T05:37:07.883505+00:00
codeforces:1385-G
codeforces
1385-G
Columns Swaps
https://codeforces.com/problemset/problem/1385/G
[ "2-sat", "dfs and similar", "dsu", "graphs", "implementation" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2138 }
2026-11-02T05:37:07.883505+00:00
codeforces:1385-F
codeforces
1385-F
Removing Leaves
https://codeforces.com/problemset/problem/1385/F
[ "data structures", "greedy", "implementation", "trees" ]
null
null
stdin_stdout
2,300
{ "solved_count": 3010 }
2026-11-02T05:37:07.883505+00:00
codeforces:1385-E
codeforces
1385-E
Directing Edges
https://codeforces.com/problemset/problem/1385/E
[ "constructive algorithms", "dfs and similar", "graphs" ]
null
null
stdin_stdout
2,000
{ "solved_count": 10025 }
2026-11-02T05:37:07.883505+00:00
codeforces:1385-D
codeforces
1385-D
a-Good String
https://codeforces.com/problemset/problem/1385/D
[ "bitmasks", "brute force", "divide and conquer", "dp", "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 23460 }
2026-11-02T05:37:07.883505+00:00
codeforces:1385-C
codeforces
1385-C
Make It Good
https://codeforces.com/problemset/problem/1385/C
[ "greedy" ]
null
null
stdin_stdout
1,200
{ "solved_count": 29525 }
2026-11-02T05:37:07.883505+00:00
codeforces:1385-B
codeforces
1385-B
Restore the Permutation by Merger
https://codeforces.com/problemset/problem/1385/B
[ "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 40129 }
2026-11-02T05:37:07.883505+00:00
codeforces:1385-A
codeforces
1385-A
Three Pairwise Maximums
https://codeforces.com/problemset/problem/1385/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 44613 }
2026-11-02T05:37:07.883505+00:00
codeforces:1384-B2
codeforces
1384-B2
Koa and the Beach (Hard Version)
https://codeforces.com/problemset/problem/1384/B2
[ "constructive algorithms", "dp", "greedy", "implementation" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2656 }
2026-11-02T05:37:07.883505+00:00
codeforces:1384-B1
codeforces
1384-B1
Koa and the Beach (Easy Version)
https://codeforces.com/problemset/problem/1384/B1
[ "brute force", "dp", "greedy" ]
null
null
stdin_stdout
1,900
{ "solved_count": 4147 }
2026-11-02T05:37:07.883505+00:00
codeforces:1384-A
codeforces
1384-A
Common Prefixes
https://codeforces.com/problemset/problem/1384/A
[ "constructive algorithms", "greedy", "strings" ]
null
null
stdin_stdout
1,200
{ "solved_count": 19919 }
2026-11-02T05:37:07.883505+00:00
codeforces:1383-F
codeforces
1383-F
Special Edges
https://codeforces.com/problemset/problem/1383/F
[ "flows", "graphs" ]
null
null
stdin_stdout
3,200
{ "solved_count": 462 }
2026-11-02T05:37:07.883505+00:00
codeforces:1383-E
codeforces
1383-E
Strange Operation
https://codeforces.com/problemset/problem/1383/E
[ "combinatorics", "data structures", "dp" ]
null
null
stdin_stdout
2,800
{ "solved_count": 1191 }
2026-11-02T05:37:07.883505+00:00
codeforces:1383-D
codeforces
1383-D
Rearrange
https://codeforces.com/problemset/problem/1383/D
[ "brute force", "constructive algorithms", "graphs", "greedy", "sortings" ]
null
null
stdin_stdout
2,800
{ "solved_count": 872 }
2026-11-02T05:37:07.883505+00:00
codeforces:1383-C
codeforces
1383-C
String Transformation 2
https://codeforces.com/problemset/problem/1383/C
[ "bitmasks", "dp", "graphs", "trees" ]
null
null
stdin_stdout
3,100
{ "solved_count": 735 }
2026-11-02T05:37:07.883505+00:00
codeforces:1383-B
codeforces
1383-B
GameGame
https://codeforces.com/problemset/problem/1383/B
[ "bitmasks", "constructive algorithms", "dp", "games", "greedy", "math" ]
null
null
stdin_stdout
1,900
{ "solved_count": 5867 }
2026-11-02T05:37:07.883505+00:00
codeforces:1383-A
codeforces
1383-A
String Transformation 1
https://codeforces.com/problemset/problem/1383/A
[ "dsu", "graphs", "greedy", "sortings", "strings", "trees", "two pointers" ]
null
null
stdin_stdout
1,700
{ "solved_count": 11461 }
2026-11-02T05:37:07.883505+00:00
codeforces:1382-B
codeforces
1382-B
Sequential Nim
https://codeforces.com/problemset/problem/1382/B
[ "dp", "games" ]
null
null
stdin_stdout
1,100
{ "solved_count": 26659 }
2026-11-02T05:37:07.883505+00:00
codeforces:1382-A
codeforces
1382-A
Common Subsequence
https://codeforces.com/problemset/problem/1382/A
[ "brute force" ]
null
null
stdin_stdout
800
{ "solved_count": 27609 }
2026-11-02T05:37:07.883505+00:00
codeforces:1381-E
codeforces
1381-E
Origami
https://codeforces.com/problemset/problem/1381/E
[ "geometry", "math", "sortings" ]
null
null
stdin_stdout
3,300
{ "solved_count": 368 }
2026-11-02T05:37:07.883505+00:00
codeforces:1381-D
codeforces
1381-D
The Majestic Brown Tree Snake
https://codeforces.com/problemset/problem/1381/D
[ "dfs and similar", "dp", "greedy", "trees", "two pointers" ]
null
null
stdin_stdout
3,000
{ "solved_count": 843 }
2026-11-02T05:37:07.883505+00:00
codeforces:1381-C
codeforces
1381-C
Mastermind
https://codeforces.com/problemset/problem/1381/C
[ "constructive algorithms", "graph matchings", "greedy", "implementation", "sortings", "two pointers" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1755 }
2026-11-02T05:37:07.883505+00:00
codeforces:1381-B
codeforces
1381-B
Unmerge
https://codeforces.com/problemset/problem/1381/B
[ "dp" ]
null
null
stdin_stdout
1,800
{ "solved_count": 9786 }
2026-11-02T05:37:07.883505+00:00
codeforces:1381-A2
codeforces
1381-A2
Prefix Flip (Hard Version)
https://codeforces.com/problemset/problem/1381/A2
[ "constructive algorithms", "data structures", "implementation", "strings", "two pointers" ]
null
null
stdin_stdout
1,700
{ "solved_count": 14612 }
2026-11-02T05:37:07.883505+00:00
codeforces:1381-A1
codeforces
1381-A1
Prefix Flip (Easy Version)
https://codeforces.com/problemset/problem/1381/A1
[ "constructive algorithms", "data structures", "strings" ]
null
null
stdin_stdout
1,300
{ "solved_count": 22070 }
2026-11-02T05:37:07.883505+00:00
codeforces:1380-G
codeforces
1380-G
Circular Dungeon
https://codeforces.com/problemset/problem/1380/G
[ "greedy", "math", "probabilities" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1036 }
2026-11-02T05:37:07.883505+00:00
codeforces:1380-F
codeforces
1380-F
Strange Addition
https://codeforces.com/problemset/problem/1380/F
[ "data structures", "dp", "matrices" ]
null
null
stdin_stdout
2,600
{ "solved_count": 963 }
2026-11-02T05:37:07.883505+00:00
codeforces:1380-E
codeforces
1380-E
Merging Towers
https://codeforces.com/problemset/problem/1380/E
[ "data structures", "dsu", "implementation", "trees" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2480 }
2026-11-02T05:37:07.883505+00:00
codeforces:1380-D
codeforces
1380-D
Berserk And Fireball
https://codeforces.com/problemset/problem/1380/D
[ "constructive algorithms", "greedy", "implementation", "math", "two pointers" ]
null
null
stdin_stdout
2,000
{ "solved_count": 5128 }
2026-11-02T05:37:07.883505+00:00
codeforces:1380-C
codeforces
1380-C
Create The Teams
https://codeforces.com/problemset/problem/1380/C
[ "brute force", "dp", "greedy", "implementation", "sortings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 23253 }
2026-11-02T05:37:07.883505+00:00
codeforces:1380-B
codeforces
1380-B
Universal Solution
https://codeforces.com/problemset/problem/1380/B
[ "greedy" ]
null
null
stdin_stdout
1,400
{ "solved_count": 15429 }
2026-11-02T05:37:07.883505+00:00
codeforces:1380-A
codeforces
1380-A
Three Indices
https://codeforces.com/problemset/problem/1380/A
[ "brute force", "data structures" ]
null
null
stdin_stdout
900
{ "solved_count": 44997 }
2026-11-02T05:37:07.883505+00:00
codeforces:1379-F2
codeforces
1379-F2
Chess Strikes Back (hard version)
https://codeforces.com/problemset/problem/1379/F2
[ "data structures", "divide and conquer" ]
null
null
stdin_stdout
2,800
{ "solved_count": 665 }
2026-11-02T05:37:07.883505+00:00
codeforces:1379-F1
codeforces
1379-F1
Chess Strikes Back (easy version)
https://codeforces.com/problemset/problem/1379/F1
[ "binary search", "data structures" ]
null
null
stdin_stdout
2,700
{ "solved_count": 765 }
2026-11-02T05:37:07.883505+00:00
codeforces:1379-E
codeforces
1379-E
Inverse Genealogy
https://codeforces.com/problemset/problem/1379/E
[ "constructive algorithms", "divide and conquer", "dp", "math", "trees" ]
null
null
stdin_stdout
2,800
{ "solved_count": 601 }
2026-11-02T05:37:07.883505+00:00
codeforces:1379-D
codeforces
1379-D
New Passenger Trams
https://codeforces.com/problemset/problem/1379/D
[ "binary search", "brute force", "data structures", "sortings", "two pointers" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1182 }
2026-11-02T05:37:07.883505+00:00
codeforces:1379-C
codeforces
1379-C
Choosing flowers
https://codeforces.com/problemset/problem/1379/C
[ "binary search", "brute force", "data structures", "dfs and similar", "dp", "greedy", "sortings", "two pointers" ]
null
null
stdin_stdout
2,000
{ "solved_count": 6285 }
2026-11-02T05:37:07.883505+00:00
codeforces:1379-B
codeforces
1379-B
Dubious Cyrpto
https://codeforces.com/problemset/problem/1379/B
[ "binary search", "brute force", "math", "number theory" ]
null
null
stdin_stdout
1,500
{ "solved_count": 13282 }
2026-11-02T05:37:07.883505+00:00
codeforces:1379-A
codeforces
1379-A
Acacius and String
https://codeforces.com/problemset/problem/1379/A
[ "brute force", "implementation", "strings" ]
null
null
stdin_stdout
1,500
{ "solved_count": 12723 }
2026-11-02T05:37:07.883505+00:00
codeforces:1375-I
codeforces
1375-I
Cubic Lattice
https://codeforces.com/problemset/problem/1375/I
[ "geometry", "math", "matrices", "number theory" ]
null
null
stdin_stdout
3,500
{ "solved_count": 284 }
2026-11-02T05:37:07.883505+00:00
codeforces:1375-H
codeforces
1375-H
Set Merging
https://codeforces.com/problemset/problem/1375/H
[ "constructive algorithms", "divide and conquer" ]
null
null
stdin_stdout
3,300
{ "solved_count": 561 }
2026-11-02T05:37:07.883505+00:00
codeforces:1375-G
codeforces
1375-G
Tree Modification
https://codeforces.com/problemset/problem/1375/G
[ "brute force", "constructive algorithms", "dfs and similar", "graph matchings", "graphs", "trees" ]
null
null
stdin_stdout
2,800
{ "solved_count": 2378 }
2026-11-02T05:37:07.883505+00:00
codeforces:1375-F
codeforces
1375-F
Integer Game
https://codeforces.com/problemset/problem/1375/F
[ "constructive algorithms", "games", "interactive", "math" ]
null
null
stdin_stdout
2,600
{ "solved_count": 2611 }
2026-11-02T05:37:07.883505+00:00
codeforces:1375-E
codeforces
1375-E
Inversion SwapSort
https://codeforces.com/problemset/problem/1375/E
[ "constructive algorithms", "greedy", "sortings" ]
null
null
stdin_stdout
2,500
{ "solved_count": 3567 }
2026-11-02T05:37:07.883505+00:00
codeforces:1375-D
codeforces
1375-D
Replace by MEX
https://codeforces.com/problemset/problem/1375/D
[ "brute force", "constructive algorithms", "sortings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 10404 }
2026-11-02T05:37:07.883505+00:00
codeforces:1375-C
codeforces
1375-C
Element Extermination
https://codeforces.com/problemset/problem/1375/C
[ "constructive algorithms", "data structures", "greedy" ]
null
null
stdin_stdout
1,400
{ "solved_count": 23448 }
2026-11-02T05:37:07.883505+00:00
codeforces:1375-B
codeforces
1375-B
Neighbor Grid
https://codeforces.com/problemset/problem/1375/B
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
1,200
{ "solved_count": 17968 }
2026-11-02T05:37:07.883505+00:00
codeforces:1375-A
codeforces
1375-A
Sign Flipping
https://codeforces.com/problemset/problem/1375/A
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 18947 }
2026-11-02T05:37:07.883505+00:00
codeforces:1374-F
codeforces
1374-F
Cyclic Shifts Sorting
https://codeforces.com/problemset/problem/1374/F
[ "brute force", "constructive algorithms", "implementation", "sortings" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1444 }
2026-11-02T05:37:07.883505+00:00
codeforces:1374-E2
codeforces
1374-E2
Reading Books (hard version)
https://codeforces.com/problemset/problem/1374/E2
[ "data structures", "greedy", "implementation", "sortings", "ternary search", "two pointers" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1151 }
2026-11-02T05:37:07.883505+00:00
codeforces:1374-E1
codeforces
1374-E1
Reading Books (easy version)
https://codeforces.com/problemset/problem/1374/E1
[ "data structures", "greedy", "sortings" ]
null
null
stdin_stdout
1,600
{ "solved_count": 15300 }
2026-11-02T05:37:07.883505+00:00
codeforces:1374-D
codeforces
1374-D
Zero Remainder Array
https://codeforces.com/problemset/problem/1374/D
[ "math", "sortings", "two pointers" ]
null
null
stdin_stdout
1,400
{ "solved_count": 33718 }
2026-11-02T05:37:07.883505+00:00
codeforces:1374-C
codeforces
1374-C
Move Brackets
https://codeforces.com/problemset/problem/1374/C
[ "greedy", "strings" ]
null
null
stdin_stdout
1,000
{ "solved_count": 69711 }
2026-11-02T05:37:07.883505+00:00
codeforces:1374-B
codeforces
1374-B
Multiply by 2, divide by 6
https://codeforces.com/problemset/problem/1374/B
[ "math" ]
null
null
stdin_stdout
900
{ "solved_count": 79138 }
2026-11-02T05:37:07.883505+00:00
codeforces:1374-A
codeforces
1374-A
Required Remainder
https://codeforces.com/problemset/problem/1374/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 66882 }
2026-11-02T05:37:07.883505+00:00