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:1239-A
codeforces
1239-A
Ivan the Fool and the Probability Theory
https://codeforces.com/problemset/problem/1239/A
[ "combinatorics", "dp", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 7939 }
2026-11-02T05:37:07.883505+00:00
codeforces:1238-G
codeforces
1238-G
Adilbek and the Watering System
https://codeforces.com/problemset/problem/1238/G
[ "data structures", "greedy", "sortings" ]
null
null
stdin_stdout
2,700
{ "solved_count": 546 }
2026-11-02T05:37:07.883505+00:00
codeforces:1238-F
codeforces
1238-F
The Maximum Subtree
https://codeforces.com/problemset/problem/1238/F
[ "dfs and similar", "dp", "graphs", "trees" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2268 }
2026-11-02T05:37:07.883505+00:00
codeforces:1238-E
codeforces
1238-E
Keyboard Purchase
https://codeforces.com/problemset/problem/1238/E
[ "bitmasks", "dp" ]
null
null
stdin_stdout
2,200
{ "solved_count": 3727 }
2026-11-02T05:37:07.883505+00:00
codeforces:1238-D
codeforces
1238-D
AB-string
https://codeforces.com/problemset/problem/1238/D
[ "binary search", "combinatorics", "dp", "strings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 6614 }
2026-11-02T05:37:07.883505+00:00
codeforces:1238-C
codeforces
1238-C
Standard Free2play
https://codeforces.com/problemset/problem/1238/C
[ "dp", "greedy", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 7920 }
2026-11-02T05:37:07.883505+00:00
codeforces:1238-B
codeforces
1238-B
Kill `Em All
https://codeforces.com/problemset/problem/1238/B
[ "greedy", "sortings" ]
null
null
stdin_stdout
1,300
{ "solved_count": 15995 }
2026-11-02T05:37:07.883505+00:00
codeforces:1238-A
codeforces
1238-A
Prime Subtraction
https://codeforces.com/problemset/problem/1238/A
[ "math", "number theory" ]
null
null
stdin_stdout
900
{ "solved_count": 28948 }
2026-11-02T05:37:07.883505+00:00
codeforces:1237-H
codeforces
1237-H
Balanced Reversals
https://codeforces.com/problemset/problem/1237/H
[ "constructive algorithms" ]
null
null
stdin_stdout
3,300
{ "solved_count": 693 }
2026-11-02T05:37:07.883505+00:00
codeforces:1237-G
codeforces
1237-G
Balanced Distribution
https://codeforces.com/problemset/problem/1237/G
[ "data structures", "dp", "greedy" ]
null
null
stdin_stdout
3,500
{ "solved_count": 169 }
2026-11-02T05:37:07.883505+00:00
codeforces:1237-F
codeforces
1237-F
Balanced Domino Placements
https://codeforces.com/problemset/problem/1237/F
[ "combinatorics", "dp" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1201 }
2026-11-02T05:37:07.883505+00:00
codeforces:1237-E
codeforces
1237-E
Balanced Binary Search Trees
https://codeforces.com/problemset/problem/1237/E
[ "dp", "math" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1759 }
2026-11-02T05:37:07.883505+00:00
codeforces:1237-D
codeforces
1237-D
Balanced Playlist
https://codeforces.com/problemset/problem/1237/D
[ "binary search", "data structures", "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 5018 }
2026-11-02T05:37:07.883505+00:00
codeforces:1237-C2
codeforces
1237-C2
Balanced Removals (Harder)
https://codeforces.com/problemset/problem/1237/C2
[ "binary search", "constructive algorithms", "divide and conquer", "greedy", "implementation", "sortings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 4622 }
2026-11-02T05:37:07.883505+00:00
codeforces:1237-C1
codeforces
1237-C1
Balanced Removals (Easier)
https://codeforces.com/problemset/problem/1237/C1
[ "constructive algorithms", "geometry", "greedy" ]
null
null
stdin_stdout
1,700
{ "solved_count": 6359 }
2026-11-02T05:37:07.883505+00:00
codeforces:1237-B
codeforces
1237-B
Balanced Tunnel
https://codeforces.com/problemset/problem/1237/B
[ "data structures", "sortings", "two pointers" ]
null
null
stdin_stdout
1,300
{ "solved_count": 25255 }
2026-11-02T05:37:07.883505+00:00
codeforces:1237-A
codeforces
1237-A
Balanced Rating Changes
https://codeforces.com/problemset/problem/1237/A
[ "implementation", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 22718 }
2026-11-02T05:37:07.883505+00:00
codeforces:1236-F
codeforces
1236-F
Alice and the Cactus
https://codeforces.com/problemset/problem/1236/F
[ "dfs and similar", "graphs", "math", "probabilities" ]
null
null
stdin_stdout
3,000
{ "solved_count": 438 }
2026-11-02T05:37:07.883505+00:00
codeforces:1236-E
codeforces
1236-E
Alice and the Unfair Game
https://codeforces.com/problemset/problem/1236/E
[ "binary search", "data structures", "dp", "dsu" ]
null
null
stdin_stdout
2,500
{ "solved_count": 821 }
2026-11-02T05:37:07.883505+00:00
codeforces:1236-D
codeforces
1236-D
Alice and the Doll
https://codeforces.com/problemset/problem/1236/D
[ "brute force", "data structures", "greedy", "implementation" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1775 }
2026-11-02T05:37:07.883505+00:00
codeforces:1236-C
codeforces
1236-C
Labs
https://codeforces.com/problemset/problem/1236/C
[ "constructive algorithms", "greedy", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 10621 }
2026-11-02T05:37:07.883505+00:00
codeforces:1236-B
codeforces
1236-B
Alice and the List of Presents
https://codeforces.com/problemset/problem/1236/B
[ "combinatorics", "math" ]
null
null
stdin_stdout
1,500
{ "solved_count": 12310 }
2026-11-02T05:37:07.883505+00:00
codeforces:1236-A
codeforces
1236-A
Stones
https://codeforces.com/problemset/problem/1236/A
[ "brute force", "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 17409 }
2026-11-02T05:37:07.883505+00:00
codeforces:1234-F
codeforces
1234-F
Yet Another Substring Reverse
https://codeforces.com/problemset/problem/1234/F
[ "bitmasks", "dp" ]
null
null
stdin_stdout
2,200
{ "solved_count": 3281 }
2026-11-02T05:37:07.883505+00:00
codeforces:1234-E
codeforces
1234-E
Special Permutations
https://codeforces.com/problemset/problem/1234/E
[ "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 3118 }
2026-11-02T05:37:07.883505+00:00
codeforces:1234-D
codeforces
1234-D
Distinct Characters Queries
https://codeforces.com/problemset/problem/1234/D
[ "data structures" ]
null
null
stdin_stdout
1,600
{ "solved_count": 20122 }
2026-11-02T05:37:07.883505+00:00
codeforces:1234-C
codeforces
1234-C
Pipes
https://codeforces.com/problemset/problem/1234/C
[ "dp", "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 13774 }
2026-11-02T05:37:07.883505+00:00
codeforces:1234-B2
codeforces
1234-B2
Social Network (hard version)
https://codeforces.com/problemset/problem/1234/B2
[ "data structures", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 18864 }
2026-11-02T05:37:07.883505+00:00
codeforces:1234-B1
codeforces
1234-B1
Social Network (easy version)
https://codeforces.com/problemset/problem/1234/B1
[ "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 20022 }
2026-11-02T05:37:07.883505+00:00
codeforces:1234-A
codeforces
1234-A
Equalize Prices Again
https://codeforces.com/problemset/problem/1234/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 29898 }
2026-11-02T05:37:07.883505+00:00
codeforces:1231-E
codeforces
1231-E
Middle-Out
https://codeforces.com/problemset/problem/1231/E
[ "constructive algorithms", "greedy", "strings" ]
null
null
stdin_stdout
2,200
{ "solved_count": 957 }
2026-11-02T05:37:07.883505+00:00
codeforces:1231-C
codeforces
1231-C
Increasing Matrix
https://codeforces.com/problemset/problem/1231/C
[ "greedy" ]
null
null
stdin_stdout
1,100
{ "solved_count": 4472 }
2026-11-02T05:37:07.883505+00:00
codeforces:1230-B
codeforces
1230-B
Ania and Minimizing
https://codeforces.com/problemset/problem/1230/B
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 19851 }
2026-11-02T05:37:07.883505+00:00
codeforces:1230-A
codeforces
1230-A
Dawid and Bags of Candies
https://codeforces.com/problemset/problem/1230/A
[ "brute force", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 23264 }
2026-11-02T05:37:07.883505+00:00
codeforces:1228-F
codeforces
1228-F
One Node is Gone
https://codeforces.com/problemset/problem/1228/F
[ "constructive algorithms", "implementation", "trees" ]
null
null
stdin_stdout
2,500
{ "solved_count": 628 }
2026-11-02T05:37:07.883505+00:00
codeforces:1228-E
codeforces
1228-E
Another Filling the Grid
https://codeforces.com/problemset/problem/1228/E
[ "combinatorics", "dp", "math" ]
null
null
stdin_stdout
2,300
{ "solved_count": 3801 }
2026-11-02T05:37:07.883505+00:00
codeforces:1228-D
codeforces
1228-D
Complete Tripartite
https://codeforces.com/problemset/problem/1228/D
[ "brute force", "constructive algorithms", "graphs", "hashing", "implementation" ]
null
null
stdin_stdout
1,900
{ "solved_count": 5486 }
2026-11-02T05:37:07.883505+00:00
codeforces:1228-C
codeforces
1228-C
Primes and Multiplication
https://codeforces.com/problemset/problem/1228/C
[ "math", "number theory" ]
null
null
stdin_stdout
1,700
{ "solved_count": 9840 }
2026-11-02T05:37:07.883505+00:00
codeforces:1228-B
codeforces
1228-B
Filling the Grid
https://codeforces.com/problemset/problem/1228/B
[ "implementation", "math" ]
null
null
stdin_stdout
1,400
{ "solved_count": 11991 }
2026-11-02T05:37:07.883505+00:00
codeforces:1228-A
codeforces
1228-A
Distinct Digits
https://codeforces.com/problemset/problem/1228/A
[ "brute force", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 23539 }
2026-11-02T05:37:07.883505+00:00
codeforces:1227-G
codeforces
1227-G
Not Same
https://codeforces.com/problemset/problem/1227/G
[ "constructive algorithms" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1345 }
2026-11-02T05:37:07.883505+00:00
codeforces:1227-F2
codeforces
1227-F2
Wrong Answer on test 233 (Hard Version)
https://codeforces.com/problemset/problem/1227/F2
[ "combinatorics", "math" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1999 }
2026-11-02T05:37:07.883505+00:00
codeforces:1227-F1
codeforces
1227-F1
Wrong Answer on test 233 (Easy Version)
https://codeforces.com/problemset/problem/1227/F1
[ "dp" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2110 }
2026-11-02T05:37:07.883505+00:00
codeforces:1227-E
codeforces
1227-E
Arson In Berland Forest
https://codeforces.com/problemset/problem/1227/E
[ "binary search", "graphs", "shortest paths" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1846 }
2026-11-02T05:37:07.883505+00:00
codeforces:1227-D2
codeforces
1227-D2
Optimal Subsequences (Hard Version)
https://codeforces.com/problemset/problem/1227/D2
[ "data structures", "greedy" ]
null
null
stdin_stdout
1,800
{ "solved_count": 4798 }
2026-11-02T05:37:07.883505+00:00
codeforces:1227-D1
codeforces
1227-D1
Optimal Subsequences (Easy Version)
https://codeforces.com/problemset/problem/1227/D1
[ "data structures", "greedy" ]
null
null
stdin_stdout
1,600
{ "solved_count": 6890 }
2026-11-02T05:37:07.883505+00:00
codeforces:1227-C
codeforces
1227-C
Messy
https://codeforces.com/problemset/problem/1227/C
[ "constructive algorithms" ]
null
null
stdin_stdout
1,700
{ "solved_count": 5835 }
2026-11-02T05:37:07.883505+00:00
codeforces:1227-B
codeforces
1227-B
Box
https://codeforces.com/problemset/problem/1227/B
[ "constructive algorithms" ]
null
null
stdin_stdout
1,200
{ "solved_count": 10593 }
2026-11-02T05:37:07.883505+00:00
codeforces:1227-A
codeforces
1227-A
Math Problem
https://codeforces.com/problemset/problem/1227/A
[ "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 10370 }
2026-11-02T05:37:07.883505+00:00
codeforces:1225-G
codeforces
1225-G
To Make 1
https://codeforces.com/problemset/problem/1225/G
[ "bitmasks", "constructive algorithms", "dp", "greedy", "number theory" ]
null
null
stdin_stdout
3,100
{ "solved_count": 719 }
2026-11-02T05:37:07.883505+00:00
codeforces:1225-F
codeforces
1225-F
Tree Factory
https://codeforces.com/problemset/problem/1225/F
[ "constructive algorithms", "greedy", "trees" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1164 }
2026-11-02T05:37:07.883505+00:00
codeforces:1225-E
codeforces
1225-E
Rock Is Push
https://codeforces.com/problemset/problem/1225/E
[ "binary search", "dp" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2207 }
2026-11-02T05:37:07.883505+00:00
codeforces:1225-D
codeforces
1225-D
Power Products
https://codeforces.com/problemset/problem/1225/D
[ "hashing", "math", "number theory" ]
null
null
stdin_stdout
1,800
{ "solved_count": 10761 }
2026-11-02T05:37:07.883505+00:00
codeforces:1225-C
codeforces
1225-C
p-binary
https://codeforces.com/problemset/problem/1225/C
[ "bitmasks", "brute force", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 9982 }
2026-11-02T05:37:07.883505+00:00
codeforces:1225-B2
codeforces
1225-B2
TV Subscriptions (Hard Version)
https://codeforces.com/problemset/problem/1225/B2
[ "implementation", "two pointers" ]
null
null
stdin_stdout
1,300
{ "solved_count": 12430 }
2026-11-02T05:37:07.883505+00:00
codeforces:1225-B1
codeforces
1225-B1
TV Subscriptions (Easy Version)
https://codeforces.com/problemset/problem/1225/B1
[ "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 12660 }
2026-11-02T05:37:07.883505+00:00
codeforces:1225-A
codeforces
1225-A
Forgetting Things
https://codeforces.com/problemset/problem/1225/A
[ "math" ]
null
null
stdin_stdout
900
{ "solved_count": 16833 }
2026-11-02T05:37:07.883505+00:00
codeforces:1223-G
codeforces
1223-G
Wooden Raft
https://codeforces.com/problemset/problem/1223/G
[ "binary search", "math", "number theory" ]
null
null
stdin_stdout
3,200
{ "solved_count": 434 }
2026-11-02T05:37:07.883505+00:00
codeforces:1223-F
codeforces
1223-F
Stack Exterminable Arrays
https://codeforces.com/problemset/problem/1223/F
[ "data structures", "divide and conquer", "dp", "hashing" ]
null
null
stdin_stdout
2,600
{ "solved_count": 2350 }
2026-11-02T05:37:07.883505+00:00
codeforces:1223-E
codeforces
1223-E
Paint the Tree
https://codeforces.com/problemset/problem/1223/E
[ "dp", "sortings", "trees" ]
null
null
stdin_stdout
2,100
{ "solved_count": 3047 }
2026-11-02T05:37:07.883505+00:00
codeforces:1223-D
codeforces
1223-D
Sequence Sorting
https://codeforces.com/problemset/problem/1223/D
[ "dp", "greedy", "two pointers" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4602 }
2026-11-02T05:37:07.883505+00:00
codeforces:1223-C
codeforces
1223-C
Save the Nature
https://codeforces.com/problemset/problem/1223/C
[ "binary search", "greedy" ]
null
null
stdin_stdout
1,600
{ "solved_count": 10039 }
2026-11-02T05:37:07.883505+00:00
codeforces:1223-B
codeforces
1223-B
Strings Equalization
https://codeforces.com/problemset/problem/1223/B
[ "strings" ]
null
null
stdin_stdout
1,000
{ "solved_count": 16311 }
2026-11-02T05:37:07.883505+00:00
codeforces:1223-A
codeforces
1223-A
CME
https://codeforces.com/problemset/problem/1223/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 22492 }
2026-11-02T05:37:07.883505+00:00
codeforces:1221-G
codeforces
1221-G
Graph And Numbers
https://codeforces.com/problemset/problem/1221/G
[ "bitmasks", "brute force", "combinatorics", "dp", "meet-in-the-middle" ]
null
null
stdin_stdout
2,900
{ "solved_count": 1061 }
2026-11-02T05:37:07.883505+00:00
codeforces:1221-F
codeforces
1221-F
Choose a Square
https://codeforces.com/problemset/problem/1221/F
[ "binary search", "data structures", "sortings" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1317 }
2026-11-02T05:37:07.883505+00:00
codeforces:1221-E
codeforces
1221-E
Game With String
https://codeforces.com/problemset/problem/1221/E
[ "games" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1205 }
2026-11-02T05:37:07.883505+00:00
codeforces:1221-D
codeforces
1221-D
Make The Fence Great Again
https://codeforces.com/problemset/problem/1221/D
[ "dp" ]
null
null
stdin_stdout
1,800
{ "solved_count": 10643 }
2026-11-02T05:37:07.883505+00:00
codeforces:1221-C
codeforces
1221-C
Perfect Team
https://codeforces.com/problemset/problem/1221/C
[ "binary search", "math" ]
null
null
stdin_stdout
1,200
{ "solved_count": 25603 }
2026-11-02T05:37:07.883505+00:00
codeforces:1221-B
codeforces
1221-B
Knights
https://codeforces.com/problemset/problem/1221/B
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
1,100
{ "solved_count": 12617 }
2026-11-02T05:37:07.883505+00:00
codeforces:1221-A
codeforces
1221-A
2048 Game
https://codeforces.com/problemset/problem/1221/A
[ "brute force", "greedy", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 18476 }
2026-11-02T05:37:07.883505+00:00
codeforces:1220-G
codeforces
1220-G
Geolocation
https://codeforces.com/problemset/problem/1220/G
[ "geometry" ]
null
null
stdin_stdout
3,400
{ "solved_count": 129 }
2026-11-02T05:37:07.883505+00:00
codeforces:1220-F
codeforces
1220-F
Gardener Alex
https://codeforces.com/problemset/problem/1220/F
[ "binary search", "data structures" ]
null
null
stdin_stdout
2,700
{ "solved_count": 917 }
2026-11-02T05:37:07.883505+00:00
codeforces:1220-E
codeforces
1220-E
Tourism
https://codeforces.com/problemset/problem/1220/E
[ "dfs and similar", "dp", "dsu", "graphs", "greedy", "trees" ]
null
null
stdin_stdout
2,200
{ "solved_count": 3104 }
2026-11-02T05:37:07.883505+00:00
codeforces:1220-D
codeforces
1220-D
Alex and Julian
https://codeforces.com/problemset/problem/1220/D
[ "bitmasks", "math", "number theory" ]
null
null
stdin_stdout
1,900
{ "solved_count": 4171 }
2026-11-02T05:37:07.883505+00:00
codeforces:1220-C
codeforces
1220-C
Substring Game in the Lesson
https://codeforces.com/problemset/problem/1220/C
[ "games", "greedy", "strings" ]
null
null
stdin_stdout
1,300
{ "solved_count": 10889 }
2026-11-02T05:37:07.883505+00:00
codeforces:1220-B
codeforces
1220-B
Multiplication Table
https://codeforces.com/problemset/problem/1220/B
[ "math", "number theory" ]
null
null
stdin_stdout
1,300
{ "solved_count": 12235 }
2026-11-02T05:37:07.883505+00:00
codeforces:1220-A
codeforces
1220-A
Cards
https://codeforces.com/problemset/problem/1220/A
[ "implementation", "sortings", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 33319 }
2026-11-02T05:37:07.883505+00:00
codeforces:1219-G
codeforces
1219-G
Harvester
https://codeforces.com/problemset/problem/1219/G
[ "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 874 }
2026-11-02T05:37:07.883505+00:00
codeforces:1219-C
codeforces
1219-C
Periodic integer number
https://codeforces.com/problemset/problem/1219/C
[ "implementation", "strings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 2509 }
2026-11-02T05:37:07.883505+00:00
codeforces:1218-I
codeforces
1218-I
The Light Square
https://codeforces.com/problemset/problem/1218/I
[ "2-sat", "dfs and similar", "greedy" ]
null
null
stdin_stdout
2,100
{ "solved_count": 808 }
2026-11-02T05:37:07.883505+00:00
codeforces:1218-H
codeforces
1218-H
Function Composition
https://codeforces.com/problemset/problem/1218/H
[ "dfs and similar" ]
null
null
stdin_stdout
2,900
{ "solved_count": 224 }
2026-11-02T05:37:07.883505+00:00
codeforces:1218-G
codeforces
1218-G
Alpha planetary system
https://codeforces.com/problemset/problem/1218/G
[ "constructive algorithms", "graphs", "shortest paths" ]
null
null
stdin_stdout
3,000
{ "solved_count": 321 }
2026-11-02T05:37:07.883505+00:00
codeforces:1218-F
codeforces
1218-F
Workout plan
https://codeforces.com/problemset/problem/1218/F
[ "data structures", "greedy" ]
null
null
stdin_stdout
1,500
{ "solved_count": 3241 }
2026-11-02T05:37:07.883505+00:00
codeforces:1218-E
codeforces
1218-E
Product Tuples
https://codeforces.com/problemset/problem/1218/E
[ "divide and conquer", "fft" ]
null
null
stdin_stdout
2,500
{ "solved_count": 543 }
2026-11-02T05:37:07.883505+00:00
codeforces:1218-D
codeforces
1218-D
Xor Spanning Tree
https://codeforces.com/problemset/problem/1218/D
[ "divide and conquer", "fft", "graphs" ]
null
null
stdin_stdout
2,400
{ "solved_count": 634 }
2026-11-02T05:37:07.883505+00:00
codeforces:1218-C
codeforces
1218-C
Jumping Transformers
https://codeforces.com/problemset/problem/1218/C
[ "dp" ]
null
null
stdin_stdout
2,600
{ "solved_count": 269 }
2026-11-02T05:37:07.883505+00:00
codeforces:1218-B
codeforces
1218-B
Guarding warehouses
https://codeforces.com/problemset/problem/1218/B
[ "data structures", "geometry" ]
null
null
stdin_stdout
3,000
{ "solved_count": 202 }
2026-11-02T05:37:07.883505+00:00
codeforces:1218-A
codeforces
1218-A
BubbleReactor
https://codeforces.com/problemset/problem/1218/A
[ "dp", "graphs" ]
null
null
stdin_stdout
2,800
{ "solved_count": 194 }
2026-11-02T05:37:07.883505+00:00
codeforces:1217-F
codeforces
1217-F
Forced Online Queries Problem
https://codeforces.com/problemset/problem/1217/F
[ "data structures", "divide and conquer", "dsu", "graphs", "trees" ]
null
null
stdin_stdout
2,600
{ "solved_count": 769 }
2026-11-02T05:37:07.883505+00:00
codeforces:1217-E
codeforces
1217-E
Sum Queries?
https://codeforces.com/problemset/problem/1217/E
[ "data structures", "greedy", "implementation", "math" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2145 }
2026-11-02T05:37:07.883505+00:00
codeforces:1217-D
codeforces
1217-D
Coloring Edges
https://codeforces.com/problemset/problem/1217/D
[ "constructive algorithms", "dfs and similar", "graphs" ]
null
null
stdin_stdout
2,100
{ "solved_count": 6156 }
2026-11-02T05:37:07.883505+00:00
codeforces:1217-C
codeforces
1217-C
The Number Of Good Substrings
https://codeforces.com/problemset/problem/1217/C
[ "binary search", "bitmasks", "brute force" ]
null
null
stdin_stdout
1,700
{ "solved_count": 7951 }
2026-11-02T05:37:07.883505+00:00
codeforces:1217-B
codeforces
1217-B
Zmei Gorynich
https://codeforces.com/problemset/problem/1217/B
[ "greedy", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 11957 }
2026-11-02T05:37:07.883505+00:00
codeforces:1217-A
codeforces
1217-A
Creating a Character
https://codeforces.com/problemset/problem/1217/A
[ "binary search", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 15927 }
2026-11-02T05:37:07.883505+00:00
codeforces:1216-F
codeforces
1216-F
Wi-Fi
https://codeforces.com/problemset/problem/1216/F
[ "data structures", "dp", "greedy" ]
null
null
stdin_stdout
2,100
{ "solved_count": 3344 }
2026-11-02T05:37:07.883505+00:00
codeforces:1216-E2
codeforces
1216-E2
Numerical Sequence (hard version)
https://codeforces.com/problemset/problem/1216/E2
[ "binary search", "math" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1712 }
2026-11-02T05:37:07.883505+00:00
codeforces:1216-E1
codeforces
1216-E1
Numerical Sequence (easy version)
https://codeforces.com/problemset/problem/1216/E1
[ "binary search", "brute force", "math" ]
null
null
stdin_stdout
1,900
{ "solved_count": 3807 }
2026-11-02T05:37:07.883505+00:00
codeforces:1216-D
codeforces
1216-D
Swords
https://codeforces.com/problemset/problem/1216/D
[ "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 12578 }
2026-11-02T05:37:07.883505+00:00
codeforces:1216-C
codeforces
1216-C
White Sheet
https://codeforces.com/problemset/problem/1216/C
[ "geometry", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 10685 }
2026-11-02T05:37:07.883505+00:00