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:1720-E
codeforces
1720-E
Misha and Paintings
https://codeforces.com/problemset/problem/1720/E
[ "constructive algorithms", "data structures", "greedy", "implementation", "math" ]
null
null
stdin_stdout
2,700
{ "solved_count": 953 }
2026-06-01T05:00:40.145500+00:00
codeforces:1720-D2
codeforces
1720-D2
Xor-Subsequence (hard version)
https://codeforces.com/problemset/problem/1720/D2
[ "bitmasks", "data structures", "dp", "strings", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2220 }
2026-06-01T05:00:40.145500+00:00
codeforces:1720-D1
codeforces
1720-D1
Xor-Subsequence (easy version)
https://codeforces.com/problemset/problem/1720/D1
[ "bitmasks", "brute force", "dp", "strings", "trees", "two pointers" ]
null
null
stdin_stdout
1,800
{ "solved_count": 6723 }
2026-06-01T05:00:40.145500+00:00
codeforces:1720-C
codeforces
1720-C
Corners
https://codeforces.com/problemset/problem/1720/C
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 18261 }
2026-06-01T05:00:40.145500+00:00
codeforces:1720-B
codeforces
1720-B
Interesting Sum
https://codeforces.com/problemset/problem/1720/B
[ "brute force", "data structures", "greedy", "math", "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 22440 }
2026-06-01T05:00:40.145500+00:00
codeforces:1720-A
codeforces
1720-A
Burenka Plays with Fractions
https://codeforces.com/problemset/problem/1720/A
[ "math", "number theory" ]
null
null
stdin_stdout
900
{ "solved_count": 24418 }
2026-06-01T05:00:40.145500+00:00
codeforces:1719-C
codeforces
1719-C
Fighting Tournament
https://codeforces.com/problemset/problem/1719/C
[ "binary search", "data structures", "implementation", "two pointers" ]
null
null
stdin_stdout
1,400
{ "solved_count": 14406 }
2026-06-01T05:00:40.145500+00:00
codeforces:1719-B
codeforces
1719-B
Mathematical Circus
https://codeforces.com/problemset/problem/1719/B
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 19175 }
2026-06-01T05:00:40.145500+00:00
codeforces:1719-A
codeforces
1719-A
Chip Game
https://codeforces.com/problemset/problem/1719/A
[ "games", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 26861 }
2026-06-01T05:00:40.145500+00:00
codeforces:1718-F
codeforces
1718-F
Burenka, an Array and Queries
https://codeforces.com/problemset/problem/1718/F
[ "data structures", "math", "number theory" ]
null
null
stdin_stdout
3,300
{ "solved_count": 218 }
2026-06-01T05:00:40.145500+00:00
codeforces:1718-E
codeforces
1718-E
Impressionism
https://codeforces.com/problemset/problem/1718/E
[ "constructive algorithms", "graphs", "implementation", "math" ]
null
null
stdin_stdout
3,500
{ "solved_count": 180 }
2026-06-01T05:00:40.145500+00:00
codeforces:1718-D
codeforces
1718-D
Permutation for Burenka
https://codeforces.com/problemset/problem/1718/D
[ "data structures", "graph matchings", "greedy", "math", "trees" ]
null
null
stdin_stdout
3,300
{ "solved_count": 420 }
2026-06-01T05:00:40.145500+00:00
codeforces:1718-C
codeforces
1718-C
Tonya and Burenka-179
https://codeforces.com/problemset/problem/1718/C
[ "data structures", "greedy", "math", "number theory" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1864 }
2026-06-01T05:00:40.145500+00:00
codeforces:1718-B
codeforces
1718-B
Fibonacci Strings
https://codeforces.com/problemset/problem/1718/B
[ "greedy", "implementation", "math", "number theory" ]
null
null
stdin_stdout
2,000
{ "solved_count": 3484 }
2026-06-01T05:00:40.145500+00:00
codeforces:1718-A2
codeforces
1718-A2
Burenka and Traditions (hard version)
https://codeforces.com/problemset/problem/1718/A2
[ "data structures", "dp", "greedy" ]
null
null
stdin_stdout
1,900
{ "solved_count": 5935 }
2026-06-01T05:00:40.145500+00:00
codeforces:1718-A1
codeforces
1718-A1
Burenka and Traditions (easy version)
https://codeforces.com/problemset/problem/1718/A1
[ "dp", "greedy" ]
null
null
stdin_stdout
1,800
{ "solved_count": 6435 }
2026-06-01T05:00:40.145500+00:00
codeforces:1717-F
codeforces
1717-F
Madoka and The First Session
https://codeforces.com/problemset/problem/1717/F
[ "constructive algorithms", "flows", "graph matchings", "graphs", "implementation" ]
null
null
stdin_stdout
2,500
{ "solved_count": 640 }
2026-06-01T05:00:40.145500+00:00
codeforces:1717-E
codeforces
1717-E
Madoka and The Best University
https://codeforces.com/problemset/problem/1717/E
[ "math", "number theory" ]
null
null
stdin_stdout
2,200
{ "solved_count": 3428 }
2026-06-01T05:00:40.145500+00:00
codeforces:1717-D
codeforces
1717-D
Madoka and The Corruption Scheme
https://codeforces.com/problemset/problem/1717/D
[ "combinatorics", "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
1,900
{ "solved_count": 4888 }
2026-06-01T05:00:40.145500+00:00
codeforces:1717-C
codeforces
1717-C
Madoka and Formal Statement
https://codeforces.com/problemset/problem/1717/C
[ "greedy" ]
null
null
stdin_stdout
1,300
{ "solved_count": 15944 }
2026-06-01T05:00:40.145500+00:00
codeforces:1717-B
codeforces
1717-B
Madoka and Underground Competitions
https://codeforces.com/problemset/problem/1717/B
[ "constructive algorithms", "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 15656 }
2026-06-01T05:00:40.145500+00:00
codeforces:1717-A
codeforces
1717-A
Madoka and Strange Thoughts
https://codeforces.com/problemset/problem/1717/A
[ "math", "number theory" ]
null
null
stdin_stdout
800
{ "solved_count": 21012 }
2026-06-01T05:00:40.145500+00:00
codeforces:1716-F
codeforces
1716-F
Bags with Balls
https://codeforces.com/problemset/problem/1716/F
[ "combinatorics", "dp", "math", "number theory" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1383 }
2026-06-01T05:00:40.145500+00:00
codeforces:1716-E
codeforces
1716-E
Swap and Maximum Block
https://codeforces.com/problemset/problem/1716/E
[ "bitmasks", "data structures", "dfs and similar", "divide and conquer", "dp" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1322 }
2026-06-01T05:00:40.145500+00:00
codeforces:1716-D
codeforces
1716-D
Chip Move
https://codeforces.com/problemset/problem/1716/D
[ "brute force", "dp", "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 6161 }
2026-06-01T05:00:40.145500+00:00
codeforces:1716-C
codeforces
1716-C
Robot in a Hallway
https://codeforces.com/problemset/problem/1716/C
[ "data structures", "dp", "greedy", "implementation", "ternary search" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4604 }
2026-06-01T05:00:40.145500+00:00
codeforces:1716-B
codeforces
1716-B
Permutation Chain
https://codeforces.com/problemset/problem/1716/B
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 21965 }
2026-06-01T05:00:40.145500+00:00
codeforces:1716-A
codeforces
1716-A
2-3 Moves
https://codeforces.com/problemset/problem/1716/A
[ "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 36003 }
2026-06-01T05:00:40.145500+00:00
codeforces:1715-F
codeforces
1715-F
Crop Squares
https://codeforces.com/problemset/problem/1715/F
[ "constructive algorithms", "geometry", "interactive", "math" ]
null
null
stdin_stdout
2,700
{ "solved_count": 593 }
2026-06-01T05:00:40.145500+00:00
codeforces:1715-E
codeforces
1715-E
Long Way Home
https://codeforces.com/problemset/problem/1715/E
[ "data structures", "divide and conquer", "dp", "geometry", "graphs", "greedy", "shortest paths" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2151 }
2026-06-01T05:00:40.145500+00:00
codeforces:1715-D
codeforces
1715-D
2+ doors
https://codeforces.com/problemset/problem/1715/D
[ "2-sat", "bitmasks", "graphs", "greedy" ]
null
null
stdin_stdout
1,900
{ "solved_count": 6130 }
2026-06-01T05:00:40.145500+00:00
codeforces:1715-C
codeforces
1715-C
Monoblock
https://codeforces.com/problemset/problem/1715/C
[ "combinatorics", "data structures", "implementation", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 10444 }
2026-06-01T05:00:40.145500+00:00
codeforces:1715-B
codeforces
1715-B
Beautiful Array
https://codeforces.com/problemset/problem/1715/B
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 34226 }
2026-06-01T05:00:40.145500+00:00
codeforces:1715-A
codeforces
1715-A
Crossmarket
https://codeforces.com/problemset/problem/1715/A
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 24393 }
2026-06-01T05:00:40.145500+00:00
codeforces:1714-G
codeforces
1714-G
Path Prefixes
https://codeforces.com/problemset/problem/1714/G
[ "binary search", "data structures", "dfs and similar", "trees" ]
null
null
stdin_stdout
1,700
{ "solved_count": 9741 }
2026-06-01T05:00:40.145500+00:00
codeforces:1714-F
codeforces
1714-F
Build a Tree and That Is It
https://codeforces.com/problemset/problem/1714/F
[ "constructive algorithms", "implementation", "trees" ]
null
null
stdin_stdout
1,900
{ "solved_count": 3693 }
2026-06-01T05:00:40.145500+00:00
codeforces:1714-E
codeforces
1714-E
Add Modulo 10
https://codeforces.com/problemset/problem/1714/E
[ "brute force", "math", "number theory" ]
null
null
stdin_stdout
1,400
{ "solved_count": 23846 }
2026-06-01T05:00:40.145500+00:00
codeforces:1714-D
codeforces
1714-D
Color with Occurrences
https://codeforces.com/problemset/problem/1714/D
[ "brute force", "data structures", "dp", "greedy", "strings" ]
null
null
stdin_stdout
1,600
{ "solved_count": 10373 }
2026-06-01T05:00:40.145500+00:00
codeforces:1714-C
codeforces
1714-C
Minimum Varied Number
https://codeforces.com/problemset/problem/1714/C
[ "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 33486 }
2026-06-01T05:00:40.145500+00:00
codeforces:1714-B
codeforces
1714-B
Remove Prefix
https://codeforces.com/problemset/problem/1714/B
[ "data structures", "greedy", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 33929 }
2026-06-01T05:00:40.145500+00:00
codeforces:1714-A
codeforces
1714-A
Everyone Loves to Sleep
https://codeforces.com/problemset/problem/1714/A
[ "implementation", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 33031 }
2026-06-01T05:00:40.145500+00:00
codeforces:1713-F
codeforces
1713-F
Lost Array
https://codeforces.com/problemset/problem/1713/F
[ "bitmasks", "combinatorics", "constructive algorithms", "dp", "math" ]
null
null
stdin_stdout
2,900
{ "solved_count": 690 }
2026-06-01T05:00:40.145500+00:00
codeforces:1713-E
codeforces
1713-E
Cross Swapping
https://codeforces.com/problemset/problem/1713/E
[ "2-sat", "data structures", "dsu", "greedy", "matrices" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1989 }
2026-06-01T05:00:40.145500+00:00
codeforces:1713-D
codeforces
1713-D
Tournament Countdown
https://codeforces.com/problemset/problem/1713/D
[ "constructive algorithms", "greedy", "interactive", "number theory", "probabilities" ]
null
null
stdin_stdout
1,800
{ "solved_count": 6256 }
2026-06-01T05:00:40.145500+00:00
codeforces:1713-C
codeforces
1713-C
Build Permutation
https://codeforces.com/problemset/problem/1713/C
[ "constructive algorithms", "dp", "math" ]
null
null
stdin_stdout
1,200
{ "solved_count": 18919 }
2026-06-01T05:00:40.145500+00:00
codeforces:1713-B
codeforces
1713-B
Optimal Reduction
https://codeforces.com/problemset/problem/1713/B
[ "constructive algorithms", "sortings" ]
null
null
stdin_stdout
1,000
{ "solved_count": 22740 }
2026-06-01T05:00:40.145500+00:00
codeforces:1713-A
codeforces
1713-A
Traveling Salesman Problem
https://codeforces.com/problemset/problem/1713/A
[ "geometry", "greedy", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 22849 }
2026-06-01T05:00:40.145500+00:00
codeforces:1712-F
codeforces
1712-F
Triameter
https://codeforces.com/problemset/problem/1712/F
[ "binary search", "data structures", "dfs and similar", "trees" ]
null
null
stdin_stdout
3,200
{ "solved_count": 443 }
2026-06-01T05:00:40.145500+00:00
codeforces:1712-E2
codeforces
1712-E2
LCM Sum (hard version)
https://codeforces.com/problemset/problem/1712/E2
[ "brute force", "data structures", "math", "number theory", "two pointers" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1618 }
2026-06-01T05:00:40.145500+00:00
codeforces:1712-E1
codeforces
1712-E1
LCM Sum (easy version)
https://codeforces.com/problemset/problem/1712/E1
[ "binary search", "brute force", "combinatorics", "math", "number theory", "two pointers" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2466 }
2026-06-01T05:00:40.145500+00:00
codeforces:1712-D
codeforces
1712-D
Empty Graph
https://codeforces.com/problemset/problem/1712/D
[ "binary search", "constructive algorithms", "data structures", "greedy", "shortest paths" ]
null
null
stdin_stdout
2,000
{ "solved_count": 5124 }
2026-06-01T05:00:40.145500+00:00
codeforces:1712-C
codeforces
1712-C
Sort Zero
https://codeforces.com/problemset/problem/1712/C
[ "greedy", "sortings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 21301 }
2026-06-01T05:00:40.145500+00:00
codeforces:1712-B
codeforces
1712-B
Woeful Permutation
https://codeforces.com/problemset/problem/1712/B
[ "constructive algorithms", "greedy", "number theory" ]
null
null
stdin_stdout
800
{ "solved_count": 22411 }
2026-06-01T05:00:40.145500+00:00
codeforces:1712-A
codeforces
1712-A
Wonderful Permutation
https://codeforces.com/problemset/problem/1712/A
[ "greedy", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 25102 }
2026-06-01T05:00:40.145500+00:00
codeforces:1711-B
codeforces
1711-B
Party
https://codeforces.com/problemset/problem/1711/B
[ "brute force", "graphs" ]
null
null
stdin_stdout
1,300
{ "solved_count": 14411 }
2026-06-01T05:00:40.145500+00:00
codeforces:1711-A
codeforces
1711-A
Perfect Permutation
https://codeforces.com/problemset/problem/1711/A
[ "constructive algorithms" ]
null
null
stdin_stdout
800
{ "solved_count": 26534 }
2026-06-01T05:00:40.145500+00:00
codeforces:1710-E
codeforces
1710-E
Two Arrays
https://codeforces.com/problemset/problem/1710/E
[ "binary search", "games", "graph matchings" ]
null
null
stdin_stdout
2,400
{ "solved_count": 583 }
2026-06-01T05:00:40.145500+00:00
codeforces:1710-D
codeforces
1710-D
Recover the Tree
https://codeforces.com/problemset/problem/1710/D
[ "constructive algorithms", "trees" ]
null
null
stdin_stdout
3,400
{ "solved_count": 560 }
2026-06-01T05:00:40.145500+00:00
codeforces:1710-C
codeforces
1710-C
XOR Triangle
https://codeforces.com/problemset/problem/1710/C
[ "bitmasks", "brute force", "constructive algorithms", "dp", "greedy", "math" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1631 }
2026-06-01T05:00:40.145500+00:00
codeforces:1710-B
codeforces
1710-B
Rain
https://codeforces.com/problemset/problem/1710/B
[ "binary search", "brute force", "data structures", "geometry", "greedy", "implementation", "math" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2802 }
2026-06-01T05:00:40.145500+00:00
codeforces:1710-A
codeforces
1710-A
Color the Picture
https://codeforces.com/problemset/problem/1710/A
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
1,500
{ "solved_count": 11941 }
2026-06-01T05:00:40.145500+00:00
codeforces:1709-F
codeforces
1709-F
Multiset of Strings
https://codeforces.com/problemset/problem/1709/F
[ "bitmasks", "brute force", "dp", "fft", "flows", "graphs", "math", "meet-in-the-middle", "trees" ]
null
null
stdin_stdout
2,500
{ "solved_count": 683 }
2026-06-01T05:00:40.145500+00:00
codeforces:1709-E
codeforces
1709-E
XOR Tree
https://codeforces.com/problemset/problem/1709/E
[ "bitmasks", "data structures", "dfs and similar", "dsu", "greedy", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 3990 }
2026-06-01T05:00:40.145500+00:00
codeforces:1709-D
codeforces
1709-D
Rorororobot
https://codeforces.com/problemset/problem/1709/D
[ "binary search", "data structures", "greedy", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 10308 }
2026-06-01T05:00:40.145500+00:00
codeforces:1709-C
codeforces
1709-C
Recover an RBS
https://codeforces.com/problemset/problem/1709/C
[ "constructive algorithms", "greedy", "implementation", "strings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 10340 }
2026-06-01T05:00:40.145500+00:00
codeforces:1709-B
codeforces
1709-B
Also Try Minecraft
https://codeforces.com/problemset/problem/1709/B
[ "data structures", "dp", "implementation" ]
null
null
stdin_stdout
900
{ "solved_count": 25986 }
2026-06-01T05:00:40.145500+00:00
codeforces:1709-A
codeforces
1709-A
Three Doors
https://codeforces.com/problemset/problem/1709/A
[ "brute force", "greedy", "implementation", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 31649 }
2026-06-01T05:00:40.145500+00:00
codeforces:1708-B
codeforces
1708-B
Difference of GCDs
https://codeforces.com/problemset/problem/1708/B
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 28836 }
2026-06-01T05:00:40.145500+00:00
codeforces:1708-A
codeforces
1708-A
Difference Operations
https://codeforces.com/problemset/problem/1708/A
[ "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 22623 }
2026-06-01T05:00:40.145500+00:00
codeforces:1707-F
codeforces
1707-F
Bugaboo
https://codeforces.com/problemset/problem/1707/F
[ "bitmasks", "constructive algorithms", "dp", "number theory" ]
null
null
stdin_stdout
3,500
{ "solved_count": 176 }
2026-06-01T05:00:40.145500+00:00
codeforces:1707-E
codeforces
1707-E
Replace
https://codeforces.com/problemset/problem/1707/E
[ "binary search", "data structures" ]
null
null
stdin_stdout
3,500
{ "solved_count": 936 }
2026-06-01T05:00:40.145500+00:00
codeforces:1707-D
codeforces
1707-D
Partial Virtual Trees
https://codeforces.com/problemset/problem/1707/D
[ "combinatorics", "dfs and similar", "dp", "math", "trees" ]
null
null
stdin_stdout
3,000
{ "solved_count": 894 }
2026-06-01T05:00:40.145500+00:00
codeforces:1707-C
codeforces
1707-C
DFS Trees
https://codeforces.com/problemset/problem/1707/C
[ "dfs and similar", "dsu", "graphs", "greedy", "sortings", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1924 }
2026-06-01T05:00:40.145500+00:00
codeforces:1707-B
codeforces
1707-B
Difference Array
https://codeforces.com/problemset/problem/1707/B
[ "brute force", "data structures", "implementation", "sortings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 6438 }
2026-06-01T05:00:40.145500+00:00
codeforces:1707-A
codeforces
1707-A
Doremy's IQ
https://codeforces.com/problemset/problem/1707/A
[ "binary search", "constructive algorithms", "greedy", "implementation" ]
null
null
stdin_stdout
1,600
{ "solved_count": 15518 }
2026-06-01T05:00:40.145500+00:00
codeforces:1706-E
codeforces
1706-E
Qpwoeirut and Vertices
https://codeforces.com/problemset/problem/1706/E
[ "binary search", "data structures", "dfs and similar", "divide and conquer", "dsu", "greedy", "trees" ]
null
null
stdin_stdout
2,300
{ "solved_count": 3778 }
2026-06-01T05:00:40.145500+00:00
codeforces:1706-D2
codeforces
1706-D2
Chopping Carrots (Hard Version)
https://codeforces.com/problemset/problem/1706/D2
[ "brute force", "constructive algorithms", "data structures", "dp", "greedy", "math", "number theory", "two pointers" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1943 }
2026-06-01T05:00:40.145500+00:00
codeforces:1706-D1
codeforces
1706-D1
Chopping Carrots (Easy Version)
https://codeforces.com/problemset/problem/1706/D1
[ "binary search", "brute force", "constructive algorithms", "greedy", "number theory" ]
null
null
stdin_stdout
1,700
{ "solved_count": 7735 }
2026-06-01T05:00:40.145500+00:00
codeforces:1706-C
codeforces
1706-C
Qpwoeirut And The City
https://codeforces.com/problemset/problem/1706/C
[ "dp", "flows", "greedy", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 16171 }
2026-06-01T05:00:40.145500+00:00
codeforces:1706-B
codeforces
1706-B
Making Towers
https://codeforces.com/problemset/problem/1706/B
[ "dp", "greedy", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 17507 }
2026-06-01T05:00:40.145500+00:00
codeforces:1706-A
codeforces
1706-A
Another String Minimization Problem
https://codeforces.com/problemset/problem/1706/A
[ "2-sat", "constructive algorithms", "greedy", "string suffix structures", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 24276 }
2026-06-01T05:00:40.145500+00:00
codeforces:1705-F
codeforces
1705-F
Mark and the Online Exam
https://codeforces.com/problemset/problem/1705/F
[ "bitmasks", "constructive algorithms", "interactive", "probabilities" ]
null
null
stdin_stdout
2,900
{ "solved_count": 698 }
2026-06-01T05:00:40.145500+00:00
codeforces:1705-E
codeforces
1705-E
Mark and Professor Koro
https://codeforces.com/problemset/problem/1705/E
[ "binary search", "bitmasks", "brute force", "combinatorics", "data structures", "greedy" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2466 }
2026-06-01T05:00:40.145500+00:00
codeforces:1705-D
codeforces
1705-D
Mark and Lightbulbs
https://codeforces.com/problemset/problem/1705/D
[ "combinatorics", "constructive algorithms", "greedy", "math", "sortings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 7184 }
2026-06-01T05:00:40.145500+00:00
codeforces:1705-C
codeforces
1705-C
Mark and His Unfinished Essay
https://codeforces.com/problemset/problem/1705/C
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 14623 }
2026-06-01T05:00:40.145500+00:00
codeforces:1705-B
codeforces
1705-B
Mark the Dust Sweeper
https://codeforces.com/problemset/problem/1705/B
[ "constructive algorithms", "greedy", "implementation" ]
null
null
stdin_stdout
900
{ "solved_count": 25535 }
2026-06-01T05:00:40.145500+00:00
codeforces:1705-A
codeforces
1705-A
Mark the Photographer
https://codeforces.com/problemset/problem/1705/A
[ "greedy", "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 26619 }
2026-06-01T05:00:40.145500+00:00
codeforces:1704-H2
codeforces
1704-H2
Game of AI (hard version)
https://codeforces.com/problemset/problem/1704/H2
[ "combinatorics", "fft", "math" ]
null
null
stdin_stdout
3,500
{ "solved_count": 112 }
2026-06-01T05:00:40.145500+00:00
codeforces:1704-H1
codeforces
1704-H1
Game of AI (easy version)
https://codeforces.com/problemset/problem/1704/H1
[ "combinatorics", "constructive algorithms", "dp", "fft", "math" ]
null
null
stdin_stdout
3,200
{ "solved_count": 239 }
2026-06-01T05:00:40.145500+00:00
codeforces:1704-G
codeforces
1704-G
Mio and Lucky Array
https://codeforces.com/problemset/problem/1704/G
[ "constructive algorithms", "fft", "math", "strings" ]
null
null
stdin_stdout
3,500
{ "solved_count": 134 }
2026-06-01T05:00:40.145500+00:00
codeforces:1704-F
codeforces
1704-F
Colouring Game
https://codeforces.com/problemset/problem/1704/F
[ "constructive algorithms", "dp", "games" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1310 }
2026-06-01T05:00:40.145500+00:00
codeforces:1704-E
codeforces
1704-E
Count Seconds
https://codeforces.com/problemset/problem/1704/E
[ "brute force", "constructive algorithms", "dp", "graphs", "implementation", "math" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2695 }
2026-06-01T05:00:40.145500+00:00
codeforces:1704-D
codeforces
1704-D
Magical Array
https://codeforces.com/problemset/problem/1704/D
[ "constructive algorithms", "hashing", "implementation", "math" ]
null
null
stdin_stdout
1,900
{ "solved_count": 5388 }
2026-06-01T05:00:40.145500+00:00
codeforces:1704-C
codeforces
1704-C
Virus
https://codeforces.com/problemset/problem/1704/C
[ "greedy", "implementation", "sortings" ]
null
null
stdin_stdout
1,200
{ "solved_count": 25278 }
2026-06-01T05:00:40.145500+00:00
codeforces:1704-B
codeforces
1704-B
Luke is a Foodie
https://codeforces.com/problemset/problem/1704/B
[ "brute force", "greedy", "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 30535 }
2026-06-01T05:00:40.145500+00:00
codeforces:1704-A
codeforces
1704-A
Two 0-1 Sequences
https://codeforces.com/problemset/problem/1704/A
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 16671 }
2026-06-01T05:00:40.145500+00:00
codeforces:1703-G
codeforces
1703-G
Good Key, Bad Key
https://codeforces.com/problemset/problem/1703/G
[ "bitmasks", "brute force", "dp", "greedy", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 12816 }
2026-06-01T05:00:40.145500+00:00
codeforces:1703-F
codeforces
1703-F
Yet Another Problem About Pairs Satisfying an Inequality
https://codeforces.com/problemset/problem/1703/F
[ "binary search", "data structures", "dp", "greedy", "sortings" ]
null
null
stdin_stdout
1,300
{ "solved_count": 30510 }
2026-06-01T05:00:40.145500+00:00
codeforces:1703-E
codeforces
1703-E
Mirror Grid
https://codeforces.com/problemset/problem/1703/E
[ "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 28029 }
2026-06-01T05:00:40.145500+00:00
codeforces:1703-D
codeforces
1703-D
Double Strings
https://codeforces.com/problemset/problem/1703/D
[ "brute force", "data structures", "strings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 29287 }
2026-06-01T05:00:40.145500+00:00