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codeforces:1586-I
codeforces
1586-I
Omkar and Mosaic
https://codeforces.com/problemset/problem/1586/I
[ "combinatorics", "constructive algorithms", "math" ]
null
null
stdin_stdout
3,500
{ "solved_count": 400 }
2026-11-02T05:37:07.883505+00:00
codeforces:1585-G
codeforces
1585-G
Poachers
https://codeforces.com/problemset/problem/1585/G
[ "dp", "games", "graphs", "trees" ]
null
null
stdin_stdout
2,500
{ "solved_count": 346 }
2026-11-02T05:37:07.883505+00:00
codeforces:1585-F
codeforces
1585-F
Non-equal Neighbours
https://codeforces.com/problemset/problem/1585/F
[ "combinatorics", "dp", "math" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1814 }
2026-11-02T05:37:07.883505+00:00
codeforces:1585-E
codeforces
1585-E
Frequency Queries
https://codeforces.com/problemset/problem/1585/E
[ "data structures", "dfs and similar", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1269 }
2026-11-02T05:37:07.883505+00:00
codeforces:1585-D
codeforces
1585-D
Yet Another Sorting Problem
https://codeforces.com/problemset/problem/1585/D
[ "data structures", "math" ]
null
null
stdin_stdout
1,900
{ "solved_count": 4555 }
2026-11-02T05:37:07.883505+00:00
codeforces:1585-C
codeforces
1585-C
Minimize Distance
https://codeforces.com/problemset/problem/1585/C
[ "greedy" ]
null
null
stdin_stdout
1,300
{ "solved_count": 12975 }
2026-11-02T05:37:07.883505+00:00
codeforces:1585-B
codeforces
1585-B
Array Eversion
https://codeforces.com/problemset/problem/1585/B
[ "greedy" ]
null
null
stdin_stdout
900
{ "solved_count": 16475 }
2026-11-02T05:37:07.883505+00:00
codeforces:1585-A
codeforces
1585-A
Life of a Flower
https://codeforces.com/problemset/problem/1585/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 19249 }
2026-11-02T05:37:07.883505+00:00
codeforces:1584-G
codeforces
1584-G
Eligible Segments
https://codeforces.com/problemset/problem/1584/G
[ "geometry" ]
null
null
stdin_stdout
3,200
{ "solved_count": 286 }
2026-11-02T05:37:07.883505+00:00
codeforces:1584-F
codeforces
1584-F
Strange LCS
https://codeforces.com/problemset/problem/1584/F
[ "bitmasks", "dp", "graphs", "greedy", "strings" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1214 }
2026-11-02T05:37:07.883505+00:00
codeforces:1584-E
codeforces
1584-E
Game with Stones
https://codeforces.com/problemset/problem/1584/E
[ "binary search", "data structures", "games", "greedy" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1540 }
2026-11-02T05:37:07.883505+00:00
codeforces:1584-D
codeforces
1584-D
Guess the Permutation
https://codeforces.com/problemset/problem/1584/D
[ "binary search", "combinatorics", "interactive", "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4074 }
2026-11-02T05:37:07.883505+00:00
codeforces:1584-C
codeforces
1584-C
Two Arrays
https://codeforces.com/problemset/problem/1584/C
[ "greedy", "math", "sortings" ]
null
null
stdin_stdout
900
{ "solved_count": 18009 }
2026-11-02T05:37:07.883505+00:00
codeforces:1584-B
codeforces
1584-B
Coloring Rectangles
https://codeforces.com/problemset/problem/1584/B
[ "greedy", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 14497 }
2026-11-02T05:37:07.883505+00:00
codeforces:1584-A
codeforces
1584-A
Mathematical Addition
https://codeforces.com/problemset/problem/1584/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 15695 }
2026-11-02T05:37:07.883505+00:00
codeforces:1583-H
codeforces
1583-H
Omkar and Tours
https://codeforces.com/problemset/problem/1583/H
[ "data structures", "divide and conquer", "sortings", "trees" ]
null
null
stdin_stdout
3,300
{ "solved_count": 535 }
2026-11-02T05:37:07.883505+00:00
codeforces:1583-G
codeforces
1583-G
Omkar and Time Travel
https://codeforces.com/problemset/problem/1583/G
[ "data structures", "math" ]
null
null
stdin_stdout
3,000
{ "solved_count": 575 }
2026-11-02T05:37:07.883505+00:00
codeforces:1583-F
codeforces
1583-F
Defender of Childhood Dreams
https://codeforces.com/problemset/problem/1583/F
[ "bitmasks", "constructive algorithms", "divide and conquer" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1686 }
2026-11-02T05:37:07.883505+00:00
codeforces:1583-E
codeforces
1583-E
Moment of Bloom
https://codeforces.com/problemset/problem/1583/E
[ "constructive algorithms", "dfs and similar", "graph matchings", "graphs", "greedy", "trees" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2589 }
2026-11-02T05:37:07.883505+00:00
codeforces:1583-D
codeforces
1583-D
Omkar and the Meaning of Life
https://codeforces.com/problemset/problem/1583/D
[ "constructive algorithms", "greedy", "interactive" ]
null
null
stdin_stdout
1,800
{ "solved_count": 6013 }
2026-11-02T05:37:07.883505+00:00
codeforces:1583-C
codeforces
1583-C
Omkar and Determination
https://codeforces.com/problemset/problem/1583/C
[ "data structures", "dp" ]
null
null
stdin_stdout
1,700
{ "solved_count": 7544 }
2026-11-02T05:37:07.883505+00:00
codeforces:1583-B
codeforces
1583-B
Omkar and Heavenly Tree
https://codeforces.com/problemset/problem/1583/B
[ "constructive algorithms", "trees" ]
null
null
stdin_stdout
1,200
{ "solved_count": 13510 }
2026-11-02T05:37:07.883505+00:00
codeforces:1583-A
codeforces
1583-A
Windblume Ode
https://codeforces.com/problemset/problem/1583/A
[ "math", "number theory" ]
null
null
stdin_stdout
800
{ "solved_count": 14504 }
2026-11-02T05:37:07.883505+00:00
codeforces:1582-G
codeforces
1582-G
Kuzya and Homework
https://codeforces.com/problemset/problem/1582/G
[ "data structures", "number theory" ]
null
null
stdin_stdout
2,600
{ "solved_count": 757 }
2026-11-02T05:37:07.883505+00:00
codeforces:1582-F2
codeforces
1582-F2
Korney Korneevich and XOR (hard version)
https://codeforces.com/problemset/problem/1582/F2
[ "binary search", "brute force", "dp", "greedy", "two pointers" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2221 }
2026-11-02T05:37:07.883505+00:00
codeforces:1582-F1
codeforces
1582-F1
Korney Korneevich and XOR (easy version)
https://codeforces.com/problemset/problem/1582/F1
[ "bitmasks", "dp", "greedy" ]
null
null
stdin_stdout
1,800
{ "solved_count": 6798 }
2026-11-02T05:37:07.883505+00:00
codeforces:1582-E
codeforces
1582-E
Pchelyonok and Segments
https://codeforces.com/problemset/problem/1582/E
[ "binary search", "data structures", "dp", "greedy", "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4356 }
2026-11-02T05:37:07.883505+00:00
codeforces:1582-D
codeforces
1582-D
Vupsen, Pupsen and 0
https://codeforces.com/problemset/problem/1582/D
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 11786 }
2026-11-02T05:37:07.883505+00:00
codeforces:1582-C
codeforces
1582-C
Grandma Capa Knits a Scarf
https://codeforces.com/problemset/problem/1582/C
[ "brute force", "data structures", "greedy", "strings", "two pointers" ]
null
null
stdin_stdout
1,200
{ "solved_count": 26409 }
2026-11-02T05:37:07.883505+00:00
codeforces:1582-B
codeforces
1582-B
Luntik and Subsequences
https://codeforces.com/problemset/problem/1582/B
[ "combinatorics", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 37944 }
2026-11-02T05:37:07.883505+00:00
codeforces:1582-A
codeforces
1582-A
Luntik and Concerts
https://codeforces.com/problemset/problem/1582/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 19947 }
2026-11-02T05:37:07.883505+00:00
codeforces:1581-B
codeforces
1581-B
Diameter of Graph
https://codeforces.com/problemset/problem/1581/B
[ "constructive algorithms", "graphs", "greedy", "math" ]
null
null
stdin_stdout
1,200
{ "solved_count": 12798 }
2026-11-02T05:37:07.883505+00:00
codeforces:1581-A
codeforces
1581-A
CQXYM Count Permutations
https://codeforces.com/problemset/problem/1581/A
[ "combinatorics", "math", "number theory" ]
null
null
stdin_stdout
800
{ "solved_count": 14417 }
2026-11-02T05:37:07.883505+00:00
codeforces:1580-F
codeforces
1580-F
Problems for Codeforces
https://codeforces.com/problemset/problem/1580/F
[ "combinatorics", "fft", "math" ]
null
null
stdin_stdout
3,300
{ "solved_count": 256 }
2026-11-02T05:37:07.883505+00:00
codeforces:1580-E
codeforces
1580-E
Railway Construction
https://codeforces.com/problemset/problem/1580/E
[ "brute force", "constructive algorithms", "data structures", "graphs", "shortest paths" ]
null
null
stdin_stdout
3,400
{ "solved_count": 126 }
2026-11-02T05:37:07.883505+00:00
codeforces:1580-D
codeforces
1580-D
Subsequence
https://codeforces.com/problemset/problem/1580/D
[ "brute force", "divide and conquer", "dp", "greedy", "trees" ]
null
null
stdin_stdout
2,900
{ "solved_count": 1211 }
2026-11-02T05:37:07.883505+00:00
codeforces:1580-C
codeforces
1580-C
Train Maintenance
https://codeforces.com/problemset/problem/1580/C
[ "brute force", "data structures", "implementation" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2501 }
2026-11-02T05:37:07.883505+00:00
codeforces:1580-B
codeforces
1580-B
Mathematics Curriculum
https://codeforces.com/problemset/problem/1580/B
[ "brute force", "combinatorics", "dp", "trees" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1394 }
2026-11-02T05:37:07.883505+00:00
codeforces:1580-A
codeforces
1580-A
Portal
https://codeforces.com/problemset/problem/1580/A
[ "brute force", "data structures", "dp", "greedy", "implementation" ]
null
null
stdin_stdout
1,700
{ "solved_count": 3968 }
2026-11-02T05:37:07.883505+00:00
codeforces:1579-G
codeforces
1579-G
Minimal Coverage
https://codeforces.com/problemset/problem/1579/G
[ "dp" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2881 }
2026-11-02T05:37:07.883505+00:00
codeforces:1579-F
codeforces
1579-F
Array Stabilization (AND version)
https://codeforces.com/problemset/problem/1579/F
[ "brute force", "graphs", "math", "number theory", "shortest paths" ]
null
null
stdin_stdout
1,700
{ "solved_count": 5506 }
2026-11-02T05:37:07.883505+00:00
codeforces:1579-E2
codeforces
1579-E2
Array Optimization by Deque
https://codeforces.com/problemset/problem/1579/E2
[ "data structures", "greedy" ]
null
null
stdin_stdout
1,700
{ "solved_count": 7619 }
2026-11-02T05:37:07.883505+00:00
codeforces:1579-E1
codeforces
1579-E1
Permutation Minimization by Deque
https://codeforces.com/problemset/problem/1579/E1
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 26281 }
2026-11-02T05:37:07.883505+00:00
codeforces:1579-D
codeforces
1579-D
Productive Meeting
https://codeforces.com/problemset/problem/1579/D
[ "constructive algorithms", "graphs", "greedy" ]
null
null
stdin_stdout
1,400
{ "solved_count": 18888 }
2026-11-02T05:37:07.883505+00:00
codeforces:1579-C
codeforces
1579-C
Ticks
https://codeforces.com/problemset/problem/1579/C
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 11839 }
2026-11-02T05:37:07.883505+00:00
codeforces:1579-B
codeforces
1579-B
Shifting Sort
https://codeforces.com/problemset/problem/1579/B
[ "implementation", "sortings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 19125 }
2026-11-02T05:37:07.883505+00:00
codeforces:1579-A
codeforces
1579-A
Casimir's String Solitaire
https://codeforces.com/problemset/problem/1579/A
[ "math", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 42837 }
2026-11-02T05:37:07.883505+00:00
codeforces:1578-M
codeforces
1578-M
The Mind
https://codeforces.com/problemset/problem/1578/M
[ "constructive algorithms", "interactive", "probabilities" ]
null
null
stdin_stdout
2,700
{ "solved_count": 560 }
2026-11-02T05:37:07.883505+00:00
codeforces:1578-L
codeforces
1578-L
Labyrinth
https://codeforces.com/problemset/problem/1578/L
[ "binary search", "dsu", "greedy" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1494 }
2026-11-02T05:37:07.883505+00:00
codeforces:1578-K
codeforces
1578-K
Kingdom of Islands
https://codeforces.com/problemset/problem/1578/K
[ "brute force", "graphs", "implementation" ]
null
null
stdin_stdout
2,800
{ "solved_count": 464 }
2026-11-02T05:37:07.883505+00:00
codeforces:1578-J
codeforces
1578-J
Just Kingdom
https://codeforces.com/problemset/problem/1578/J
[ "brute force", "data structures", "dfs and similar" ]
null
null
stdin_stdout
3,100
{ "solved_count": 396 }
2026-11-02T05:37:07.883505+00:00
codeforces:1578-I
codeforces
1578-I
Interactive Rays
https://codeforces.com/problemset/problem/1578/I
[ "geometry", "interactive" ]
null
null
stdin_stdout
3,300
{ "solved_count": 95 }
2026-11-02T05:37:07.883505+00:00
codeforces:1578-H
codeforces
1578-H
Higher Order Functions
https://codeforces.com/problemset/problem/1578/H
[ "implementation", "strings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 2225 }
2026-11-02T05:37:07.883505+00:00
codeforces:1578-G
codeforces
1578-G
Game of Chance
https://codeforces.com/problemset/problem/1578/G
[ "math", "probabilities" ]
null
null
stdin_stdout
3,500
{ "solved_count": 110 }
2026-11-02T05:37:07.883505+00:00
codeforces:1578-F
codeforces
1578-F
Framing Pictures
https://codeforces.com/problemset/problem/1578/F
[ "geometry" ]
null
null
stdin_stdout
2,900
{ "solved_count": 258 }
2026-11-02T05:37:07.883505+00:00
codeforces:1578-E
codeforces
1578-E
Easy Scheduling
https://codeforces.com/problemset/problem/1578/E
[ "implementation", "math" ]
null
null
stdin_stdout
1,200
{ "solved_count": 4268 }
2026-11-02T05:37:07.883505+00:00
codeforces:1578-D
codeforces
1578-D
Dragon Curve
https://codeforces.com/problemset/problem/1578/D
[]
null
null
stdin_stdout
3,200
{ "solved_count": 115 }
2026-11-02T05:37:07.883505+00:00
codeforces:1578-C
codeforces
1578-C
Cactus Lady and her Cing
https://codeforces.com/problemset/problem/1578/C
[]
null
null
stdin_stdout
3,500
{ "solved_count": 86 }
2026-11-02T05:37:07.883505+00:00
codeforces:1578-B
codeforces
1578-B
Building Forest Trails
https://codeforces.com/problemset/problem/1578/B
[ "data structures", "dsu" ]
null
null
stdin_stdout
2,800
{ "solved_count": 522 }
2026-11-02T05:37:07.883505+00:00
codeforces:1578-A
codeforces
1578-A
Anti-Tetris
https://codeforces.com/problemset/problem/1578/A
[ "constructive algorithms", "graphs", "shortest paths" ]
null
null
stdin_stdout
2,800
{ "solved_count": 479 }
2026-11-02T05:37:07.883505+00:00
codeforces:1576-A
codeforces
1576-A
Communication Routing Challenge
https://codeforces.com/problemset/problem/1576/A
[ "*special" ]
null
null
stdin_stdout
null
{ "solved_count": 0 }
2026-11-02T05:37:07.883505+00:00
codeforces:1575-M
codeforces
1575-M
Managing Telephone Poles
https://codeforces.com/problemset/problem/1575/M
[ "data structures", "geometry" ]
null
null
stdin_stdout
2,400
{ "solved_count": 394 }
2026-11-02T05:37:07.883505+00:00
codeforces:1575-L
codeforces
1575-L
Longest Array Deconstruction
https://codeforces.com/problemset/problem/1575/L
[ "data structures", "divide and conquer", "dp", "sortings" ]
null
null
stdin_stdout
2,100
{ "solved_count": 1794 }
2026-11-02T05:37:07.883505+00:00
codeforces:1575-K
codeforces
1575-K
Knitting Batik
https://codeforces.com/problemset/problem/1575/K
[ "implementation", "math" ]
null
null
stdin_stdout
2,200
{ "solved_count": 832 }
2026-11-02T05:37:07.883505+00:00
codeforces:1575-J
codeforces
1575-J
Jeopardy of Dropped Balls
https://codeforces.com/problemset/problem/1575/J
[ "binary search", "brute force", "dsu", "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 4355 }
2026-11-02T05:37:07.883505+00:00
codeforces:1575-I
codeforces
1575-I
Illusions of the Desert
https://codeforces.com/problemset/problem/1575/I
[ "data structures", "trees" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1072 }
2026-11-02T05:37:07.883505+00:00
codeforces:1575-H
codeforces
1575-H
Holiday Wall Ornaments
https://codeforces.com/problemset/problem/1575/H
[ "dp", "strings" ]
null
null
stdin_stdout
2,200
{ "solved_count": 816 }
2026-11-02T05:37:07.883505+00:00
codeforces:1575-G
codeforces
1575-G
GCD Festival
https://codeforces.com/problemset/problem/1575/G
[ "math", "number theory" ]
null
null
stdin_stdout
2,200
{ "solved_count": 890 }
2026-11-02T05:37:07.883505+00:00
codeforces:1575-F
codeforces
1575-F
Finding Expected Value
https://codeforces.com/problemset/problem/1575/F
[ "math" ]
null
null
stdin_stdout
2,900
{ "solved_count": 222 }
2026-11-02T05:37:07.883505+00:00
codeforces:1575-E
codeforces
1575-E
Eye-Pleasing City Park Tour
https://codeforces.com/problemset/problem/1575/E
[ "data structures", "trees" ]
null
null
stdin_stdout
2,600
{ "solved_count": 475 }
2026-11-02T05:37:07.883505+00:00
codeforces:1575-D
codeforces
1575-D
Divisible by Twenty-Five
https://codeforces.com/problemset/problem/1575/D
[ "brute force", "dfs and similar", "dp" ]
null
null
stdin_stdout
1,800
{ "solved_count": 2941 }
2026-11-02T05:37:07.883505+00:00
codeforces:1575-C
codeforces
1575-C
Cyclic Sum
https://codeforces.com/problemset/problem/1575/C
[ "data structures", "fft", "number theory" ]
null
null
stdin_stdout
3,000
{ "solved_count": 328 }
2026-11-02T05:37:07.883505+00:00
codeforces:1575-B
codeforces
1575-B
Building an Amusement Park
https://codeforces.com/problemset/problem/1575/B
[ "binary search", "geometry" ]
null
null
stdin_stdout
2,300
{ "solved_count": 567 }
2026-11-02T05:37:07.883505+00:00
codeforces:1575-A
codeforces
1575-A
Another Sorting Problem
https://codeforces.com/problemset/problem/1575/A
[ "data structures", "sortings", "strings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 5354 }
2026-11-02T05:37:07.883505+00:00
codeforces:1574-F
codeforces
1574-F
Occurrences
https://codeforces.com/problemset/problem/1574/F
[ "combinatorics", "dfs and similar", "dp", "dsu", "fft", "graphs" ]
null
null
stdin_stdout
2,700
{ "solved_count": 829 }
2026-11-02T05:37:07.883505+00:00
codeforces:1574-E
codeforces
1574-E
Coloring
https://codeforces.com/problemset/problem/1574/E
[ "combinatorics", "constructive algorithms", "implementation", "math" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1141 }
2026-11-02T05:37:07.883505+00:00
codeforces:1574-D
codeforces
1574-D
The Strongest Build
https://codeforces.com/problemset/problem/1574/D
[ "binary search", "brute force", "data structures", "dfs and similar", "graphs", "greedy", "hashing", "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4964 }
2026-11-02T05:37:07.883505+00:00
codeforces:1574-C
codeforces
1574-C
Slay the Dragon
https://codeforces.com/problemset/problem/1574/C
[ "binary search", "greedy", "sortings", "ternary search" ]
null
null
stdin_stdout
1,300
{ "solved_count": 19067 }
2026-11-02T05:37:07.883505+00:00
codeforces:1574-B
codeforces
1574-B
Combinatorics Homework
https://codeforces.com/problemset/problem/1574/B
[ "combinatorics", "greedy", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 18503 }
2026-11-02T05:37:07.883505+00:00
codeforces:1574-A
codeforces
1574-A
Regular Bracket Sequences
https://codeforces.com/problemset/problem/1574/A
[ "constructive algorithms" ]
null
null
stdin_stdout
800
{ "solved_count": 23428 }
2026-11-02T05:37:07.883505+00:00
codeforces:1573-B
codeforces
1573-B
Swaps
https://codeforces.com/problemset/problem/1573/B
[ "greedy", "math", "sortings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 15773 }
2026-11-02T05:37:07.883505+00:00
codeforces:1573-A
codeforces
1573-A
Countdown
https://codeforces.com/problemset/problem/1573/A
[ "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 22095 }
2026-11-02T05:37:07.883505+00:00
codeforces:1572-F
codeforces
1572-F
Stations
https://codeforces.com/problemset/problem/1572/F
[ "data structures" ]
null
null
stdin_stdout
3,400
{ "solved_count": 604 }
2026-11-02T05:37:07.883505+00:00
codeforces:1572-E
codeforces
1572-E
Polygon
https://codeforces.com/problemset/problem/1572/E
[ "binary search", "dp", "geometry" ]
null
null
stdin_stdout
3,000
{ "solved_count": 396 }
2026-11-02T05:37:07.883505+00:00
codeforces:1572-D
codeforces
1572-D
Bridge Club
https://codeforces.com/problemset/problem/1572/D
[ "flows", "graph matchings", "graphs", "greedy" ]
null
null
stdin_stdout
2,800
{ "solved_count": 737 }
2026-11-02T05:37:07.883505+00:00
codeforces:1572-C
codeforces
1572-C
Paint
https://codeforces.com/problemset/problem/1572/C
[ "dp", "greedy" ]
null
null
stdin_stdout
2,700
{ "solved_count": 1825 }
2026-11-02T05:37:07.883505+00:00
codeforces:1572-B
codeforces
1572-B
Xor of 3
https://codeforces.com/problemset/problem/1572/B
[ "brute force", "constructive algorithms", "greedy", "two pointers" ]
null
null
stdin_stdout
2,500
{ "solved_count": 2294 }
2026-11-02T05:37:07.883505+00:00
codeforces:1572-A
codeforces
1572-A
Book
https://codeforces.com/problemset/problem/1572/A
[ "binary search", "brute force", "data structures", "dp", "graphs", "implementation", "sortings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 10926 }
2026-11-02T05:37:07.883505+00:00
codeforces:1571-J
codeforces
1571-J
Two Railroads
https://codeforces.com/problemset/problem/1571/J
[ "*special" ]
null
null
stdin_stdout
3,000
{ "solved_count": 54 }
2026-11-02T05:37:07.883505+00:00
codeforces:1571-I
codeforces
1571-I
Physical Examination
https://codeforces.com/problemset/problem/1571/I
[ "*special", "binary search", "data structures" ]
null
null
stdin_stdout
3,200
{ "solved_count": 67 }
2026-11-02T05:37:07.883505+00:00
codeforces:1571-H
codeforces
1571-H
Laser Beams
https://codeforces.com/problemset/problem/1571/H
[ "*special", "geometry", "probabilities" ]
null
null
stdin_stdout
2,900
{ "solved_count": 59 }
2026-11-02T05:37:07.883505+00:00
codeforces:1571-G
codeforces
1571-G
A Battle Against a Dragon
https://codeforces.com/problemset/problem/1571/G
[ "*special", "data structures", "dp" ]
null
null
stdin_stdout
2,500
{ "solved_count": 89 }
2026-11-02T05:37:07.883505+00:00
codeforces:1571-F
codeforces
1571-F
Kotlinforces
https://codeforces.com/problemset/problem/1571/F
[ "*special", "constructive algorithms", "dp" ]
null
null
stdin_stdout
2,000
{ "solved_count": 231 }
2026-11-02T05:37:07.883505+00:00
codeforces:1571-E
codeforces
1571-E
Fix the String
https://codeforces.com/problemset/problem/1571/E
[ "*special", "bitmasks", "dp", "greedy" ]
null
null
stdin_stdout
1,700
{ "solved_count": 377 }
2026-11-02T05:37:07.883505+00:00
codeforces:1571-D
codeforces
1571-D
Sweepstake
https://codeforces.com/problemset/problem/1571/D
[ "*special", "brute force", "constructive algorithms", "implementation", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 375 }
2026-11-02T05:37:07.883505+00:00
codeforces:1571-C
codeforces
1571-C
Rhyme
https://codeforces.com/problemset/problem/1571/C
[ "*special", "implementation" ]
null
null
stdin_stdout
1,800
{ "solved_count": 404 }
2026-11-02T05:37:07.883505+00:00
codeforces:1571-B
codeforces
1571-B
Epic Novel
https://codeforces.com/problemset/problem/1571/B
[ "*special", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 766 }
2026-11-02T05:37:07.883505+00:00
codeforces:1571-A
codeforces
1571-A
Sequence of Comparisons
https://codeforces.com/problemset/problem/1571/A
[ "*special" ]
null
null
stdin_stdout
800
{ "solved_count": 1676 }
2026-11-02T05:37:07.883505+00:00
codeforces:1569-F
codeforces
1569-F
Palindromic Hamiltonian Path
https://codeforces.com/problemset/problem/1569/F
[ "brute force", "dfs and similar", "dp", "graphs", "hashing" ]
null
null
stdin_stdout
3,000
{ "solved_count": 531 }
2026-11-02T05:37:07.883505+00:00
codeforces:1569-E
codeforces
1569-E
Playoff Restoration
https://codeforces.com/problemset/problem/1569/E
[ "bitmasks", "brute force", "hashing", "implementation", "meet-in-the-middle" ]
null
null
stdin_stdout
2,600
{ "solved_count": 921 }
2026-11-02T05:37:07.883505+00:00