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codeforces:1898-C
codeforces
1898-C
Colorful Grid
https://codeforces.com/problemset/problem/1898/C
[ "constructive algorithms" ]
null
null
stdin_stdout
1,700
{ "solved_count": 6625 }
2026-08-10T02:20:32.917453+00:00
codeforces:1898-B
codeforces
1898-B
Milena and Admirer
https://codeforces.com/problemset/problem/1898/B
[ "greedy", "math" ]
null
null
stdin_stdout
1,500
{ "solved_count": 14894 }
2026-08-10T02:20:32.917453+00:00
codeforces:1898-A
codeforces
1898-A
Milica and String
https://codeforces.com/problemset/problem/1898/A
[ "brute force", "implementation", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 17566 }
2026-08-10T02:20:32.917453+00:00
codeforces:1896-H2
codeforces
1896-H2
Cyclic Hamming (Hard Version)
https://codeforces.com/problemset/problem/1896/H2
[ "brute force", "dp", "fft", "math", "number theory" ]
null
null
stdin_stdout
3,500
{ "solved_count": 173 }
2026-08-10T02:20:32.917453+00:00
codeforces:1896-H1
codeforces
1896-H1
Cyclic Hamming (Easy Version)
https://codeforces.com/problemset/problem/1896/H1
[ "brute force", "divide and conquer", "dp", "fft", "math", "number theory" ]
null
null
stdin_stdout
3,400
{ "solved_count": 212 }
2026-08-10T02:20:32.917453+00:00
codeforces:1896-G
codeforces
1896-G
Pepe Racing
https://codeforces.com/problemset/problem/1896/G
[ "constructive algorithms", "implementation", "interactive", "sortings" ]
null
null
stdin_stdout
3,200
{ "solved_count": 460 }
2026-08-10T02:20:32.917453+00:00
codeforces:1896-F
codeforces
1896-F
Bracket Xoring
https://codeforces.com/problemset/problem/1896/F
[ "constructive algorithms", "greedy", "implementation", "math" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1011 }
2026-08-10T02:20:32.917453+00:00
codeforces:1896-E
codeforces
1896-E
Permutation Sorting
https://codeforces.com/problemset/problem/1896/E
[ "data structures", "sortings" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2799 }
2026-08-10T02:20:32.917453+00:00
codeforces:1896-D
codeforces
1896-D
Ones and Twos
https://codeforces.com/problemset/problem/1896/D
[ "binary search", "data structures", "divide and conquer", "math", "two pointers" ]
null
null
stdin_stdout
1,700
{ "solved_count": 7118 }
2026-08-10T02:20:32.917453+00:00
codeforces:1896-C
codeforces
1896-C
Matching Arrays
https://codeforces.com/problemset/problem/1896/C
[ "binary search", "constructive algorithms", "greedy", "sortings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 11866 }
2026-08-10T02:20:32.917453+00:00
codeforces:1896-B
codeforces
1896-B
AB Flipping
https://codeforces.com/problemset/problem/1896/B
[ "greedy", "strings", "two pointers" ]
null
null
stdin_stdout
900
{ "solved_count": 18842 }
2026-08-10T02:20:32.917453+00:00
codeforces:1896-A
codeforces
1896-A
Jagged Swaps
https://codeforces.com/problemset/problem/1896/A
[ "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 63734 }
2026-08-10T02:20:32.917453+00:00
codeforces:1895-G
codeforces
1895-G
Two Characters, Two Colors
https://codeforces.com/problemset/problem/1895/G
[ "binary search", "data structures", "dp", "flows", "greedy" ]
null
null
stdin_stdout
3,100
{ "solved_count": 442 }
2026-08-10T02:20:32.917453+00:00
codeforces:1895-F
codeforces
1895-F
Fancy Arrays
https://codeforces.com/problemset/problem/1895/F
[ "combinatorics", "dp", "math", "matrices" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1103 }
2026-08-10T02:20:32.917453+00:00
codeforces:1895-E
codeforces
1895-E
Infinite Card Game
https://codeforces.com/problemset/problem/1895/E
[ "binary search", "brute force", "data structures", "dfs and similar", "dp", "dsu", "games", "graphs", "greedy", "sortings", "two pointers" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1924 }
2026-08-10T02:20:32.917453+00:00
codeforces:1895-D
codeforces
1895-D
XOR Construction
https://codeforces.com/problemset/problem/1895/D
[ "bitmasks", "constructive algorithms", "data structures", "math", "string suffix structures", "trees" ]
null
null
stdin_stdout
1,900
{ "solved_count": 7253 }
2026-08-10T02:20:32.917453+00:00
codeforces:1895-C
codeforces
1895-C
Torn Lucky Ticket
https://codeforces.com/problemset/problem/1895/C
[ "brute force", "dp", "hashing", "implementation", "math" ]
null
null
stdin_stdout
1,400
{ "solved_count": 13278 }
2026-08-10T02:20:32.917453+00:00
codeforces:1895-B
codeforces
1895-B
Points and Minimum Distance
https://codeforces.com/problemset/problem/1895/B
[ "greedy", "math", "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 21741 }
2026-08-10T02:20:32.917453+00:00
codeforces:1895-A
codeforces
1895-A
Treasure Chest
https://codeforces.com/problemset/problem/1895/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 26110 }
2026-08-10T02:20:32.917453+00:00
codeforces:1894-B
codeforces
1894-B
Two Out of Three
https://codeforces.com/problemset/problem/1894/B
[ "constructive algorithms" ]
null
null
stdin_stdout
1,000
{ "solved_count": 18326 }
2026-08-10T02:20:32.917453+00:00
codeforces:1894-A
codeforces
1894-A
Secret Sport
https://codeforces.com/problemset/problem/1894/A
[ "implementation", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 20530 }
2026-08-10T02:20:32.917453+00:00
codeforces:1893-E
codeforces
1893-E
Cacti Symphony
https://codeforces.com/problemset/problem/1893/E
[ "combinatorics", "dfs and similar", "dp", "graphs" ]
null
null
stdin_stdout
3,500
{ "solved_count": 386 }
2026-08-10T02:20:32.917453+00:00
codeforces:1893-D
codeforces
1893-D
Colorful Constructive
https://codeforces.com/problemset/problem/1893/D
[ "constructive algorithms", "data structures", "greedy" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1132 }
2026-08-10T02:20:32.917453+00:00
codeforces:1893-C
codeforces
1893-C
Freedom of Choice
https://codeforces.com/problemset/problem/1893/C
[ "brute force", "greedy", "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 3277 }
2026-08-10T02:20:32.917453+00:00
codeforces:1893-B
codeforces
1893-B
Neutral Tonality
https://codeforces.com/problemset/problem/1893/B
[ "constructive algorithms", "greedy", "sortings", "two pointers" ]
null
null
stdin_stdout
1,700
{ "solved_count": 11859 }
2026-08-10T02:20:32.917453+00:00
codeforces:1893-A
codeforces
1893-A
Anonymous Informant
https://codeforces.com/problemset/problem/1893/A
[ "brute force", "dfs and similar", "graphs", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 15365 }
2026-08-10T02:20:32.917453+00:00
codeforces:1891-F
codeforces
1891-F
A Growing Tree
https://codeforces.com/problemset/problem/1891/F
[ "data structures", "dfs and similar", "trees" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4940 }
2026-08-10T02:20:32.917453+00:00
codeforces:1891-E
codeforces
1891-E
Brukhovich and Exams
https://codeforces.com/problemset/problem/1891/E
[ "brute force", "greedy", "implementation", "math", "sortings" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1126 }
2026-08-10T02:20:32.917453+00:00
codeforces:1891-D
codeforces
1891-D
Suspicious logarithms
https://codeforces.com/problemset/problem/1891/D
[ "binary search", "brute force", "math" ]
null
null
stdin_stdout
1,900
{ "solved_count": 4621 }
2026-08-10T02:20:32.917453+00:00
codeforces:1891-C
codeforces
1891-C
Smilo and Monsters
https://codeforces.com/problemset/problem/1891/C
[ "binary search", "constructive algorithms", "greedy", "sortings", "two pointers" ]
null
null
stdin_stdout
1,500
{ "solved_count": 21675 }
2026-08-10T02:20:32.917453+00:00
codeforces:1891-B
codeforces
1891-B
Deja Vu
https://codeforces.com/problemset/problem/1891/B
[ "brute force", "math", "sortings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 31176 }
2026-08-10T02:20:32.917453+00:00
codeforces:1891-A
codeforces
1891-A
Sorting with Twos
https://codeforces.com/problemset/problem/1891/A
[ "constructive algorithms", "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 20658 }
2026-08-10T02:20:32.917453+00:00
codeforces:1890-B
codeforces
1890-B
Qingshan Loves Strings
https://codeforces.com/problemset/problem/1890/B
[ "constructive algorithms", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 18858 }
2026-08-10T02:20:32.917453+00:00
codeforces:1890-A
codeforces
1890-A
Doremy's Paint 3
https://codeforces.com/problemset/problem/1890/A
[ "constructive algorithms" ]
null
null
stdin_stdout
800
{ "solved_count": 62706 }
2026-08-10T02:20:32.917453+00:00
codeforces:1889-F
codeforces
1889-F
Doremy's Average Tree
https://codeforces.com/problemset/problem/1889/F
[ "data structures", "dp", "greedy", "trees" ]
null
null
stdin_stdout
3,500
{ "solved_count": 222 }
2026-08-10T02:20:32.917453+00:00
codeforces:1889-E
codeforces
1889-E
Doremy's Swapping Trees
https://codeforces.com/problemset/problem/1889/E
[ "dfs and similar", "graphs", "trees" ]
null
null
stdin_stdout
3,500
{ "solved_count": 186 }
2026-08-10T02:20:32.917453+00:00
codeforces:1889-D
codeforces
1889-D
Game of Stacks
https://codeforces.com/problemset/problem/1889/D
[ "brute force", "dfs and similar", "graphs", "implementation", "trees" ]
null
null
stdin_stdout
3,000
{ "solved_count": 995 }
2026-08-10T02:20:32.917453+00:00
codeforces:1889-C2
codeforces
1889-C2
Doremy's Drying Plan (Hard Version)
https://codeforces.com/problemset/problem/1889/C2
[ "data structures", "dp" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1229 }
2026-08-10T02:20:32.917453+00:00
codeforces:1889-C1
codeforces
1889-C1
Doremy's Drying Plan (Easy Version)
https://codeforces.com/problemset/problem/1889/C1
[ "brute force", "data structures", "dp", "greedy", "sortings" ]
null
null
stdin_stdout
2,000
{ "solved_count": 3984 }
2026-08-10T02:20:32.917453+00:00
codeforces:1889-B
codeforces
1889-B
Doremy's Connecting Plan
https://codeforces.com/problemset/problem/1889/B
[ "constructive algorithms", "greedy", "math", "sortings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 8734 }
2026-08-10T02:20:32.917453+00:00
codeforces:1889-A
codeforces
1889-A
Qingshan Loves Strings 2
https://codeforces.com/problemset/problem/1889/A
[ "constructive algorithms", "greedy", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 15536 }
2026-08-10T02:20:32.917453+00:00
codeforces:1887-F
codeforces
1887-F
Minimum Segments
https://codeforces.com/problemset/problem/1887/F
[ "constructive algorithms" ]
null
null
stdin_stdout
3,400
{ "solved_count": 282 }
2026-08-10T02:20:32.917453+00:00
codeforces:1887-E
codeforces
1887-E
Good Colorings
https://codeforces.com/problemset/problem/1887/E
[ "binary search", "constructive algorithms", "graphs", "interactive" ]
null
null
stdin_stdout
3,100
{ "solved_count": 560 }
2026-08-10T02:20:32.917453+00:00
codeforces:1887-D
codeforces
1887-D
Split
https://codeforces.com/problemset/problem/1887/D
[ "binary search", "data structures", "divide and conquer", "dsu", "math", "trees", "two pointers" ]
null
null
stdin_stdout
2,700
{ "solved_count": 1326 }
2026-08-10T02:20:32.917453+00:00
codeforces:1887-C
codeforces
1887-C
Minimum Array
https://codeforces.com/problemset/problem/1887/C
[ "binary search", "brute force", "constructive algorithms", "data structures", "greedy", "hashing", "two pointers" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2349 }
2026-08-10T02:20:32.917453+00:00
codeforces:1887-B
codeforces
1887-B
Time Travel
https://codeforces.com/problemset/problem/1887/B
[ "binary search", "graphs", "shortest paths" ]
null
null
stdin_stdout
1,900
{ "solved_count": 4032 }
2026-08-10T02:20:32.917453+00:00
codeforces:1886-F
codeforces
1886-F
Diamond Theft
https://codeforces.com/problemset/problem/1886/F
[ "data structures", "greedy" ]
null
null
stdin_stdout
3,300
{ "solved_count": 274 }
2026-08-10T02:20:32.917453+00:00
codeforces:1886-E
codeforces
1886-E
I Wanna be the Team Leader
https://codeforces.com/problemset/problem/1886/E
[ "bitmasks", "constructive algorithms", "dp", "greedy", "math", "sortings", "two pointers" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1906 }
2026-08-10T02:20:32.917453+00:00
codeforces:1886-D
codeforces
1886-D
Monocarp and the Set
https://codeforces.com/problemset/problem/1886/D
[ "combinatorics", "data structures", "math" ]
null
null
stdin_stdout
2,100
{ "solved_count": 4264 }
2026-08-10T02:20:32.917453+00:00
codeforces:1886-C
codeforces
1886-C
Decreasing String
https://codeforces.com/problemset/problem/1886/C
[ "implementation", "strings" ]
null
null
stdin_stdout
1,600
{ "solved_count": 17470 }
2026-08-10T02:20:32.917453+00:00
codeforces:1886-B
codeforces
1886-B
Fear of the Dark
https://codeforces.com/problemset/problem/1886/B
[ "binary search", "geometry", "math" ]
null
null
stdin_stdout
1,200
{ "solved_count": 18270 }
2026-08-10T02:20:32.917453+00:00
codeforces:1886-A
codeforces
1886-A
Sum of Three
https://codeforces.com/problemset/problem/1886/A
[ "brute force", "constructive algorithms", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 27912 }
2026-08-10T02:20:32.917453+00:00
codeforces:1885-A
codeforces
1885-A
Deterministic Scheduling for Extended Reality over 5G and Beyond
https://codeforces.com/problemset/problem/1885/A
[ "*special" ]
null
null
stdin_stdout
null
{ "solved_count": 0 }
2026-08-10T02:20:32.917453+00:00
codeforces:1884-E
codeforces
1884-E
Hard Design
https://codeforces.com/problemset/problem/1884/E
[ "greedy", "implementation", "math" ]
null
null
stdin_stdout
2,800
{ "solved_count": 450 }
2026-08-10T02:20:32.917453+00:00
codeforces:1884-D
codeforces
1884-D
Counting Rhyme
https://codeforces.com/problemset/problem/1884/D
[ "dp", "math", "number theory" ]
null
null
stdin_stdout
2,100
{ "solved_count": 4293 }
2026-08-10T02:20:32.917453+00:00
codeforces:1884-C
codeforces
1884-C
Medium Design
https://codeforces.com/problemset/problem/1884/C
[ "brute force", "data structures", "dp", "greedy", "sortings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 7488 }
2026-08-10T02:20:32.917453+00:00
codeforces:1884-B
codeforces
1884-B
Haunted House
https://codeforces.com/problemset/problem/1884/B
[ "binary search", "greedy", "math", "two pointers" ]
null
null
stdin_stdout
1,100
{ "solved_count": 14992 }
2026-08-10T02:20:32.917453+00:00
codeforces:1884-A
codeforces
1884-A
Simple Design
https://codeforces.com/problemset/problem/1884/A
[ "brute force", "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 19317 }
2026-08-10T02:20:32.917453+00:00
codeforces:1883-G2
codeforces
1883-G2
Dances (Hard Version)
https://codeforces.com/problemset/problem/1883/G2
[ "binary search", "greedy", "sortings", "two pointers" ]
null
null
stdin_stdout
1,900
{ "solved_count": 6930 }
2026-08-10T02:20:32.917453+00:00
codeforces:1883-G1
codeforces
1883-G1
Dances (Easy version)
https://codeforces.com/problemset/problem/1883/G1
[ "binary search", "greedy", "two pointers" ]
null
null
stdin_stdout
1,400
{ "solved_count": 21047 }
2026-08-10T02:20:32.917453+00:00
codeforces:1883-F
codeforces
1883-F
You Are So Beautiful
https://codeforces.com/problemset/problem/1883/F
[ "data structures" ]
null
null
stdin_stdout
1,400
{ "solved_count": 12133 }
2026-08-10T02:20:32.917453+00:00
codeforces:1883-E
codeforces
1883-E
Look Back
https://codeforces.com/problemset/problem/1883/E
[ "bitmasks", "greedy" ]
null
null
stdin_stdout
1,700
{ "solved_count": 10144 }
2026-08-10T02:20:32.917453+00:00
codeforces:1883-D
codeforces
1883-D
In Love
https://codeforces.com/problemset/problem/1883/D
[ "data structures", "greedy" ]
null
null
stdin_stdout
1,500
{ "solved_count": 14820 }
2026-08-10T02:20:32.917453+00:00
codeforces:1883-C
codeforces
1883-C
Raspberries
https://codeforces.com/problemset/problem/1883/C
[ "dp", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 54434 }
2026-08-10T02:20:32.917453+00:00
codeforces:1883-B
codeforces
1883-B
Chemistry
https://codeforces.com/problemset/problem/1883/B
[ "strings" ]
null
null
stdin_stdout
900
{ "solved_count": 64610 }
2026-08-10T02:20:32.917453+00:00
codeforces:1883-A
codeforces
1883-A
Morning
https://codeforces.com/problemset/problem/1883/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 29741 }
2026-08-10T02:20:32.917453+00:00
codeforces:1882-E2
codeforces
1882-E2
Two Permutations (Hard Version)
https://codeforces.com/problemset/problem/1882/E2
[ "constructive algorithms" ]
null
null
stdin_stdout
3,100
{ "solved_count": 434 }
2026-08-10T02:20:32.917453+00:00
codeforces:1882-E1
codeforces
1882-E1
Two Permutations (Easy Version)
https://codeforces.com/problemset/problem/1882/E1
[ "brute force", "constructive algorithms", "greedy", "number theory" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1258 }
2026-08-10T02:20:32.917453+00:00
codeforces:1882-D
codeforces
1882-D
Tree XOR
https://codeforces.com/problemset/problem/1882/D
[ "bitmasks", "dfs and similar", "dp", "greedy", "trees" ]
null
null
stdin_stdout
1,900
{ "solved_count": 7331 }
2026-08-10T02:20:32.917453+00:00
codeforces:1882-C
codeforces
1882-C
Card Game
https://codeforces.com/problemset/problem/1882/C
[ "brute force", "greedy" ]
null
null
stdin_stdout
1,500
{ "solved_count": 14629 }
2026-08-10T02:20:32.917453+00:00
codeforces:1882-B
codeforces
1882-B
Sets and Union
https://codeforces.com/problemset/problem/1882/B
[ "bitmasks", "brute force", "constructive algorithms", "greedy" ]
null
null
stdin_stdout
1,300
{ "solved_count": 17593 }
2026-08-10T02:20:32.917453+00:00
codeforces:1882-A
codeforces
1882-A
Increasing Sequence
https://codeforces.com/problemset/problem/1882/A
[ "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 27440 }
2026-08-10T02:20:32.917453+00:00
codeforces:1881-G
codeforces
1881-G
Anya and the Mysterious String
https://codeforces.com/problemset/problem/1881/G
[ "binary search", "data structures" ]
null
null
stdin_stdout
2,000
{ "solved_count": 3019 }
2026-08-10T02:20:32.917453+00:00
codeforces:1881-F
codeforces
1881-F
Minimum Maximum Distance
https://codeforces.com/problemset/problem/1881/F
[ "dfs and similar", "dp", "graphs", "shortest paths", "trees" ]
null
null
stdin_stdout
1,700
{ "solved_count": 10024 }
2026-08-10T02:20:32.917453+00:00
codeforces:1881-E
codeforces
1881-E
Block Sequence
https://codeforces.com/problemset/problem/1881/E
[ "dp" ]
null
null
stdin_stdout
1,500
{ "solved_count": 25492 }
2026-08-10T02:20:32.917453+00:00
codeforces:1881-D
codeforces
1881-D
Divide and Equalize
https://codeforces.com/problemset/problem/1881/D
[ "math", "number theory" ]
null
null
stdin_stdout
1,300
{ "solved_count": 30538 }
2026-08-10T02:20:32.917453+00:00
codeforces:1881-C
codeforces
1881-C
Perfect Square
https://codeforces.com/problemset/problem/1881/C
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 19735 }
2026-08-10T02:20:32.917453+00:00
codeforces:1881-B
codeforces
1881-B
Three Threadlets
https://codeforces.com/problemset/problem/1881/B
[ "math" ]
null
null
stdin_stdout
900
{ "solved_count": 29088 }
2026-08-10T02:20:32.917453+00:00
codeforces:1881-A
codeforces
1881-A
Don't Try to Count
https://codeforces.com/problemset/problem/1881/A
[ "brute force", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 65034 }
2026-08-10T02:20:32.917453+00:00
codeforces:1879-F
codeforces
1879-F
Last Man Standing
https://codeforces.com/problemset/problem/1879/F
[ "brute force", "data structures", "number theory" ]
null
null
stdin_stdout
2,800
{ "solved_count": 666 }
2026-08-10T02:20:32.917453+00:00
codeforces:1879-E
codeforces
1879-E
Interactive Game with Coloring
https://codeforces.com/problemset/problem/1879/E
[ "brute force", "constructive algorithms", "dfs and similar", "graphs", "implementation", "interactive", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1611 }
2026-08-10T02:20:32.917453+00:00
codeforces:1879-D
codeforces
1879-D
Sum of XOR Functions
https://codeforces.com/problemset/problem/1879/D
[ "bitmasks", "combinatorics", "divide and conquer", "dp", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 11125 }
2026-08-10T02:20:32.917453+00:00
codeforces:1879-C
codeforces
1879-C
Make it Alternating
https://codeforces.com/problemset/problem/1879/C
[ "combinatorics", "dp", "greedy" ]
null
null
stdin_stdout
1,300
{ "solved_count": 29020 }
2026-08-10T02:20:32.917453+00:00
codeforces:1879-B
codeforces
1879-B
Chips on the Board
https://codeforces.com/problemset/problem/1879/B
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
900
{ "solved_count": 25301 }
2026-08-10T02:20:32.917453+00:00
codeforces:1879-A
codeforces
1879-A
Rigged!
https://codeforces.com/problemset/problem/1879/A
[ "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 24693 }
2026-08-10T02:20:32.917453+00:00
codeforces:1878-G
codeforces
1878-G
wxhtzdy ORO Tree
https://codeforces.com/problemset/problem/1878/G
[ "binary search", "bitmasks", "brute force", "data structures", "dfs and similar", "implementation", "trees" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1514 }
2026-08-10T02:20:32.917453+00:00
codeforces:1878-F
codeforces
1878-F
Vasilije Loves Number Theory
https://codeforces.com/problemset/problem/1878/F
[ "brute force", "math", "number theory" ]
null
null
stdin_stdout
1,900
{ "solved_count": 5030 }
2026-08-10T02:20:32.917453+00:00
codeforces:1878-E
codeforces
1878-E
Iva & Pav
https://codeforces.com/problemset/problem/1878/E
[ "binary search", "bitmasks", "data structures", "greedy" ]
null
null
stdin_stdout
1,400
{ "solved_count": 22498 }
2026-08-10T02:20:32.917453+00:00
codeforces:1878-D
codeforces
1878-D
Reverse Madness
https://codeforces.com/problemset/problem/1878/D
[ "data structures", "greedy" ]
null
null
stdin_stdout
1,600
{ "solved_count": 10300 }
2026-08-10T02:20:32.917453+00:00
codeforces:1878-C
codeforces
1878-C
Vasilije in Cacak
https://codeforces.com/problemset/problem/1878/C
[ "math" ]
null
null
stdin_stdout
900
{ "solved_count": 62364 }
2026-08-10T02:20:32.917453+00:00
codeforces:1878-B
codeforces
1878-B
Aleksa and Stack
https://codeforces.com/problemset/problem/1878/B
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 34528 }
2026-08-10T02:20:32.917453+00:00
codeforces:1878-A
codeforces
1878-A
How Much Does Daytona Cost?
https://codeforces.com/problemset/problem/1878/A
[ "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 85148 }
2026-08-10T02:20:32.917453+00:00
codeforces:1877-C
codeforces
1877-C
Joyboard
https://codeforces.com/problemset/problem/1877/C
[ "math", "number theory" ]
null
null
stdin_stdout
1,200
{ "solved_count": 13140 }
2026-08-10T02:20:32.917453+00:00
codeforces:1877-A
codeforces
1877-A
Goals of Victory
https://codeforces.com/problemset/problem/1877/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 57605 }
2026-08-10T02:20:32.917453+00:00
codeforces:1876-G
codeforces
1876-G
Clubstep
https://codeforces.com/problemset/problem/1876/G
[ "binary search", "brute force", "data structures", "greedy", "trees" ]
null
null
stdin_stdout
3,500
{ "solved_count": 297 }
2026-08-10T02:20:32.917453+00:00
codeforces:1876-F
codeforces
1876-F
Indefinite Clownfish
https://codeforces.com/problemset/problem/1876/F
[ "binary search", "graphs" ]
null
null
stdin_stdout
3,500
{ "solved_count": 236 }
2026-08-10T02:20:32.917453+00:00
codeforces:1876-E
codeforces
1876-E
Ball-Stackable
https://codeforces.com/problemset/problem/1876/E
[ "constructive algorithms", "data structures", "dp", "trees" ]
null
null
stdin_stdout
3,300
{ "solved_count": 374 }
2026-08-10T02:20:32.917453+00:00
codeforces:1876-D
codeforces
1876-D
Lexichromatography
https://codeforces.com/problemset/problem/1876/D
[ "combinatorics", "dfs and similar", "dsu", "graphs", "two pointers" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1103 }
2026-08-10T02:20:32.917453+00:00
codeforces:1876-C
codeforces
1876-C
Autosynthesis
https://codeforces.com/problemset/problem/1876/C
[ "constructive algorithms", "dfs and similar", "graphs", "greedy", "sortings" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2834 }
2026-08-10T02:20:32.917453+00:00
codeforces:1876-B
codeforces
1876-B
Effects of Anti Pimples
https://codeforces.com/problemset/problem/1876/B
[ "combinatorics", "number theory", "sortings" ]
null
null
stdin_stdout
1,500
{ "solved_count": 10284 }
2026-08-10T02:20:32.917453+00:00