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:1986-G1
codeforces
1986-G1
Permutation Problem (Simple Version)
https://codeforces.com/problemset/problem/1986/G1
[ "binary search", "brute force", "combinatorics", "data structures", "math", "number theory" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1919 }
2026-06-01T05:00:40.145500+00:00
codeforces:1986-F
codeforces
1986-F
Non-academic Problem
https://codeforces.com/problemset/problem/1986/F
[ "dfs and similar", "graphs", "trees" ]
null
null
stdin_stdout
1,900
{ "solved_count": 6516 }
2026-06-01T05:00:40.145500+00:00
codeforces:1986-E
codeforces
1986-E
Beautiful Array
https://codeforces.com/problemset/problem/1986/E
[ "greedy", "math", "number theory", "sortings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 10918 }
2026-06-01T05:00:40.145500+00:00
codeforces:1986-D
codeforces
1986-D
Mathematical Problem
https://codeforces.com/problemset/problem/1986/D
[ "brute force", "dp", "greedy", "implementation", "math", "two pointers" ]
null
null
stdin_stdout
1,400
{ "solved_count": 18048 }
2026-06-01T05:00:40.145500+00:00
codeforces:1986-C
codeforces
1986-C
Update Queries
https://codeforces.com/problemset/problem/1986/C
[ "data structures", "greedy", "sortings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 26117 }
2026-06-01T05:00:40.145500+00:00
codeforces:1986-B
codeforces
1986-B
Matrix Stabilization
https://codeforces.com/problemset/problem/1986/B
[ "brute force", "data structures", "greedy", "sortings" ]
null
null
stdin_stdout
1,000
{ "solved_count": 30212 }
2026-06-01T05:00:40.145500+00:00
codeforces:1986-A
codeforces
1986-A
X Axis
https://codeforces.com/problemset/problem/1986/A
[ "brute force", "geometry", "math", "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 48167 }
2026-06-01T05:00:40.145500+00:00
codeforces:1985-H2
codeforces
1985-H2
Maximize the Largest Component (Hard Version)
https://codeforces.com/problemset/problem/1985/H2
[ "data structures", "dfs and similar", "dp", "dsu", "implementation" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1918 }
2026-06-01T05:00:40.145500+00:00
codeforces:1985-H1
codeforces
1985-H1
Maximize the Largest Component (Easy Version)
https://codeforces.com/problemset/problem/1985/H1
[ "brute force", "data structures", "dfs and similar", "dsu", "graphs", "implementation" ]
null
null
stdin_stdout
1,700
{ "solved_count": 7305 }
2026-06-01T05:00:40.145500+00:00
codeforces:1985-G
codeforces
1985-G
D-Function
https://codeforces.com/problemset/problem/1985/G
[ "combinatorics", "math", "number theory" ]
null
null
stdin_stdout
1,600
{ "solved_count": 12299 }
2026-06-01T05:00:40.145500+00:00
codeforces:1985-F
codeforces
1985-F
Final Boss
https://codeforces.com/problemset/problem/1985/F
[ "binary search", "data structures" ]
null
null
stdin_stdout
1,500
{ "solved_count": 20139 }
2026-06-01T05:00:40.145500+00:00
codeforces:1985-E
codeforces
1985-E
Secret Box
https://codeforces.com/problemset/problem/1985/E
[ "brute force", "combinatorics", "math" ]
null
null
stdin_stdout
1,200
{ "solved_count": 23620 }
2026-06-01T05:00:40.145500+00:00
codeforces:1985-D
codeforces
1985-D
Manhattan Circle
https://codeforces.com/problemset/problem/1985/D
[ "implementation", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 41597 }
2026-06-01T05:00:40.145500+00:00
codeforces:1985-C
codeforces
1985-C
Good Prefixes
https://codeforces.com/problemset/problem/1985/C
[ "greedy" ]
null
null
stdin_stdout
1,000
{ "solved_count": 40365 }
2026-06-01T05:00:40.145500+00:00
codeforces:1985-B
codeforces
1985-B
Maximum Multiple Sum
https://codeforces.com/problemset/problem/1985/B
[ "brute force", "math", "number theory" ]
null
null
stdin_stdout
800
{ "solved_count": 57107 }
2026-06-01T05:00:40.145500+00:00
codeforces:1985-A
codeforces
1985-A
Creating Words
https://codeforces.com/problemset/problem/1985/A
[ "implementation", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 72899 }
2026-06-01T05:00:40.145500+00:00
codeforces:1984-H
codeforces
1984-H
Tower Capturing
https://codeforces.com/problemset/problem/1984/H
[ "combinatorics", "dp", "geometry" ]
null
null
stdin_stdout
3,300
{ "solved_count": 210 }
2026-06-01T05:00:40.145500+00:00
codeforces:1984-G
codeforces
1984-G
Magic Trick II
https://codeforces.com/problemset/problem/1984/G
[ "constructive algorithms", "implementation", "sortings" ]
null
null
stdin_stdout
3,200
{ "solved_count": 302 }
2026-06-01T05:00:40.145500+00:00
codeforces:1984-F
codeforces
1984-F
Reconstruction
https://codeforces.com/problemset/problem/1984/F
[ "brute force", "dp", "math" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1145 }
2026-06-01T05:00:40.145500+00:00
codeforces:1984-E
codeforces
1984-E
Shuffle
https://codeforces.com/problemset/problem/1984/E
[ "dp", "greedy", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1822 }
2026-06-01T05:00:40.145500+00:00
codeforces:1984-D
codeforces
1984-D
''a'' String Problem
https://codeforces.com/problemset/problem/1984/D
[ "brute force", "hashing", "implementation", "math", "string suffix structures", "strings" ]
null
null
stdin_stdout
2,000
{ "solved_count": 3897 }
2026-06-01T05:00:40.145500+00:00
codeforces:1984-C2
codeforces
1984-C2
Magnitude (Hard Version)
https://codeforces.com/problemset/problem/1984/C2
[ "combinatorics", "dp", "greedy", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 8744 }
2026-06-01T05:00:40.145500+00:00
codeforces:1984-C1
codeforces
1984-C1
Magnitude (Easy Version)
https://codeforces.com/problemset/problem/1984/C1
[ "dp", "greedy", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 20283 }
2026-06-01T05:00:40.145500+00:00
codeforces:1984-B
codeforces
1984-B
Large Addition
https://codeforces.com/problemset/problem/1984/B
[ "implementation", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 21010 }
2026-06-01T05:00:40.145500+00:00
codeforces:1984-A
codeforces
1984-A
Strange Splitting
https://codeforces.com/problemset/problem/1984/A
[ "constructive algorithms" ]
null
null
stdin_stdout
800
{ "solved_count": 22908 }
2026-06-01T05:00:40.145500+00:00
codeforces:1983-G
codeforces
1983-G
Your Loss
https://codeforces.com/problemset/problem/1983/G
[ "bitmasks", "brute force", "dp", "trees" ]
null
null
stdin_stdout
3,000
{ "solved_count": 286 }
2026-06-01T05:00:40.145500+00:00
codeforces:1983-F
codeforces
1983-F
array-value
https://codeforces.com/problemset/problem/1983/F
[ "binary search", "bitmasks", "data structures", "greedy", "two pointers" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1537 }
2026-06-01T05:00:40.145500+00:00
codeforces:1983-E
codeforces
1983-E
I Love Balls
https://codeforces.com/problemset/problem/1983/E
[ "combinatorics", "math", "probabilities" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2488 }
2026-06-01T05:00:40.145500+00:00
codeforces:1983-D
codeforces
1983-D
Swap Dilemma
https://codeforces.com/problemset/problem/1983/D
[ "constructive algorithms", "data structures", "divide and conquer", "greedy", "math", "sortings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 11189 }
2026-06-01T05:00:40.145500+00:00
codeforces:1983-C
codeforces
1983-C
Have Your Cake and Eat It Too
https://codeforces.com/problemset/problem/1983/C
[ "binary search", "brute force", "greedy", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 14784 }
2026-06-01T05:00:40.145500+00:00
codeforces:1983-B
codeforces
1983-B
Corner Twist
https://codeforces.com/problemset/problem/1983/B
[ "constructive algorithms", "greedy", "implementation", "math" ]
null
null
stdin_stdout
1,200
{ "solved_count": 18467 }
2026-06-01T05:00:40.145500+00:00
codeforces:1983-A
codeforces
1983-A
Array Divisibility
https://codeforces.com/problemset/problem/1983/A
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 28159 }
2026-06-01T05:00:40.145500+00:00
codeforces:1982-F
codeforces
1982-F
Sorting Problem Again
https://codeforces.com/problemset/problem/1982/F
[ "binary search", "data structures", "sortings" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1298 }
2026-06-01T05:00:40.145500+00:00
codeforces:1982-E
codeforces
1982-E
Number of k-good subarrays
https://codeforces.com/problemset/problem/1982/E
[ "bitmasks", "brute force", "combinatorics", "divide and conquer", "dp", "math", "meet-in-the-middle" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1911 }
2026-06-01T05:00:40.145500+00:00
codeforces:1982-D
codeforces
1982-D
Beauty of the mountains
https://codeforces.com/problemset/problem/1982/D
[ "brute force", "data structures", "implementation", "math", "number theory" ]
null
null
stdin_stdout
1,700
{ "solved_count": 9905 }
2026-06-01T05:00:40.145500+00:00
codeforces:1982-C
codeforces
1982-C
Boring Day
https://codeforces.com/problemset/problem/1982/C
[ "binary search", "data structures", "dp", "greedy", "two pointers" ]
null
null
stdin_stdout
1,200
{ "solved_count": 22019 }
2026-06-01T05:00:40.145500+00:00
codeforces:1982-B
codeforces
1982-B
Collatz Conjecture
https://codeforces.com/problemset/problem/1982/B
[ "brute force", "implementation", "math", "number theory" ]
null
null
stdin_stdout
1,200
{ "solved_count": 19820 }
2026-06-01T05:00:40.145500+00:00
codeforces:1982-A
codeforces
1982-A
Soccer
https://codeforces.com/problemset/problem/1982/A
[ "greedy", "implementation", "math", "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 27549 }
2026-06-01T05:00:40.145500+00:00
codeforces:1981-F
codeforces
1981-F
Turtle and Paths on a Tree
https://codeforces.com/problemset/problem/1981/F
[ "data structures", "dp", "trees" ]
null
null
stdin_stdout
3,000
{ "solved_count": 352 }
2026-06-01T05:00:40.145500+00:00
codeforces:1981-E
codeforces
1981-E
Turtle and Intersected Segments
https://codeforces.com/problemset/problem/1981/E
[ "data structures", "dsu", "graphs", "greedy" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1246 }
2026-06-01T05:00:40.145500+00:00
codeforces:1981-D
codeforces
1981-D
Turtle and Multiplication
https://codeforces.com/problemset/problem/1981/D
[ "constructive algorithms", "dfs and similar", "graphs", "number theory" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2157 }
2026-06-01T05:00:40.145500+00:00
codeforces:1981-C
codeforces
1981-C
Turtle and an Incomplete Sequence
https://codeforces.com/problemset/problem/1981/C
[ "bitmasks", "brute force", "constructive algorithms", "greedy", "implementation", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 6377 }
2026-06-01T05:00:40.145500+00:00
codeforces:1981-B
codeforces
1981-B
Turtle and an Infinite Sequence
https://codeforces.com/problemset/problem/1981/B
[ "bitmasks", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 16607 }
2026-06-01T05:00:40.145500+00:00
codeforces:1981-A
codeforces
1981-A
Turtle and Piggy Are Playing a Game
https://codeforces.com/problemset/problem/1981/A
[ "brute force", "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 24281 }
2026-06-01T05:00:40.145500+00:00
codeforces:1980-G
codeforces
1980-G
Yasya and the Mysterious Tree
https://codeforces.com/problemset/problem/1980/G
[ "bitmasks", "data structures", "dfs and similar", "graphs", "greedy", "strings", "trees" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1715 }
2026-06-01T05:00:40.145500+00:00
codeforces:1980-F2
codeforces
1980-F2
Field Division (hard version)
https://codeforces.com/problemset/problem/1980/F2
[ "math", "sortings" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1237 }
2026-06-01T05:00:40.145500+00:00
codeforces:1980-F1
codeforces
1980-F1
Field Division (easy version)
https://codeforces.com/problemset/problem/1980/F1
[ "data structures", "math", "sortings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 4410 }
2026-06-01T05:00:40.145500+00:00
codeforces:1980-E
codeforces
1980-E
Permutation of Rows and Columns
https://codeforces.com/problemset/problem/1980/E
[ "constructive algorithms", "data structures", "greedy", "hashing", "implementation", "math", "matrices", "sortings" ]
null
null
stdin_stdout
1,600
{ "solved_count": 13089 }
2026-06-01T05:00:40.145500+00:00
codeforces:1980-D
codeforces
1980-D
GCD-sequence
https://codeforces.com/problemset/problem/1980/D
[ "greedy", "implementation", "math", "number theory" ]
null
null
stdin_stdout
1,400
{ "solved_count": 17455 }
2026-06-01T05:00:40.145500+00:00
codeforces:1980-C
codeforces
1980-C
Sofia and the Lost Operations
https://codeforces.com/problemset/problem/1980/C
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
1,300
{ "solved_count": 21799 }
2026-06-01T05:00:40.145500+00:00
codeforces:1980-B
codeforces
1980-B
Choosing Cubes
https://codeforces.com/problemset/problem/1980/B
[ "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 38593 }
2026-06-01T05:00:40.145500+00:00
codeforces:1980-A
codeforces
1980-A
Problem Generator
https://codeforces.com/problemset/problem/1980/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 47776 }
2026-06-01T05:00:40.145500+00:00
codeforces:1979-F
codeforces
1979-F
Kostyanych's Theorem
https://codeforces.com/problemset/problem/1979/F
[ "brute force", "constructive algorithms", "graphs", "interactive" ]
null
null
stdin_stdout
2,900
{ "solved_count": 440 }
2026-06-01T05:00:40.145500+00:00
codeforces:1979-E
codeforces
1979-E
Manhattan Triangle
https://codeforces.com/problemset/problem/1979/E
[ "binary search", "constructive algorithms", "data structures", "geometry", "implementation", "two pointers" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1828 }
2026-06-01T05:00:40.145500+00:00
codeforces:1979-D
codeforces
1979-D
Fixing a Binary String
https://codeforces.com/problemset/problem/1979/D
[ "bitmasks", "brute force", "constructive algorithms", "dp", "greedy", "hashing", "strings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 7888 }
2026-06-01T05:00:40.145500+00:00
codeforces:1979-C
codeforces
1979-C
Earning on Bets
https://codeforces.com/problemset/problem/1979/C
[ "binary search", "combinatorics", "constructive algorithms", "number theory" ]
null
null
stdin_stdout
1,200
{ "solved_count": 22294 }
2026-06-01T05:00:40.145500+00:00
codeforces:1979-B
codeforces
1979-B
XOR Sequences
https://codeforces.com/problemset/problem/1979/B
[ "bitmasks", "greedy" ]
null
null
stdin_stdout
1,000
{ "solved_count": 26552 }
2026-06-01T05:00:40.145500+00:00
codeforces:1979-A
codeforces
1979-A
Guess the Maximum
https://codeforces.com/problemset/problem/1979/A
[ "brute force", "greedy", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 31854 }
2026-06-01T05:00:40.145500+00:00
codeforces:1978-F
codeforces
1978-F
Large Graph
https://codeforces.com/problemset/problem/1978/F
[ "data structures", "dfs and similar", "dsu", "graphs", "number theory", "two pointers" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1593 }
2026-06-01T05:00:40.145500+00:00
codeforces:1978-E
codeforces
1978-E
Computing Machine
https://codeforces.com/problemset/problem/1978/E
[ "brute force", "data structures", "dp", "greedy", "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4628 }
2026-06-01T05:00:40.145500+00:00
codeforces:1978-D
codeforces
1978-D
Elections
https://codeforces.com/problemset/problem/1978/D
[ "data structures", "greedy", "implementation", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 13714 }
2026-06-01T05:00:40.145500+00:00
codeforces:1978-C
codeforces
1978-C
Manhattan Permutations
https://codeforces.com/problemset/problem/1978/C
[ "constructive algorithms", "data structures", "greedy", "implementation", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 17867 }
2026-06-01T05:00:40.145500+00:00
codeforces:1978-B
codeforces
1978-B
New Bakery
https://codeforces.com/problemset/problem/1978/B
[ "binary search", "greedy", "math", "ternary search" ]
null
null
stdin_stdout
800
{ "solved_count": 25449 }
2026-06-01T05:00:40.145500+00:00
codeforces:1978-A
codeforces
1978-A
Alice and Books
https://codeforces.com/problemset/problem/1978/A
[ "constructive algorithms", "greedy", "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 28678 }
2026-06-01T05:00:40.145500+00:00
codeforces:1977-E
codeforces
1977-E
Tensor
https://codeforces.com/problemset/problem/1977/E
[ "constructive algorithms", "graphs", "interactive" ]
null
null
stdin_stdout
2,600
{ "solved_count": 938 }
2026-06-01T05:00:40.145500+00:00
codeforces:1977-D
codeforces
1977-D
XORificator
https://codeforces.com/problemset/problem/1977/D
[ "bitmasks", "brute force", "greedy", "hashing" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2377 }
2026-06-01T05:00:40.145500+00:00
codeforces:1977-C
codeforces
1977-C
Nikita and LCM
https://codeforces.com/problemset/problem/1977/C
[ "brute force", "data structures", "dp", "greedy", "math", "number theory", "sortings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 8068 }
2026-06-01T05:00:40.145500+00:00
codeforces:1977-B
codeforces
1977-B
Binary Colouring
https://codeforces.com/problemset/problem/1977/B
[ "bitmasks", "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 19951 }
2026-06-01T05:00:40.145500+00:00
codeforces:1977-A
codeforces
1977-A
Little Nikita
https://codeforces.com/problemset/problem/1977/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 39362 }
2026-06-01T05:00:40.145500+00:00
codeforces:1976-F
codeforces
1976-F
Remove Bridges
https://codeforces.com/problemset/problem/1976/F
[ "data structures", "dfs and similar", "dp", "greedy", "sortings", "trees" ]
null
null
stdin_stdout
2,800
{ "solved_count": 841 }
2026-06-01T05:00:40.145500+00:00
codeforces:1976-E
codeforces
1976-E
Splittable Permutations
https://codeforces.com/problemset/problem/1976/E
[ "combinatorics", "data structures", "dfs and similar", "greedy", "math", "trees" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1312 }
2026-06-01T05:00:40.145500+00:00
codeforces:1976-D
codeforces
1976-D
Invertible Bracket Sequences
https://codeforces.com/problemset/problem/1976/D
[ "binary search", "combinatorics", "data structures", "divide and conquer", "implementation", "two pointers" ]
null
null
stdin_stdout
2,000
{ "solved_count": 5833 }
2026-06-01T05:00:40.145500+00:00
codeforces:1976-C
codeforces
1976-C
Job Interview
https://codeforces.com/problemset/problem/1976/C
[ "binary search", "dp", "greedy", "implementation", "two pointers" ]
null
null
stdin_stdout
1,600
{ "solved_count": 12489 }
2026-06-01T05:00:40.145500+00:00
codeforces:1976-B
codeforces
1976-B
Increase/Decrease/Copy
https://codeforces.com/problemset/problem/1976/B
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 25156 }
2026-06-01T05:00:40.145500+00:00
codeforces:1976-A
codeforces
1976-A
Verify Password
https://codeforces.com/problemset/problem/1976/A
[ "implementation", "sortings", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 32718 }
2026-06-01T05:00:40.145500+00:00
codeforces:1975-I
codeforces
1975-I
Mind Bloom
https://codeforces.com/problemset/problem/1975/I
[ "dp" ]
null
null
stdin_stdout
3,500
{ "solved_count": 184 }
2026-06-01T05:00:40.145500+00:00
codeforces:1975-H
codeforces
1975-H
378QAQ and Core
https://codeforces.com/problemset/problem/1975/H
[ "greedy", "strings" ]
null
null
stdin_stdout
3,500
{ "solved_count": 218 }
2026-06-01T05:00:40.145500+00:00
codeforces:1975-G
codeforces
1975-G
Zimpha Fan Club
https://codeforces.com/problemset/problem/1975/G
[ "fft", "greedy", "math", "strings" ]
null
null
stdin_stdout
3,000
{ "solved_count": 345 }
2026-06-01T05:00:40.145500+00:00
codeforces:1975-F
codeforces
1975-F
Set
https://codeforces.com/problemset/problem/1975/F
[ "bitmasks", "brute force", "combinatorics", "dfs and similar", "divide and conquer", "dp", "math" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1045 }
2026-06-01T05:00:40.145500+00:00
codeforces:1975-E
codeforces
1975-E
Chain Queries
https://codeforces.com/problemset/problem/1975/E
[ "binary search", "data structures", "dfs and similar", "implementation", "trees" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2896 }
2026-06-01T05:00:40.145500+00:00
codeforces:1975-D
codeforces
1975-D
Paint the Tree
https://codeforces.com/problemset/problem/1975/D
[ "brute force", "dfs and similar", "dp", "greedy", "shortest paths", "trees" ]
null
null
stdin_stdout
1,700
{ "solved_count": 7541 }
2026-06-01T05:00:40.145500+00:00
codeforces:1975-C
codeforces
1975-C
Chamo and Mocha's Array
https://codeforces.com/problemset/problem/1975/C
[ "binary search", "brute force", "greedy" ]
null
null
stdin_stdout
1,200
{ "solved_count": 17228 }
2026-06-01T05:00:40.145500+00:00
codeforces:1975-B
codeforces
1975-B
378QAQ and Mocha's Array
https://codeforces.com/problemset/problem/1975/B
[ "brute force", "greedy", "math", "sortings" ]
null
null
stdin_stdout
1,000
{ "solved_count": 21151 }
2026-06-01T05:00:40.145500+00:00
codeforces:1975-A
codeforces
1975-A
Bazoka and Mocha's Array
https://codeforces.com/problemset/problem/1975/A
[ "brute force", "greedy", "implementation", "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 20778 }
2026-06-01T05:00:40.145500+00:00
codeforces:1974-G
codeforces
1974-G
Money Buys Less Happiness Now
https://codeforces.com/problemset/problem/1974/G
[ "data structures", "greedy", "sortings" ]
null
null
stdin_stdout
2,000
{ "solved_count": 5954 }
2026-06-01T05:00:40.145500+00:00
codeforces:1974-F
codeforces
1974-F
Cutting Game
https://codeforces.com/problemset/problem/1974/F
[ "binary search", "brute force", "data structures", "implementation", "sortings", "two pointers" ]
null
null
stdin_stdout
1,900
{ "solved_count": 4418 }
2026-06-01T05:00:40.145500+00:00
codeforces:1974-E
codeforces
1974-E
Money Buys Happiness
https://codeforces.com/problemset/problem/1974/E
[ "dp" ]
null
null
stdin_stdout
1,800
{ "solved_count": 11444 }
2026-06-01T05:00:40.145500+00:00
codeforces:1974-D
codeforces
1974-D
Ingenuity-2
https://codeforces.com/problemset/problem/1974/D
[ "constructive algorithms", "greedy", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 17877 }
2026-06-01T05:00:40.145500+00:00
codeforces:1974-C
codeforces
1974-C
Beautiful Triple Pairs
https://codeforces.com/problemset/problem/1974/C
[ "combinatorics", "data structures" ]
null
null
stdin_stdout
1,400
{ "solved_count": 19119 }
2026-06-01T05:00:40.145500+00:00
codeforces:1974-B
codeforces
1974-B
Symmetric Encoding
https://codeforces.com/problemset/problem/1974/B
[ "implementation", "sortings", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 34589 }
2026-06-01T05:00:40.145500+00:00
codeforces:1974-A
codeforces
1974-A
Phone Desktop
https://codeforces.com/problemset/problem/1974/A
[ "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 38052 }
2026-06-01T05:00:40.145500+00:00
codeforces:1973-F
codeforces
1973-F
Maximum GCD Sum Queries
https://codeforces.com/problemset/problem/1973/F
[ "bitmasks", "brute force", "dp", "implementation", "number theory" ]
null
null
stdin_stdout
3,100
{ "solved_count": 320 }
2026-06-01T05:00:40.145500+00:00
codeforces:1973-E
codeforces
1973-E
Cat, Fox and Swaps
https://codeforces.com/problemset/problem/1973/E
[ "graphs", "math", "sortings" ]
null
null
stdin_stdout
2,500
{ "solved_count": 994 }
2026-06-01T05:00:40.145500+00:00
codeforces:1973-D
codeforces
1973-D
Cat, Fox and Maximum Array Split
https://codeforces.com/problemset/problem/1973/D
[ "brute force", "interactive", "math" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2265 }
2026-06-01T05:00:40.145500+00:00
codeforces:1973-C
codeforces
1973-C
Cat, Fox and Double Maximum
https://codeforces.com/problemset/problem/1973/C
[ "constructive algorithms", "greedy", "implementation", "math", "sortings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 9885 }
2026-06-01T05:00:40.145500+00:00
codeforces:1973-B
codeforces
1973-B
Cat, Fox and the Lonely Array
https://codeforces.com/problemset/problem/1973/B
[ "binary search", "bitmasks", "data structures", "greedy", "math", "two pointers" ]
null
null
stdin_stdout
1,300
{ "solved_count": 16894 }
2026-06-01T05:00:40.145500+00:00
codeforces:1973-A
codeforces
1973-A
Chess For Three
https://codeforces.com/problemset/problem/1973/A
[ "brute force", "dp", "implementation", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 28674 }
2026-06-01T05:00:40.145500+00:00
codeforces:1972-B
codeforces
1972-B
Coin Games
https://codeforces.com/problemset/problem/1972/B
[ "games" ]
null
null
stdin_stdout
900
{ "solved_count": 25513 }
2026-06-01T05:00:40.145500+00:00
codeforces:1972-A
codeforces
1972-A
Contest Proposal
https://codeforces.com/problemset/problem/1972/A
[ "brute force", "greedy", "two pointers" ]
null
null
stdin_stdout
800
{ "solved_count": 25961 }
2026-06-01T05:00:40.145500+00:00
codeforces:1971-H
codeforces
1971-H
±1
https://codeforces.com/problemset/problem/1971/H
[ "2-sat", "dfs and similar", "graphs" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2782 }
2026-06-01T05:00:40.145500+00:00