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codeforces:203-D
codeforces
203-D
Hit Ball
https://codeforces.com/problemset/problem/203/D
[ "geometry", "implementation", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 1518 }
2026-08-10T02:20:32.917453+00:00
codeforces:203-C
codeforces
203-C
Photographer
https://codeforces.com/problemset/problem/203/C
[ "greedy", "sortings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 6096 }
2026-08-10T02:20:32.917453+00:00
codeforces:203-B
codeforces
203-B
Game on Paper
https://codeforces.com/problemset/problem/203/B
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 2822 }
2026-08-10T02:20:32.917453+00:00
codeforces:203-A
codeforces
203-A
Two Problems
https://codeforces.com/problemset/problem/203/A
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 4461 }
2026-08-10T02:20:32.917453+00:00
codeforces:202-B
codeforces
202-B
Brand New Easy Problem
https://codeforces.com/problemset/problem/202/B
[ "brute force" ]
null
null
stdin_stdout
1,700
{ "solved_count": 859 }
2026-08-10T02:20:32.917453+00:00
codeforces:202-A
codeforces
202-A
LLPS
https://codeforces.com/problemset/problem/202/A
[ "binary search", "bitmasks", "brute force", "greedy", "implementation", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 20142 }
2026-08-10T02:20:32.917453+00:00
codeforces:201-E
codeforces
201-E
Thoroughly Bureaucratic Organization
https://codeforces.com/problemset/problem/201/E
[ "binary search", "combinatorics" ]
null
null
stdin_stdout
2,600
{ "solved_count": 544 }
2026-08-10T02:20:32.917453+00:00
codeforces:201-D
codeforces
201-D
Brand New Problem
https://codeforces.com/problemset/problem/201/D
[ "bitmasks", "brute force", "dp" ]
null
null
stdin_stdout
2,600
{ "solved_count": 493 }
2026-08-10T02:20:32.917453+00:00
codeforces:201-C
codeforces
201-C
Fragile Bridges
https://codeforces.com/problemset/problem/201/C
[ "dp" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1559 }
2026-08-10T02:20:32.917453+00:00
codeforces:201-B
codeforces
201-B
Guess That Car!
https://codeforces.com/problemset/problem/201/B
[ "math", "ternary search" ]
null
null
stdin_stdout
1,800
{ "solved_count": 1406 }
2026-08-10T02:20:32.917453+00:00
codeforces:201-A
codeforces
201-A
Clear Symmetry
https://codeforces.com/problemset/problem/201/A
[ "constructive algorithms", "dp", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 3263 }
2026-08-10T02:20:32.917453+00:00
codeforces:200-E
codeforces
200-E
Tractor College
https://codeforces.com/problemset/problem/200/E
[ "implementation", "math", "number theory", "ternary search" ]
null
null
stdin_stdout
2,400
{ "solved_count": 374 }
2026-08-10T02:20:32.917453+00:00
codeforces:200-D
codeforces
200-D
Programming Language
https://codeforces.com/problemset/problem/200/D
[ "binary search", "brute force", "expression parsing", "implementation" ]
null
null
stdin_stdout
1,800
{ "solved_count": 1065 }
2026-08-10T02:20:32.917453+00:00
codeforces:200-C
codeforces
200-C
Football Championship
https://codeforces.com/problemset/problem/200/C
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,800
{ "solved_count": 1214 }
2026-08-10T02:20:32.917453+00:00
codeforces:200-B
codeforces
200-B
Drinks
https://codeforces.com/problemset/problem/200/B
[ "implementation", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 153256 }
2026-08-10T02:20:32.917453+00:00
codeforces:200-A
codeforces
200-A
Cinema
https://codeforces.com/problemset/problem/200/A
[ "brute force", "data structures" ]
null
null
stdin_stdout
2,400
{ "solved_count": 760 }
2026-08-10T02:20:32.917453+00:00
codeforces:199-B
codeforces
199-B
Special Olympics
https://codeforces.com/problemset/problem/199/B
[ "geometry" ]
null
null
stdin_stdout
1,900
{ "solved_count": 884 }
2026-08-10T02:20:32.917453+00:00
codeforces:199-A
codeforces
199-A
Hexadecimal's theorem
https://codeforces.com/problemset/problem/199/A
[ "brute force", "constructive algorithms", "implementation", "number theory" ]
null
null
stdin_stdout
900
{ "solved_count": 30866 }
2026-08-10T02:20:32.917453+00:00
codeforces:198-E
codeforces
198-E
Gripping Story
https://codeforces.com/problemset/problem/198/E
[ "binary search", "data structures", "sortings" ]
null
null
stdin_stdout
2,400
{ "solved_count": 591 }
2026-08-10T02:20:32.917453+00:00
codeforces:198-D
codeforces
198-D
Cube Snake
https://codeforces.com/problemset/problem/198/D
[ "constructive algorithms" ]
null
null
stdin_stdout
2,700
{ "solved_count": 118 }
2026-08-10T02:20:32.917453+00:00
codeforces:198-C
codeforces
198-C
Delivering Carcinogen
https://codeforces.com/problemset/problem/198/C
[ "binary search", "geometry" ]
null
null
stdin_stdout
2,400
{ "solved_count": 453 }
2026-08-10T02:20:32.917453+00:00
codeforces:198-B
codeforces
198-B
Jumping on Walls
https://codeforces.com/problemset/problem/198/B
[ "shortest paths" ]
null
null
stdin_stdout
1,400
{ "solved_count": 5395 }
2026-08-10T02:20:32.917453+00:00
codeforces:198-A
codeforces
198-A
About Bacteria
https://codeforces.com/problemset/problem/198/A
[ "implementation", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 3355 }
2026-08-10T02:20:32.917453+00:00
codeforces:197-B
codeforces
197-B
Limit
https://codeforces.com/problemset/problem/197/B
[ "math" ]
null
null
stdin_stdout
1,400
{ "solved_count": 4953 }
2026-08-10T02:20:32.917453+00:00
codeforces:197-A
codeforces
197-A
Plate Game
https://codeforces.com/problemset/problem/197/A
[ "constructive algorithms", "games", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 6918 }
2026-08-10T02:20:32.917453+00:00
codeforces:196-E
codeforces
196-E
Opening Portals
https://codeforces.com/problemset/problem/196/E
[ "dsu", "graphs", "shortest paths" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1268 }
2026-08-10T02:20:32.917453+00:00
codeforces:196-D
codeforces
196-D
The Next Good String
https://codeforces.com/problemset/problem/196/D
[ "data structures", "greedy", "hashing", "strings" ]
null
null
stdin_stdout
2,800
{ "solved_count": 651 }
2026-08-10T02:20:32.917453+00:00
codeforces:196-C
codeforces
196-C
Paint Tree
https://codeforces.com/problemset/problem/196/C
[ "constructive algorithms", "divide and conquer", "geometry", "sortings", "trees" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1071 }
2026-08-10T02:20:32.917453+00:00
codeforces:196-B
codeforces
196-B
Infinite Maze
https://codeforces.com/problemset/problem/196/B
[ "dfs and similar", "graphs" ]
null
null
stdin_stdout
2,000
{ "solved_count": 2503 }
2026-08-10T02:20:32.917453+00:00
codeforces:196-A
codeforces
196-A
Lexicographically Maximum Subsequence
https://codeforces.com/problemset/problem/196/A
[ "greedy", "strings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 5902 }
2026-08-10T02:20:32.917453+00:00
codeforces:195-E
codeforces
195-E
Building Forest
https://codeforces.com/problemset/problem/195/E
[ "data structures", "dsu", "graphs" ]
null
null
stdin_stdout
2,000
{ "solved_count": 925 }
2026-08-10T02:20:32.917453+00:00
codeforces:195-D
codeforces
195-D
Analyzing Polyline
https://codeforces.com/problemset/problem/195/D
[ "geometry", "math", "sortings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1139 }
2026-08-10T02:20:32.917453+00:00
codeforces:195-C
codeforces
195-C
Try and Catch
https://codeforces.com/problemset/problem/195/C
[ "expression parsing", "implementation" ]
null
null
stdin_stdout
1,800
{ "solved_count": 1263 }
2026-08-10T02:20:32.917453+00:00
codeforces:195-B
codeforces
195-B
After Training
https://codeforces.com/problemset/problem/195/B
[ "data structures", "implementation", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 5546 }
2026-08-10T02:20:32.917453+00:00
codeforces:195-A
codeforces
195-A
Let's Watch Football
https://codeforces.com/problemset/problem/195/A
[ "binary search", "brute force", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 10334 }
2026-08-10T02:20:32.917453+00:00
codeforces:194-B
codeforces
194-B
Square
https://codeforces.com/problemset/problem/194/B
[ "math" ]
null
null
stdin_stdout
1,200
{ "solved_count": 4039 }
2026-08-10T02:20:32.917453+00:00
codeforces:194-A
codeforces
194-A
Exams
https://codeforces.com/problemset/problem/194/A
[ "implementation", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 11036 }
2026-08-10T02:20:32.917453+00:00
codeforces:193-E
codeforces
193-E
Fibonacci Number
https://codeforces.com/problemset/problem/193/E
[ "brute force", "math", "matrices" ]
null
null
stdin_stdout
2,900
{ "solved_count": 425 }
2026-08-10T02:20:32.917453+00:00
codeforces:193-D
codeforces
193-D
Two Segments
https://codeforces.com/problemset/problem/193/D
[ "data structures" ]
null
null
stdin_stdout
2,900
{ "solved_count": 658 }
2026-08-10T02:20:32.917453+00:00
codeforces:193-C
codeforces
193-C
Hamming Distance
https://codeforces.com/problemset/problem/193/C
[ "constructive algorithms", "greedy", "math", "matrices" ]
null
null
stdin_stdout
2,400
{ "solved_count": 708 }
2026-08-10T02:20:32.917453+00:00
codeforces:193-B
codeforces
193-B
Xor
https://codeforces.com/problemset/problem/193/B
[ "brute force" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1184 }
2026-08-10T02:20:32.917453+00:00
codeforces:193-A
codeforces
193-A
Cutting Figure
https://codeforces.com/problemset/problem/193/A
[ "constructive algorithms", "graphs", "trees" ]
null
null
stdin_stdout
1,700
{ "solved_count": 4749 }
2026-08-10T02:20:32.917453+00:00
codeforces:192-B
codeforces
192-B
Walking in the Rain
https://codeforces.com/problemset/problem/192/B
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 6857 }
2026-08-10T02:20:32.917453+00:00
codeforces:192-A
codeforces
192-A
Funky Numbers
https://codeforces.com/problemset/problem/192/A
[ "binary search", "brute force", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 11662 }
2026-08-10T02:20:32.917453+00:00
codeforces:191-E
codeforces
191-E
Thwarting Demonstrations
https://codeforces.com/problemset/problem/191/E
[ "binary search", "data structures", "trees" ]
null
null
stdin_stdout
2,200
{ "solved_count": 990 }
2026-08-10T02:20:32.917453+00:00
codeforces:191-D
codeforces
191-D
Metro Scheme
https://codeforces.com/problemset/problem/191/D
[ "graphs", "greedy" ]
null
null
stdin_stdout
2,700
{ "solved_count": 421 }
2026-08-10T02:20:32.917453+00:00
codeforces:191-C
codeforces
191-C
Fools and Roads
https://codeforces.com/problemset/problem/191/C
[ "data structures", "dfs and similar", "trees" ]
null
null
stdin_stdout
1,900
{ "solved_count": 9843 }
2026-08-10T02:20:32.917453+00:00
codeforces:191-B
codeforces
191-B
Demonstration
https://codeforces.com/problemset/problem/191/B
[ "greedy" ]
null
null
stdin_stdout
1,700
{ "solved_count": 1108 }
2026-08-10T02:20:32.917453+00:00
codeforces:191-A
codeforces
191-A
Dynasty Puzzles
https://codeforces.com/problemset/problem/191/A
[ "dp" ]
null
null
stdin_stdout
1,500
{ "solved_count": 4640 }
2026-08-10T02:20:32.917453+00:00
codeforces:190-E
codeforces
190-E
Counter Attack
https://codeforces.com/problemset/problem/190/E
[ "data structures", "dsu", "graphs", "hashing", "sortings" ]
null
null
stdin_stdout
2,100
{ "solved_count": 1804 }
2026-08-10T02:20:32.917453+00:00
codeforces:190-D
codeforces
190-D
Non-Secret Cypher
https://codeforces.com/problemset/problem/190/D
[ "two pointers" ]
null
null
stdin_stdout
1,900
{ "solved_count": 2700 }
2026-08-10T02:20:32.917453+00:00
codeforces:190-C
codeforces
190-C
STL
https://codeforces.com/problemset/problem/190/C
[ "dfs and similar" ]
null
null
stdin_stdout
1,500
{ "solved_count": 3267 }
2026-08-10T02:20:32.917453+00:00
codeforces:190-B
codeforces
190-B
Surrounded
https://codeforces.com/problemset/problem/190/B
[ "geometry" ]
null
null
stdin_stdout
1,800
{ "solved_count": 3120 }
2026-08-10T02:20:32.917453+00:00
codeforces:190-A
codeforces
190-A
Vasya and the Bus
https://codeforces.com/problemset/problem/190/A
[ "greedy", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 6312 }
2026-08-10T02:20:32.917453+00:00
codeforces:189-B
codeforces
189-B
Counting Rhombi
https://codeforces.com/problemset/problem/189/B
[ "brute force", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 4249 }
2026-08-10T02:20:32.917453+00:00
codeforces:189-A
codeforces
189-A
Cut Ribbon
https://codeforces.com/problemset/problem/189/A
[ "brute force", "dp" ]
null
null
stdin_stdout
1,300
{ "solved_count": 83911 }
2026-08-10T02:20:32.917453+00:00
codeforces:188-H
codeforces
188-H
Stack
https://codeforces.com/problemset/problem/188/H
[ "*special", "expression parsing", "implementation" ]
null
null
stdin_stdout
1,800
{ "solved_count": 712 }
2026-08-10T02:20:32.917453+00:00
codeforces:188-G
codeforces
188-G
Array Sorting
https://codeforces.com/problemset/problem/188/G
[ "*special", "implementation" ]
null
null
stdin_stdout
1,600
{ "solved_count": 365 }
2026-08-10T02:20:32.917453+00:00
codeforces:188-F
codeforces
188-F
Binary Notation
https://codeforces.com/problemset/problem/188/F
[ "*special", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 349 }
2026-08-10T02:20:32.917453+00:00
codeforces:188-E
codeforces
188-E
HQ9+
https://codeforces.com/problemset/problem/188/E
[ "*special", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 559 }
2026-08-10T02:20:32.917453+00:00
codeforces:188-D
codeforces
188-D
Asterisks
https://codeforces.com/problemset/problem/188/D
[ "*special", "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 759 }
2026-08-10T02:20:32.917453+00:00
codeforces:188-C
codeforces
188-C
LCM
https://codeforces.com/problemset/problem/188/C
[ "*special", "implementation", "math" ]
null
null
stdin_stdout
1,400
{ "solved_count": 528 }
2026-08-10T02:20:32.917453+00:00
codeforces:188-B
codeforces
188-B
A + Reverse B
https://codeforces.com/problemset/problem/188/B
[ "*special", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 813 }
2026-08-10T02:20:32.917453+00:00
codeforces:188-A
codeforces
188-A
Hexagonal Numbers
https://codeforces.com/problemset/problem/188/A
[ "*special" ]
null
null
stdin_stdout
1,100
{ "solved_count": 862 }
2026-08-10T02:20:32.917453+00:00
codeforces:187-E
codeforces
187-E
Heaven Tour
https://codeforces.com/problemset/problem/187/E
[ "data structures", "greedy" ]
null
null
stdin_stdout
2,900
{ "solved_count": 123 }
2026-08-10T02:20:32.917453+00:00
codeforces:187-D
codeforces
187-D
BRT Contract
https://codeforces.com/problemset/problem/187/D
[ "data structures" ]
null
null
stdin_stdout
2,800
{ "solved_count": 628 }
2026-08-10T02:20:32.917453+00:00
codeforces:187-C
codeforces
187-C
Weak Memory
https://codeforces.com/problemset/problem/187/C
[ "dfs and similar", "dsu" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1638 }
2026-08-10T02:20:32.917453+00:00
codeforces:187-B
codeforces
187-B
AlgoRace
https://codeforces.com/problemset/problem/187/B
[ "dp", "shortest paths" ]
null
null
stdin_stdout
1,800
{ "solved_count": 2385 }
2026-08-10T02:20:32.917453+00:00
codeforces:187-A
codeforces
187-A
Permutations
https://codeforces.com/problemset/problem/187/A
[ "greedy" ]
null
null
stdin_stdout
1,500
{ "solved_count": 3068 }
2026-08-10T02:20:32.917453+00:00
codeforces:186-B
codeforces
186-B
Growing Mushrooms
https://codeforces.com/problemset/problem/186/B
[ "greedy", "sortings" ]
null
null
stdin_stdout
1,200
{ "solved_count": 6244 }
2026-08-10T02:20:32.917453+00:00
codeforces:186-A
codeforces
186-A
Comparing Strings
https://codeforces.com/problemset/problem/186/A
[ "implementation", "strings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 18715 }
2026-08-10T02:20:32.917453+00:00
codeforces:185-E
codeforces
185-E
Soap Time! - 2
https://codeforces.com/problemset/problem/185/E
[ "binary search", "data structures" ]
null
null
stdin_stdout
3,000
{ "solved_count": 262 }
2026-08-10T02:20:32.917453+00:00
codeforces:185-D
codeforces
185-D
Visit of the Great
https://codeforces.com/problemset/problem/185/D
[ "math", "number theory" ]
null
null
stdin_stdout
2,600
{ "solved_count": 545 }
2026-08-10T02:20:32.917453+00:00
codeforces:185-C
codeforces
185-C
Clever Fat Rat
https://codeforces.com/problemset/problem/185/C
[ "dp" ]
null
null
stdin_stdout
2,500
{ "solved_count": 151 }
2026-08-10T02:20:32.917453+00:00
codeforces:185-B
codeforces
185-B
Mushroom Scientists
https://codeforces.com/problemset/problem/185/B
[ "math", "ternary search" ]
null
null
stdin_stdout
1,800
{ "solved_count": 1802 }
2026-08-10T02:20:32.917453+00:00
codeforces:185-A
codeforces
185-A
Plant
https://codeforces.com/problemset/problem/185/A
[ "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 6633 }
2026-08-10T02:20:32.917453+00:00
codeforces:183-E
codeforces
183-E
Candy Shop
https://codeforces.com/problemset/problem/183/E
[ "greedy" ]
null
null
stdin_stdout
2,900
{ "solved_count": 236 }
2026-08-10T02:20:32.917453+00:00
codeforces:183-D
codeforces
183-D
T-shirt
https://codeforces.com/problemset/problem/183/D
[ "dp", "greedy", "probabilities" ]
null
null
stdin_stdout
2,700
{ "solved_count": 520 }
2026-08-10T02:20:32.917453+00:00
codeforces:183-C
codeforces
183-C
Cyclic Coloring
https://codeforces.com/problemset/problem/183/C
[ "dfs and similar" ]
null
null
stdin_stdout
2,200
{ "solved_count": 764 }
2026-08-10T02:20:32.917453+00:00
codeforces:183-B
codeforces
183-B
Zoo
https://codeforces.com/problemset/problem/183/B
[ "brute force", "geometry" ]
null
null
stdin_stdout
1,700
{ "solved_count": 860 }
2026-08-10T02:20:32.917453+00:00
codeforces:183-A
codeforces
183-A
Headquarters
https://codeforces.com/problemset/problem/183/A
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 673 }
2026-08-10T02:20:32.917453+00:00
codeforces:182-E
codeforces
182-E
Wooden Fence
https://codeforces.com/problemset/problem/182/E
[ "dp" ]
null
null
stdin_stdout
1,800
{ "solved_count": 1695 }
2026-08-10T02:20:32.917453+00:00
codeforces:182-D
codeforces
182-D
Common Divisors
https://codeforces.com/problemset/problem/182/D
[ "brute force", "hashing", "implementation", "math", "strings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 9408 }
2026-08-10T02:20:32.917453+00:00
codeforces:182-C
codeforces
182-C
Optimal Sum
https://codeforces.com/problemset/problem/182/C
[ "data structures", "greedy" ]
null
null
stdin_stdout
2,000
{ "solved_count": 903 }
2026-08-10T02:20:32.917453+00:00
codeforces:182-B
codeforces
182-B
Vasya's Calendar
https://codeforces.com/problemset/problem/182/B
[ "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 7424 }
2026-08-10T02:20:32.917453+00:00
codeforces:182-A
codeforces
182-A
Battlefield
https://codeforces.com/problemset/problem/182/A
[ "geometry", "graphs", "implementation", "shortest paths" ]
null
null
stdin_stdout
2,200
{ "solved_count": 367 }
2026-08-10T02:20:32.917453+00:00
codeforces:181-B
codeforces
181-B
Number of Triplets
https://codeforces.com/problemset/problem/181/B
[ "binary search", "brute force" ]
null
null
stdin_stdout
1,300
{ "solved_count": 3578 }
2026-08-10T02:20:32.917453+00:00
codeforces:181-A
codeforces
181-A
Series of Crimes
https://codeforces.com/problemset/problem/181/A
[ "brute force", "geometry", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 8980 }
2026-08-10T02:20:32.917453+00:00
codeforces:180-F
codeforces
180-F
Mathematical Analysis Rocks!
https://codeforces.com/problemset/problem/180/F
[ "constructive algorithms", "implementation", "math" ]
null
null
stdin_stdout
1,200
{ "solved_count": 2881 }
2026-08-10T02:20:32.917453+00:00
codeforces:180-E
codeforces
180-E
Cubes
https://codeforces.com/problemset/problem/180/E
[ "binary search", "dp", "two pointers" ]
null
null
stdin_stdout
1,800
{ "solved_count": 2097 }
2026-08-10T02:20:32.917453+00:00
codeforces:180-D
codeforces
180-D
Name
https://codeforces.com/problemset/problem/180/D
[ "greedy", "strings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 818 }
2026-08-10T02:20:32.917453+00:00
codeforces:180-C
codeforces
180-C
Letter
https://codeforces.com/problemset/problem/180/C
[ "dp" ]
null
null
stdin_stdout
1,400
{ "solved_count": 8700 }
2026-08-10T02:20:32.917453+00:00
codeforces:180-B
codeforces
180-B
Divisibility Rules
https://codeforces.com/problemset/problem/180/B
[ "math", "number theory" ]
null
null
stdin_stdout
2,300
{ "solved_count": 488 }
2026-08-10T02:20:32.917453+00:00
codeforces:180-A
codeforces
180-A
Defragmentation
https://codeforces.com/problemset/problem/180/A
[ "implementation" ]
null
null
stdin_stdout
1,800
{ "solved_count": 603 }
2026-08-10T02:20:32.917453+00:00
codeforces:178-F3
codeforces
178-F3
Representative Sampling
https://codeforces.com/problemset/problem/178/F3
[]
null
null
stdin_stdout
2,500
{ "solved_count": 654 }
2026-08-10T02:20:32.917453+00:00
codeforces:178-F2
codeforces
178-F2
Representative Sampling
https://codeforces.com/problemset/problem/178/F2
[ "dp", "sortings", "strings" ]
null
null
stdin_stdout
2,200
{ "solved_count": 392 }
2026-08-10T02:20:32.917453+00:00
codeforces:178-F1
codeforces
178-F1
Representative Sampling
https://codeforces.com/problemset/problem/178/F1
[]
null
null
stdin_stdout
1,800
{ "solved_count": 464 }
2026-08-10T02:20:32.917453+00:00
codeforces:178-E3
codeforces
178-E3
The Beaver's Problem - 2
https://codeforces.com/problemset/problem/178/E3
[]
null
null
stdin_stdout
2,300
{ "solved_count": 218 }
2026-08-10T02:20:32.917453+00:00
codeforces:178-E2
codeforces
178-E2
The Beaver's Problem - 2
https://codeforces.com/problemset/problem/178/E2
[]
null
null
stdin_stdout
2,000
{ "solved_count": 246 }
2026-08-10T02:20:32.917453+00:00
codeforces:178-E1
codeforces
178-E1
The Beaver's Problem - 2
https://codeforces.com/problemset/problem/178/E1
[]
null
null
stdin_stdout
1,900
{ "solved_count": 318 }
2026-08-10T02:20:32.917453+00:00