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codeforces:268-B
codeforces
268-B
Buttons
https://codeforces.com/problemset/problem/268/B
[ "implementation", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 35915 }
2026-06-01T05:00:40.145500+00:00
codeforces:268-A
codeforces
268-A
Games
https://codeforces.com/problemset/problem/268/A
[ "brute force" ]
null
null
stdin_stdout
800
{ "solved_count": 104888 }
2026-06-01T05:00:40.145500+00:00
codeforces:267-C
codeforces
267-C
Berland Traffic
https://codeforces.com/problemset/problem/267/C
[ "math", "matrices" ]
null
null
stdin_stdout
2,700
{ "solved_count": 253 }
2026-06-01T05:00:40.145500+00:00
codeforces:267-B
codeforces
267-B
Dominoes
https://codeforces.com/problemset/problem/267/B
[ "dfs and similar", "graphs" ]
null
null
stdin_stdout
2,000
{ "solved_count": 753 }
2026-06-01T05:00:40.145500+00:00
codeforces:267-A
codeforces
267-A
Subtractions
https://codeforces.com/problemset/problem/267/A
[ "math", "number theory" ]
null
null
stdin_stdout
900
{ "solved_count": 9608 }
2026-06-01T05:00:40.145500+00:00
codeforces:266-E
codeforces
266-E
More Queries to Array...
https://codeforces.com/problemset/problem/266/E
[ "data structures", "math" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1064 }
2026-06-01T05:00:40.145500+00:00
codeforces:266-D
codeforces
266-D
BerDonalds
https://codeforces.com/problemset/problem/266/D
[ "graphs", "math", "shortest paths" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1003 }
2026-06-01T05:00:40.145500+00:00
codeforces:266-C
codeforces
266-C
Below the Diagonal
https://codeforces.com/problemset/problem/266/C
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
2,100
{ "solved_count": 1433 }
2026-06-01T05:00:40.145500+00:00
codeforces:266-B
codeforces
266-B
Queue at the School
https://codeforces.com/problemset/problem/266/B
[ "constructive algorithms", "graph matchings", "implementation", "shortest paths" ]
null
null
stdin_stdout
800
{ "solved_count": 167298 }
2026-06-01T05:00:40.145500+00:00
codeforces:266-A
codeforces
266-A
Stones on the Table
https://codeforces.com/problemset/problem/266/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 246536 }
2026-06-01T05:00:40.145500+00:00
codeforces:265-B
codeforces
265-B
Roadside Trees (Simplified Edition)
https://codeforces.com/problemset/problem/265/B
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 17945 }
2026-06-01T05:00:40.145500+00:00
codeforces:265-A
codeforces
265-A
Colorful Stones (Simplified Edition)
https://codeforces.com/problemset/problem/265/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 42952 }
2026-06-01T05:00:40.145500+00:00
codeforces:264-E
codeforces
264-E
Roadside Trees
https://codeforces.com/problemset/problem/264/E
[ "data structures", "dp" ]
null
null
stdin_stdout
3,000
{ "solved_count": 472 }
2026-06-01T05:00:40.145500+00:00
codeforces:264-D
codeforces
264-D
Colorful Stones
https://codeforces.com/problemset/problem/264/D
[ "dp", "two pointers" ]
null
null
stdin_stdout
2,500
{ "solved_count": 452 }
2026-06-01T05:00:40.145500+00:00
codeforces:264-C
codeforces
264-C
Choosing Balls
https://codeforces.com/problemset/problem/264/C
[ "dp" ]
null
null
stdin_stdout
2,000
{ "solved_count": 3284 }
2026-06-01T05:00:40.145500+00:00
codeforces:264-B
codeforces
264-B
Good Sequences
https://codeforces.com/problemset/problem/264/B
[ "dp", "number theory" ]
null
null
stdin_stdout
1,500
{ "solved_count": 12121 }
2026-06-01T05:00:40.145500+00:00
codeforces:264-A
codeforces
264-A
Escape from Stones
https://codeforces.com/problemset/problem/264/A
[ "constructive algorithms", "data structures", "implementation", "two pointers" ]
null
null
stdin_stdout
1,200
{ "solved_count": 11832 }
2026-06-01T05:00:40.145500+00:00
codeforces:263-E
codeforces
263-E
Rhombus
https://codeforces.com/problemset/problem/263/E
[ "brute force", "data structures", "dp" ]
null
null
stdin_stdout
2,500
{ "solved_count": 446 }
2026-06-01T05:00:40.145500+00:00
codeforces:263-D
codeforces
263-D
Cycle in Graph
https://codeforces.com/problemset/problem/263/D
[ "dfs and similar", "graphs" ]
null
null
stdin_stdout
1,800
{ "solved_count": 4514 }
2026-06-01T05:00:40.145500+00:00
codeforces:263-C
codeforces
263-C
Circle of Numbers
https://codeforces.com/problemset/problem/263/C
[ "brute force", "dfs and similar", "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1137 }
2026-06-01T05:00:40.145500+00:00
codeforces:263-B
codeforces
263-B
Squares
https://codeforces.com/problemset/problem/263/B
[ "greedy", "implementation", "sortings" ]
null
null
stdin_stdout
900
{ "solved_count": 9803 }
2026-06-01T05:00:40.145500+00:00
codeforces:263-A
codeforces
263-A
Beautiful Matrix
https://codeforces.com/problemset/problem/263/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 320916 }
2026-06-01T05:00:40.145500+00:00
codeforces:262-B
codeforces
262-B
Roma and Changing Signs
https://codeforces.com/problemset/problem/262/B
[ "greedy" ]
null
null
stdin_stdout
1,200
{ "solved_count": 12350 }
2026-06-01T05:00:40.145500+00:00
codeforces:262-A
codeforces
262-A
Roma and Lucky Numbers
https://codeforces.com/problemset/problem/262/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 22530 }
2026-06-01T05:00:40.145500+00:00
codeforces:261-E
codeforces
261-E
Maxim and Calculator
https://codeforces.com/problemset/problem/261/E
[ "brute force", "dp", "two pointers" ]
null
null
stdin_stdout
2,800
{ "solved_count": 440 }
2026-06-01T05:00:40.145500+00:00
codeforces:261-D
codeforces
261-D
Maxim and Increasing Subsequence
https://codeforces.com/problemset/problem/261/D
[ "dp" ]
null
null
stdin_stdout
2,600
{ "solved_count": 714 }
2026-06-01T05:00:40.145500+00:00
codeforces:261-C
codeforces
261-C
Maxim and Matrix
https://codeforces.com/problemset/problem/261/C
[ "constructive algorithms", "dp", "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 841 }
2026-06-01T05:00:40.145500+00:00
codeforces:261-B
codeforces
261-B
Maxim and Restaurant
https://codeforces.com/problemset/problem/261/B
[ "dp", "math", "probabilities" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1618 }
2026-06-01T05:00:40.145500+00:00
codeforces:261-A
codeforces
261-A
Maxim and Discounts
https://codeforces.com/problemset/problem/261/A
[ "greedy", "sortings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 5617 }
2026-06-01T05:00:40.145500+00:00
codeforces:260-E
codeforces
260-E
Dividing Kingdom
https://codeforces.com/problemset/problem/260/E
[ "binary search", "brute force", "data structures" ]
null
null
stdin_stdout
2,500
{ "solved_count": 512 }
2026-06-01T05:00:40.145500+00:00
codeforces:260-D
codeforces
260-D
Black and White Tree
https://codeforces.com/problemset/problem/260/D
[ "constructive algorithms", "dsu", "graphs", "greedy", "trees" ]
null
null
stdin_stdout
2,100
{ "solved_count": 1669 }
2026-06-01T05:00:40.145500+00:00
codeforces:260-C
codeforces
260-C
Balls and Boxes
https://codeforces.com/problemset/problem/260/C
[ "constructive algorithms", "greedy", "implementation" ]
null
null
stdin_stdout
1,700
{ "solved_count": 3234 }
2026-06-01T05:00:40.145500+00:00
codeforces:260-B
codeforces
260-B
Ancient Prophesy
https://codeforces.com/problemset/problem/260/B
[ "brute force", "implementation", "strings" ]
null
null
stdin_stdout
1,600
{ "solved_count": 4096 }
2026-06-01T05:00:40.145500+00:00
codeforces:260-A
codeforces
260-A
Adding Digits
https://codeforces.com/problemset/problem/260/A
[ "implementation", "math" ]
null
null
stdin_stdout
1,400
{ "solved_count": 16638 }
2026-06-01T05:00:40.145500+00:00
codeforces:259-B
codeforces
259-B
Little Elephant and Magic Square
https://codeforces.com/problemset/problem/259/B
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 14716 }
2026-06-01T05:00:40.145500+00:00
codeforces:259-A
codeforces
259-A
Little Elephant and Chess
https://codeforces.com/problemset/problem/259/A
[ "brute force", "strings" ]
null
null
stdin_stdout
1,000
{ "solved_count": 10071 }
2026-06-01T05:00:40.145500+00:00
codeforces:258-E
codeforces
258-E
Little Elephant and Tree
https://codeforces.com/problemset/problem/258/E
[ "data structures", "dfs and similar", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1324 }
2026-06-01T05:00:40.145500+00:00
codeforces:258-D
codeforces
258-D
Little Elephant and Broken Sorting
https://codeforces.com/problemset/problem/258/D
[ "dp", "math", "probabilities" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1426 }
2026-06-01T05:00:40.145500+00:00
codeforces:258-C
codeforces
258-C
Little Elephant and LCM
https://codeforces.com/problemset/problem/258/C
[ "binary search", "combinatorics", "dp", "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1988 }
2026-06-01T05:00:40.145500+00:00
codeforces:258-B
codeforces
258-B
Little Elephant and Elections
https://codeforces.com/problemset/problem/258/B
[ "brute force", "combinatorics", "dp" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1609 }
2026-06-01T05:00:40.145500+00:00
codeforces:258-A
codeforces
258-A
Little Elephant and Bits
https://codeforces.com/problemset/problem/258/A
[ "greedy", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 26619 }
2026-06-01T05:00:40.145500+00:00
codeforces:257-E
codeforces
257-E
Greedy Elevator
https://codeforces.com/problemset/problem/257/E
[ "data structures", "implementation" ]
null
null
stdin_stdout
2,200
{ "solved_count": 347 }
2026-06-01T05:00:40.145500+00:00
codeforces:257-D
codeforces
257-D
Sum
https://codeforces.com/problemset/problem/257/D
[ "greedy", "math" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1724 }
2026-06-01T05:00:40.145500+00:00
codeforces:257-C
codeforces
257-C
View Angle
https://codeforces.com/problemset/problem/257/C
[ "brute force", "geometry", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 4733 }
2026-06-01T05:00:40.145500+00:00
codeforces:257-B
codeforces
257-B
Playing Cubes
https://codeforces.com/problemset/problem/257/B
[ "games", "greedy", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 7797 }
2026-06-01T05:00:40.145500+00:00
codeforces:257-A
codeforces
257-A
Sockets
https://codeforces.com/problemset/problem/257/A
[ "greedy", "implementation", "sortings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 6923 }
2026-06-01T05:00:40.145500+00:00
codeforces:256-E
codeforces
256-E
Lucky Arrays
https://codeforces.com/problemset/problem/256/E
[ "data structures" ]
null
null
stdin_stdout
2,400
{ "solved_count": 731 }
2026-06-01T05:00:40.145500+00:00
codeforces:256-D
codeforces
256-D
Liars and Serge
https://codeforces.com/problemset/problem/256/D
[ "dp" ]
null
null
stdin_stdout
2,700
{ "solved_count": 280 }
2026-06-01T05:00:40.145500+00:00
codeforces:255-E
codeforces
255-E
Furlo and Rublo and Game
https://codeforces.com/problemset/problem/255/E
[ "games", "implementation", "math" ]
null
null
stdin_stdout
2,200
{ "solved_count": 977 }
2026-06-01T05:00:40.145500+00:00
codeforces:255-D
codeforces
255-D
Mr. Bender and Square
https://codeforces.com/problemset/problem/255/D
[ "binary search", "implementation", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 2209 }
2026-06-01T05:00:40.145500+00:00
codeforces:255-C
codeforces
255-C
Almost Arithmetical Progression
https://codeforces.com/problemset/problem/255/C
[ "brute force", "dp" ]
null
null
stdin_stdout
1,500
{ "solved_count": 5061 }
2026-06-01T05:00:40.145500+00:00
codeforces:255-B
codeforces
255-B
Code Parsing
https://codeforces.com/problemset/problem/255/B
[ "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 5469 }
2026-06-01T05:00:40.145500+00:00
codeforces:255-A
codeforces
255-A
Greg's Workout
https://codeforces.com/problemset/problem/255/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 31275 }
2026-06-01T05:00:40.145500+00:00
codeforces:254-E
codeforces
254-E
Dormitory
https://codeforces.com/problemset/problem/254/E
[ "dp", "implementation" ]
null
null
stdin_stdout
2,100
{ "solved_count": 730 }
2026-06-01T05:00:40.145500+00:00
codeforces:254-D
codeforces
254-D
Rats
https://codeforces.com/problemset/problem/254/D
[ "brute force", "dfs and similar", "graphs", "implementation", "shortest paths" ]
null
null
stdin_stdout
2,300
{ "solved_count": 654 }
2026-06-01T05:00:40.145500+00:00
codeforces:254-C
codeforces
254-C
Anagram
https://codeforces.com/problemset/problem/254/C
[ "greedy", "strings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 1608 }
2026-06-01T05:00:40.145500+00:00
codeforces:254-B
codeforces
254-B
Jury Size
https://codeforces.com/problemset/problem/254/B
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 2271 }
2026-06-01T05:00:40.145500+00:00
codeforces:254-A
codeforces
254-A
Cards with Numbers
https://codeforces.com/problemset/problem/254/A
[ "constructive algorithms", "sortings" ]
null
null
stdin_stdout
1,200
{ "solved_count": 7761 }
2026-06-01T05:00:40.145500+00:00
codeforces:253-E
codeforces
253-E
Printer
https://codeforces.com/problemset/problem/253/E
[ "binary search", "data structures", "implementation", "sortings" ]
null
null
stdin_stdout
2,200
{ "solved_count": 585 }
2026-06-01T05:00:40.145500+00:00
codeforces:253-D
codeforces
253-D
Table with Letters - 2
https://codeforces.com/problemset/problem/253/D
[ "brute force", "two pointers" ]
null
null
stdin_stdout
2,000
{ "solved_count": 927 }
2026-06-01T05:00:40.145500+00:00
codeforces:253-C
codeforces
253-C
Text Editor
https://codeforces.com/problemset/problem/253/C
[ "data structures", "dfs and similar", "graphs", "greedy", "shortest paths" ]
null
null
stdin_stdout
1,600
{ "solved_count": 2912 }
2026-06-01T05:00:40.145500+00:00
codeforces:253-B
codeforces
253-B
Physics Practical
https://codeforces.com/problemset/problem/253/B
[ "binary search", "dp", "sortings", "two pointers" ]
null
null
stdin_stdout
1,400
{ "solved_count": 12410 }
2026-06-01T05:00:40.145500+00:00
codeforces:253-A
codeforces
253-A
Boys and Girls
https://codeforces.com/problemset/problem/253/A
[ "greedy" ]
null
null
stdin_stdout
1,100
{ "solved_count": 12177 }
2026-06-01T05:00:40.145500+00:00
codeforces:252-B
codeforces
252-B
Unsorting Array
https://codeforces.com/problemset/problem/252/B
[ "brute force", "sortings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 1879 }
2026-06-01T05:00:40.145500+00:00
codeforces:252-A
codeforces
252-A
Little Xor
https://codeforces.com/problemset/problem/252/A
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 5880 }
2026-06-01T05:00:40.145500+00:00
codeforces:251-E
codeforces
251-E
Tree and Table
https://codeforces.com/problemset/problem/251/E
[ "dfs and similar", "dp", "implementation", "trees" ]
null
null
stdin_stdout
3,000
{ "solved_count": 205 }
2026-06-01T05:00:40.145500+00:00
codeforces:251-D
codeforces
251-D
Two Sets
https://codeforces.com/problemset/problem/251/D
[ "bitmasks", "math" ]
null
null
stdin_stdout
2,700
{ "solved_count": 592 }
2026-06-01T05:00:40.145500+00:00
codeforces:251-C
codeforces
251-C
Number Transformation
https://codeforces.com/problemset/problem/251/C
[ "dp", "greedy", "number theory" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1133 }
2026-06-01T05:00:40.145500+00:00
codeforces:251-B
codeforces
251-B
Playing with Permutations
https://codeforces.com/problemset/problem/251/B
[ "implementation", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 1384 }
2026-06-01T05:00:40.145500+00:00
codeforces:251-A
codeforces
251-A
Points on Line
https://codeforces.com/problemset/problem/251/A
[ "binary search", "combinatorics", "two pointers" ]
null
null
stdin_stdout
1,300
{ "solved_count": 21520 }
2026-06-01T05:00:40.145500+00:00
codeforces:250-E
codeforces
250-E
Mad Joe
https://codeforces.com/problemset/problem/250/E
[ "brute force" ]
null
null
stdin_stdout
2,000
{ "solved_count": 504 }
2026-06-01T05:00:40.145500+00:00
codeforces:250-D
codeforces
250-D
Building Bridge
https://codeforces.com/problemset/problem/250/D
[ "geometry", "ternary search", "two pointers" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1016 }
2026-06-01T05:00:40.145500+00:00
codeforces:250-C
codeforces
250-C
Movie Critics
https://codeforces.com/problemset/problem/250/C
[ "greedy" ]
null
null
stdin_stdout
1,600
{ "solved_count": 2231 }
2026-06-01T05:00:40.145500+00:00
codeforces:250-B
codeforces
250-B
Restoring IPv6
https://codeforces.com/problemset/problem/250/B
[ "implementation", "strings" ]
null
null
stdin_stdout
1,500
{ "solved_count": 2242 }
2026-06-01T05:00:40.145500+00:00
codeforces:250-A
codeforces
250-A
Paper Work
https://codeforces.com/problemset/problem/250/A
[ "greedy" ]
null
null
stdin_stdout
1,000
{ "solved_count": 4831 }
2026-06-01T05:00:40.145500+00:00
codeforces:249-E
codeforces
249-E
Endless Matrix
https://codeforces.com/problemset/problem/249/E
[ "math" ]
null
null
stdin_stdout
2,600
{ "solved_count": 360 }
2026-06-01T05:00:40.145500+00:00
codeforces:249-D
codeforces
249-D
Donkey and Stars
https://codeforces.com/problemset/problem/249/D
[ "data structures", "dp", "geometry", "math", "sortings" ]
null
null
stdin_stdout
2,700
{ "solved_count": 509 }
2026-06-01T05:00:40.145500+00:00
codeforces:248-E
codeforces
248-E
Piglet's Birthday
https://codeforces.com/problemset/problem/248/E
[ "dp", "math", "probabilities" ]
null
null
stdin_stdout
2,600
{ "solved_count": 643 }
2026-06-01T05:00:40.145500+00:00
codeforces:248-D
codeforces
248-D
Sweets for Everyone!
https://codeforces.com/problemset/problem/248/D
[ "binary search", "greedy", "implementation" ]
null
null
stdin_stdout
2,300
{ "solved_count": 531 }
2026-06-01T05:00:40.145500+00:00
codeforces:248-C
codeforces
248-C
Robo-Footballer
https://codeforces.com/problemset/problem/248/C
[ "binary search", "geometry" ]
null
null
stdin_stdout
2,000
{ "solved_count": 903 }
2026-06-01T05:00:40.145500+00:00
codeforces:248-B
codeforces
248-B
Chilly Willy
https://codeforces.com/problemset/problem/248/B
[ "math", "number theory" ]
null
null
stdin_stdout
1,400
{ "solved_count": 5814 }
2026-06-01T05:00:40.145500+00:00
codeforces:248-A
codeforces
248-A
Cupboards
https://codeforces.com/problemset/problem/248/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 25177 }
2026-06-01T05:00:40.145500+00:00
codeforces:246-E
codeforces
246-E
Blood Cousins Return
https://codeforces.com/problemset/problem/246/E
[ "binary search", "data structures", "dfs and similar", "dp", "sortings" ]
null
null
stdin_stdout
2,400
{ "solved_count": 4592 }
2026-06-01T05:00:40.145500+00:00
codeforces:246-D
codeforces
246-D
Colorful Graph
https://codeforces.com/problemset/problem/246/D
[ "brute force", "dfs and similar", "graphs" ]
null
null
stdin_stdout
1,600
{ "solved_count": 10321 }
2026-06-01T05:00:40.145500+00:00
codeforces:246-C
codeforces
246-C
Beauty Pageant
https://codeforces.com/problemset/problem/246/C
[ "brute force", "constructive algorithms", "greedy" ]
null
null
stdin_stdout
1,600
{ "solved_count": 2834 }
2026-06-01T05:00:40.145500+00:00
codeforces:246-B
codeforces
246-B
Increase and Decrease
https://codeforces.com/problemset/problem/246/B
[ "greedy", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 12314 }
2026-06-01T05:00:40.145500+00:00
codeforces:246-A
codeforces
246-A
Buggy Sorting
https://codeforces.com/problemset/problem/246/A
[ "constructive algorithms", "greedy", "sortings" ]
null
null
stdin_stdout
900
{ "solved_count": 10253 }
2026-06-01T05:00:40.145500+00:00
codeforces:245-H
codeforces
245-H
Queries for Number of Palindromes
https://codeforces.com/problemset/problem/245/H
[ "dp", "hashing", "strings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 9157 }
2026-06-01T05:00:40.145500+00:00
codeforces:245-G
codeforces
245-G
Suggested Friends
https://codeforces.com/problemset/problem/245/G
[ "brute force", "graphs" ]
null
null
stdin_stdout
2,200
{ "solved_count": 546 }
2026-06-01T05:00:40.145500+00:00
codeforces:245-F
codeforces
245-F
Log Stream Analysis
https://codeforces.com/problemset/problem/245/F
[ "binary search", "brute force", "implementation", "strings" ]
null
null
stdin_stdout
2,000
{ "solved_count": 976 }
2026-06-01T05:00:40.145500+00:00
codeforces:245-E
codeforces
245-E
Mishap in Club
https://codeforces.com/problemset/problem/245/E
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 3533 }
2026-06-01T05:00:40.145500+00:00
codeforces:245-D
codeforces
245-D
Restoring Table
https://codeforces.com/problemset/problem/245/D
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
1,500
{ "solved_count": 2891 }
2026-06-01T05:00:40.145500+00:00
codeforces:245-C
codeforces
245-C
Game with Coins
https://codeforces.com/problemset/problem/245/C
[ "greedy" ]
null
null
stdin_stdout
1,700
{ "solved_count": 1692 }
2026-06-01T05:00:40.145500+00:00
codeforces:245-B
codeforces
245-B
Internet Address
https://codeforces.com/problemset/problem/245/B
[ "implementation", "strings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 5522 }
2026-06-01T05:00:40.145500+00:00
codeforces:245-A
codeforces
245-A
System Administrator
https://codeforces.com/problemset/problem/245/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 9152 }
2026-06-01T05:00:40.145500+00:00
codeforces:244-B
codeforces
244-B
Undoubtedly Lucky Numbers
https://codeforces.com/problemset/problem/244/B
[ "bitmasks", "brute force", "dfs and similar" ]
null
null
stdin_stdout
1,600
{ "solved_count": 4942 }
2026-06-01T05:00:40.145500+00:00
codeforces:244-A
codeforces
244-A
Dividing Orange
https://codeforces.com/problemset/problem/244/A
[ "implementation" ]
null
null
stdin_stdout
900
{ "solved_count": 8584 }
2026-06-01T05:00:40.145500+00:00
codeforces:243-E
codeforces
243-E
Matrix
https://codeforces.com/problemset/problem/243/E
[ "data structures" ]
null
null
stdin_stdout
3,000
{ "solved_count": 216 }
2026-06-01T05:00:40.145500+00:00
codeforces:243-D
codeforces
243-D
Cubes
https://codeforces.com/problemset/problem/243/D
[ "data structures", "dp", "geometry", "two pointers" ]
null
null
stdin_stdout
2,700
{ "solved_count": 233 }
2026-06-01T05:00:40.145500+00:00
codeforces:243-C
codeforces
243-C
Colorado Potato Beetle
https://codeforces.com/problemset/problem/243/C
[ "dfs and similar", "implementation" ]
null
null
stdin_stdout
2,200
{ "solved_count": 563 }
2026-06-01T05:00:40.145500+00:00