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codeforces:30-D
codeforces
30-D
King's Problem?
https://codeforces.com/problemset/problem/30/D
[ "geometry", "greedy" ]
null
null
stdin_stdout
2,600
{ "solved_count": 492 }
2026-04-13T03:38:27.662191+00:00
codeforces:30-C
codeforces
30-C
Shooting Gallery
https://codeforces.com/problemset/problem/30/C
[ "dp", "probabilities" ]
null
null
stdin_stdout
1,800
{ "solved_count": 2359 }
2026-04-13T03:38:27.662191+00:00
codeforces:30-B
codeforces
30-B
Codeforces World Finals
https://codeforces.com/problemset/problem/30/B
[ "implementation" ]
null
null
stdin_stdout
1,700
{ "solved_count": 1379 }
2026-04-13T03:38:27.662191+00:00
codeforces:30-A
codeforces
30-A
Accounting
https://codeforces.com/problemset/problem/30/A
[ "brute force", "math" ]
null
null
stdin_stdout
1,400
{ "solved_count": 3963 }
2026-04-13T03:38:27.662191+00:00
codeforces:29-E
codeforces
29-E
Quarrel
https://codeforces.com/problemset/problem/29/E
[ "graphs", "shortest paths" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1128 }
2026-04-13T03:38:27.662191+00:00
codeforces:29-D
codeforces
29-D
Ant on the Tree
https://codeforces.com/problemset/problem/29/D
[ "constructive algorithms", "dfs and similar", "trees" ]
null
null
stdin_stdout
2,000
{ "solved_count": 2929 }
2026-04-13T03:38:27.662191+00:00
codeforces:29-C
codeforces
29-C
Mail Stamps
https://codeforces.com/problemset/problem/29/C
[ "data structures", "dfs and similar", "graphs", "implementation" ]
null
null
stdin_stdout
1,700
{ "solved_count": 6415 }
2026-04-13T03:38:27.662191+00:00
codeforces:29-B
codeforces
29-B
Traffic Lights
https://codeforces.com/problemset/problem/29/B
[ "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 3333 }
2026-04-13T03:38:27.662191+00:00
codeforces:29-A
codeforces
29-A
Spit Problem
https://codeforces.com/problemset/problem/29/A
[ "brute force" ]
null
null
stdin_stdout
1,000
{ "solved_count": 8215 }
2026-04-13T03:38:27.662191+00:00
codeforces:28-E
codeforces
28-E
DravDe saves the world
https://codeforces.com/problemset/problem/28/E
[ "geometry", "math" ]
null
null
stdin_stdout
2,800
{ "solved_count": 107 }
2026-04-13T03:38:27.662191+00:00
codeforces:28-D
codeforces
28-D
Don't fear, DravDe is kind
https://codeforces.com/problemset/problem/28/D
[ "binary search", "data structures", "dp", "hashing" ]
null
null
stdin_stdout
2,400
{ "solved_count": 674 }
2026-04-13T03:38:27.662191+00:00
codeforces:28-C
codeforces
28-C
Bath Queue
https://codeforces.com/problemset/problem/28/C
[ "combinatorics", "dp", "probabilities" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1268 }
2026-04-13T03:38:27.662191+00:00
codeforces:28-B
codeforces
28-B
pSort
https://codeforces.com/problemset/problem/28/B
[ "dfs and similar", "dsu", "graphs" ]
null
null
stdin_stdout
1,600
{ "solved_count": 5492 }
2026-04-13T03:38:27.662191+00:00
codeforces:28-A
codeforces
28-A
Bender Problem
https://codeforces.com/problemset/problem/28/A
[ "implementation" ]
null
null
stdin_stdout
1,600
{ "solved_count": 920 }
2026-04-13T03:38:27.662191+00:00
codeforces:27-E
codeforces
27-E
Number With The Given Amount Of Divisors
https://codeforces.com/problemset/problem/27/E
[ "brute force", "dp", "number theory" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4891 }
2026-04-13T03:38:27.662191+00:00
codeforces:27-D
codeforces
27-D
Ring Road 2
https://codeforces.com/problemset/problem/27/D
[ "2-sat", "dfs and similar", "dsu", "graphs" ]
null
null
stdin_stdout
2,200
{ "solved_count": 3074 }
2026-04-13T03:38:27.662191+00:00
codeforces:27-C
codeforces
27-C
Unordered Subsequence
https://codeforces.com/problemset/problem/27/C
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
1,900
{ "solved_count": 3042 }
2026-04-13T03:38:27.662191+00:00
codeforces:27-B
codeforces
27-B
Tournament
https://codeforces.com/problemset/problem/27/B
[ "bitmasks", "brute force", "dfs and similar", "greedy" ]
null
null
stdin_stdout
1,300
{ "solved_count": 5863 }
2026-04-13T03:38:27.662191+00:00
codeforces:27-A
codeforces
27-A
Next Test
https://codeforces.com/problemset/problem/27/A
[ "implementation", "sortings" ]
null
null
stdin_stdout
1,200
{ "solved_count": 22930 }
2026-04-13T03:38:27.662191+00:00
codeforces:26-E
codeforces
26-E
Multithreading
https://codeforces.com/problemset/problem/26/E
[ "constructive algorithms" ]
null
null
stdin_stdout
2,400
{ "solved_count": 411 }
2026-04-13T03:38:27.662191+00:00
codeforces:26-D
codeforces
26-D
Tickets
https://codeforces.com/problemset/problem/26/D
[ "combinatorics", "math", "probabilities" ]
null
null
stdin_stdout
2,400
{ "solved_count": 925 }
2026-04-13T03:38:27.662191+00:00
codeforces:26-C
codeforces
26-C
Parquet
https://codeforces.com/problemset/problem/26/C
[ "combinatorics", "constructive algorithms", "greedy", "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1007 }
2026-04-13T03:38:27.662191+00:00
codeforces:26-B
codeforces
26-B
Regular Bracket Sequence
https://codeforces.com/problemset/problem/26/B
[ "greedy" ]
null
null
stdin_stdout
1,400
{ "solved_count": 25399 }
2026-04-13T03:38:27.662191+00:00
codeforces:26-A
codeforces
26-A
Almost Prime
https://codeforces.com/problemset/problem/26/A
[ "number theory" ]
null
null
stdin_stdout
900
{ "solved_count": 42202 }
2026-04-13T03:38:27.662191+00:00
codeforces:25-E
codeforces
25-E
Test
https://codeforces.com/problemset/problem/25/E
[ "hashing", "strings" ]
null
null
stdin_stdout
2,200
{ "solved_count": 3137 }
2026-04-13T03:38:27.662191+00:00
codeforces:25-D
codeforces
25-D
Roads not only in Berland
https://codeforces.com/problemset/problem/25/D
[ "dsu", "graphs", "trees" ]
null
null
stdin_stdout
1,900
{ "solved_count": 15404 }
2026-04-13T03:38:27.662191+00:00
codeforces:25-C
codeforces
25-C
Roads in Berland
https://codeforces.com/problemset/problem/25/C
[ "graphs", "shortest paths" ]
null
null
stdin_stdout
1,900
{ "solved_count": 7896 }
2026-04-13T03:38:27.662191+00:00
codeforces:25-B
codeforces
25-B
Phone numbers
https://codeforces.com/problemset/problem/25/B
[ "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 11211 }
2026-04-13T03:38:27.662191+00:00
codeforces:25-A
codeforces
25-A
IQ test
https://codeforces.com/problemset/problem/25/A
[ "brute force" ]
null
null
stdin_stdout
1,300
{ "solved_count": 103303 }
2026-04-13T03:38:27.662191+00:00
codeforces:24-E
codeforces
24-E
Berland collider
https://codeforces.com/problemset/problem/24/E
[ "binary search" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1017 }
2026-04-13T03:38:27.662191+00:00
codeforces:24-D
codeforces
24-D
Broken robot
https://codeforces.com/problemset/problem/24/D
[ "dp", "math", "probabilities" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2624 }
2026-04-13T03:38:27.662191+00:00
codeforces:24-C
codeforces
24-C
Sequence of points
https://codeforces.com/problemset/problem/24/C
[ "geometry", "implementation", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 1436 }
2026-04-13T03:38:27.662191+00:00
codeforces:24-B
codeforces
24-B
F1 Champions
https://codeforces.com/problemset/problem/24/B
[ "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 2014 }
2026-04-13T03:38:27.662191+00:00
codeforces:24-A
codeforces
24-A
Ring road
https://codeforces.com/problemset/problem/24/A
[ "graphs" ]
null
null
stdin_stdout
1,400
{ "solved_count": 6797 }
2026-04-13T03:38:27.662191+00:00
codeforces:23-E
codeforces
23-E
Tree
https://codeforces.com/problemset/problem/23/E
[ "dp" ]
null
null
stdin_stdout
2,500
{ "solved_count": 719 }
2026-04-13T03:38:27.662191+00:00
codeforces:23-D
codeforces
23-D
Tetragon
https://codeforces.com/problemset/problem/23/D
[ "geometry", "math" ]
null
null
stdin_stdout
2,600
{ "solved_count": 378 }
2026-04-13T03:38:27.662191+00:00
codeforces:23-C
codeforces
23-C
Oranges and Apples
https://codeforces.com/problemset/problem/23/C
[ "constructive algorithms", "sortings" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1684 }
2026-04-13T03:38:27.662191+00:00
codeforces:23-B
codeforces
23-B
Party
https://codeforces.com/problemset/problem/23/B
[ "constructive algorithms", "graphs", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 3839 }
2026-04-13T03:38:27.662191+00:00
codeforces:23-A
codeforces
23-A
You're Given a String...
https://codeforces.com/problemset/problem/23/A
[ "brute force", "greedy" ]
null
null
stdin_stdout
1,200
{ "solved_count": 6279 }
2026-04-13T03:38:27.662191+00:00
codeforces:22-E
codeforces
22-E
Scheme
https://codeforces.com/problemset/problem/22/E
[ "dfs and similar", "graphs", "trees" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2049 }
2026-04-13T03:38:27.662191+00:00
codeforces:22-D
codeforces
22-D
Segments
https://codeforces.com/problemset/problem/22/D
[ "greedy", "sortings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 3398 }
2026-04-13T03:38:27.662191+00:00
codeforces:22-C
codeforces
22-C
System Administrator
https://codeforces.com/problemset/problem/22/C
[ "graphs" ]
null
null
stdin_stdout
1,700
{ "solved_count": 3779 }
2026-04-13T03:38:27.662191+00:00
codeforces:22-B
codeforces
22-B
Bargaining Table
https://codeforces.com/problemset/problem/22/B
[ "brute force", "dp" ]
null
null
stdin_stdout
1,500
{ "solved_count": 4763 }
2026-04-13T03:38:27.662191+00:00
codeforces:22-A
codeforces
22-A
Second Order Statistics
https://codeforces.com/problemset/problem/22/A
[ "brute force" ]
null
null
stdin_stdout
800
{ "solved_count": 26891 }
2026-04-13T03:38:27.662191+00:00
codeforces:21-D
codeforces
21-D
Traveling Graph
https://codeforces.com/problemset/problem/21/D
[ "bitmasks", "graph matchings", "graphs" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1276 }
2026-04-13T03:38:27.662191+00:00
codeforces:21-C
codeforces
21-C
Stripe 2
https://codeforces.com/problemset/problem/21/C
[ "binary search", "dp", "sortings" ]
null
null
stdin_stdout
2,000
{ "solved_count": 2525 }
2026-04-13T03:38:27.662191+00:00
codeforces:21-B
codeforces
21-B
Intersection
https://codeforces.com/problemset/problem/21/B
[ "implementation", "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1577 }
2026-04-13T03:38:27.662191+00:00
codeforces:21-A
codeforces
21-A
Jabber ID
https://codeforces.com/problemset/problem/21/A
[ "implementation", "strings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 2262 }
2026-04-13T03:38:27.662191+00:00
codeforces:20-C
codeforces
20-C
Dijkstra?
https://codeforces.com/problemset/problem/20/C
[ "graphs", "shortest paths" ]
null
null
stdin_stdout
1,900
{ "solved_count": 46233 }
2026-04-13T03:38:27.662191+00:00
codeforces:20-B
codeforces
20-B
Equation
https://codeforces.com/problemset/problem/20/B
[ "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4767 }
2026-04-13T03:38:27.662191+00:00
codeforces:20-A
codeforces
20-A
BerOS file system
https://codeforces.com/problemset/problem/20/A
[ "implementation" ]
null
null
stdin_stdout
1,700
{ "solved_count": 7088 }
2026-04-13T03:38:27.662191+00:00
codeforces:19-E
codeforces
19-E
Fairy
https://codeforces.com/problemset/problem/19/E
[ "dfs and similar", "divide and conquer", "dsu" ]
null
null
stdin_stdout
2,900
{ "solved_count": 2492 }
2026-04-13T03:38:27.662191+00:00
codeforces:19-D
codeforces
19-D
Points
https://codeforces.com/problemset/problem/19/D
[ "data structures" ]
null
null
stdin_stdout
2,800
{ "solved_count": 3143 }
2026-04-13T03:38:27.662191+00:00
codeforces:19-C
codeforces
19-C
Deletion of Repeats
https://codeforces.com/problemset/problem/19/C
[ "greedy", "hashing", "string suffix structures" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1315 }
2026-04-13T03:38:27.662191+00:00
codeforces:19-B
codeforces
19-B
Checkout Assistant
https://codeforces.com/problemset/problem/19/B
[ "dp" ]
null
null
stdin_stdout
1,900
{ "solved_count": 5731 }
2026-04-13T03:38:27.662191+00:00
codeforces:19-A
codeforces
19-A
World Football Cup
https://codeforces.com/problemset/problem/19/A
[ "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 3125 }
2026-04-13T03:38:27.662191+00:00
codeforces:18-E
codeforces
18-E
Flag 2
https://codeforces.com/problemset/problem/18/E
[ "dp" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1257 }
2026-04-13T03:38:27.662191+00:00
codeforces:18-D
codeforces
18-D
Seller Bob
https://codeforces.com/problemset/problem/18/D
[ "brute force", "dp", "greedy" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1285 }
2026-04-13T03:38:27.662191+00:00
codeforces:18-C
codeforces
18-C
Stripe
https://codeforces.com/problemset/problem/18/C
[ "data structures", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 15356 }
2026-04-13T03:38:27.662191+00:00
codeforces:18-B
codeforces
18-B
Platforms
https://codeforces.com/problemset/problem/18/B
[ "brute force", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 2417 }
2026-04-13T03:38:27.662191+00:00
codeforces:18-A
codeforces
18-A
Triangle
https://codeforces.com/problemset/problem/18/A
[ "brute force", "geometry" ]
null
null
stdin_stdout
1,500
{ "solved_count": 6929 }
2026-04-13T03:38:27.662191+00:00
codeforces:17-E
codeforces
17-E
Palisection
https://codeforces.com/problemset/problem/17/E
[ "strings" ]
null
null
stdin_stdout
2,900
{ "solved_count": 1974 }
2026-04-13T03:38:27.662191+00:00
codeforces:17-D
codeforces
17-D
Notepad
https://codeforces.com/problemset/problem/17/D
[ "number theory" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1321 }
2026-04-13T03:38:27.662191+00:00
codeforces:17-C
codeforces
17-C
Balance
https://codeforces.com/problemset/problem/17/C
[ "dp" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1020 }
2026-04-13T03:38:27.662191+00:00
codeforces:17-B
codeforces
17-B
Hierarchy
https://codeforces.com/problemset/problem/17/B
[ "dfs and similar", "dsu", "greedy", "shortest paths" ]
null
null
stdin_stdout
1,500
{ "solved_count": 5969 }
2026-04-13T03:38:27.662191+00:00
codeforces:17-A
codeforces
17-A
Noldbach problem
https://codeforces.com/problemset/problem/17/A
[ "brute force", "math", "number theory" ]
null
null
stdin_stdout
1,000
{ "solved_count": 21230 }
2026-04-13T03:38:27.662191+00:00
codeforces:16-E
codeforces
16-E
Fish
https://codeforces.com/problemset/problem/16/E
[ "bitmasks", "dp", "probabilities" ]
null
null
stdin_stdout
1,900
{ "solved_count": 6493 }
2026-04-13T03:38:27.662191+00:00
codeforces:16-D
codeforces
16-D
Logging
https://codeforces.com/problemset/problem/16/D
[ "implementation", "strings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1860 }
2026-04-13T03:38:27.662191+00:00
codeforces:16-C
codeforces
16-C
Monitor
https://codeforces.com/problemset/problem/16/C
[ "binary search", "number theory" ]
null
null
stdin_stdout
1,800
{ "solved_count": 5403 }
2026-04-13T03:38:27.662191+00:00
codeforces:16-B
codeforces
16-B
Burglar and Matches
https://codeforces.com/problemset/problem/16/B
[ "greedy", "implementation", "sortings" ]
null
null
stdin_stdout
900
{ "solved_count": 20679 }
2026-04-13T03:38:27.662191+00:00
codeforces:16-A
codeforces
16-A
Flag
https://codeforces.com/problemset/problem/16/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 17138 }
2026-04-13T03:38:27.662191+00:00
codeforces:15-E
codeforces
15-E
Triangles
https://codeforces.com/problemset/problem/15/E
[ "combinatorics", "dp" ]
null
null
stdin_stdout
2,600
{ "solved_count": 673 }
2026-04-13T03:38:27.662191+00:00
codeforces:15-D
codeforces
15-D
Map
https://codeforces.com/problemset/problem/15/D
[ "data structures", "implementation", "sortings" ]
null
null
stdin_stdout
2,500
{ "solved_count": 908 }
2026-04-13T03:38:27.662191+00:00
codeforces:15-C
codeforces
15-C
Industrial Nim
https://codeforces.com/problemset/problem/15/C
[ "games" ]
null
null
stdin_stdout
2,000
{ "solved_count": 2820 }
2026-04-13T03:38:27.662191+00:00
codeforces:15-B
codeforces
15-B
Laser
https://codeforces.com/problemset/problem/15/B
[ "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 1675 }
2026-04-13T03:38:27.662191+00:00
codeforces:15-A
codeforces
15-A
Cottage Village
https://codeforces.com/problemset/problem/15/A
[ "implementation", "sortings" ]
null
null
stdin_stdout
1,200
{ "solved_count": 4477 }
2026-04-13T03:38:27.662191+00:00
codeforces:14-E
codeforces
14-E
Camels
https://codeforces.com/problemset/problem/14/E
[ "dp" ]
null
null
stdin_stdout
1,900
{ "solved_count": 2051 }
2026-04-13T03:38:27.662191+00:00
codeforces:14-D
codeforces
14-D
Two Paths
https://codeforces.com/problemset/problem/14/D
[ "dfs and similar", "dp", "graphs", "shortest paths", "trees", "two pointers" ]
null
null
stdin_stdout
1,900
{ "solved_count": 5258 }
2026-04-13T03:38:27.662191+00:00
codeforces:14-C
codeforces
14-C
Four Segments
https://codeforces.com/problemset/problem/14/C
[ "brute force", "constructive algorithms", "geometry", "implementation", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 3840 }
2026-04-13T03:38:27.662191+00:00
codeforces:14-B
codeforces
14-B
Young Photographer
https://codeforces.com/problemset/problem/14/B
[ "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 8271 }
2026-04-13T03:38:27.662191+00:00
codeforces:14-A
codeforces
14-A
Letter
https://codeforces.com/problemset/problem/14/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 12323 }
2026-04-13T03:38:27.662191+00:00
codeforces:13-E
codeforces
13-E
Holes
https://codeforces.com/problemset/problem/13/E
[ "data structures", "dsu" ]
null
null
stdin_stdout
2,700
{ "solved_count": 7868 }
2026-04-13T03:38:27.662191+00:00
codeforces:13-D
codeforces
13-D
Triangles
https://codeforces.com/problemset/problem/13/D
[ "dp", "geometry" ]
null
null
stdin_stdout
2,600
{ "solved_count": 731 }
2026-04-13T03:38:27.662191+00:00
codeforces:13-C
codeforces
13-C
Sequence
https://codeforces.com/problemset/problem/13/C
[ "dp", "sortings" ]
null
null
stdin_stdout
2,200
{ "solved_count": 5444 }
2026-04-13T03:38:27.662191+00:00
codeforces:13-B
codeforces
13-B
Letter A
https://codeforces.com/problemset/problem/13/B
[ "geometry", "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1119 }
2026-04-13T03:38:27.662191+00:00
codeforces:13-A
codeforces
13-A
Numbers
https://codeforces.com/problemset/problem/13/A
[ "implementation", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 9389 }
2026-04-13T03:38:27.662191+00:00
codeforces:12-E
codeforces
12-E
Start of the session
https://codeforces.com/problemset/problem/12/E
[ "constructive algorithms" ]
null
null
stdin_stdout
2,100
{ "solved_count": 1446 }
2026-04-13T03:38:27.662191+00:00
codeforces:12-D
codeforces
12-D
Ball
https://codeforces.com/problemset/problem/12/D
[ "data structures", "sortings" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2867 }
2026-04-13T03:38:27.662191+00:00
codeforces:12-C
codeforces
12-C
Fruits
https://codeforces.com/problemset/problem/12/C
[ "greedy", "implementation", "sortings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 7323 }
2026-04-13T03:38:27.662191+00:00
codeforces:12-B
codeforces
12-B
Correct Solution?
https://codeforces.com/problemset/problem/12/B
[ "implementation", "sortings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 9633 }
2026-04-13T03:38:27.662191+00:00
codeforces:12-A
codeforces
12-A
Super Agent
https://codeforces.com/problemset/problem/12/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 15346 }
2026-04-13T03:38:27.662191+00:00
codeforces:11-E
codeforces
11-E
Forward, march!
https://codeforces.com/problemset/problem/11/E
[ "binary search", "dp", "greedy" ]
null
null
stdin_stdout
2,800
{ "solved_count": 439 }
2026-04-13T03:38:27.662191+00:00
codeforces:11-D
codeforces
11-D
A Simple Task
https://codeforces.com/problemset/problem/11/D
[ "bitmasks", "dp", "graphs" ]
null
null
stdin_stdout
2,200
{ "solved_count": 6330 }
2026-04-13T03:38:27.662191+00:00
codeforces:11-C
codeforces
11-C
How Many Squares?
https://codeforces.com/problemset/problem/11/C
[ "implementation" ]
null
null
stdin_stdout
2,200
{ "solved_count": 687 }
2026-04-13T03:38:27.662191+00:00
codeforces:11-B
codeforces
11-B
Jumping Jack
https://codeforces.com/problemset/problem/11/B
[ "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 5678 }
2026-04-13T03:38:27.662191+00:00
codeforces:11-A
codeforces
11-A
Increasing Sequence
https://codeforces.com/problemset/problem/11/A
[ "constructive algorithms", "implementation", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 15413 }
2026-04-13T03:38:27.662191+00:00
codeforces:10-E
codeforces
10-E
Greedy Change
https://codeforces.com/problemset/problem/10/E
[ "constructive algorithms" ]
null
null
stdin_stdout
2,600
{ "solved_count": 912 }
2026-04-13T03:38:27.662191+00:00
codeforces:10-D
codeforces
10-D
LCIS
https://codeforces.com/problemset/problem/10/D
[ "dp" ]
null
null
stdin_stdout
2,800
{ "solved_count": 5588 }
2026-04-13T03:38:27.662191+00:00
codeforces:10-C
codeforces
10-C
Digital Root
https://codeforces.com/problemset/problem/10/C
[ "number theory" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1693 }
2026-04-13T03:38:27.662191+00:00
codeforces:10-B
codeforces
10-B
Cinema Cashier
https://codeforces.com/problemset/problem/10/B
[ "dp", "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 2043 }
2026-04-13T03:38:27.662191+00:00