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:175-D
codeforces
175-D
Plane of Tanks: Duel
https://codeforces.com/problemset/problem/175/D
[ "brute force", "dp", "math", "probabilities" ]
null
null
stdin_stdout
2,400
{ "solved_count": 321 }
2026-06-01T05:00:40.145500+00:00
codeforces:175-C
codeforces
175-C
Geometry Horse
https://codeforces.com/problemset/problem/175/C
[ "greedy", "implementation", "sortings", "two pointers" ]
null
null
stdin_stdout
1,600
{ "solved_count": 1526 }
2026-06-01T05:00:40.145500+00:00
codeforces:175-B
codeforces
175-B
Plane of Tanks: Pro
https://codeforces.com/problemset/problem/175/B
[ "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 1579 }
2026-06-01T05:00:40.145500+00:00
codeforces:175-A
codeforces
175-A
Robot Bicorn Attack
https://codeforces.com/problemset/problem/175/A
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 2557 }
2026-06-01T05:00:40.145500+00:00
codeforces:174-C
codeforces
174-C
Range Increments
https://codeforces.com/problemset/problem/174/C
[ "data structures", "greedy" ]
null
null
stdin_stdout
1,800
{ "solved_count": 1259 }
2026-06-01T05:00:40.145500+00:00
codeforces:174-B
codeforces
174-B
File List
https://codeforces.com/problemset/problem/174/B
[ "dp", "greedy", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 2525 }
2026-06-01T05:00:40.145500+00:00
codeforces:174-A
codeforces
174-A
Problem About Equation
https://codeforces.com/problemset/problem/174/A
[ "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 3335 }
2026-06-01T05:00:40.145500+00:00
codeforces:173-E
codeforces
173-E
Camping Groups
https://codeforces.com/problemset/problem/173/E
[ "data structures", "sortings" ]
null
null
stdin_stdout
2,600
{ "solved_count": 648 }
2026-06-01T05:00:40.145500+00:00
codeforces:173-D
codeforces
173-D
Deputies
https://codeforces.com/problemset/problem/173/D
[ "constructive algorithms", "graphs", "greedy", "implementation" ]
null
null
stdin_stdout
2,500
{ "solved_count": 290 }
2026-06-01T05:00:40.145500+00:00
codeforces:173-C
codeforces
173-C
Spiral Maximum
https://codeforces.com/problemset/problem/173/C
[ "brute force", "dp" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1117 }
2026-06-01T05:00:40.145500+00:00
codeforces:173-B
codeforces
173-B
Chamber of Secrets
https://codeforces.com/problemset/problem/173/B
[ "dfs and similar", "shortest paths" ]
null
null
stdin_stdout
1,800
{ "solved_count": 4042 }
2026-06-01T05:00:40.145500+00:00
codeforces:173-A
codeforces
173-A
Rock-Paper-Scissors
https://codeforces.com/problemset/problem/173/A
[ "implementation", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 2531 }
2026-06-01T05:00:40.145500+00:00
codeforces:172-E
codeforces
172-E
BHTML+BCSS
https://codeforces.com/problemset/problem/172/E
[ "*special", "dfs and similar", "expression parsing" ]
null
null
stdin_stdout
2,200
{ "solved_count": 283 }
2026-06-01T05:00:40.145500+00:00
codeforces:172-D
codeforces
172-D
Calendar Reform
https://codeforces.com/problemset/problem/172/D
[ "*special", "number theory" ]
null
null
stdin_stdout
1,500
{ "solved_count": 1521 }
2026-06-01T05:00:40.145500+00:00
codeforces:172-C
codeforces
172-C
Bus
https://codeforces.com/problemset/problem/172/C
[ "*special", "implementation", "sortings" ]
null
null
stdin_stdout
1,500
{ "solved_count": 1259 }
2026-06-01T05:00:40.145500+00:00
codeforces:172-B
codeforces
172-B
Pseudorandom Sequence Period
https://codeforces.com/problemset/problem/172/B
[ "*special", "implementation", "number theory" ]
null
null
stdin_stdout
1,200
{ "solved_count": 3164 }
2026-06-01T05:00:40.145500+00:00
codeforces:172-A
codeforces
172-A
Phone Code
https://codeforces.com/problemset/problem/172/A
[ "*special", "brute force", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 7559 }
2026-06-01T05:00:40.145500+00:00
codeforces:171-H
codeforces
171-H
A polyline
https://codeforces.com/problemset/problem/171/H
[ "*special", "implementation" ]
null
null
stdin_stdout
1,700
{ "solved_count": 338 }
2026-06-01T05:00:40.145500+00:00
codeforces:171-G
codeforces
171-G
Mysterious numbers - 2
https://codeforces.com/problemset/problem/171/G
[ "*special" ]
null
null
stdin_stdout
1,600
{ "solved_count": 1067 }
2026-06-01T05:00:40.145500+00:00
codeforces:171-F
codeforces
171-F
ucyhf
https://codeforces.com/problemset/problem/171/F
[ "*special", "brute force", "implementation", "number theory" ]
null
null
stdin_stdout
1,600
{ "solved_count": 1486 }
2026-06-01T05:00:40.145500+00:00
codeforces:171-E
codeforces
171-E
MYSTERIOUS LANGUAGE
https://codeforces.com/problemset/problem/171/E
[ "*special" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1605 }
2026-06-01T05:00:40.145500+00:00
codeforces:171-D
codeforces
171-D
Broken checker
https://codeforces.com/problemset/problem/171/D
[ "*special", "brute force" ]
null
null
stdin_stdout
1,300
{ "solved_count": 2817 }
2026-06-01T05:00:40.145500+00:00
codeforces:171-C
codeforces
171-C
A Piece of Cake
https://codeforces.com/problemset/problem/171/C
[ "*special", "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1227 }
2026-06-01T05:00:40.145500+00:00
codeforces:171-B
codeforces
171-B
Star
https://codeforces.com/problemset/problem/171/B
[ "*special", "combinatorics" ]
null
null
stdin_stdout
1,300
{ "solved_count": 4775 }
2026-06-01T05:00:40.145500+00:00
codeforces:171-A
codeforces
171-A
Mysterious numbers - 1
https://codeforces.com/problemset/problem/171/A
[ "*special", "constructive algorithms" ]
null
null
stdin_stdout
1,200
{ "solved_count": 5095 }
2026-06-01T05:00:40.145500+00:00
codeforces:169-B
codeforces
169-B
Replacing Digits
https://codeforces.com/problemset/problem/169/B
[ "greedy" ]
null
null
stdin_stdout
1,100
{ "solved_count": 3736 }
2026-06-01T05:00:40.145500+00:00
codeforces:169-A
codeforces
169-A
Chores
https://codeforces.com/problemset/problem/169/A
[ "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 8210 }
2026-06-01T05:00:40.145500+00:00
codeforces:168-B
codeforces
168-B
Wizards and Minimal Spell
https://codeforces.com/problemset/problem/168/B
[ "implementation", "strings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 1310 }
2026-06-01T05:00:40.145500+00:00
codeforces:168-A
codeforces
168-A
Wizards and Demonstration
https://codeforces.com/problemset/problem/168/A
[ "implementation", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 11537 }
2026-06-01T05:00:40.145500+00:00
codeforces:167-E
codeforces
167-E
Wizards and Bets
https://codeforces.com/problemset/problem/167/E
[ "dfs and similar", "graphs", "math", "matrices" ]
null
null
stdin_stdout
2,900
{ "solved_count": 675 }
2026-06-01T05:00:40.145500+00:00
codeforces:167-D
codeforces
167-D
Wizards and Roads
https://codeforces.com/problemset/problem/167/D
[ "data structures", "divide and conquer", "graph matchings", "graphs", "greedy" ]
null
null
stdin_stdout
3,000
{ "solved_count": 217 }
2026-06-01T05:00:40.145500+00:00
codeforces:167-C
codeforces
167-C
Wizards and Numbers
https://codeforces.com/problemset/problem/167/C
[ "games", "math" ]
null
null
stdin_stdout
2,300
{ "solved_count": 742 }
2026-06-01T05:00:40.145500+00:00
codeforces:167-B
codeforces
167-B
Wizards and Huge Prize
https://codeforces.com/problemset/problem/167/B
[ "dp", "math", "probabilities" ]
null
null
stdin_stdout
1,800
{ "solved_count": 2460 }
2026-06-01T05:00:40.145500+00:00
codeforces:167-A
codeforces
167-A
Wizards and Trolleybuses
https://codeforces.com/problemset/problem/167/A
[ "implementation", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 2189 }
2026-06-01T05:00:40.145500+00:00
codeforces:166-E
codeforces
166-E
Tetrahedron
https://codeforces.com/problemset/problem/166/E
[ "dp", "math", "matrices" ]
null
null
stdin_stdout
1,500
{ "solved_count": 25833 }
2026-06-01T05:00:40.145500+00:00
codeforces:166-D
codeforces
166-D
Shoe Store
https://codeforces.com/problemset/problem/166/D
[ "dp", "graph matchings", "greedy", "sortings", "two pointers" ]
null
null
stdin_stdout
2,500
{ "solved_count": 392 }
2026-06-01T05:00:40.145500+00:00
codeforces:166-C
codeforces
166-C
Median
https://codeforces.com/problemset/problem/166/C
[ "greedy", "math", "sortings" ]
null
null
stdin_stdout
1,500
{ "solved_count": 7446 }
2026-06-01T05:00:40.145500+00:00
codeforces:166-B
codeforces
166-B
Polygons
https://codeforces.com/problemset/problem/166/B
[ "geometry", "sortings" ]
null
null
stdin_stdout
2,100
{ "solved_count": 3061 }
2026-06-01T05:00:40.145500+00:00
codeforces:166-A
codeforces
166-A
Rank List
https://codeforces.com/problemset/problem/166/A
[ "binary search", "implementation", "sortings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 21082 }
2026-06-01T05:00:40.145500+00:00
codeforces:165-E
codeforces
165-E
Compatible Numbers
https://codeforces.com/problemset/problem/165/E
[ "bitmasks", "brute force", "dfs and similar", "dp" ]
null
null
stdin_stdout
2,200
{ "solved_count": 9481 }
2026-06-01T05:00:40.145500+00:00
codeforces:165-D
codeforces
165-D
Beard Graph
https://codeforces.com/problemset/problem/165/D
[ "data structures", "dsu", "trees" ]
null
null
stdin_stdout
2,100
{ "solved_count": 1937 }
2026-06-01T05:00:40.145500+00:00
codeforces:165-C
codeforces
165-C
Another Problem on Strings
https://codeforces.com/problemset/problem/165/C
[ "binary search", "brute force", "dp", "math", "strings", "two pointers" ]
null
null
stdin_stdout
1,600
{ "solved_count": 13891 }
2026-06-01T05:00:40.145500+00:00
codeforces:165-B
codeforces
165-B
Burning Midnight Oil
https://codeforces.com/problemset/problem/165/B
[ "binary search", "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 23047 }
2026-06-01T05:00:40.145500+00:00
codeforces:165-A
codeforces
165-A
Supercentral Point
https://codeforces.com/problemset/problem/165/A
[ "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 26368 }
2026-06-01T05:00:40.145500+00:00
codeforces:164-E
codeforces
164-E
Polycarpus and Tasks
https://codeforces.com/problemset/problem/164/E
[]
null
null
stdin_stdout
3,100
{ "solved_count": 74 }
2026-06-01T05:00:40.145500+00:00
codeforces:164-D
codeforces
164-D
Minimum Diameter
https://codeforces.com/problemset/problem/164/D
[ "binary search", "brute force" ]
null
null
stdin_stdout
3,100
{ "solved_count": 276 }
2026-06-01T05:00:40.145500+00:00
codeforces:164-C
codeforces
164-C
Machine Programming
https://codeforces.com/problemset/problem/164/C
[ "flows", "graphs" ]
null
null
stdin_stdout
2,400
{ "solved_count": 984 }
2026-06-01T05:00:40.145500+00:00
codeforces:164-B
codeforces
164-B
Ancient Berland Hieroglyphs
https://codeforces.com/problemset/problem/164/B
[ "two pointers" ]
null
null
stdin_stdout
2,000
{ "solved_count": 529 }
2026-06-01T05:00:40.145500+00:00
codeforces:164-A
codeforces
164-A
Variable, or There and Back Again
https://codeforces.com/problemset/problem/164/A
[ "dfs and similar", "graphs" ]
null
null
stdin_stdout
1,700
{ "solved_count": 1201 }
2026-06-01T05:00:40.145500+00:00
codeforces:163-E
codeforces
163-E
e-Government
https://codeforces.com/problemset/problem/163/E
[ "data structures", "dfs and similar", "dp", "strings", "trees" ]
null
null
stdin_stdout
2,800
{ "solved_count": 2202 }
2026-06-01T05:00:40.145500+00:00
codeforces:163-D
codeforces
163-D
Large Refrigerator
https://codeforces.com/problemset/problem/163/D
[ "brute force" ]
null
null
stdin_stdout
2,900
{ "solved_count": 571 }
2026-06-01T05:00:40.145500+00:00
codeforces:163-C
codeforces
163-C
Conveyor
https://codeforces.com/problemset/problem/163/C
[ "sortings", "two pointers" ]
null
null
stdin_stdout
2,100
{ "solved_count": 615 }
2026-06-01T05:00:40.145500+00:00
codeforces:163-B
codeforces
163-B
Lemmings
https://codeforces.com/problemset/problem/163/B
[ "binary search" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1181 }
2026-06-01T05:00:40.145500+00:00
codeforces:163-A
codeforces
163-A
Substring and Subsequence
https://codeforces.com/problemset/problem/163/A
[ "dp" ]
null
null
stdin_stdout
1,700
{ "solved_count": 3002 }
2026-06-01T05:00:40.145500+00:00
codeforces:162-J
codeforces
162-J
Brackets
https://codeforces.com/problemset/problem/162/J
[ "*special" ]
null
null
stdin_stdout
1,800
{ "solved_count": 104 }
2026-06-01T05:00:40.145500+00:00
codeforces:162-I
codeforces
162-I
Truncatable primes
https://codeforces.com/problemset/problem/162/I
[ "*special" ]
null
null
stdin_stdout
2,000
{ "solved_count": 97 }
2026-06-01T05:00:40.145500+00:00
codeforces:162-H
codeforces
162-H
Alternating case
https://codeforces.com/problemset/problem/162/H
[ "*special" ]
null
null
stdin_stdout
1,800
{ "solved_count": 227 }
2026-06-01T05:00:40.145500+00:00
codeforces:162-G
codeforces
162-G
Non-decimal sum
https://codeforces.com/problemset/problem/162/G
[ "*special" ]
null
null
stdin_stdout
2,000
{ "solved_count": 89 }
2026-06-01T05:00:40.145500+00:00
codeforces:162-F
codeforces
162-F
Factorial zeros
https://codeforces.com/problemset/problem/162/F
[ "*special" ]
null
null
stdin_stdout
1,800
{ "solved_count": 230 }
2026-06-01T05:00:40.145500+00:00
codeforces:162-E
codeforces
162-E
HQ9+
https://codeforces.com/problemset/problem/162/E
[ "*special" ]
null
null
stdin_stdout
1,800
{ "solved_count": 187 }
2026-06-01T05:00:40.145500+00:00
codeforces:162-D
codeforces
162-D
Remove digits
https://codeforces.com/problemset/problem/162/D
[ "*special" ]
null
null
stdin_stdout
1,900
{ "solved_count": 233 }
2026-06-01T05:00:40.145500+00:00
codeforces:162-C
codeforces
162-C
Prime factorization
https://codeforces.com/problemset/problem/162/C
[ "*special" ]
null
null
stdin_stdout
1,800
{ "solved_count": 1389 }
2026-06-01T05:00:40.145500+00:00
codeforces:162-B
codeforces
162-B
Binary notation
https://codeforces.com/problemset/problem/162/B
[ "*special" ]
null
null
stdin_stdout
1,800
{ "solved_count": 328 }
2026-06-01T05:00:40.145500+00:00
codeforces:162-A
codeforces
162-A
Pentagonal numbers
https://codeforces.com/problemset/problem/162/A
[ "*special", "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 844 }
2026-06-01T05:00:40.145500+00:00
codeforces:161-E
codeforces
161-E
Polycarpus the Safecracker
https://codeforces.com/problemset/problem/161/E
[ "brute force", "dp" ]
null
null
stdin_stdout
2,500
{ "solved_count": 508 }
2026-06-01T05:00:40.145500+00:00
codeforces:161-D
codeforces
161-D
Distance in Tree
https://codeforces.com/problemset/problem/161/D
[ "dfs and similar", "dp", "trees" ]
null
null
stdin_stdout
1,800
{ "solved_count": 19404 }
2026-06-01T05:00:40.145500+00:00
codeforces:161-C
codeforces
161-C
Abracadabra
https://codeforces.com/problemset/problem/161/C
[ "divide and conquer" ]
null
null
stdin_stdout
2,400
{ "solved_count": 695 }
2026-06-01T05:00:40.145500+00:00
codeforces:161-B
codeforces
161-B
Discounts
https://codeforces.com/problemset/problem/161/B
[ "constructive algorithms", "greedy", "sortings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 2095 }
2026-06-01T05:00:40.145500+00:00
codeforces:161-A
codeforces
161-A
Dress'em in Vests!
https://codeforces.com/problemset/problem/161/A
[ "binary search", "brute force", "greedy", "two pointers" ]
null
null
stdin_stdout
1,300
{ "solved_count": 5496 }
2026-06-01T05:00:40.145500+00:00
codeforces:160-E
codeforces
160-E
Buses and People
https://codeforces.com/problemset/problem/160/E
[ "binary search", "data structures", "sortings" ]
null
null
stdin_stdout
2,400
{ "solved_count": 686 }
2026-06-01T05:00:40.145500+00:00
codeforces:160-D
codeforces
160-D
Edges in MST
https://codeforces.com/problemset/problem/160/D
[ "dfs and similar", "dsu", "graphs", "sortings" ]
null
null
stdin_stdout
2,300
{ "solved_count": 3384 }
2026-06-01T05:00:40.145500+00:00
codeforces:160-C
codeforces
160-C
Find Pair
https://codeforces.com/problemset/problem/160/C
[ "implementation", "math", "sortings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 3724 }
2026-06-01T05:00:40.145500+00:00
codeforces:160-B
codeforces
160-B
Unlucky Ticket
https://codeforces.com/problemset/problem/160/B
[ "greedy", "sortings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 15654 }
2026-06-01T05:00:40.145500+00:00
codeforces:160-A
codeforces
160-A
Twins
https://codeforces.com/problemset/problem/160/A
[ "greedy", "sortings" ]
null
null
stdin_stdout
900
{ "solved_count": 144873 }
2026-06-01T05:00:40.145500+00:00
codeforces:159-E
codeforces
159-E
Zebra Tower
https://codeforces.com/problemset/problem/159/E
[ "*special", "data structures", "greedy", "sortings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 1099 }
2026-06-01T05:00:40.145500+00:00
codeforces:159-D
codeforces
159-D
Palindrome pairs
https://codeforces.com/problemset/problem/159/D
[ "*special", "brute force", "dp", "strings" ]
null
null
stdin_stdout
1,500
{ "solved_count": 4692 }
2026-06-01T05:00:40.145500+00:00
codeforces:159-C
codeforces
159-C
String Manipulation 1.0
https://codeforces.com/problemset/problem/159/C
[ "*special", "binary search", "brute force", "data structures", "strings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 3208 }
2026-06-01T05:00:40.145500+00:00
codeforces:159-B
codeforces
159-B
Matchmaker
https://codeforces.com/problemset/problem/159/B
[ "*special", "greedy", "sortings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 4191 }
2026-06-01T05:00:40.145500+00:00
codeforces:159-A
codeforces
159-A
Friends or Not
https://codeforces.com/problemset/problem/159/A
[ "*special", "greedy", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 2663 }
2026-06-01T05:00:40.145500+00:00
codeforces:158-E
codeforces
158-E
Phone Talks
https://codeforces.com/problemset/problem/158/E
[ "*special", "dp", "sortings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1541 }
2026-06-01T05:00:40.145500+00:00
codeforces:158-D
codeforces
158-D
Ice Sculptures
https://codeforces.com/problemset/problem/158/D
[ "*special", "brute force", "number theory" ]
null
null
stdin_stdout
1,300
{ "solved_count": 6506 }
2026-06-01T05:00:40.145500+00:00
codeforces:158-C
codeforces
158-C
Cd and pwd commands
https://codeforces.com/problemset/problem/158/C
[ "*special", "data structures", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 10431 }
2026-06-01T05:00:40.145500+00:00
codeforces:158-B
codeforces
158-B
Taxi
https://codeforces.com/problemset/problem/158/B
[ "*special", "greedy", "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 104542 }
2026-06-01T05:00:40.145500+00:00
codeforces:158-A
codeforces
158-A
Next Round
https://codeforces.com/problemset/problem/158/A
[ "*special", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 323431 }
2026-06-01T05:00:40.145500+00:00
codeforces:157-B
codeforces
157-B
Trace
https://codeforces.com/problemset/problem/157/B
[ "geometry", "sortings" ]
null
null
stdin_stdout
1,000
{ "solved_count": 14216 }
2026-06-01T05:00:40.145500+00:00
codeforces:157-A
codeforces
157-A
Game Outcome
https://codeforces.com/problemset/problem/157/A
[ "brute force" ]
null
null
stdin_stdout
800
{ "solved_count": 8652 }
2026-06-01T05:00:40.145500+00:00
codeforces:156-E
codeforces
156-E
Mrs. Hudson's Pancakes
https://codeforces.com/problemset/problem/156/E
[ "brute force", "dp" ]
null
null
stdin_stdout
3,000
{ "solved_count": 177 }
2026-06-01T05:00:40.145500+00:00
codeforces:156-D
codeforces
156-D
Clues
https://codeforces.com/problemset/problem/156/D
[ "combinatorics", "graphs" ]
null
null
stdin_stdout
2,500
{ "solved_count": 2069 }
2026-06-01T05:00:40.145500+00:00
codeforces:156-C
codeforces
156-C
Cipher
https://codeforces.com/problemset/problem/156/C
[ "combinatorics", "dp" ]
null
null
stdin_stdout
2,000
{ "solved_count": 2647 }
2026-06-01T05:00:40.145500+00:00
codeforces:156-B
codeforces
156-B
Suspects
https://codeforces.com/problemset/problem/156/B
[ "constructive algorithms", "data structures", "implementation" ]
null
null
stdin_stdout
1,600
{ "solved_count": 2455 }
2026-06-01T05:00:40.145500+00:00
codeforces:156-A
codeforces
156-A
Message
https://codeforces.com/problemset/problem/156/A
[ "brute force" ]
null
null
stdin_stdout
1,700
{ "solved_count": 3273 }
2026-06-01T05:00:40.145500+00:00
codeforces:155-B
codeforces
155-B
Combination
https://codeforces.com/problemset/problem/155/B
[ "greedy", "sortings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 10968 }
2026-06-01T05:00:40.145500+00:00
codeforces:155-A
codeforces
155-A
I_love_\%username\%
https://codeforces.com/problemset/problem/155/A
[ "brute force" ]
null
null
stdin_stdout
800
{ "solved_count": 94333 }
2026-06-01T05:00:40.145500+00:00
codeforces:154-E
codeforces
154-E
Martian Colony
https://codeforces.com/problemset/problem/154/E
[ "geometry" ]
null
null
stdin_stdout
3,000
{ "solved_count": 112 }
2026-06-01T05:00:40.145500+00:00
codeforces:154-D
codeforces
154-D
Flatland Fencing
https://codeforces.com/problemset/problem/154/D
[ "games", "math" ]
null
null
stdin_stdout
2,400
{ "solved_count": 488 }
2026-06-01T05:00:40.145500+00:00
codeforces:154-C
codeforces
154-C
Double Profiles
https://codeforces.com/problemset/problem/154/C
[ "graphs", "hashing", "sortings" ]
null
null
stdin_stdout
2,300
{ "solved_count": 3331 }
2026-06-01T05:00:40.145500+00:00
codeforces:154-B
codeforces
154-B
Colliders
https://codeforces.com/problemset/problem/154/B
[ "math", "number theory" ]
null
null
stdin_stdout
1,600
{ "solved_count": 6168 }
2026-06-01T05:00:40.145500+00:00
codeforces:154-A
codeforces
154-A
Hometask
https://codeforces.com/problemset/problem/154/A
[ "greedy" ]
null
null
stdin_stdout
1,600
{ "solved_count": 4332 }
2026-06-01T05:00:40.145500+00:00
codeforces:153-E
codeforces
153-E
Euclidean Distance
https://codeforces.com/problemset/problem/153/E
[ "*special" ]
null
null
stdin_stdout
2,100
{ "solved_count": 84 }
2026-06-01T05:00:40.145500+00:00
codeforces:153-D
codeforces
153-D
Date Change
https://codeforces.com/problemset/problem/153/D
[ "*special" ]
null
null
stdin_stdout
2,000
{ "solved_count": 89 }
2026-06-01T05:00:40.145500+00:00