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codeforces:1187-F
codeforces
1187-F
Expected Square Beauty
https://codeforces.com/problemset/problem/1187/F
[ "dp", "math", "probabilities" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1123 }
2026-06-01T05:00:40.145500+00:00
codeforces:1187-E
codeforces
1187-E
Tree Painting
https://codeforces.com/problemset/problem/1187/E
[ "dfs and similar", "dp", "trees" ]
null
null
stdin_stdout
2,100
{ "solved_count": 11434 }
2026-06-01T05:00:40.145500+00:00
codeforces:1187-D
codeforces
1187-D
Subarray Sorting
https://codeforces.com/problemset/problem/1187/D
[ "data structures", "sortings" ]
null
null
stdin_stdout
2,400
{ "solved_count": 3010 }
2026-06-01T05:00:40.145500+00:00
codeforces:1187-C
codeforces
1187-C
Vasya And Array
https://codeforces.com/problemset/problem/1187/C
[ "constructive algorithms", "greedy", "implementation" ]
null
null
stdin_stdout
1,800
{ "solved_count": 6792 }
2026-06-01T05:00:40.145500+00:00
codeforces:1187-B
codeforces
1187-B
Letters Shop
https://codeforces.com/problemset/problem/1187/B
[ "binary search", "implementation", "strings" ]
null
null
stdin_stdout
1,300
{ "solved_count": 12906 }
2026-06-01T05:00:40.145500+00:00
codeforces:1187-A
codeforces
1187-A
Stickers and Toys
https://codeforces.com/problemset/problem/1187/A
[ "math" ]
null
null
stdin_stdout
900
{ "solved_count": 15564 }
2026-06-01T05:00:40.145500+00:00
codeforces:1186-F
codeforces
1186-F
Vus the Cossack and a Graph
https://codeforces.com/problemset/problem/1186/F
[ "dfs and similar", "graphs", "greedy", "implementation" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1047 }
2026-06-01T05:00:40.145500+00:00
codeforces:1186-E
codeforces
1186-E
Vus the Cossack and a Field
https://codeforces.com/problemset/problem/1186/E
[ "divide and conquer", "implementation", "math" ]
null
null
stdin_stdout
2,500
{ "solved_count": 683 }
2026-06-01T05:00:40.145500+00:00
codeforces:1186-D
codeforces
1186-D
Vus the Cossack and Numbers
https://codeforces.com/problemset/problem/1186/D
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
1,500
{ "solved_count": 9331 }
2026-06-01T05:00:40.145500+00:00
codeforces:1186-C
codeforces
1186-C
Vus the Cossack and Strings
https://codeforces.com/problemset/problem/1186/C
[ "implementation", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 6574 }
2026-06-01T05:00:40.145500+00:00
codeforces:1186-A
codeforces
1186-A
Vus the Cossack and a Contest
https://codeforces.com/problemset/problem/1186/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 42705 }
2026-06-01T05:00:40.145500+00:00
codeforces:1185-G2
codeforces
1185-G2
Playlist for Polycarp (hard version)
https://codeforces.com/problemset/problem/1185/G2
[ "combinatorics", "dp" ]
null
null
stdin_stdout
2,600
{ "solved_count": 930 }
2026-06-01T05:00:40.145500+00:00
codeforces:1185-G1
codeforces
1185-G1
Playlist for Polycarp (easy version)
https://codeforces.com/problemset/problem/1185/G1
[ "bitmasks", "combinatorics", "dp" ]
null
null
stdin_stdout
2,100
{ "solved_count": 3210 }
2026-06-01T05:00:40.145500+00:00
codeforces:1185-F
codeforces
1185-F
Two Pizzas
https://codeforces.com/problemset/problem/1185/F
[ "bitmasks", "brute force" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2244 }
2026-06-01T05:00:40.145500+00:00
codeforces:1185-E
codeforces
1185-E
Polycarp and Snakes
https://codeforces.com/problemset/problem/1185/E
[ "brute force", "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 2811 }
2026-06-01T05:00:40.145500+00:00
codeforces:1185-D
codeforces
1185-D
Extra Element
https://codeforces.com/problemset/problem/1185/D
[ "implementation", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 7064 }
2026-06-01T05:00:40.145500+00:00
codeforces:1185-C2
codeforces
1185-C2
Exam in BerSU (hard version)
https://codeforces.com/problemset/problem/1185/C2
[ "brute force", "data structures", "greedy", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 7836 }
2026-06-01T05:00:40.145500+00:00
codeforces:1185-C1
codeforces
1185-C1
Exam in BerSU (easy version)
https://codeforces.com/problemset/problem/1185/C1
[ "greedy", "sortings" ]
null
null
stdin_stdout
1,200
{ "solved_count": 11915 }
2026-06-01T05:00:40.145500+00:00
codeforces:1185-B
codeforces
1185-B
Email from Polycarp
https://codeforces.com/problemset/problem/1185/B
[ "implementation", "strings" ]
null
null
stdin_stdout
1,200
{ "solved_count": 14246 }
2026-06-01T05:00:40.145500+00:00
codeforces:1185-A
codeforces
1185-A
Ropewalkers
https://codeforces.com/problemset/problem/1185/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 15405 }
2026-06-01T05:00:40.145500+00:00
codeforces:1184-E3
codeforces
1184-E3
Daleks' Invasion (hard)
https://codeforces.com/problemset/problem/1184/E3
[ "data structures", "dsu", "graphs", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 669 }
2026-06-01T05:00:40.145500+00:00
codeforces:1184-E2
codeforces
1184-E2
Daleks' Invasion (medium)
https://codeforces.com/problemset/problem/1184/E2
[ "dfs and similar", "graphs", "shortest paths", "trees" ]
null
null
stdin_stdout
2,100
{ "solved_count": 1061 }
2026-06-01T05:00:40.145500+00:00
codeforces:1184-E1
codeforces
1184-E1
Daleks' Invasion (easy)
https://codeforces.com/problemset/problem/1184/E1
[ "graphs", "trees" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1867 }
2026-06-01T05:00:40.145500+00:00
codeforces:1184-D2
codeforces
1184-D2
Parallel Universes (Hard)
https://codeforces.com/problemset/problem/1184/D2
[ "math", "matrices" ]
null
null
stdin_stdout
3,100
{ "solved_count": 129 }
2026-06-01T05:00:40.145500+00:00
codeforces:1184-D1
codeforces
1184-D1
Parallel Universes (Easy)
https://codeforces.com/problemset/problem/1184/D1
[ "implementation" ]
null
null
stdin_stdout
1,600
{ "solved_count": 2793 }
2026-06-01T05:00:40.145500+00:00
codeforces:1184-C3
codeforces
1184-C3
Heidi and the Turing Test (Hard)
https://codeforces.com/problemset/problem/1184/C3
[]
null
null
stdin_stdout
3,200
{ "solved_count": 45 }
2026-06-01T05:00:40.145500+00:00
codeforces:1184-C2
codeforces
1184-C2
Heidi and the Turing Test (Medium)
https://codeforces.com/problemset/problem/1184/C2
[ "data structures" ]
null
null
stdin_stdout
2,200
{ "solved_count": 771 }
2026-06-01T05:00:40.145500+00:00
codeforces:1184-C1
codeforces
1184-C1
Heidi and the Turing Test (Easy)
https://codeforces.com/problemset/problem/1184/C1
[ "implementation" ]
null
null
stdin_stdout
1,600
{ "solved_count": 2947 }
2026-06-01T05:00:40.145500+00:00
codeforces:1184-B3
codeforces
1184-B3
The Doctor Meets Vader (Hard)
https://codeforces.com/problemset/problem/1184/B3
[ "flows", "shortest paths" ]
null
null
stdin_stdout
2,700
{ "solved_count": 248 }
2026-06-01T05:00:40.145500+00:00
codeforces:1184-B2
codeforces
1184-B2
The Doctor Meets Vader (Medium)
https://codeforces.com/problemset/problem/1184/B2
[ "flows", "graph matchings", "graphs", "shortest paths", "sortings" ]
null
null
stdin_stdout
2,200
{ "solved_count": 692 }
2026-06-01T05:00:40.145500+00:00
codeforces:1184-B1
codeforces
1184-B1
The Doctor Meets Vader (Easy)
https://codeforces.com/problemset/problem/1184/B1
[ "binary search", "sortings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 6230 }
2026-06-01T05:00:40.145500+00:00
codeforces:1184-A3
codeforces
1184-A3
Heidi Learns Hashing (Hard)
https://codeforces.com/problemset/problem/1184/A3
[ "fft", "math", "number theory" ]
null
null
stdin_stdout
3,100
{ "solved_count": 155 }
2026-06-01T05:00:40.145500+00:00
codeforces:1184-A2
codeforces
1184-A2
Heidi Learns Hashing (Medium)
https://codeforces.com/problemset/problem/1184/A2
[ "brute force", "number theory" ]
null
null
stdin_stdout
2,100
{ "solved_count": 1130 }
2026-06-01T05:00:40.145500+00:00
codeforces:1184-A1
codeforces
1184-A1
Heidi Learns Hashing (Easy)
https://codeforces.com/problemset/problem/1184/A1
[ "brute force", "math", "number theory" ]
null
null
stdin_stdout
1,200
{ "solved_count": 6599 }
2026-06-01T05:00:40.145500+00:00
codeforces:1183-H
codeforces
1183-H
Subsequences (hard version)
https://codeforces.com/problemset/problem/1183/H
[ "dp", "strings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 3660 }
2026-06-01T05:00:40.145500+00:00
codeforces:1183-G
codeforces
1183-G
Candy Box (hard version)
https://codeforces.com/problemset/problem/1183/G
[ "greedy", "implementation", "sortings" ]
null
null
stdin_stdout
2,000
{ "solved_count": 2675 }
2026-06-01T05:00:40.145500+00:00
codeforces:1183-F
codeforces
1183-F
Topforces Strikes Back
https://codeforces.com/problemset/problem/1183/F
[ "brute force", "math", "sortings" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2255 }
2026-06-01T05:00:40.145500+00:00
codeforces:1183-E
codeforces
1183-E
Subsequences (easy version)
https://codeforces.com/problemset/problem/1183/E
[ "dp", "graphs", "implementation", "shortest paths" ]
null
null
stdin_stdout
2,000
{ "solved_count": 5445 }
2026-06-01T05:00:40.145500+00:00
codeforces:1183-D
codeforces
1183-D
Candy Box (easy version)
https://codeforces.com/problemset/problem/1183/D
[ "greedy", "sortings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 20730 }
2026-06-01T05:00:40.145500+00:00
codeforces:1183-C
codeforces
1183-C
Computer Game
https://codeforces.com/problemset/problem/1183/C
[ "binary search", "math" ]
null
null
stdin_stdout
1,400
{ "solved_count": 15071 }
2026-06-01T05:00:40.145500+00:00
codeforces:1183-B
codeforces
1183-B
Equalize Prices
https://codeforces.com/problemset/problem/1183/B
[ "math" ]
null
null
stdin_stdout
900
{ "solved_count": 19721 }
2026-06-01T05:00:40.145500+00:00
codeforces:1183-A
codeforces
1183-A
Nearest Interesting Number
https://codeforces.com/problemset/problem/1183/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 27071 }
2026-06-01T05:00:40.145500+00:00
codeforces:1182-F
codeforces
1182-F
Maximum Sine
https://codeforces.com/problemset/problem/1182/F
[ "binary search", "data structures", "number theory" ]
null
null
stdin_stdout
2,700
{ "solved_count": 402 }
2026-06-01T05:00:40.145500+00:00
codeforces:1182-E
codeforces
1182-E
Product Oriented Recurrence
https://codeforces.com/problemset/problem/1182/E
[ "dp", "math", "matrices", "number theory" ]
null
null
stdin_stdout
2,300
{ "solved_count": 3379 }
2026-06-01T05:00:40.145500+00:00
codeforces:1182-D
codeforces
1182-D
Complete Mirror
https://codeforces.com/problemset/problem/1182/D
[ "constructive algorithms", "dfs and similar", "dp", "hashing", "implementation", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1019 }
2026-06-01T05:00:40.145500+00:00
codeforces:1182-C
codeforces
1182-C
Beautiful Lyrics
https://codeforces.com/problemset/problem/1182/C
[ "data structures", "greedy", "strings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 4598 }
2026-06-01T05:00:40.145500+00:00
codeforces:1182-B
codeforces
1182-B
Plus from Picture
https://codeforces.com/problemset/problem/1182/B
[ "dfs and similar", "implementation", "strings" ]
null
null
stdin_stdout
1,300
{ "solved_count": 12023 }
2026-06-01T05:00:40.145500+00:00
codeforces:1182-A
codeforces
1182-A
Filling Shapes
https://codeforces.com/problemset/problem/1182/A
[ "dp", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 35757 }
2026-06-01T05:00:40.145500+00:00
codeforces:1181-E2
codeforces
1181-E2
A Story of One Country (Hard)
https://codeforces.com/problemset/problem/1181/E2
[ "brute force", "greedy", "sortings" ]
null
null
stdin_stdout
3,000
{ "solved_count": 400 }
2026-06-01T05:00:40.145500+00:00
codeforces:1181-E1
codeforces
1181-E1
A Story of One Country (Easy)
https://codeforces.com/problemset/problem/1181/E1
[ "brute force", "divide and conquer", "sortings" ]
null
null
stdin_stdout
2,500
{ "solved_count": 624 }
2026-06-01T05:00:40.145500+00:00
codeforces:1181-D
codeforces
1181-D
Irrigation
https://codeforces.com/problemset/problem/1181/D
[ "binary search", "data structures", "implementation", "sortings", "trees", "two pointers" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2827 }
2026-06-01T05:00:40.145500+00:00
codeforces:1181-C
codeforces
1181-C
Flag
https://codeforces.com/problemset/problem/1181/C
[ "brute force", "combinatorics", "dp", "implementation" ]
null
null
stdin_stdout
1,900
{ "solved_count": 3406 }
2026-06-01T05:00:40.145500+00:00
codeforces:1181-B
codeforces
1181-B
Split a Number
https://codeforces.com/problemset/problem/1181/B
[ "greedy", "implementation", "strings" ]
null
null
stdin_stdout
1,500
{ "solved_count": 6621 }
2026-06-01T05:00:40.145500+00:00
codeforces:1181-A
codeforces
1181-A
Chunga-Changa
https://codeforces.com/problemset/problem/1181/A
[ "greedy", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 14839 }
2026-06-01T05:00:40.145500+00:00
codeforces:1180-B
codeforces
1180-B
Nick and Array
https://codeforces.com/problemset/problem/1180/B
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 10116 }
2026-06-01T05:00:40.145500+00:00
codeforces:1180-A
codeforces
1180-A
Alex and a Rhombus
https://codeforces.com/problemset/problem/1180/A
[ "dp", "implementation", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 27505 }
2026-06-01T05:00:40.145500+00:00
codeforces:1179-E
codeforces
1179-E
Alesya and Discrete Math
https://codeforces.com/problemset/problem/1179/E
[ "divide and conquer", "interactive" ]
null
null
stdin_stdout
3,200
{ "solved_count": 203 }
2026-06-01T05:00:40.145500+00:00
codeforces:1179-D
codeforces
1179-D
Fedor Runs for President
https://codeforces.com/problemset/problem/1179/D
[ "data structures", "dp", "trees" ]
null
null
stdin_stdout
2,700
{ "solved_count": 1037 }
2026-06-01T05:00:40.145500+00:00
codeforces:1179-C
codeforces
1179-C
Serge and Dining Room
https://codeforces.com/problemset/problem/1179/C
[ "binary search", "data structures", "graph matchings", "greedy", "implementation", "math", "trees" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2468 }
2026-06-01T05:00:40.145500+00:00
codeforces:1179-B
codeforces
1179-B
Tolik and His Uncle
https://codeforces.com/problemset/problem/1179/B
[ "constructive algorithms" ]
null
null
stdin_stdout
1,800
{ "solved_count": 4600 }
2026-06-01T05:00:40.145500+00:00
codeforces:1179-A
codeforces
1179-A
Valeriy and Deque
https://codeforces.com/problemset/problem/1179/A
[ "data structures", "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 11850 }
2026-06-01T05:00:40.145500+00:00
codeforces:1178-H
codeforces
1178-H
Stock Exchange
https://codeforces.com/problemset/problem/1178/H
[ "binary search", "flows", "graphs" ]
null
null
stdin_stdout
3,500
{ "solved_count": 299 }
2026-06-01T05:00:40.145500+00:00
codeforces:1178-G
codeforces
1178-G
The Awesomest Vertex
https://codeforces.com/problemset/problem/1178/G
[ "data structures", "dfs and similar" ]
null
null
stdin_stdout
3,000
{ "solved_count": 604 }
2026-06-01T05:00:40.145500+00:00
codeforces:1178-F2
codeforces
1178-F2
Long Colorful Strip
https://codeforces.com/problemset/problem/1178/F2
[ "dp" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1052 }
2026-06-01T05:00:40.145500+00:00
codeforces:1178-F1
codeforces
1178-F1
Short Colorful Strip
https://codeforces.com/problemset/problem/1178/F1
[ "combinatorics", "dfs and similar", "dp" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2292 }
2026-06-01T05:00:40.145500+00:00
codeforces:1178-E
codeforces
1178-E
Archaeology
https://codeforces.com/problemset/problem/1178/E
[ "brute force", "constructive algorithms", "greedy", "strings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 4510 }
2026-06-01T05:00:40.145500+00:00
codeforces:1178-D
codeforces
1178-D
Prime Graph
https://codeforces.com/problemset/problem/1178/D
[ "constructive algorithms", "greedy", "math", "number theory" ]
null
null
stdin_stdout
1,500
{ "solved_count": 7933 }
2026-06-01T05:00:40.145500+00:00
codeforces:1178-C
codeforces
1178-C
Tiles
https://codeforces.com/problemset/problem/1178/C
[ "combinatorics", "greedy", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 13270 }
2026-06-01T05:00:40.145500+00:00
codeforces:1178-B
codeforces
1178-B
WOW Factor
https://codeforces.com/problemset/problem/1178/B
[ "dp", "strings" ]
null
null
stdin_stdout
1,300
{ "solved_count": 22024 }
2026-06-01T05:00:40.145500+00:00
codeforces:1178-A
codeforces
1178-A
Prime Minister
https://codeforces.com/problemset/problem/1178/A
[ "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 11299 }
2026-06-01T05:00:40.145500+00:00
codeforces:1177-B
codeforces
1177-B
Digits Sequence (Hard Edition)
https://codeforces.com/problemset/problem/1177/B
[ "binary search", "divide and conquer", "implementation" ]
null
null
stdin_stdout
1,800
{ "solved_count": 3002 }
2026-06-01T05:00:40.145500+00:00
codeforces:1177-A
codeforces
1177-A
Digits Sequence (Easy Edition)
https://codeforces.com/problemset/problem/1177/A
[ "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 6791 }
2026-06-01T05:00:40.145500+00:00
codeforces:1176-F
codeforces
1176-F
Destroy it!
https://codeforces.com/problemset/problem/1176/F
[ "dp", "implementation", "sortings" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2326 }
2026-06-01T05:00:40.145500+00:00
codeforces:1176-E
codeforces
1176-E
Cover it!
https://codeforces.com/problemset/problem/1176/E
[ "dfs and similar", "dsu", "graphs", "shortest paths", "trees" ]
null
null
stdin_stdout
1,700
{ "solved_count": 13693 }
2026-06-01T05:00:40.145500+00:00
codeforces:1176-D
codeforces
1176-D
Recover it!
https://codeforces.com/problemset/problem/1176/D
[ "dfs and similar", "graphs", "greedy", "number theory", "sortings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 5843 }
2026-06-01T05:00:40.145500+00:00
codeforces:1176-C
codeforces
1176-C
Lose it!
https://codeforces.com/problemset/problem/1176/C
[ "dp", "greedy", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 15128 }
2026-06-01T05:00:40.145500+00:00
codeforces:1176-B
codeforces
1176-B
Merge it!
https://codeforces.com/problemset/problem/1176/B
[ "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 18371 }
2026-06-01T05:00:40.145500+00:00
codeforces:1176-A
codeforces
1176-A
Divide it!
https://codeforces.com/problemset/problem/1176/A
[ "brute force", "greedy", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 25047 }
2026-06-01T05:00:40.145500+00:00
codeforces:1175-G
codeforces
1175-G
Yet Another Partiton Problem
https://codeforces.com/problemset/problem/1175/G
[ "data structures", "divide and conquer", "dp", "geometry", "two pointers" ]
null
null
stdin_stdout
3,000
{ "solved_count": 714 }
2026-06-01T05:00:40.145500+00:00
codeforces:1175-F
codeforces
1175-F
The Number of Subpermutations
https://codeforces.com/problemset/problem/1175/F
[ "brute force", "data structures", "divide and conquer", "hashing", "math" ]
null
null
stdin_stdout
2,500
{ "solved_count": 2696 }
2026-06-01T05:00:40.145500+00:00
codeforces:1175-E
codeforces
1175-E
Minimal Segment Cover
https://codeforces.com/problemset/problem/1175/E
[ "data structures", "dfs and similar", "divide and conquer", "dp", "greedy", "implementation", "trees" ]
null
null
stdin_stdout
2,200
{ "solved_count": 4573 }
2026-06-01T05:00:40.145500+00:00
codeforces:1175-D
codeforces
1175-D
Array Splitting
https://codeforces.com/problemset/problem/1175/D
[ "greedy", "sortings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 7089 }
2026-06-01T05:00:40.145500+00:00
codeforces:1175-C
codeforces
1175-C
Electrification
https://codeforces.com/problemset/problem/1175/C
[ "binary search", "brute force", "greedy" ]
null
null
stdin_stdout
1,600
{ "solved_count": 7278 }
2026-06-01T05:00:40.145500+00:00
codeforces:1175-B
codeforces
1175-B
Catch Overflow!
https://codeforces.com/problemset/problem/1175/B
[ "data structures", "expression parsing", "implementation" ]
null
null
stdin_stdout
1,600
{ "solved_count": 12497 }
2026-06-01T05:00:40.145500+00:00
codeforces:1175-A
codeforces
1175-A
From Hero to Zero
https://codeforces.com/problemset/problem/1175/A
[ "implementation", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 19822 }
2026-06-01T05:00:40.145500+00:00
codeforces:1174-F
codeforces
1174-F
Ehab and the Big Finale
https://codeforces.com/problemset/problem/1174/F
[ "constructive algorithms", "divide and conquer", "graphs", "implementation", "interactive", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1974 }
2026-06-01T05:00:40.145500+00:00
codeforces:1174-E
codeforces
1174-E
Ehab and the Expected GCD Problem
https://codeforces.com/problemset/problem/1174/E
[ "combinatorics", "dp", "math", "number theory" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1784 }
2026-06-01T05:00:40.145500+00:00
codeforces:1174-D
codeforces
1174-D
Ehab and the Expected XOR Problem
https://codeforces.com/problemset/problem/1174/D
[ "bitmasks", "constructive algorithms" ]
null
null
stdin_stdout
1,900
{ "solved_count": 5052 }
2026-06-01T05:00:40.145500+00:00
codeforces:1174-C
codeforces
1174-C
Ehab and a Special Coloring Problem
https://codeforces.com/problemset/problem/1174/C
[ "constructive algorithms", "number theory" ]
null
null
stdin_stdout
1,300
{ "solved_count": 12807 }
2026-06-01T05:00:40.145500+00:00
codeforces:1174-B
codeforces
1174-B
Ehab Is an Odd Person
https://codeforces.com/problemset/problem/1174/B
[ "sortings" ]
null
null
stdin_stdout
1,200
{ "solved_count": 16888 }
2026-06-01T05:00:40.145500+00:00
codeforces:1174-A
codeforces
1174-A
Ehab Fails to Be Thanos
https://codeforces.com/problemset/problem/1174/A
[ "constructive algorithms", "greedy", "sortings" ]
null
null
stdin_stdout
1,000
{ "solved_count": 19256 }
2026-06-01T05:00:40.145500+00:00
codeforces:1173-B
codeforces
1173-B
Nauuo and Chess
https://codeforces.com/problemset/problem/1173/B
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
1,100
{ "solved_count": 9448 }
2026-06-01T05:00:40.145500+00:00
codeforces:1173-A
codeforces
1173-A
Nauuo and Votes
https://codeforces.com/problemset/problem/1173/A
[ "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 17283 }
2026-06-01T05:00:40.145500+00:00
codeforces:1172-F
codeforces
1172-F
Nauuo and Bug
https://codeforces.com/problemset/problem/1172/F
[ "data structures" ]
null
null
stdin_stdout
3,300
{ "solved_count": 594 }
2026-06-01T05:00:40.145500+00:00
codeforces:1172-E
codeforces
1172-E
Nauuo and ODT
https://codeforces.com/problemset/problem/1172/E
[ "data structures" ]
null
null
stdin_stdout
3,300
{ "solved_count": 361 }
2026-06-01T05:00:40.145500+00:00
codeforces:1172-D
codeforces
1172-D
Nauuo and Portals
https://codeforces.com/problemset/problem/1172/D
[ "constructive algorithms" ]
null
null
stdin_stdout
2,900
{ "solved_count": 702 }
2026-06-01T05:00:40.145500+00:00
codeforces:1172-C2
codeforces
1172-C2
Nauuo and Pictures (hard version)
https://codeforces.com/problemset/problem/1172/C2
[ "dp", "probabilities" ]
null
null
stdin_stdout
2,600
{ "solved_count": 999 }
2026-06-01T05:00:40.145500+00:00
codeforces:1172-C1
codeforces
1172-C1
Nauuo and Pictures (easy version)
https://codeforces.com/problemset/problem/1172/C1
[ "dp", "probabilities" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1231 }
2026-06-01T05:00:40.145500+00:00
codeforces:1172-B
codeforces
1172-B
Nauuo and Circle
https://codeforces.com/problemset/problem/1172/B
[ "combinatorics", "dfs and similar", "dp", "trees" ]
null
null
stdin_stdout
1,900
{ "solved_count": 4423 }
2026-06-01T05:00:40.145500+00:00
codeforces:1172-A
codeforces
1172-A
Nauuo and Cards
https://codeforces.com/problemset/problem/1172/A
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,800
{ "solved_count": 5184 }
2026-06-01T05:00:40.145500+00:00