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codeforces:81-B
codeforces
81-B
Sequence Formatting
https://codeforces.com/problemset/problem/81/B
[ "implementation", "strings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 2142 }
2026-06-01T05:00:40.145500+00:00
codeforces:81-A
codeforces
81-A
Plug-in
https://codeforces.com/problemset/problem/81/A
[ "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 13999 }
2026-06-01T05:00:40.145500+00:00
codeforces:80-B
codeforces
80-B
Depression
https://codeforces.com/problemset/problem/80/B
[ "geometry", "math" ]
null
null
stdin_stdout
1,200
{ "solved_count": 5016 }
2026-06-01T05:00:40.145500+00:00
codeforces:80-A
codeforces
80-A
Panoramix's Prediction
https://codeforces.com/problemset/problem/80/A
[ "brute force" ]
null
null
stdin_stdout
800
{ "solved_count": 66784 }
2026-06-01T05:00:40.145500+00:00
codeforces:79-E
codeforces
79-E
Security System
https://codeforces.com/problemset/problem/79/E
[ "math" ]
null
null
stdin_stdout
2,900
{ "solved_count": 160 }
2026-06-01T05:00:40.145500+00:00
codeforces:79-D
codeforces
79-D
Password
https://codeforces.com/problemset/problem/79/D
[ "bitmasks", "dp", "shortest paths" ]
null
null
stdin_stdout
2,800
{ "solved_count": 1349 }
2026-06-01T05:00:40.145500+00:00
codeforces:79-C
codeforces
79-C
Beaver
https://codeforces.com/problemset/problem/79/C
[ "data structures", "dp", "greedy", "hashing", "strings", "two pointers" ]
null
null
stdin_stdout
1,800
{ "solved_count": 2121 }
2026-06-01T05:00:40.145500+00:00
codeforces:79-B
codeforces
79-B
Colorful Field
https://codeforces.com/problemset/problem/79/B
[ "implementation", "sortings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 8010 }
2026-06-01T05:00:40.145500+00:00
codeforces:79-A
codeforces
79-A
Bus Game
https://codeforces.com/problemset/problem/79/A
[ "greedy" ]
null
null
stdin_stdout
1,200
{ "solved_count": 4571 }
2026-06-01T05:00:40.145500+00:00
codeforces:78-E
codeforces
78-E
Evacuation
https://codeforces.com/problemset/problem/78/E
[ "flows", "graphs", "shortest paths" ]
null
null
stdin_stdout
2,300
{ "solved_count": 697 }
2026-06-01T05:00:40.145500+00:00
codeforces:78-D
codeforces
78-D
Archer's Shot
https://codeforces.com/problemset/problem/78/D
[ "binary search", "geometry", "math", "two pointers" ]
null
null
stdin_stdout
2,300
{ "solved_count": 396 }
2026-06-01T05:00:40.145500+00:00
codeforces:78-C
codeforces
78-C
Beaver Game
https://codeforces.com/problemset/problem/78/C
[ "dp", "games", "number theory" ]
null
null
stdin_stdout
2,000
{ "solved_count": 2185 }
2026-06-01T05:00:40.145500+00:00
codeforces:78-B
codeforces
78-B
Easter Eggs
https://codeforces.com/problemset/problem/78/B
[ "constructive algorithms", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 15397 }
2026-06-01T05:00:40.145500+00:00
codeforces:78-A
codeforces
78-A
Haiku
https://codeforces.com/problemset/problem/78/A
[ "implementation", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 15481 }
2026-06-01T05:00:40.145500+00:00
codeforces:77-E
codeforces
77-E
Martian Food
https://codeforces.com/problemset/problem/77/E
[ "geometry" ]
null
null
stdin_stdout
2,800
{ "solved_count": 422 }
2026-06-01T05:00:40.145500+00:00
codeforces:77-D
codeforces
77-D
Domino Carpet
https://codeforces.com/problemset/problem/77/D
[ "dp", "implementation" ]
null
null
stdin_stdout
2,300
{ "solved_count": 365 }
2026-06-01T05:00:40.145500+00:00
codeforces:77-C
codeforces
77-C
Beavermuncher-0xFF
https://codeforces.com/problemset/problem/77/C
[ "dfs and similar", "dp", "dsu", "greedy", "trees" ]
null
null
stdin_stdout
2,100
{ "solved_count": 1172 }
2026-06-01T05:00:40.145500+00:00
codeforces:77-B
codeforces
77-B
Falling Anvils
https://codeforces.com/problemset/problem/77/B
[ "math", "probabilities" ]
null
null
stdin_stdout
1,800
{ "solved_count": 2875 }
2026-06-01T05:00:40.145500+00:00
codeforces:77-A
codeforces
77-A
Heroes
https://codeforces.com/problemset/problem/77/A
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 1957 }
2026-06-01T05:00:40.145500+00:00
codeforces:76-F
codeforces
76-F
Tourist
https://codeforces.com/problemset/problem/76/F
[ "binary search", "data structures", "dp" ]
null
null
stdin_stdout
2,300
{ "solved_count": 777 }
2026-06-01T05:00:40.145500+00:00
codeforces:76-E
codeforces
76-E
Points
https://codeforces.com/problemset/problem/76/E
[ "implementation", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 1899 }
2026-06-01T05:00:40.145500+00:00
codeforces:76-D
codeforces
76-D
Plus and xor
https://codeforces.com/problemset/problem/76/D
[ "dp", "greedy", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 2411 }
2026-06-01T05:00:40.145500+00:00
codeforces:76-C
codeforces
76-C
Mutation
https://codeforces.com/problemset/problem/76/C
[ "bitmasks", "dp", "math" ]
null
null
stdin_stdout
2,700
{ "solved_count": 370 }
2026-06-01T05:00:40.145500+00:00
codeforces:76-B
codeforces
76-B
Mice
https://codeforces.com/problemset/problem/76/B
[ "greedy", "two pointers" ]
null
null
stdin_stdout
2,100
{ "solved_count": 803 }
2026-06-01T05:00:40.145500+00:00
codeforces:76-A
codeforces
76-A
Gift
https://codeforces.com/problemset/problem/76/A
[ "dsu", "graphs", "sortings", "trees" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2316 }
2026-06-01T05:00:40.145500+00:00
codeforces:75-E
codeforces
75-E
Ship's Shortest Path
https://codeforces.com/problemset/problem/75/E
[ "geometry", "shortest paths" ]
null
null
stdin_stdout
2,400
{ "solved_count": 303 }
2026-06-01T05:00:40.145500+00:00
codeforces:75-D
codeforces
75-D
Big Maximum Sum
https://codeforces.com/problemset/problem/75/D
[ "data structures", "dp", "greedy", "implementation", "math", "trees" ]
null
null
stdin_stdout
2,000
{ "solved_count": 2078 }
2026-06-01T05:00:40.145500+00:00
codeforces:75-C
codeforces
75-C
Modified GCD
https://codeforces.com/problemset/problem/75/C
[ "binary search", "number theory" ]
null
null
stdin_stdout
1,600
{ "solved_count": 16097 }
2026-06-01T05:00:40.145500+00:00
codeforces:75-B
codeforces
75-B
Facetook Priority Wall
https://codeforces.com/problemset/problem/75/B
[ "expression parsing", "implementation", "strings" ]
null
null
stdin_stdout
1,500
{ "solved_count": 3626 }
2026-06-01T05:00:40.145500+00:00
codeforces:75-A
codeforces
75-A
Life Without Zeros
https://codeforces.com/problemset/problem/75/A
[ "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 29846 }
2026-06-01T05:00:40.145500+00:00
codeforces:74-E
codeforces
74-E
Shift It!
https://codeforces.com/problemset/problem/74/E
[ "constructive algorithms" ]
null
null
stdin_stdout
2,800
{ "solved_count": 186 }
2026-06-01T05:00:40.145500+00:00
codeforces:74-D
codeforces
74-D
Hanger
https://codeforces.com/problemset/problem/74/D
[ "data structures" ]
null
null
stdin_stdout
2,400
{ "solved_count": 420 }
2026-06-01T05:00:40.145500+00:00
codeforces:74-C
codeforces
74-C
Chessboard Billiard
https://codeforces.com/problemset/problem/74/C
[ "dfs and similar", "dsu", "graphs", "number theory" ]
null
null
stdin_stdout
2,100
{ "solved_count": 1414 }
2026-06-01T05:00:40.145500+00:00
codeforces:74-B
codeforces
74-B
Train
https://codeforces.com/problemset/problem/74/B
[ "dp", "games", "greedy" ]
null
null
stdin_stdout
1,500
{ "solved_count": 1790 }
2026-06-01T05:00:40.145500+00:00
codeforces:74-A
codeforces
74-A
Room Leader
https://codeforces.com/problemset/problem/74/A
[ "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 5892 }
2026-06-01T05:00:40.145500+00:00
codeforces:73-F
codeforces
73-F
Plane of Tanks
https://codeforces.com/problemset/problem/73/F
[ "brute force", "geometry" ]
null
null
stdin_stdout
2,900
{ "solved_count": 107 }
2026-06-01T05:00:40.145500+00:00
codeforces:73-E
codeforces
73-E
Morrowindows
https://codeforces.com/problemset/problem/73/E
[ "math", "number theory" ]
null
null
stdin_stdout
2,400
{ "solved_count": 415 }
2026-06-01T05:00:40.145500+00:00
codeforces:73-D
codeforces
73-D
FreeDiv
https://codeforces.com/problemset/problem/73/D
[ "dfs and similar", "graphs", "greedy" ]
null
null
stdin_stdout
2,200
{ "solved_count": 755 }
2026-06-01T05:00:40.145500+00:00
codeforces:73-C
codeforces
73-C
LionAge II
https://codeforces.com/problemset/problem/73/C
[ "dp" ]
null
null
stdin_stdout
1,800
{ "solved_count": 2494 }
2026-06-01T05:00:40.145500+00:00
codeforces:73-B
codeforces
73-B
Need For Brake
https://codeforces.com/problemset/problem/73/B
[ "binary search", "greedy", "sortings" ]
null
null
stdin_stdout
2,000
{ "solved_count": 548 }
2026-06-01T05:00:40.145500+00:00
codeforces:73-A
codeforces
73-A
The Elder Trolls IV: Oblivon
https://codeforces.com/problemset/problem/73/A
[ "greedy", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 1644 }
2026-06-01T05:00:40.145500+00:00
codeforces:72-I
codeforces
72-I
Goofy Numbers
https://codeforces.com/problemset/problem/72/I
[ "*special", "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 483 }
2026-06-01T05:00:40.145500+00:00
codeforces:72-H
codeforces
72-H
Reverse It!
https://codeforces.com/problemset/problem/72/H
[ "*special", "implementation" ]
null
null
stdin_stdout
1,600
{ "solved_count": 284 }
2026-06-01T05:00:40.145500+00:00
codeforces:72-G
codeforces
72-G
Fibonacci army
https://codeforces.com/problemset/problem/72/G
[ "*special", "dp" ]
null
null
stdin_stdout
1,000
{ "solved_count": 2851 }
2026-06-01T05:00:40.145500+00:00
codeforces:72-F
codeforces
72-F
Oil
https://codeforces.com/problemset/problem/72/F
[ "*special", "greedy", "math" ]
null
null
stdin_stdout
1,900
{ "solved_count": 143 }
2026-06-01T05:00:40.145500+00:00
codeforces:72-E
codeforces
72-E
Ali goes shopping
https://codeforces.com/problemset/problem/72/E
[ "*special", "brute force", "strings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 181 }
2026-06-01T05:00:40.145500+00:00
codeforces:72-D
codeforces
72-D
Perse-script
https://codeforces.com/problemset/problem/72/D
[ "*special", "expression parsing" ]
null
null
stdin_stdout
2,300
{ "solved_count": 83 }
2026-06-01T05:00:40.145500+00:00
codeforces:72-C
codeforces
72-C
Extraordinarily Nice Numbers
https://codeforces.com/problemset/problem/72/C
[ "*special", "math" ]
null
null
stdin_stdout
1,200
{ "solved_count": 1056 }
2026-06-01T05:00:40.145500+00:00
codeforces:72-B
codeforces
72-B
INI-file
https://codeforces.com/problemset/problem/72/B
[ "*special", "implementation" ]
null
null
stdin_stdout
2,200
{ "solved_count": 117 }
2026-06-01T05:00:40.145500+00:00
codeforces:72-A
codeforces
72-A
Goshtasp, Vishtasp and Eidi
https://codeforces.com/problemset/problem/72/A
[ "*special", "greedy", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 194 }
2026-06-01T05:00:40.145500+00:00
codeforces:71-E
codeforces
71-E
Nuclear Fusion
https://codeforces.com/problemset/problem/71/E
[ "bitmasks", "dp" ]
null
null
stdin_stdout
2,200
{ "solved_count": 949 }
2026-06-01T05:00:40.145500+00:00
codeforces:71-D
codeforces
71-D
Solitaire
https://codeforces.com/problemset/problem/71/D
[ "brute force", "implementation" ]
null
null
stdin_stdout
2,200
{ "solved_count": 776 }
2026-06-01T05:00:40.145500+00:00
codeforces:71-C
codeforces
71-C
Round Table Knights
https://codeforces.com/problemset/problem/71/C
[ "dp", "math", "number theory" ]
null
null
stdin_stdout
1,600
{ "solved_count": 7361 }
2026-06-01T05:00:40.145500+00:00
codeforces:71-B
codeforces
71-B
Progress Bar
https://codeforces.com/problemset/problem/71/B
[ "implementation", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 5337 }
2026-06-01T05:00:40.145500+00:00
codeforces:71-A
codeforces
71-A
Way Too Long Words
https://codeforces.com/problemset/problem/71/A
[ "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 507634 }
2026-06-01T05:00:40.145500+00:00
codeforces:70-E
codeforces
70-E
Information Reform
https://codeforces.com/problemset/problem/70/E
[ "dp", "implementation", "trees" ]
null
null
stdin_stdout
2,700
{ "solved_count": 592 }
2026-06-01T05:00:40.145500+00:00
codeforces:70-D
codeforces
70-D
Professor's task
https://codeforces.com/problemset/problem/70/D
[ "data structures", "geometry" ]
null
null
stdin_stdout
2,700
{ "solved_count": 1100 }
2026-06-01T05:00:40.145500+00:00
codeforces:70-C
codeforces
70-C
Lucky Tickets
https://codeforces.com/problemset/problem/70/C
[ "binary search", "data structures", "sortings", "two pointers" ]
null
null
stdin_stdout
2,200
{ "solved_count": 632 }
2026-06-01T05:00:40.145500+00:00
codeforces:70-B
codeforces
70-B
Text Messaging
https://codeforces.com/problemset/problem/70/B
[ "expression parsing", "greedy", "strings" ]
null
null
stdin_stdout
1,600
{ "solved_count": 2108 }
2026-06-01T05:00:40.145500+00:00
codeforces:70-A
codeforces
70-A
Cookies
https://codeforces.com/problemset/problem/70/A
[ "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 3567 }
2026-06-01T05:00:40.145500+00:00
codeforces:69-E
codeforces
69-E
Subsegments
https://codeforces.com/problemset/problem/69/E
[ "data structures", "implementation" ]
null
null
stdin_stdout
1,800
{ "solved_count": 5110 }
2026-06-01T05:00:40.145500+00:00
codeforces:69-D
codeforces
69-D
Dot
https://codeforces.com/problemset/problem/69/D
[ "dp", "games" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1139 }
2026-06-01T05:00:40.145500+00:00
codeforces:69-C
codeforces
69-C
Game
https://codeforces.com/problemset/problem/69/C
[ "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 674 }
2026-06-01T05:00:40.145500+00:00
codeforces:69-B
codeforces
69-B
Bets
https://codeforces.com/problemset/problem/69/B
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 3636 }
2026-06-01T05:00:40.145500+00:00
codeforces:69-A
codeforces
69-A
Young Physicist
https://codeforces.com/problemset/problem/69/A
[ "implementation", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 203721 }
2026-06-01T05:00:40.145500+00:00
codeforces:68-E
codeforces
68-E
Contact
https://codeforces.com/problemset/problem/68/E
[ "geometry" ]
null
null
stdin_stdout
2,900
{ "solved_count": 84 }
2026-06-01T05:00:40.145500+00:00
codeforces:68-D
codeforces
68-D
Half-decay tree
https://codeforces.com/problemset/problem/68/D
[ "data structures", "divide and conquer", "dp", "math", "probabilities" ]
null
null
stdin_stdout
2,500
{ "solved_count": 532 }
2026-06-01T05:00:40.145500+00:00
codeforces:68-C
codeforces
68-C
Synchrophasotron
https://codeforces.com/problemset/problem/68/C
[ "brute force" ]
null
null
stdin_stdout
2,200
{ "solved_count": 353 }
2026-06-01T05:00:40.145500+00:00
codeforces:68-B
codeforces
68-B
Energy exchange
https://codeforces.com/problemset/problem/68/B
[ "binary search" ]
null
null
stdin_stdout
1,600
{ "solved_count": 5616 }
2026-06-01T05:00:40.145500+00:00
codeforces:68-A
codeforces
68-A
Irrational problem
https://codeforces.com/problemset/problem/68/A
[ "implementation", "number theory" ]
null
null
stdin_stdout
1,100
{ "solved_count": 5381 }
2026-06-01T05:00:40.145500+00:00
codeforces:67-E
codeforces
67-E
Save the City!
https://codeforces.com/problemset/problem/67/E
[ "geometry" ]
null
null
stdin_stdout
2,500
{ "solved_count": 342 }
2026-06-01T05:00:40.145500+00:00
codeforces:67-D
codeforces
67-D
Optical Experiment
https://codeforces.com/problemset/problem/67/D
[ "binary search", "data structures", "dp" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1780 }
2026-06-01T05:00:40.145500+00:00
codeforces:67-C
codeforces
67-C
Sequence of Balls
https://codeforces.com/problemset/problem/67/C
[ "dp" ]
null
null
stdin_stdout
2,600
{ "solved_count": 746 }
2026-06-01T05:00:40.145500+00:00
codeforces:67-B
codeforces
67-B
Restoration of the Permutation
https://codeforces.com/problemset/problem/67/B
[ "greedy" ]
null
null
stdin_stdout
1,800
{ "solved_count": 951 }
2026-06-01T05:00:40.145500+00:00
codeforces:67-A
codeforces
67-A
Partial Teacher
https://codeforces.com/problemset/problem/67/A
[ "dp", "graphs", "greedy", "implementation" ]
null
null
stdin_stdout
1,800
{ "solved_count": 2492 }
2026-06-01T05:00:40.145500+00:00
codeforces:66-E
codeforces
66-E
Petya and Post
https://codeforces.com/problemset/problem/66/E
[ "data structures", "dp" ]
null
null
stdin_stdout
2,000
{ "solved_count": 927 }
2026-06-01T05:00:40.145500+00:00
codeforces:66-D
codeforces
66-D
Petya and His Friends
https://codeforces.com/problemset/problem/66/D
[ "constructive algorithms", "math", "number theory" ]
null
null
stdin_stdout
1,700
{ "solved_count": 3737 }
2026-06-01T05:00:40.145500+00:00
codeforces:66-C
codeforces
66-C
Petya and File System
https://codeforces.com/problemset/problem/66/C
[ "data structures", "implementation" ]
null
null
stdin_stdout
1,800
{ "solved_count": 1195 }
2026-06-01T05:00:40.145500+00:00
codeforces:66-B
codeforces
66-B
Petya and Countryside
https://codeforces.com/problemset/problem/66/B
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 23193 }
2026-06-01T05:00:40.145500+00:00
codeforces:66-A
codeforces
66-A
Petya and Java
https://codeforces.com/problemset/problem/66/A
[ "implementation", "strings" ]
null
null
stdin_stdout
1,300
{ "solved_count": 7095 }
2026-06-01T05:00:40.145500+00:00
codeforces:65-E
codeforces
65-E
Harry Potter and Moving Staircases
https://codeforces.com/problemset/problem/65/E
[ "dfs and similar", "implementation" ]
null
null
stdin_stdout
2,900
{ "solved_count": 106 }
2026-06-01T05:00:40.145500+00:00
codeforces:65-D
codeforces
65-D
Harry Potter and the Sorting Hat
https://codeforces.com/problemset/problem/65/D
[ "brute force", "dfs and similar", "hashing" ]
null
null
stdin_stdout
2,200
{ "solved_count": 481 }
2026-06-01T05:00:40.145500+00:00
codeforces:65-C
codeforces
65-C
Harry Potter and the Golden Snitch
https://codeforces.com/problemset/problem/65/C
[ "binary search", "geometry" ]
null
null
stdin_stdout
2,100
{ "solved_count": 869 }
2026-06-01T05:00:40.145500+00:00
codeforces:65-B
codeforces
65-B
Harry Potter and the History of Magic
https://codeforces.com/problemset/problem/65/B
[ "brute force", "greedy", "implementation" ]
null
null
stdin_stdout
1,700
{ "solved_count": 1555 }
2026-06-01T05:00:40.145500+00:00
codeforces:65-A
codeforces
65-A
Harry Potter and Three Spells
https://codeforces.com/problemset/problem/65/A
[ "implementation", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 2017 }
2026-06-01T05:00:40.145500+00:00
codeforces:64-I
codeforces
64-I
Sort the Table
https://codeforces.com/problemset/problem/64/I
[ "*special", "sortings" ]
null
null
stdin_stdout
2,400
{ "solved_count": 94 }
2026-06-01T05:00:40.145500+00:00
codeforces:64-H
codeforces
64-H
Table Bowling
https://codeforces.com/problemset/problem/64/H
[ "*special", "sortings" ]
null
null
stdin_stdout
2,300
{ "solved_count": 122 }
2026-06-01T05:00:40.145500+00:00
codeforces:64-G
codeforces
64-G
Path Canonization
https://codeforces.com/problemset/problem/64/G
[ "*special" ]
null
null
stdin_stdout
2,200
{ "solved_count": 129 }
2026-06-01T05:00:40.145500+00:00
codeforces:64-F
codeforces
64-F
Domain
https://codeforces.com/problemset/problem/64/F
[ "*special", "expression parsing" ]
null
null
stdin_stdout
2,000
{ "solved_count": 193 }
2026-06-01T05:00:40.145500+00:00
codeforces:64-E
codeforces
64-E
Prime Segment
https://codeforces.com/problemset/problem/64/E
[ "*special", "brute force", "math", "number theory" ]
null
null
stdin_stdout
1,800
{ "solved_count": 295 }
2026-06-01T05:00:40.145500+00:00
codeforces:64-D
codeforces
64-D
Presents
https://codeforces.com/problemset/problem/64/D
[ "*special", "greedy" ]
null
null
stdin_stdout
1,800
{ "solved_count": 298 }
2026-06-01T05:00:40.145500+00:00
codeforces:64-C
codeforces
64-C
Table
https://codeforces.com/problemset/problem/64/C
[ "*special", "greedy", "implementation", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 356 }
2026-06-01T05:00:40.145500+00:00
codeforces:64-B
codeforces
64-B
Expression
https://codeforces.com/problemset/problem/64/B
[ "*special", "expression parsing" ]
null
null
stdin_stdout
1,500
{ "solved_count": 1054 }
2026-06-01T05:00:40.145500+00:00
codeforces:64-A
codeforces
64-A
Factorial
https://codeforces.com/problemset/problem/64/A
[ "*special", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 4259 }
2026-06-01T05:00:40.145500+00:00
codeforces:63-E
codeforces
63-E
Sweets Game
https://codeforces.com/problemset/problem/63/E
[ "bitmasks", "dfs and similar", "dp", "games", "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 858 }
2026-06-01T05:00:40.145500+00:00
codeforces:63-D
codeforces
63-D
Dividing Island
https://codeforces.com/problemset/problem/63/D
[ "constructive algorithms" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1449 }
2026-06-01T05:00:40.145500+00:00
codeforces:63-C
codeforces
63-C
Bulls and Cows
https://codeforces.com/problemset/problem/63/C
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,700
{ "solved_count": 2007 }
2026-06-01T05:00:40.145500+00:00
codeforces:63-B
codeforces
63-B
Settlers' Training
https://codeforces.com/problemset/problem/63/B
[ "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 5216 }
2026-06-01T05:00:40.145500+00:00
codeforces:63-A
codeforces
63-A
Sinking Ship
https://codeforces.com/problemset/problem/63/A
[ "implementation", "sortings", "strings" ]
null
null
stdin_stdout
900
{ "solved_count": 13466 }
2026-06-01T05:00:40.145500+00:00
codeforces:62-E
codeforces
62-E
World Evil
https://codeforces.com/problemset/problem/62/E
[ "dp", "flows" ]
null
null
stdin_stdout
2,700
{ "solved_count": 283 }
2026-06-01T05:00:40.145500+00:00