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codeforces:1300-A
codeforces
1300-A
Non-zero
https://codeforces.com/problemset/problem/1300/A
[ "implementation", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 21866 }
2026-11-02T05:37:07.883505+00:00
codeforces:1299-E
codeforces
1299-E
So Mean
https://codeforces.com/problemset/problem/1299/E
[ "interactive", "math" ]
null
null
stdin_stdout
3,400
{ "solved_count": 278 }
2026-11-02T05:37:07.883505+00:00
codeforces:1299-D
codeforces
1299-D
Around the World
https://codeforces.com/problemset/problem/1299/D
[ "bitmasks", "combinatorics", "dfs and similar", "dp", "graphs", "math", "trees" ]
null
null
stdin_stdout
3,000
{ "solved_count": 727 }
2026-11-02T05:37:07.883505+00:00
codeforces:1299-C
codeforces
1299-C
Water Balance
https://codeforces.com/problemset/problem/1299/C
[ "data structures", "geometry", "greedy" ]
null
null
stdin_stdout
2,100
{ "solved_count": 4516 }
2026-11-02T05:37:07.883505+00:00
codeforces:1299-B
codeforces
1299-B
Aerodynamic
https://codeforces.com/problemset/problem/1299/B
[ "geometry" ]
null
null
stdin_stdout
1,800
{ "solved_count": 5687 }
2026-11-02T05:37:07.883505+00:00
codeforces:1299-A
codeforces
1299-A
Anu Has a Function
https://codeforces.com/problemset/problem/1299/A
[ "brute force", "greedy", "math" ]
null
null
stdin_stdout
1,500
{ "solved_count": 12740 }
2026-11-02T05:37:07.883505+00:00
codeforces:1297-I
codeforces
1297-I
Falling Blocks
https://codeforces.com/problemset/problem/1297/I
[ "*special", "data structures" ]
null
null
stdin_stdout
null
{ "solved_count": 39 }
2026-11-02T05:37:07.883505+00:00
codeforces:1297-H
codeforces
1297-H
Paint the String
https://codeforces.com/problemset/problem/1297/H
[ "*special", "dp", "strings" ]
null
null
stdin_stdout
null
{ "solved_count": 53 }
2026-11-02T05:37:07.883505+00:00
codeforces:1297-G
codeforces
1297-G
M-numbers
https://codeforces.com/problemset/problem/1297/G
[ "*special", "dp", "math" ]
null
null
stdin_stdout
null
{ "solved_count": 78 }
2026-11-02T05:37:07.883505+00:00
codeforces:1297-F
codeforces
1297-F
Movie Fan
https://codeforces.com/problemset/problem/1297/F
[ "*special", "data structures", "greedy", "implementation", "sortings" ]
null
null
stdin_stdout
null
{ "solved_count": 128 }
2026-11-02T05:37:07.883505+00:00
codeforces:1297-E
codeforces
1297-E
Modernization of Treeland
https://codeforces.com/problemset/problem/1297/E
[ "*special", "dfs and similar", "trees" ]
null
null
stdin_stdout
null
{ "solved_count": 220 }
2026-11-02T05:37:07.883505+00:00
codeforces:1297-D
codeforces
1297-D
Bonus Distribution
https://codeforces.com/problemset/problem/1297/D
[ "*special", "binary search", "greedy", "sortings" ]
null
null
stdin_stdout
null
{ "solved_count": 274 }
2026-11-02T05:37:07.883505+00:00
codeforces:1297-C
codeforces
1297-C
Dream Team
https://codeforces.com/problemset/problem/1297/C
[ "*special", "greedy" ]
null
null
stdin_stdout
null
{ "solved_count": 414 }
2026-11-02T05:37:07.883505+00:00
codeforces:1297-B
codeforces
1297-B
Cartoons
https://codeforces.com/problemset/problem/1297/B
[ "*special", "implementation", "sortings" ]
null
null
stdin_stdout
null
{ "solved_count": 433 }
2026-11-02T05:37:07.883505+00:00
codeforces:1297-A
codeforces
1297-A
Likes Display
https://codeforces.com/problemset/problem/1297/A
[ "*special", "implementation" ]
null
null
stdin_stdout
null
{ "solved_count": 958 }
2026-11-02T05:37:07.883505+00:00
codeforces:1296-F
codeforces
1296-F
Berland Beauty
https://codeforces.com/problemset/problem/1296/F
[ "constructive algorithms", "dfs and similar", "greedy", "sortings", "trees" ]
null
null
stdin_stdout
2,100
{ "solved_count": 3254 }
2026-11-02T05:37:07.883505+00:00
codeforces:1296-E2
codeforces
1296-E2
String Coloring (hard version)
https://codeforces.com/problemset/problem/1296/E2
[ "data structures", "dp" ]
null
null
stdin_stdout
2,000
{ "solved_count": 5591 }
2026-11-02T05:37:07.883505+00:00
codeforces:1296-E1
codeforces
1296-E1
String Coloring (easy version)
https://codeforces.com/problemset/problem/1296/E1
[ "constructive algorithms", "dp", "graphs", "greedy", "sortings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 8364 }
2026-11-02T05:37:07.883505+00:00
codeforces:1296-D
codeforces
1296-D
Fight with Monsters
https://codeforces.com/problemset/problem/1296/D
[ "greedy", "sortings" ]
null
null
stdin_stdout
1,500
{ "solved_count": 15295 }
2026-11-02T05:37:07.883505+00:00
codeforces:1296-C
codeforces
1296-C
Yet Another Walking Robot
https://codeforces.com/problemset/problem/1296/C
[ "data structures", "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 15936 }
2026-11-02T05:37:07.883505+00:00
codeforces:1296-B
codeforces
1296-B
Food Buying
https://codeforces.com/problemset/problem/1296/B
[ "math" ]
null
null
stdin_stdout
900
{ "solved_count": 33241 }
2026-11-02T05:37:07.883505+00:00
codeforces:1296-A
codeforces
1296-A
Array with Odd Sum
https://codeforces.com/problemset/problem/1296/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 50071 }
2026-11-02T05:37:07.883505+00:00
codeforces:1295-F
codeforces
1295-F
Good Contest
https://codeforces.com/problemset/problem/1295/F
[ "combinatorics", "dp", "probabilities" ]
null
null
stdin_stdout
2,700
{ "solved_count": 1594 }
2026-11-02T05:37:07.883505+00:00
codeforces:1295-E
codeforces
1295-E
Permutation Separation
https://codeforces.com/problemset/problem/1295/E
[ "data structures", "divide and conquer" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2943 }
2026-11-02T05:37:07.883505+00:00
codeforces:1295-D
codeforces
1295-D
Same GCDs
https://codeforces.com/problemset/problem/1295/D
[ "math", "number theory" ]
null
null
stdin_stdout
1,800
{ "solved_count": 10870 }
2026-11-02T05:37:07.883505+00:00
codeforces:1295-C
codeforces
1295-C
Obtain The String
https://codeforces.com/problemset/problem/1295/C
[ "dp", "greedy", "strings" ]
null
null
stdin_stdout
1,600
{ "solved_count": 14163 }
2026-11-02T05:37:07.883505+00:00
codeforces:1295-B
codeforces
1295-B
Infinite Prefixes
https://codeforces.com/problemset/problem/1295/B
[ "math", "strings" ]
null
null
stdin_stdout
1,700
{ "solved_count": 10029 }
2026-11-02T05:37:07.883505+00:00
codeforces:1295-A
codeforces
1295-A
Display The Number
https://codeforces.com/problemset/problem/1295/A
[ "greedy" ]
null
null
stdin_stdout
900
{ "solved_count": 24587 }
2026-11-02T05:37:07.883505+00:00
codeforces:1294-F
codeforces
1294-F
Three Paths on a Tree
https://codeforces.com/problemset/problem/1294/F
[ "dfs and similar", "dp", "greedy", "trees" ]
null
null
stdin_stdout
2,000
{ "solved_count": 7468 }
2026-11-02T05:37:07.883505+00:00
codeforces:1294-E
codeforces
1294-E
Obtain a Permutation
https://codeforces.com/problemset/problem/1294/E
[ "greedy", "implementation", "math" ]
null
null
stdin_stdout
1,900
{ "solved_count": 5311 }
2026-11-02T05:37:07.883505+00:00
codeforces:1294-D
codeforces
1294-D
MEX maximizing
https://codeforces.com/problemset/problem/1294/D
[ "data structures", "greedy", "implementation", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 12944 }
2026-11-02T05:37:07.883505+00:00
codeforces:1294-C
codeforces
1294-C
Product of Three Numbers
https://codeforces.com/problemset/problem/1294/C
[ "greedy", "math", "number theory" ]
null
null
stdin_stdout
1,300
{ "solved_count": 50566 }
2026-11-02T05:37:07.883505+00:00
codeforces:1294-B
codeforces
1294-B
Collecting Packages
https://codeforces.com/problemset/problem/1294/B
[ "implementation", "sortings" ]
null
null
stdin_stdout
1,200
{ "solved_count": 23276 }
2026-11-02T05:37:07.883505+00:00
codeforces:1294-A
codeforces
1294-A
Collecting Coins
https://codeforces.com/problemset/problem/1294/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 55362 }
2026-11-02T05:37:07.883505+00:00
codeforces:1293-B
codeforces
1293-B
JOE is on TV!
https://codeforces.com/problemset/problem/1293/B
[ "combinatorics", "greedy", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 22568 }
2026-11-02T05:37:07.883505+00:00
codeforces:1293-A
codeforces
1293-A
ConneR and the A.R.C. Markland-N
https://codeforces.com/problemset/problem/1293/A
[ "binary search", "brute force", "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 16297 }
2026-11-02T05:37:07.883505+00:00
codeforces:1292-F
codeforces
1292-F
Nora's Toy Boxes
https://codeforces.com/problemset/problem/1292/F
[ "bitmasks", "combinatorics", "dp" ]
null
null
stdin_stdout
3,500
{ "solved_count": 453 }
2026-11-02T05:37:07.883505+00:00
codeforces:1292-E
codeforces
1292-E
Rin and The Unknown Flower
https://codeforces.com/problemset/problem/1292/E
[ "constructive algorithms", "greedy", "interactive", "math" ]
null
null
stdin_stdout
3,500
{ "solved_count": 483 }
2026-11-02T05:37:07.883505+00:00
codeforces:1292-D
codeforces
1292-D
Chaotic V.
https://codeforces.com/problemset/problem/1292/D
[ "dp", "graphs", "greedy", "math", "number theory", "trees" ]
null
null
stdin_stdout
2,700
{ "solved_count": 1089 }
2026-11-02T05:37:07.883505+00:00
codeforces:1292-C
codeforces
1292-C
Xenon's Attack on the Gangs
https://codeforces.com/problemset/problem/1292/C
[ "combinatorics", "dfs and similar", "dp", "greedy", "trees" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2443 }
2026-11-02T05:37:07.883505+00:00
codeforces:1292-B
codeforces
1292-B
Aroma's Search
https://codeforces.com/problemset/problem/1292/B
[ "brute force", "constructive algorithms", "geometry", "greedy", "implementation" ]
null
null
stdin_stdout
1,700
{ "solved_count": 6881 }
2026-11-02T05:37:07.883505+00:00
codeforces:1292-A
codeforces
1292-A
NEKO's Maze Game
https://codeforces.com/problemset/problem/1292/A
[ "data structures", "dsu", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 14079 }
2026-11-02T05:37:07.883505+00:00
codeforces:1291-F
codeforces
1291-F
Coffee Varieties (easy version)
https://codeforces.com/problemset/problem/1291/F
[ "graphs", "interactive" ]
null
null
stdin_stdout
2,800
{ "solved_count": 822 }
2026-11-02T05:37:07.883505+00:00
codeforces:1291-B
codeforces
1291-B
Array Sharpening
https://codeforces.com/problemset/problem/1291/B
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 15631 }
2026-11-02T05:37:07.883505+00:00
codeforces:1291-A
codeforces
1291-A
Even But Not Even
https://codeforces.com/problemset/problem/1291/A
[ "greedy", "math", "strings" ]
null
null
stdin_stdout
900
{ "solved_count": 21053 }
2026-11-02T05:37:07.883505+00:00
codeforces:1290-F
codeforces
1290-F
Making Shapes
https://codeforces.com/problemset/problem/1290/F
[ "dp" ]
null
null
stdin_stdout
3,500
{ "solved_count": 616 }
2026-11-02T05:37:07.883505+00:00
codeforces:1290-E
codeforces
1290-E
Cartesian Tree
https://codeforces.com/problemset/problem/1290/E
[ "data structures" ]
null
null
stdin_stdout
3,300
{ "solved_count": 705 }
2026-11-02T05:37:07.883505+00:00
codeforces:1290-D
codeforces
1290-D
Coffee Varieties (hard version)
https://codeforces.com/problemset/problem/1290/D
[ "constructive algorithms", "graphs", "interactive" ]
null
null
stdin_stdout
3,000
{ "solved_count": 1032 }
2026-11-02T05:37:07.883505+00:00
codeforces:1290-C
codeforces
1290-C
Prefix Enlightenment
https://codeforces.com/problemset/problem/1290/C
[ "dfs and similar", "dsu", "graphs" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2144 }
2026-11-02T05:37:07.883505+00:00
codeforces:1290-B
codeforces
1290-B
Irreducible Anagrams
https://codeforces.com/problemset/problem/1290/B
[ "binary search", "constructive algorithms", "data structures", "strings", "two pointers" ]
null
null
stdin_stdout
1,800
{ "solved_count": 7612 }
2026-11-02T05:37:07.883505+00:00
codeforces:1290-A
codeforces
1290-A
Mind Control
https://codeforces.com/problemset/problem/1290/A
[ "brute force", "data structures", "implementation" ]
null
null
stdin_stdout
1,600
{ "solved_count": 9076 }
2026-11-02T05:37:07.883505+00:00
codeforces:1288-F
codeforces
1288-F
Red-Blue Graph
https://codeforces.com/problemset/problem/1288/F
[ "constructive algorithms", "flows" ]
null
null
stdin_stdout
2,900
{ "solved_count": 780 }
2026-11-02T05:37:07.883505+00:00
codeforces:1288-E
codeforces
1288-E
Messenger Simulator
https://codeforces.com/problemset/problem/1288/E
[ "data structures" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4295 }
2026-11-02T05:37:07.883505+00:00
codeforces:1288-D
codeforces
1288-D
Minimax Problem
https://codeforces.com/problemset/problem/1288/D
[ "binary search", "bitmasks", "dp" ]
null
null
stdin_stdout
2,000
{ "solved_count": 8853 }
2026-11-02T05:37:07.883505+00:00
codeforces:1288-C
codeforces
1288-C
Two Arrays
https://codeforces.com/problemset/problem/1288/C
[ "combinatorics", "dp" ]
null
null
stdin_stdout
1,600
{ "solved_count": 16243 }
2026-11-02T05:37:07.883505+00:00
codeforces:1288-B
codeforces
1288-B
Yet Another Meme Problem
https://codeforces.com/problemset/problem/1288/B
[ "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 17965 }
2026-11-02T05:37:07.883505+00:00
codeforces:1288-A
codeforces
1288-A
Deadline
https://codeforces.com/problemset/problem/1288/A
[ "binary search", "brute force", "math", "ternary search" ]
null
null
stdin_stdout
1,100
{ "solved_count": 19634 }
2026-11-02T05:37:07.883505+00:00
codeforces:1287-B
codeforces
1287-B
Hyperset
https://codeforces.com/problemset/problem/1287/B
[ "brute force", "data structures", "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 9947 }
2026-11-02T05:37:07.883505+00:00
codeforces:1287-A
codeforces
1287-A
Angry Students
https://codeforces.com/problemset/problem/1287/A
[ "greedy", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 23324 }
2026-11-02T05:37:07.883505+00:00
codeforces:1286-F
codeforces
1286-F
Harry The Potter
https://codeforces.com/problemset/problem/1286/F
[ "brute force", "constructive algorithms", "dp", "fft", "implementation", "math" ]
null
null
stdin_stdout
3,100
{ "solved_count": 545 }
2026-11-02T05:37:07.883505+00:00
codeforces:1286-E
codeforces
1286-E
Fedya the Potter Strikes Back
https://codeforces.com/problemset/problem/1286/E
[ "data structures", "strings" ]
null
null
stdin_stdout
3,200
{ "solved_count": 755 }
2026-11-02T05:37:07.883505+00:00
codeforces:1286-D
codeforces
1286-D
LCC
https://codeforces.com/problemset/problem/1286/D
[ "data structures", "math", "matrices", "probabilities" ]
null
null
stdin_stdout
3,100
{ "solved_count": 931 }
2026-11-02T05:37:07.883505+00:00
codeforces:1286-C2
codeforces
1286-C2
Madhouse (Hard version)
https://codeforces.com/problemset/problem/1286/C2
[ "brute force", "constructive algorithms", "hashing", "interactive", "math" ]
null
null
stdin_stdout
2,800
{ "solved_count": 787 }
2026-11-02T05:37:07.883505+00:00
codeforces:1286-C1
codeforces
1286-C1
Madhouse (Easy version)
https://codeforces.com/problemset/problem/1286/C1
[ "brute force", "constructive algorithms", "interactive", "math" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1638 }
2026-11-02T05:37:07.883505+00:00
codeforces:1286-B
codeforces
1286-B
Numbers on Tree
https://codeforces.com/problemset/problem/1286/B
[ "constructive algorithms", "data structures", "dfs and similar", "graphs", "greedy", "trees" ]
null
null
stdin_stdout
1,800
{ "solved_count": 5847 }
2026-11-02T05:37:07.883505+00:00
codeforces:1286-A
codeforces
1286-A
Garland
https://codeforces.com/problemset/problem/1286/A
[ "dp", "greedy", "sortings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 9928 }
2026-11-02T05:37:07.883505+00:00
codeforces:1285-F
codeforces
1285-F
Classical?
https://codeforces.com/problemset/problem/1285/F
[ "binary search", "combinatorics", "number theory" ]
null
null
stdin_stdout
2,900
{ "solved_count": 1428 }
2026-11-02T05:37:07.883505+00:00
codeforces:1285-E
codeforces
1285-E
Delete a Segment
https://codeforces.com/problemset/problem/1285/E
[ "brute force", "constructive algorithms", "data structures", "dp", "graphs", "sortings", "trees", "two pointers" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2048 }
2026-11-02T05:37:07.883505+00:00
codeforces:1285-D
codeforces
1285-D
Dr. Evil Underscores
https://codeforces.com/problemset/problem/1285/D
[ "bitmasks", "brute force", "dfs and similar", "divide and conquer", "dp", "greedy", "strings", "trees" ]
null
null
stdin_stdout
1,900
{ "solved_count": 8937 }
2026-11-02T05:37:07.883505+00:00
codeforces:1285-C
codeforces
1285-C
Fadi and LCM
https://codeforces.com/problemset/problem/1285/C
[ "brute force", "math", "number theory" ]
null
null
stdin_stdout
1,400
{ "solved_count": 29538 }
2026-11-02T05:37:07.883505+00:00
codeforces:1285-B
codeforces
1285-B
Just Eat It!
https://codeforces.com/problemset/problem/1285/B
[ "dp", "greedy", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 33770 }
2026-11-02T05:37:07.883505+00:00
codeforces:1285-A
codeforces
1285-A
Mezo Playing Zoma
https://codeforces.com/problemset/problem/1285/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 30328 }
2026-11-02T05:37:07.883505+00:00
codeforces:1284-G
codeforces
1284-G
Seollal
https://codeforces.com/problemset/problem/1284/G
[ "graphs" ]
null
null
stdin_stdout
3,300
{ "solved_count": 243 }
2026-11-02T05:37:07.883505+00:00
codeforces:1284-F
codeforces
1284-F
New Year and Social Network
https://codeforces.com/problemset/problem/1284/F
[ "data structures", "graph matchings", "graphs", "math", "trees" ]
null
null
stdin_stdout
3,200
{ "solved_count": 432 }
2026-11-02T05:37:07.883505+00:00
codeforces:1284-E
codeforces
1284-E
New Year and Castle Construction
https://codeforces.com/problemset/problem/1284/E
[ "combinatorics", "geometry", "math", "sortings" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1449 }
2026-11-02T05:37:07.883505+00:00
codeforces:1284-D
codeforces
1284-D
New Year and Conference
https://codeforces.com/problemset/problem/1284/D
[ "binary search", "data structures", "hashing", "sortings" ]
null
null
stdin_stdout
2,100
{ "solved_count": 3473 }
2026-11-02T05:37:07.883505+00:00
codeforces:1284-C
codeforces
1284-C
New Year and Permutation
https://codeforces.com/problemset/problem/1284/C
[ "combinatorics", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 9070 }
2026-11-02T05:37:07.883505+00:00
codeforces:1284-B
codeforces
1284-B
New Year and Ascent Sequence
https://codeforces.com/problemset/problem/1284/B
[ "binary search", "combinatorics", "data structures", "dp", "implementation", "sortings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 11642 }
2026-11-02T05:37:07.883505+00:00
codeforces:1284-A
codeforces
1284-A
New Year and Naming
https://codeforces.com/problemset/problem/1284/A
[ "implementation", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 18642 }
2026-11-02T05:37:07.883505+00:00
codeforces:1283-F
codeforces
1283-F
DIY Garland
https://codeforces.com/problemset/problem/1283/F
[ "constructive algorithms", "greedy", "trees" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2190 }
2026-11-02T05:37:07.883505+00:00
codeforces:1283-E
codeforces
1283-E
New Year Parties
https://codeforces.com/problemset/problem/1283/E
[ "dp", "greedy" ]
null
null
stdin_stdout
1,800
{ "solved_count": 7593 }
2026-11-02T05:37:07.883505+00:00
codeforces:1283-D
codeforces
1283-D
Christmas Trees
https://codeforces.com/problemset/problem/1283/D
[ "graphs", "greedy", "shortest paths" ]
null
null
stdin_stdout
1,800
{ "solved_count": 10352 }
2026-11-02T05:37:07.883505+00:00
codeforces:1283-C
codeforces
1283-C
Friends and Gifts
https://codeforces.com/problemset/problem/1283/C
[ "constructive algorithms", "data structures", "math" ]
null
null
stdin_stdout
1,500
{ "solved_count": 14364 }
2026-11-02T05:37:07.883505+00:00
codeforces:1283-B
codeforces
1283-B
Candies Division
https://codeforces.com/problemset/problem/1283/B
[ "math" ]
null
null
stdin_stdout
900
{ "solved_count": 23329 }
2026-11-02T05:37:07.883505+00:00
codeforces:1283-A
codeforces
1283-A
Minutes Before the New Year
https://codeforces.com/problemset/problem/1283/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 63177 }
2026-11-02T05:37:07.883505+00:00
codeforces:1282-E
codeforces
1282-E
The Cake Is a Lie
https://codeforces.com/problemset/problem/1282/E
[ "constructive algorithms", "data structures", "dfs and similar", "graphs" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1257 }
2026-11-02T05:37:07.883505+00:00
codeforces:1282-D
codeforces
1282-D
Enchanted Artifact
https://codeforces.com/problemset/problem/1282/D
[ "constructive algorithms", "interactive", "strings" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2506 }
2026-11-02T05:37:07.883505+00:00
codeforces:1282-C
codeforces
1282-C
Petya and Exam
https://codeforces.com/problemset/problem/1282/C
[ "greedy", "sortings", "two pointers" ]
null
null
stdin_stdout
1,800
{ "solved_count": 4726 }
2026-11-02T05:37:07.883505+00:00
codeforces:1282-B2
codeforces
1282-B2
K for the Price of One (Hard Version)
https://codeforces.com/problemset/problem/1282/B2
[ "dp", "greedy", "sortings" ]
null
null
stdin_stdout
1,600
{ "solved_count": 11240 }
2026-11-02T05:37:07.883505+00:00
codeforces:1282-B1
codeforces
1282-B1
K for the Price of One (Easy Version)
https://codeforces.com/problemset/problem/1282/B1
[ "dp", "greedy", "sortings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 12298 }
2026-11-02T05:37:07.883505+00:00
codeforces:1282-A
codeforces
1282-A
Temporarily unavailable
https://codeforces.com/problemset/problem/1282/A
[ "implementation", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 15605 }
2026-11-02T05:37:07.883505+00:00
codeforces:1281-B
codeforces
1281-B
Azamon Web Services
https://codeforces.com/problemset/problem/1281/B
[ "greedy" ]
null
null
stdin_stdout
1,600
{ "solved_count": 8782 }
2026-11-02T05:37:07.883505+00:00
codeforces:1281-A
codeforces
1281-A
Suffix Three
https://codeforces.com/problemset/problem/1281/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 19051 }
2026-11-02T05:37:07.883505+00:00
codeforces:1280-F
codeforces
1280-F
Intergalactic Sliding Puzzle
https://codeforces.com/problemset/problem/1280/F
[ "combinatorics", "constructive algorithms", "math" ]
null
null
stdin_stdout
3,400
{ "solved_count": 116 }
2026-11-02T05:37:07.883505+00:00
codeforces:1280-E
codeforces
1280-E
Kirchhoff's Current Loss
https://codeforces.com/problemset/problem/1280/E
[ "math" ]
null
null
stdin_stdout
2,900
{ "solved_count": 275 }
2026-11-02T05:37:07.883505+00:00
codeforces:1280-D
codeforces
1280-D
Miss Punyverse
https://codeforces.com/problemset/problem/1280/D
[ "dp", "greedy", "trees" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1331 }
2026-11-02T05:37:07.883505+00:00
codeforces:1280-C
codeforces
1280-C
Jeremy Bearimy
https://codeforces.com/problemset/problem/1280/C
[ "dfs and similar", "graphs", "greedy", "trees" ]
null
null
stdin_stdout
2,000
{ "solved_count": 3146 }
2026-11-02T05:37:07.883505+00:00
codeforces:1280-B
codeforces
1280-B
Beingawesomeism
https://codeforces.com/problemset/problem/1280/B
[ "implementation", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 4232 }
2026-11-02T05:37:07.883505+00:00
codeforces:1280-A
codeforces
1280-A
Cut and Paste
https://codeforces.com/problemset/problem/1280/A
[ "implementation", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 5925 }
2026-11-02T05:37:07.883505+00:00
codeforces:1279-F
codeforces
1279-F
New Year and Handle Change
https://codeforces.com/problemset/problem/1279/F
[ "binary search", "dp" ]
null
null
stdin_stdout
2,800
{ "solved_count": 1413 }
2026-11-02T05:37:07.883505+00:00