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value | difficulty_rating int64 800 3.5k ⌀ | stats dict | last_scraped_at stringclasses 2
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codeforces:292-E | codeforces | 292-E | Copying Data | https://codeforces.com/problemset/problem/292/E | [
"data structures"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 4942
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:292-D | codeforces | 292-D | Connected Components | https://codeforces.com/problemset/problem/292/D | [
"data structures",
"dfs and similar",
"dp",
"dsu"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 2783
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:292-C | codeforces | 292-C | Beautiful IP Addresses | https://codeforces.com/problemset/problem/292/C | [
"brute force"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 1312
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:292-B | codeforces | 292-B | Network Topology | https://codeforces.com/problemset/problem/292/B | [
"graphs",
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 10581
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:292-A | codeforces | 292-A | SMSC | https://codeforces.com/problemset/problem/292/A | [
"implementation"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 2887
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:291-E | codeforces | 291-E | Tree-String Problem | https://codeforces.com/problemset/problem/291/E | [
"*special",
"dfs and similar",
"hashing",
"strings"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 1598
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:291-D | codeforces | 291-D | Parallel Programming | https://codeforces.com/problemset/problem/291/D | [
"*special",
"greedy"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 1539
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:291-C | codeforces | 291-C | Network Mask | https://codeforces.com/problemset/problem/291/C | [
"*special",
"bitmasks",
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 1860
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:291-B | codeforces | 291-B | Command Line Arguments | https://codeforces.com/problemset/problem/291/B | [
"*special",
"implementation",
"strings"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 3087
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:291-A | codeforces | 291-A | Spyke Talks | https://codeforces.com/problemset/problem/291/A | [
"*special",
"implementation",
"sortings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 6497
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:290-F | codeforces | 290-F | Greedy Petya | https://codeforces.com/problemset/problem/290/F | [
"*special",
"dfs and similar",
"graphs",
"greedy"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 154
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:290-E | codeforces | 290-E | HQ | https://codeforces.com/problemset/problem/290/E | [
"*special",
"constructive algorithms"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 227
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:290-D | codeforces | 290-D | Orange | https://codeforces.com/problemset/problem/290/D | [
"*special",
"implementation"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 1905
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:290-C | codeforces | 290-C | WTF? | https://codeforces.com/problemset/problem/290/C | [
"*special",
"graph matchings",
"implementation",
"trees"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 1676
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:290-B | codeforces | 290-B | QR code | https://codeforces.com/problemset/problem/290/B | [
"*special",
"implementation"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 2620
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:290-A | codeforces | 290-A | Mysterious strings | https://codeforces.com/problemset/problem/290/A | [
"*special",
"implementation"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 3241
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:289-B | codeforces | 289-B | Polo the Penguin and Matrix | https://codeforces.com/problemset/problem/289/B | [
"brute force",
"dp",
"implementation",
"sortings",
"ternary search"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 19030
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:289-A | codeforces | 289-A | Polo the Penguin and Segments | https://codeforces.com/problemset/problem/289/A | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 10358
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:288-E | codeforces | 288-E | Polo the Penguin and Lucky Numbers | https://codeforces.com/problemset/problem/288/E | [
"dp",
"implementation",
"math"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 347
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:288-D | codeforces | 288-D | Polo the Penguin and Trees | https://codeforces.com/problemset/problem/288/D | [
"combinatorics",
"dfs and similar",
"trees"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 838
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:288-C | codeforces | 288-C | Polo the Penguin and XOR operation | https://codeforces.com/problemset/problem/288/C | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 2459
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:288-B | codeforces | 288-B | Polo the Penguin and Houses | https://codeforces.com/problemset/problem/288/B | [
"combinatorics"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 3222
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:288-A | codeforces | 288-A | Polo the Penguin and Strings | https://codeforces.com/problemset/problem/288/A | [
"greedy"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 6757
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:287-B | codeforces | 287-B | Pipeline | https://codeforces.com/problemset/problem/287/B | [
"binary search",
"math"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 11608
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:287-A | codeforces | 287-A | IQ Test | https://codeforces.com/problemset/problem/287/A | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 22050
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:286-E | codeforces | 286-E | Ladies' Shop | https://codeforces.com/problemset/problem/286/E | [
"constructive algorithms",
"fft",
"math"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 1022
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:286-D | codeforces | 286-D | Tourists | https://codeforces.com/problemset/problem/286/D | [
"data structures",
"sortings"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 458
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:286-C | codeforces | 286-C | Main Sequence | https://codeforces.com/problemset/problem/286/C | [
"greedy",
"implementation"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1602
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:286-B | codeforces | 286-B | Shifting | https://codeforces.com/problemset/problem/286/B | [
"implementation"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1174
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:286-A | codeforces | 286-A | Lucky Permutation | https://codeforces.com/problemset/problem/286/A | [
"constructive algorithms",
"math"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 3460
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:285-E | codeforces | 285-E | Positions in Permutations | https://codeforces.com/problemset/problem/285/E | [
"combinatorics",
"dp",
"math"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 1309
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:285-D | codeforces | 285-D | Permutation Sum | https://codeforces.com/problemset/problem/285/D | [
"bitmasks",
"combinatorics",
"dp",
"implementation",
"meet-in-the-middle"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 1682
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:285-C | codeforces | 285-C | Building Permutation | https://codeforces.com/problemset/problem/285/C | [
"greedy",
"implementation",
"sortings"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 26413
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:285-B | codeforces | 285-B | Find Marble | https://codeforces.com/problemset/problem/285/B | [
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 15710
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:285-A | codeforces | 285-A | Slightly Decreasing Permutations | https://codeforces.com/problemset/problem/285/A | [
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 14161
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:284-B | codeforces | 284-B | Cows and Poker Game | https://codeforces.com/problemset/problem/284/B | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 7384
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:284-A | codeforces | 284-A | Cows and Primitive Roots | https://codeforces.com/problemset/problem/284/A | [
"implementation",
"math",
"number theory"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 7373
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:283-E | codeforces | 283-E | Cow Tennis Tournament | https://codeforces.com/problemset/problem/283/E | [
"combinatorics",
"data structures",
"math"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 856
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:283-D | codeforces | 283-D | Cows and Cool Sequences | https://codeforces.com/problemset/problem/283/D | [
"dp",
"math",
"number theory"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 641
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:283-C | codeforces | 283-C | Coin Troubles | https://codeforces.com/problemset/problem/283/C | [
"dp"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1571
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:283-B | codeforces | 283-B | Cow Program | https://codeforces.com/problemset/problem/283/B | [
"dfs and similar",
"dp",
"graphs"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 3937
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:283-A | codeforces | 283-A | Cows and Sequence | https://codeforces.com/problemset/problem/283/A | [
"constructive algorithms",
"data structures",
"implementation"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 6877
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:282-E | codeforces | 282-E | Sausage Maximization | https://codeforces.com/problemset/problem/282/E | [
"bitmasks",
"data structures",
"trees"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 4399
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:282-D | codeforces | 282-D | Yet Another Number Game | https://codeforces.com/problemset/problem/282/D | [
"dp",
"games"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1630
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:282-C | codeforces | 282-C | XOR and OR | https://codeforces.com/problemset/problem/282/C | [
"constructive algorithms",
"implementation",
"math"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 10225
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:282-B | codeforces | 282-B | Painting Eggs | https://codeforces.com/problemset/problem/282/B | [
"greedy",
"math"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 14008
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:282-A | codeforces | 282-A | Bit++ | https://codeforces.com/problemset/problem/282/A | [
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 361755
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:281-B | codeforces | 281-B | Nearest Fraction | https://codeforces.com/problemset/problem/281/B | [
"brute force",
"implementation",
"two pointers"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 3421
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:281-A | codeforces | 281-A | Word Capitalization | https://codeforces.com/problemset/problem/281/A | [
"implementation",
"strings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 273113
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:280-E | codeforces | 280-E | Sequence Transformation | https://codeforces.com/problemset/problem/280/E | [
"brute force",
"data structures",
"dp",
"implementation",
"math"
] | null | null | stdin_stdout | 3,000 | {
"solved_count": 274
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:280-D | codeforces | 280-D | k-Maximum Subsequence Sum | https://codeforces.com/problemset/problem/280/D | [
"data structures",
"flows",
"graphs",
"implementation"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 1663
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:280-C | codeforces | 280-C | Game on Tree | https://codeforces.com/problemset/problem/280/C | [
"implementation",
"math",
"probabilities",
"trees"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 5219
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:280-B | codeforces | 280-B | Maximum Xor Secondary | https://codeforces.com/problemset/problem/280/B | [
"data structures",
"implementation",
"two pointers"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 5282
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:280-A | codeforces | 280-A | Rectangle Puzzle | https://codeforces.com/problemset/problem/280/A | [
"geometry"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 1587
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:279-E | codeforces | 279-E | Beautiful Decomposition | https://codeforces.com/problemset/problem/279/E | [
"dp",
"games",
"greedy",
"number theory"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 1610
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:279-D | codeforces | 279-D | The Minimum Number of Variables | https://codeforces.com/problemset/problem/279/D | [
"bitmasks",
"dp"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 856
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:279-C | codeforces | 279-C | Ladder | https://codeforces.com/problemset/problem/279/C | [
"dp",
"implementation",
"two pointers"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 8943
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:279-B | codeforces | 279-B | Books | https://codeforces.com/problemset/problem/279/B | [
"binary search",
"brute force",
"implementation",
"two pointers"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 73427
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:279-A | codeforces | 279-A | Point on Spiral | https://codeforces.com/problemset/problem/279/A | [
"brute force",
"geometry",
"implementation"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 5926
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:278-B | codeforces | 278-B | New Problem | https://codeforces.com/problemset/problem/278/B | [
"brute force",
"strings"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 3643
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:278-A | codeforces | 278-A | Circle Line | https://codeforces.com/problemset/problem/278/A | [
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 12846
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:277-E | codeforces | 277-E | Binary Tree on Plane | https://codeforces.com/problemset/problem/277/E | [
"flows",
"trees"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 1486
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:277-D | codeforces | 277-D | Google Code Jam | https://codeforces.com/problemset/problem/277/D | [
"dp",
"probabilities"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 373
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:277-C | codeforces | 277-C | Game | https://codeforces.com/problemset/problem/277/C | [
"games",
"implementation"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 494
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:277-B | codeforces | 277-B | Set of Points | https://codeforces.com/problemset/problem/277/B | [
"constructive algorithms",
"geometry"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 849
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:277-A | codeforces | 277-A | Learning Languages | https://codeforces.com/problemset/problem/277/A | [
"dfs and similar",
"dsu"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 21729
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:276-E | codeforces | 276-E | Little Girl and Problem on Trees | https://codeforces.com/problemset/problem/276/E | [
"data structures",
"graphs",
"trees"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1863
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:276-D | codeforces | 276-D | Little Girl and Maximum XOR | https://codeforces.com/problemset/problem/276/D | [
"bitmasks",
"dp",
"greedy",
"implementation",
"math"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 16472
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:276-C | codeforces | 276-C | Little Girl and Maximum Sum | https://codeforces.com/problemset/problem/276/C | [
"data structures",
"greedy",
"implementation",
"sortings"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 40113
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:276-B | codeforces | 276-B | Little Girl and Game | https://codeforces.com/problemset/problem/276/B | [
"games",
"greedy"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 32247
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:276-A | codeforces | 276-A | Lunch Rush | https://codeforces.com/problemset/problem/276/A | [
"implementation"
] | null | null | stdin_stdout | 900 | {
"solved_count": 30168
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:275-B | codeforces | 275-B | Convex Shape | https://codeforces.com/problemset/problem/275/B | [
"constructive algorithms",
"implementation"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 3058
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:275-A | codeforces | 275-A | Lights Out | https://codeforces.com/problemset/problem/275/A | [
"implementation"
] | null | null | stdin_stdout | 900 | {
"solved_count": 36678
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:274-E | codeforces | 274-E | Mirror Room | https://codeforces.com/problemset/problem/274/E | [
"data structures",
"implementation"
] | null | null | stdin_stdout | 3,000 | {
"solved_count": 343
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:274-D | codeforces | 274-D | Lovely Matrix | https://codeforces.com/problemset/problem/274/D | [
"dfs and similar",
"graphs",
"greedy",
"sortings"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1156
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:274-C | codeforces | 274-C | The Last Hole! | https://codeforces.com/problemset/problem/274/C | [
"brute force",
"geometry"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 376
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:274-B | codeforces | 274-B | Zero Tree | https://codeforces.com/problemset/problem/274/B | [
"dfs and similar",
"dp",
"greedy",
"trees"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 5595
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:274-A | codeforces | 274-A | k-Multiple Free Set | https://codeforces.com/problemset/problem/274/A | [
"binary search",
"greedy",
"sortings"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 10830
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:273-E | codeforces | 273-E | Dima and Game | https://codeforces.com/problemset/problem/273/E | [
"dp",
"games"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 402
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:273-D | codeforces | 273-D | Dima and Figure | https://codeforces.com/problemset/problem/273/D | [
"dp"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 480
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:272-E | codeforces | 272-E | Dima and Horses | https://codeforces.com/problemset/problem/272/E | [
"combinatorics",
"constructive algorithms",
"graphs"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1301
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:272-D | codeforces | 272-D | Dima and Two Sequences | https://codeforces.com/problemset/problem/272/D | [
"combinatorics",
"math",
"sortings"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 2837
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:272-C | codeforces | 272-C | Dima and Staircase | https://codeforces.com/problemset/problem/272/C | [
"data structures",
"implementation"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 7213
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:272-B | codeforces | 272-B | Dima and Sequence | https://codeforces.com/problemset/problem/272/B | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 4294
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:272-A | codeforces | 272-A | Dima and Friends | https://codeforces.com/problemset/problem/272/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 27791
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:271-E | codeforces | 271-E | Three Horses | https://codeforces.com/problemset/problem/271/E | [
"constructive algorithms",
"math",
"number theory"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 601
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:271-D | codeforces | 271-D | Good Substrings | https://codeforces.com/problemset/problem/271/D | [
"data structures",
"strings"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 14165
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:271-C | codeforces | 271-C | Secret | https://codeforces.com/problemset/problem/271/C | [
"constructive algorithms",
"implementation"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 3140
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:271-B | codeforces | 271-B | Prime Matrix | https://codeforces.com/problemset/problem/271/B | [
"binary search",
"brute force",
"math",
"number theory"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 15531
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:271-A | codeforces | 271-A | Beautiful Year | https://codeforces.com/problemset/problem/271/A | [
"brute force"
] | null | null | stdin_stdout | 800 | {
"solved_count": 179293
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:270-B | codeforces | 270-B | Multithreading | https://codeforces.com/problemset/problem/270/B | [
"data structures",
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 4451
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:270-A | codeforces | 270-A | Fancy Fence | https://codeforces.com/problemset/problem/270/A | [
"geometry",
"implementation",
"math"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 51034
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:269-E | codeforces | 269-E | String Theory | https://codeforces.com/problemset/problem/269/E | [
"geometry",
"math",
"strings"
] | null | null | stdin_stdout | 3,100 | {
"solved_count": 118
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:269-D | codeforces | 269-D | Maximum Waterfall | https://codeforces.com/problemset/problem/269/D | [
"data structures",
"dp",
"graphs",
"sortings"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 496
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:269-C | codeforces | 269-C | Flawed Flow | https://codeforces.com/problemset/problem/269/C | [
"constructive algorithms",
"flows",
"graphs",
"greedy"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1821
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:269-B | codeforces | 269-B | Greenhouse Effect | https://codeforces.com/problemset/problem/269/B | [
"dp"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 7032
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:269-A | codeforces | 269-A | Magical Boxes | https://codeforces.com/problemset/problem/269/A | [
"greedy",
"math"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 3703
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:268-E | codeforces | 268-E | Playlist | https://codeforces.com/problemset/problem/268/E | [
"math",
"probabilities",
"sortings"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1141
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:268-D | codeforces | 268-D | Wall Bars | https://codeforces.com/problemset/problem/268/D | [
"dp"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 577
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:268-C | codeforces | 268-C | Beautiful Sets of Points | https://codeforces.com/problemset/problem/268/C | [
"constructive algorithms",
"implementation"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 14681
} | 2026-06-01T05:00:40.145500+00:00 |
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