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value | difficulty_rating int64 800 3.5k ⌀ | stats dict | last_scraped_at stringclasses 2
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|---|---|---|---|---|---|---|---|---|---|---|---|
codeforces:301-B | codeforces | 301-B | Yaroslav and Time | https://codeforces.com/problemset/problem/301/B | [
"binary search",
"graphs",
"shortest paths"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 2887
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:301-A | codeforces | 301-A | Yaroslav and Sequence | https://codeforces.com/problemset/problem/301/A | [
"constructive algorithms"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 3268
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:300-E | codeforces | 300-E | Empire Strikes Back | https://codeforces.com/problemset/problem/300/E | [
"binary search",
"math",
"number theory"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1140
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:300-D | codeforces | 300-D | Painting Square | https://codeforces.com/problemset/problem/300/D | [
"dp",
"fft"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 876
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:300-C | codeforces | 300-C | Beautiful Numbers | https://codeforces.com/problemset/problem/300/C | [
"brute force",
"combinatorics"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 12455
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:300-B | codeforces | 300-B | Coach | https://codeforces.com/problemset/problem/300/B | [
"brute force",
"dfs and similar",
"graphs"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 7335
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:300-A | codeforces | 300-A | Array | https://codeforces.com/problemset/problem/300/A | [
"brute force",
"constructive algorithms",
"implementation"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 28098
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:299-B | codeforces | 299-B | Ksusha the Squirrel | https://codeforces.com/problemset/problem/299/B | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 900 | {
"solved_count": 6589
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:299-A | codeforces | 299-A | Ksusha and Array | https://codeforces.com/problemset/problem/299/A | [
"brute force",
"number theory",
"sortings"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 9568
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:298-B | codeforces | 298-B | Sail | https://codeforces.com/problemset/problem/298/B | [
"brute force",
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 15974
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:298-A | codeforces | 298-A | Snow Footprints | https://codeforces.com/problemset/problem/298/A | [
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 11770
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:297-E | codeforces | 297-E | Mystic Carvings | https://codeforces.com/problemset/problem/297/E | [
"data structures"
] | null | null | stdin_stdout | 3,000 | {
"solved_count": 453
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:297-D | codeforces | 297-D | Color the Carpet | https://codeforces.com/problemset/problem/297/D | [
"constructive algorithms"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 654
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:297-C | codeforces | 297-C | Splitting the Uniqueness | https://codeforces.com/problemset/problem/297/C | [
"constructive algorithms"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 1034
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:297-B | codeforces | 297-B | Fish Weight | https://codeforces.com/problemset/problem/297/B | [
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 3782
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:297-A | codeforces | 297-A | Parity Game | https://codeforces.com/problemset/problem/297/A | [
"constructive algorithms"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 3881
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:296-B | codeforces | 296-B | Yaroslav and Two Strings | https://codeforces.com/problemset/problem/296/B | [
"combinatorics",
"dp"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 2757
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:296-A | codeforces | 296-A | Yaroslav and Permutations | https://codeforces.com/problemset/problem/296/A | [
"greedy",
"math"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 26409
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:295-E | codeforces | 295-E | Yaroslav and Points | https://codeforces.com/problemset/problem/295/E | [
"data structures"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 872
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:295-D | codeforces | 295-D | Greg and Caves | https://codeforces.com/problemset/problem/295/D | [
"combinatorics",
"dp"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 764
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:295-C | codeforces | 295-C | Greg and Friends | https://codeforces.com/problemset/problem/295/C | [
"combinatorics",
"dp",
"graphs",
"shortest paths"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1985
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:295-B | codeforces | 295-B | Greg and Graph | https://codeforces.com/problemset/problem/295/B | [
"dp",
"graphs",
"shortest paths"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 18656
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:295-A | codeforces | 295-A | Greg and Array | https://codeforces.com/problemset/problem/295/A | [
"data structures",
"implementation"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 27563
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:294-E | codeforces | 294-E | Shaass the Great | https://codeforces.com/problemset/problem/294/E | [
"dp",
"trees"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1201
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:294-D | codeforces | 294-D | Shaass and Painter Robot | https://codeforces.com/problemset/problem/294/D | [
"brute force",
"implementation",
"number theory"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 416
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:294-C | codeforces | 294-C | Shaass and Lights | https://codeforces.com/problemset/problem/294/C | [
"combinatorics",
"number theory"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 4483
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:294-B | codeforces | 294-B | Shaass and Bookshelf | https://codeforces.com/problemset/problem/294/B | [
"dp",
"greedy"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 5094
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:294-A | codeforces | 294-A | Shaass and Oskols | https://codeforces.com/problemset/problem/294/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 28872
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:293-E | codeforces | 293-E | Close Vertices | https://codeforces.com/problemset/problem/293/E | [
"data structures",
"divide and conquer",
"trees"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 2130
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:293-D | codeforces | 293-D | Ksusha and Square | https://codeforces.com/problemset/problem/293/D | [
"geometry",
"math",
"probabilities",
"two pointers"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 287
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:293-C | codeforces | 293-C | Cube Problem | https://codeforces.com/problemset/problem/293/C | [
"brute force",
"math",
"number theory"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 700
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:293-B | codeforces | 293-B | Distinct Paths | https://codeforces.com/problemset/problem/293/B | [
"brute force",
"combinatorics"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 999
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:293-A | codeforces | 293-A | Weird Game | https://codeforces.com/problemset/problem/293/A | [
"games",
"greedy"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 3228
} | 2026-08-10T02:20:32.917453+00:00 |
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": 5052
} | 2026-08-10T02:20:32.917453+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": 2829
} | 2026-08-10T02:20:32.917453+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": 1338
} | 2026-08-10T02:20:32.917453+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": 10858
} | 2026-08-10T02:20:32.917453+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": 2902
} | 2026-08-10T02:20:32.917453+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": 1647
} | 2026-08-10T02:20:32.917453+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": 1542
} | 2026-08-10T02:20:32.917453+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": 1888
} | 2026-08-10T02:20:32.917453+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": 3095
} | 2026-08-10T02:20:32.917453+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": 6546
} | 2026-08-10T02:20:32.917453+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": 159
} | 2026-08-10T02:20:32.917453+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": 238
} | 2026-08-10T02:20:32.917453+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": 1914
} | 2026-08-10T02:20:32.917453+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": 1684
} | 2026-08-10T02:20:32.917453+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": 2631
} | 2026-08-10T02:20:32.917453+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": 3255
} | 2026-08-10T02:20:32.917453+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": 19197
} | 2026-08-10T02:20:32.917453+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": 10469
} | 2026-08-10T02:20:32.917453+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": 408
} | 2026-08-10T02:20:32.917453+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": 863
} | 2026-08-10T02:20:32.917453+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": 2467
} | 2026-08-10T02:20:32.917453+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": 3244
} | 2026-08-10T02:20:32.917453+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": 6845
} | 2026-08-10T02:20:32.917453+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": 11875
} | 2026-08-10T02:20:32.917453+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": 22258
} | 2026-08-10T02:20:32.917453+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": 1084
} | 2026-08-10T02:20:32.917453+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": 501
} | 2026-08-10T02:20:32.917453+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": 1625
} | 2026-08-10T02:20:32.917453+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": 1192
} | 2026-08-10T02:20:32.917453+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": 3478
} | 2026-08-10T02:20:32.917453+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": 1400
} | 2026-08-10T02:20:32.917453+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": 1707
} | 2026-08-10T02:20:32.917453+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": 26623
} | 2026-08-10T02:20:32.917453+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": 15804
} | 2026-08-10T02:20:32.917453+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": 14239
} | 2026-08-10T02:20:32.917453+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": 7418
} | 2026-08-10T02:20:32.917453+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": 7446
} | 2026-08-10T02:20:32.917453+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": 956
} | 2026-08-10T02:20:32.917453+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": 718
} | 2026-08-10T02:20:32.917453+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": 1612
} | 2026-08-10T02:20:32.917453+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": 3967
} | 2026-08-10T02:20:32.917453+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": 6923
} | 2026-08-10T02:20:32.917453+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": 4705
} | 2026-08-10T02:20:32.917453+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": 1688
} | 2026-08-10T02:20:32.917453+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": 10311
} | 2026-08-10T02:20:32.917453+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": 14125
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:282-A | codeforces | 282-A | Bit++ | https://codeforces.com/problemset/problem/282/A | [
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 372309
} | 2026-08-10T02:20:32.917453+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": 3448
} | 2026-08-10T02:20:32.917453+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": 279680
} | 2026-08-10T02:20:32.917453+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": 346
} | 2026-08-10T02:20:32.917453+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": 1761
} | 2026-08-10T02:20:32.917453+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": 5445
} | 2026-08-10T02:20:32.917453+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": 5357
} | 2026-08-10T02:20:32.917453+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": 1613
} | 2026-08-10T02:20:32.917453+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": 1633
} | 2026-08-10T02:20:32.917453+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": 887
} | 2026-08-10T02:20:32.917453+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": 9055
} | 2026-08-10T02:20:32.917453+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": 77502
} | 2026-08-10T02:20:32.917453+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": 5976
} | 2026-08-10T02:20:32.917453+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": 3655
} | 2026-08-10T02:20:32.917453+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": 12900
} | 2026-08-10T02:20:32.917453+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": 1524
} | 2026-08-10T02:20:32.917453+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": 443
} | 2026-08-10T02:20:32.917453+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": 512
} | 2026-08-10T02:20:32.917453+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": 864
} | 2026-08-10T02:20:32.917453+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": 22218
} | 2026-08-10T02:20:32.917453+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": 1932
} | 2026-08-10T02:20:32.917453+00:00 |
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