uid stringlengths 9 18 | source stringclasses 2
values | native_id stringlengths 3 7 | title stringlengths 2 64 | url stringlengths 36 49 | tags listlengths 0 11 | time_limit_ms null | memory_limit_mb null | io_type stringclasses 1
value | difficulty_rating int64 800 3.5k ⌀ | stats dict | last_scraped_at stringclasses 2
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|---|---|---|---|---|---|---|---|---|---|---|---|
codeforces:343-B | codeforces | 343-B | Alternating Current | https://codeforces.com/problemset/problem/343/B | [
"data structures",
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 18127
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:343-A | codeforces | 343-A | Rational Resistance | https://codeforces.com/problemset/problem/343/A | [
"math",
"number theory"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 10116
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:342-E | codeforces | 342-E | Xenia and Tree | https://codeforces.com/problemset/problem/342/E | [
"data structures",
"divide and conquer",
"trees"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 10979
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:342-D | codeforces | 342-D | Xenia and Dominoes | https://codeforces.com/problemset/problem/342/D | [
"bitmasks",
"dfs and similar",
"dp"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 569
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:342-C | codeforces | 342-C | Cupboard and Balloons | https://codeforces.com/problemset/problem/342/C | [
"geometry"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 1999
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:342-B | codeforces | 342-B | Xenia and Spies | https://codeforces.com/problemset/problem/342/B | [
"brute force",
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 4209
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:342-A | codeforces | 342-A | Xenia and Divisors | https://codeforces.com/problemset/problem/342/A | [
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 13912
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:341-E | codeforces | 341-E | Candies Game | https://codeforces.com/problemset/problem/341/E | [
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 3,000 | {
"solved_count": 580
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:341-D | codeforces | 341-D | Iahub and Xors | https://codeforces.com/problemset/problem/341/D | [
"data structures"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 1386
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:340-E | codeforces | 340-E | Iahub and Permutations | https://codeforces.com/problemset/problem/340/E | [
"combinatorics",
"math"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 2760
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:340-D | codeforces | 340-D | Bubble Sort Graph | https://codeforces.com/problemset/problem/340/D | [
"binary search",
"data structures",
"dp"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 7936
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:340-C | codeforces | 340-C | Tourist Problem | https://codeforces.com/problemset/problem/340/C | [
"combinatorics",
"implementation",
"math"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 4695
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:340-B | codeforces | 340-B | Maximal Area Quadrilateral | https://codeforces.com/problemset/problem/340/B | [
"brute force",
"geometry"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 2331
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:340-A | codeforces | 340-A | The Wall | https://codeforces.com/problemset/problem/340/A | [
"math"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 8353
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:339-E | codeforces | 339-E | Three Swaps | https://codeforces.com/problemset/problem/339/E | [
"constructive algorithms",
"dfs and similar",
"greedy"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 585
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:339-D | codeforces | 339-D | Xenia and Bit Operations | https://codeforces.com/problemset/problem/339/D | [
"data structures",
"trees"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 32842
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:339-C | codeforces | 339-C | Xenia and Weights | https://codeforces.com/problemset/problem/339/C | [
"constructive algorithms",
"dfs and similar",
"dp",
"graphs",
"greedy",
"shortest paths"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 8774
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:339-B | codeforces | 339-B | Xenia and Ringroad | https://codeforces.com/problemset/problem/339/B | [
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 81945
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:339-A | codeforces | 339-A | Helpful Maths | https://codeforces.com/problemset/problem/339/A | [
"greedy",
"implementation",
"sortings",
"strings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 277747
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:338-E | codeforces | 338-E | Optimize! | https://codeforces.com/problemset/problem/338/E | [
"data structures"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 1188
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:338-D | codeforces | 338-D | GCD Table | https://codeforces.com/problemset/problem/338/D | [
"chinese remainder theorem",
"math",
"number theory"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 1412
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:337-E | codeforces | 337-E | Divisor Tree | https://codeforces.com/problemset/problem/337/E | [
"brute force",
"number theory",
"trees"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1133
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:337-D | codeforces | 337-D | Book of Evil | https://codeforces.com/problemset/problem/337/D | [
"dfs and similar",
"divide and conquer",
"dp",
"trees"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 6954
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:337-C | codeforces | 337-C | Quiz | https://codeforces.com/problemset/problem/337/C | [
"binary search",
"greedy",
"math",
"matrices",
"number theory"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 5241
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:337-B | codeforces | 337-B | Routine Problem | https://codeforces.com/problemset/problem/337/B | [
"greedy",
"math",
"number theory"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 10086
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:337-A | codeforces | 337-A | Puzzles | https://codeforces.com/problemset/problem/337/A | [
"greedy"
] | null | null | stdin_stdout | 900 | {
"solved_count": 95515
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:336-E | codeforces | 336-E | Vasily the Bear and Painting Square | https://codeforces.com/problemset/problem/336/E | [
"bitmasks",
"combinatorics",
"dp",
"implementation"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 126
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:336-D | codeforces | 336-D | Vasily the Bear and Beautiful Strings | https://codeforces.com/problemset/problem/336/D | [
"combinatorics",
"math",
"number theory"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1215
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:336-C | codeforces | 336-C | Vasily the Bear and Sequence | https://codeforces.com/problemset/problem/336/C | [
"brute force",
"greedy",
"implementation",
"number theory"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 2661
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:336-B | codeforces | 336-B | Vasily the Bear and Fly | https://codeforces.com/problemset/problem/336/B | [
"math"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 1372
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:336-A | codeforces | 336-A | Vasily the Bear and Triangle | https://codeforces.com/problemset/problem/336/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 10703
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:335-F | codeforces | 335-F | Buy One, Get One Free | https://codeforces.com/problemset/problem/335/F | [
"dp",
"greedy"
] | null | null | stdin_stdout | 3,000 | {
"solved_count": 742
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:335-E | codeforces | 335-E | Counting Skyscrapers | https://codeforces.com/problemset/problem/335/E | [
"dp",
"math",
"probabilities"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 241
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:335-D | codeforces | 335-D | Rectangles and Square | https://codeforces.com/problemset/problem/335/D | [
"brute force",
"dp"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 350
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:335-C | codeforces | 335-C | More Reclamation | https://codeforces.com/problemset/problem/335/C | [
"games"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 607
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:335-B | codeforces | 335-B | Palindrome | https://codeforces.com/problemset/problem/335/B | [
"constructive algorithms",
"dp"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 2381
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:335-A | codeforces | 335-A | Banana | https://codeforces.com/problemset/problem/335/A | [
"binary search",
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 2850
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:334-B | codeforces | 334-B | Eight Point Sets | https://codeforces.com/problemset/problem/334/B | [
"sortings"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 3879
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:334-A | codeforces | 334-A | Candy Bags | https://codeforces.com/problemset/problem/334/A | [
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 20058
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:333-E | codeforces | 333-E | Summer Earnings | https://codeforces.com/problemset/problem/333/E | [
"binary search",
"bitmasks",
"brute force",
"geometry",
"sortings"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 1251
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:333-D | codeforces | 333-D | Characteristics of Rectangles | https://codeforces.com/problemset/problem/333/D | [
"binary search",
"bitmasks",
"brute force",
"implementation",
"sortings"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 2243
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:333-C | codeforces | 333-C | Lucky Tickets | https://codeforces.com/problemset/problem/333/C | [
"brute force",
"constructive algorithms"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 420
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:333-B | codeforces | 333-B | Chips | https://codeforces.com/problemset/problem/333/B | [
"greedy"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 2765
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:333-A | codeforces | 333-A | Secrets | https://codeforces.com/problemset/problem/333/A | [
"greedy"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 4267
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:332-E | codeforces | 332-E | Binary Key | https://codeforces.com/problemset/problem/332/E | [
"dp",
"greedy",
"implementation"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 334
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:332-D | codeforces | 332-D | Theft of Blueprints | https://codeforces.com/problemset/problem/332/D | [
"graphs",
"math"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 419
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:332-C | codeforces | 332-C | Students' Revenge | https://codeforces.com/problemset/problem/332/C | [
"data structures",
"greedy",
"sortings"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1030
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:332-B | codeforces | 332-B | Maximum Absurdity | https://codeforces.com/problemset/problem/332/B | [
"data structures",
"dp",
"implementation"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 8729
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:332-A | codeforces | 332-A | Down the Hatch! | https://codeforces.com/problemset/problem/332/A | [
"implementation"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 3732
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:331-E2 | codeforces | 331-E2 | Deja Vu | https://codeforces.com/problemset/problem/331/E2 | [
"constructive algorithms",
"dp"
] | null | null | stdin_stdout | 3,100 | {
"solved_count": 237
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:331-E1 | codeforces | 331-E1 | Deja Vu | https://codeforces.com/problemset/problem/331/E1 | [
"constructive algorithms",
"graphs",
"implementation"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 218
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:331-D3 | codeforces | 331-D3 | Escaping on Beaveractor | https://codeforces.com/problemset/problem/331/D3 | [
"data structures",
"implementation",
"trees"
] | null | null | stdin_stdout | 3,000 | {
"solved_count": 204
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:331-D2 | codeforces | 331-D2 | Escaping on Beaveractor | https://codeforces.com/problemset/problem/331/D2 | [
"graphs"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 160
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:331-D1 | codeforces | 331-D1 | Escaping on Beaveractor | https://codeforces.com/problemset/problem/331/D1 | [
"dfs and similar",
"implementation"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 224
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:331-C3 | codeforces | 331-C3 | The Great Julya Calendar | https://codeforces.com/problemset/problem/331/C3 | [
"dp"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 627
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:331-C2 | codeforces | 331-C2 | The Great Julya Calendar | https://codeforces.com/problemset/problem/331/C2 | [
"dp"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 443
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:331-C1 | codeforces | 331-C1 | The Great Julya Calendar | https://codeforces.com/problemset/problem/331/C1 | [
"dp"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 7102
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:331-B2 | codeforces | 331-B2 | Shave Beaver! | https://codeforces.com/problemset/problem/331/B2 | [
"data structures"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 834
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:331-B1 | codeforces | 331-B1 | Shave Beaver! | https://codeforces.com/problemset/problem/331/B1 | [
"implementation"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 813
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:331-A2 | codeforces | 331-A2 | Oh Sweet Beaverette | https://codeforces.com/problemset/problem/331/A2 | [
"data structures",
"sortings"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 1547
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:331-A1 | codeforces | 331-A1 | Oh Sweet Beaverette | https://codeforces.com/problemset/problem/331/A1 | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 1528
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:330-B | codeforces | 330-B | Road Construction | https://codeforces.com/problemset/problem/330/B | [
"constructive algorithms",
"graphs"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 19505
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:330-A | codeforces | 330-A | Cakeminator | https://codeforces.com/problemset/problem/330/A | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 31560
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:329-E | codeforces | 329-E | Evil | https://codeforces.com/problemset/problem/329/E | [
"math"
] | null | null | stdin_stdout | 3,100 | {
"solved_count": 183
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:329-D | codeforces | 329-D | The Evil Temple and the Moving Rocks | https://codeforces.com/problemset/problem/329/D | [
"constructive algorithms"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 436
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:329-C | codeforces | 329-C | Graph Reconstruction | https://codeforces.com/problemset/problem/329/C | [
"constructive algorithms"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 1011
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:329-B | codeforces | 329-B | Biridian Forest | https://codeforces.com/problemset/problem/329/B | [
"dfs and similar",
"shortest paths"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 7565
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:329-A | codeforces | 329-A | Purification | https://codeforces.com/problemset/problem/329/A | [
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 4810
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:328-B | codeforces | 328-B | Sheldon and Ice Pieces | https://codeforces.com/problemset/problem/328/B | [
"greedy"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 1571
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:328-A | codeforces | 328-A | IQ Test | https://codeforces.com/problemset/problem/328/A | [
"implementation"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 2400
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:327-E | codeforces | 327-E | Axis Walking | https://codeforces.com/problemset/problem/327/E | [
"bitmasks",
"combinatorics",
"constructive algorithms",
"dp",
"meet-in-the-middle"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1585
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:327-D | codeforces | 327-D | Block Tower | https://codeforces.com/problemset/problem/327/D | [
"constructive algorithms",
"dfs and similar",
"graphs"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 2500
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:327-C | codeforces | 327-C | Magic Five | https://codeforces.com/problemset/problem/327/C | [
"combinatorics",
"math"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 3681
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:327-B | codeforces | 327-B | Hungry Sequence | https://codeforces.com/problemset/problem/327/B | [
"math"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 21694
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:327-A | codeforces | 327-A | Flipping Game | https://codeforces.com/problemset/problem/327/A | [
"brute force",
"dp",
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 50298
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:325-E | codeforces | 325-E | The Red Button | https://codeforces.com/problemset/problem/325/E | [
"combinatorics",
"dfs and similar",
"dsu",
"graphs",
"greedy"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 959
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:325-D | codeforces | 325-D | Reclamation | https://codeforces.com/problemset/problem/325/D | [
"dsu"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 579
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:325-C | codeforces | 325-C | Monsters and Diamonds | https://codeforces.com/problemset/problem/325/C | [
"dfs and similar",
"graphs",
"shortest paths"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 453
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:325-B | codeforces | 325-B | Stadium and Games | https://codeforces.com/problemset/problem/325/B | [
"binary search",
"math"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 1675
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:325-A | codeforces | 325-A | Square and Rectangles | https://codeforces.com/problemset/problem/325/A | [
"implementation"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 2304
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:323-C | codeforces | 323-C | Two permutations | https://codeforces.com/problemset/problem/323/C | [
"data structures"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 679
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:323-B | codeforces | 323-B | Tournament-graph | https://codeforces.com/problemset/problem/323/B | [
"constructive algorithms",
"graphs"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 472
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:323-A | codeforces | 323-A | Black-and-White Cube | https://codeforces.com/problemset/problem/323/A | [
"combinatorics",
"constructive algorithms"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 971
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:322-B | codeforces | 322-B | Ciel and Flowers | https://codeforces.com/problemset/problem/322/B | [
"combinatorics",
"math"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 13239
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:322-A | codeforces | 322-A | Ciel and Dancing | https://codeforces.com/problemset/problem/322/A | [
"greedy"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 8967
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:321-E | codeforces | 321-E | Ciel and Gondolas | https://codeforces.com/problemset/problem/321/E | [
"data structures",
"divide and conquer",
"dp"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 6307
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:321-D | codeforces | 321-D | Ciel and Flipboard | https://codeforces.com/problemset/problem/321/D | [
"dp",
"greedy",
"math"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 595
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:321-C | codeforces | 321-C | Ciel the Commander | https://codeforces.com/problemset/problem/321/C | [
"constructive algorithms",
"dfs and similar",
"divide and conquer",
"greedy",
"trees"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 9485
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:321-B | codeforces | 321-B | Ciel and Duel | https://codeforces.com/problemset/problem/321/B | [
"dp",
"flows",
"greedy"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 3864
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:321-A | codeforces | 321-A | Ciel and Robot | https://codeforces.com/problemset/problem/321/A | [
"binary search",
"implementation",
"math"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 3907
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:320-B | codeforces | 320-B | Ping-Pong (Easy Version) | https://codeforces.com/problemset/problem/320/B | [
"dfs and similar",
"graphs"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 7797
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:320-A | codeforces | 320-A | Magic Numbers | https://codeforces.com/problemset/problem/320/A | [
"brute force",
"greedy"
] | null | null | stdin_stdout | 900 | {
"solved_count": 45632
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:319-E | codeforces | 319-E | Ping-Pong | https://codeforces.com/problemset/problem/319/E | [
"data structures"
] | null | null | stdin_stdout | 3,000 | {
"solved_count": 739
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:319-D | codeforces | 319-D | Have You Ever Heard About the Word? | https://codeforces.com/problemset/problem/319/D | [
"greedy",
"hashing",
"string suffix structures",
"strings"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 778
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:319-C | codeforces | 319-C | Kalila and Dimna in the Logging Industry | https://codeforces.com/problemset/problem/319/C | [
"dp",
"geometry"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 6646
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:319-B | codeforces | 319-B | Psychos in a Line | https://codeforces.com/problemset/problem/319/B | [
"data structures",
"implementation"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 4770
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:319-A | codeforces | 319-A | Malek Dance Club | https://codeforces.com/problemset/problem/319/A | [
"combinatorics",
"math"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 3030
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:318-B | codeforces | 318-B | Strings of Power | https://codeforces.com/problemset/problem/318/B | [
"implementation",
"strings",
"two pointers"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 8324
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:318-A | codeforces | 318-A | Even Odds | https://codeforces.com/problemset/problem/318/A | [
"math"
] | null | null | stdin_stdout | 900 | {
"solved_count": 144170
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:317-E | codeforces | 317-E | Princess and Her Shadow | https://codeforces.com/problemset/problem/317/E | [
"constructive algorithms",
"shortest paths"
] | null | null | stdin_stdout | 3,100 | {
"solved_count": 172
} | 2026-06-01T05:00:40.145500+00:00 |
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