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:1854-A1 | codeforces | 1854-A1 | Dual (Easy Version) | https://codeforces.com/problemset/problem/1854/A1 | [
"constructive algorithms",
"math"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 15932
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1853-B | codeforces | 1853-B | Fibonaccharsis | https://codeforces.com/problemset/problem/1853/B | [
"binary search",
"brute force",
"math"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 19819
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1853-A | codeforces | 1853-A | Desorting | https://codeforces.com/problemset/problem/1853/A | [
"brute force",
"greedy",
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 57303
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1852-F | codeforces | 1852-F | Panda Meetups | https://codeforces.com/problemset/problem/1852/F | [
"data structures",
"dp",
"flows"
] | null | null | stdin_stdout | 3,500 | {
"solved_count": 147
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1852-E | codeforces | 1852-E | Rivalries | https://codeforces.com/problemset/problem/1852/E | [
"constructive algorithms",
"data structures",
"greedy"
] | null | null | stdin_stdout | 3,400 | {
"solved_count": 227
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1852-D | codeforces | 1852-D | Miriany and Matchstick | https://codeforces.com/problemset/problem/1852/D | [
"constructive algorithms",
"dp",
"greedy"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 606
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1852-C | codeforces | 1852-C | Ina of the Mountain | https://codeforces.com/problemset/problem/1852/C | [
"data structures",
"dp",
"greedy",
"math"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 2105
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1852-B | codeforces | 1852-B | Imbalanced Arrays | https://codeforces.com/problemset/problem/1852/B | [
"constructive algorithms",
"graphs",
"greedy",
"math",
"sortings",
"two pointers"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 5482
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1852-A | codeforces | 1852-A | Ntarsis' Set | https://codeforces.com/problemset/problem/1852/A | [
"binary search",
"math",
"number theory"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 9274
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1851-G | codeforces | 1851-G | Vlad and the Mountains | https://codeforces.com/problemset/problem/1851/G | [
"binary search",
"data structures",
"dsu",
"graphs",
"implementation",
"sortings",
"trees",
"two pointers"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 4076
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1851-F | codeforces | 1851-F | Lisa and the Martians | https://codeforces.com/problemset/problem/1851/F | [
"bitmasks",
"greedy",
"math",
"strings",
"trees"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 7609
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1851-E | codeforces | 1851-E | Nastya and Potions | https://codeforces.com/problemset/problem/1851/E | [
"dfs and similar",
"dp",
"graphs",
"sortings"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 13363
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1851-D | codeforces | 1851-D | Prefix Permutation Sums | https://codeforces.com/problemset/problem/1851/D | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 17380
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1851-C | codeforces | 1851-C | Tiles Comeback | https://codeforces.com/problemset/problem/1851/C | [
"greedy"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 25951
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1851-B | codeforces | 1851-B | Parity Sort | https://codeforces.com/problemset/problem/1851/B | [
"greedy",
"sortings",
"two pointers"
] | null | null | stdin_stdout | 800 | {
"solved_count": 32558
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1851-A | codeforces | 1851-A | Escalator Conversations | https://codeforces.com/problemset/problem/1851/A | [
"brute force",
"constructive algorithms",
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 31575
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1850-H | codeforces | 1850-H | The Third Letter | https://codeforces.com/problemset/problem/1850/H | [
"dfs and similar",
"dsu",
"graphs",
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 10051
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1850-G | codeforces | 1850-G | The Morning Star | https://codeforces.com/problemset/problem/1850/G | [
"combinatorics",
"data structures",
"geometry",
"implementation",
"math",
"sortings"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 15558
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1850-F | codeforces | 1850-F | We Were Both Children | https://codeforces.com/problemset/problem/1850/F | [
"brute force",
"implementation",
"math",
"number theory"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 24803
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1850-E | codeforces | 1850-E | Cardboard for Pictures | https://codeforces.com/problemset/problem/1850/E | [
"binary search",
"geometry",
"implementation",
"math"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 35590
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1850-D | codeforces | 1850-D | Balanced Round | https://codeforces.com/problemset/problem/1850/D | [
"brute force",
"greedy",
"implementation",
"sortings"
] | null | null | stdin_stdout | 900 | {
"solved_count": 61927
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1850-C | codeforces | 1850-C | Word on the Paper | https://codeforces.com/problemset/problem/1850/C | [
"implementation",
"strings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 53867
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1850-B | codeforces | 1850-B | Ten Words of Wisdom | https://codeforces.com/problemset/problem/1850/B | [
"implementation",
"sortings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 50612
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1850-A | codeforces | 1850-A | To My Critics | https://codeforces.com/problemset/problem/1850/A | [
"implementation",
"sortings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 74647
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1849-F | codeforces | 1849-F | XOR Partition | https://codeforces.com/problemset/problem/1849/F | [
"binary search",
"bitmasks",
"data structures",
"divide and conquer",
"greedy",
"trees"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 887
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1849-E | codeforces | 1849-E | Max to the Right of Min | https://codeforces.com/problemset/problem/1849/E | [
"binary search",
"data structures",
"divide and conquer",
"dp",
"dsu",
"two pointers"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 2203
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1849-D | codeforces | 1849-D | Array Painting | https://codeforces.com/problemset/problem/1849/D | [
"constructive algorithms",
"greedy",
"two pointers"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 10365
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1849-C | codeforces | 1849-C | Binary String Copying | https://codeforces.com/problemset/problem/1849/C | [
"binary search",
"brute force",
"data structures",
"hashing",
"strings"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 12588
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1849-B | codeforces | 1849-B | Monsters | https://codeforces.com/problemset/problem/1849/B | [
"greedy",
"math",
"sortings"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 45254
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1849-A | codeforces | 1849-A | Morning Sandwich | https://codeforces.com/problemset/problem/1849/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 32188
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1848-F | codeforces | 1848-F | Vika and Wiki | https://codeforces.com/problemset/problem/1848/F | [
"binary search",
"bitmasks",
"combinatorics",
"divide and conquer",
"dp",
"math"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 2051
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1848-E | codeforces | 1848-E | Vika and Stone Skipping | https://codeforces.com/problemset/problem/1848/E | [
"brute force",
"implementation",
"math",
"number theory"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 933
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1848-D | codeforces | 1848-D | Vika and Bonuses | https://codeforces.com/problemset/problem/1848/D | [
"binary search",
"brute force",
"math",
"ternary search"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 2985
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1848-C | codeforces | 1848-C | Vika and Price Tags | https://codeforces.com/problemset/problem/1848/C | [
"math",
"number theory"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 7198
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1848-B | codeforces | 1848-B | Vika and the Bridge | https://codeforces.com/problemset/problem/1848/B | [
"binary search",
"data structures",
"greedy",
"implementation",
"math",
"sortings"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 24934
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1848-A | codeforces | 1848-A | Vika and Her Friends | https://codeforces.com/problemset/problem/1848/A | [
"games",
"math"
] | null | null | stdin_stdout | 900 | {
"solved_count": 18443
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1847-F | codeforces | 1847-F | The Boss's Identity | https://codeforces.com/problemset/problem/1847/F | [
"binary search",
"bitmasks",
"data structures",
"dfs and similar",
"greedy",
"math",
"sortings"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 1033
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1847-E | codeforces | 1847-E | Triangle Platinum? | https://codeforces.com/problemset/problem/1847/E | [
"brute force",
"combinatorics",
"implementation",
"interactive",
"math",
"probabilities"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 373
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1847-D | codeforces | 1847-D | Professor Higashikata | https://codeforces.com/problemset/problem/1847/D | [
"data structures",
"dsu",
"greedy",
"implementation",
"strings"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 4277
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1847-C | codeforces | 1847-C | Vampiric Powers, anyone? | https://codeforces.com/problemset/problem/1847/C | [
"bitmasks",
"brute force",
"dp",
"greedy"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 14827
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1847-B | codeforces | 1847-B | Hamon Odyssey | https://codeforces.com/problemset/problem/1847/B | [
"bitmasks",
"greedy",
"two pointers"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 22353
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1847-A | codeforces | 1847-A | The Man who became a God | https://codeforces.com/problemset/problem/1847/A | [
"greedy",
"sortings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 22924
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1846-G | codeforces | 1846-G | Rudolf and CodeVid-23 | https://codeforces.com/problemset/problem/1846/G | [
"bitmasks",
"dp",
"graphs",
"greedy",
"shortest paths"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 5743
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1846-F | codeforces | 1846-F | Rudolph and Mimic | https://codeforces.com/problemset/problem/1846/F | [
"constructive algorithms",
"implementation",
"interactive"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 3741
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1846-E2 | codeforces | 1846-E2 | Rudolf and Snowflakes (hard version) | https://codeforces.com/problemset/problem/1846/E2 | [
"binary search",
"brute force",
"implementation",
"math"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 8584
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1846-E1 | codeforces | 1846-E1 | Rudolf and Snowflakes (simple version) | https://codeforces.com/problemset/problem/1846/E1 | [
"brute force",
"implementation",
"math"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 25623
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1846-D | codeforces | 1846-D | Rudolph and Christmas Tree | https://codeforces.com/problemset/problem/1846/D | [
"constructive algorithms",
"geometry",
"math"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 22582
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1846-C | codeforces | 1846-C | Rudolf and the Another Competition | https://codeforces.com/problemset/problem/1846/C | [
"constructive algorithms",
"data structures",
"dp",
"greedy",
"sortings"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 21562
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1846-B | codeforces | 1846-B | Rudolph and Tic-Tac-Toe | https://codeforces.com/problemset/problem/1846/B | [
"brute force",
"implementation",
"strings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 28984
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1846-A | codeforces | 1846-A | Rudolph and Cut the Rope | https://codeforces.com/problemset/problem/1846/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 34854
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1845-F | codeforces | 1845-F | Swimmers in the Pool | https://codeforces.com/problemset/problem/1845/F | [
"dp",
"fft",
"math",
"number theory"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 437
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1845-E | codeforces | 1845-E | Boxes and Balls | https://codeforces.com/problemset/problem/1845/E | [
"dp",
"implementation",
"math"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 1615
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1845-D | codeforces | 1845-D | Rating System | https://codeforces.com/problemset/problem/1845/D | [
"binary search",
"brute force",
"data structures",
"dp",
"dsu",
"greedy",
"math",
"two pointers"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 9062
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1845-C | codeforces | 1845-C | Strong Password | https://codeforces.com/problemset/problem/1845/C | [
"binary search",
"dp",
"greedy",
"strings"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 16864
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1845-B | codeforces | 1845-B | Come Together | https://codeforces.com/problemset/problem/1845/B | [
"geometry",
"implementation",
"math"
] | null | null | stdin_stdout | 900 | {
"solved_count": 23780
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1845-A | codeforces | 1845-A | Forbidden Integer | https://codeforces.com/problemset/problem/1845/A | [
"constructive algorithms",
"implementation",
"math",
"number theory"
] | null | null | stdin_stdout | 800 | {
"solved_count": 48870
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1844-H | codeforces | 1844-H | Multiple of Three Cycles | https://codeforces.com/problemset/problem/1844/H | [
"combinatorics",
"data structures",
"dp",
"dsu",
"math"
] | null | null | stdin_stdout | 3,400 | {
"solved_count": 294
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1844-G | codeforces | 1844-G | Tree Weights | https://codeforces.com/problemset/problem/1844/G | [
"bitmasks",
"constructive algorithms",
"data structures",
"dfs and similar",
"implementation",
"math",
"matrices",
"number theory",
"trees"
] | null | null | stdin_stdout | 3,000 | {
"solved_count": 1190
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1844-F2 | codeforces | 1844-F2 | Min Cost Permutation (Hard Version) | https://codeforces.com/problemset/problem/1844/F2 | [
"binary search",
"constructive algorithms",
"data structures",
"greedy",
"math",
"sortings"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 485
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1844-F1 | codeforces | 1844-F1 | Min Cost Permutation (Easy Version) | https://codeforces.com/problemset/problem/1844/F1 | [
"brute force",
"constructive algorithms",
"greedy",
"math"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 914
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1844-E | codeforces | 1844-E | Great Grids | https://codeforces.com/problemset/problem/1844/E | [
"2-sat",
"constructive algorithms",
"dfs and similar",
"dsu",
"graphs"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 2168
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1844-D | codeforces | 1844-D | Row Major | https://codeforces.com/problemset/problem/1844/D | [
"constructive algorithms",
"greedy",
"math",
"number theory",
"strings"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 13884
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1844-C | codeforces | 1844-C | Particles | https://codeforces.com/problemset/problem/1844/C | [
"dp",
"greedy",
"implementation",
"math"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 17925
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1844-B | codeforces | 1844-B | Permutations & Primes | https://codeforces.com/problemset/problem/1844/B | [
"constructive algorithms",
"math"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 20300
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1844-A | codeforces | 1844-A | Subtraction Game | https://codeforces.com/problemset/problem/1844/A | [
"constructive algorithms",
"games"
] | null | null | stdin_stdout | 800 | {
"solved_count": 25993
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1843-F2 | codeforces | 1843-F2 | Omsk Metro (hard version) | https://codeforces.com/problemset/problem/1843/F2 | [
"data structures",
"dfs and similar",
"divide and conquer",
"dp",
"math",
"trees"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 2142
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1843-F1 | codeforces | 1843-F1 | Omsk Metro (simple version) | https://codeforces.com/problemset/problem/1843/F1 | [
"data structures",
"dfs and similar",
"dp",
"graphs",
"greedy",
"math",
"trees"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 6385
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1843-E | codeforces | 1843-E | Tracking Segments | https://codeforces.com/problemset/problem/1843/E | [
"binary search",
"brute force",
"data structures",
"two pointers"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 18084
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1843-D | codeforces | 1843-D | Apple Tree | https://codeforces.com/problemset/problem/1843/D | [
"combinatorics",
"dfs and similar",
"dp",
"math",
"trees"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 21820
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1843-C | codeforces | 1843-C | Sum in Binary Tree | https://codeforces.com/problemset/problem/1843/C | [
"bitmasks",
"combinatorics",
"math",
"trees"
] | null | null | stdin_stdout | 800 | {
"solved_count": 39732
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1843-B | codeforces | 1843-B | Long Long | https://codeforces.com/problemset/problem/1843/B | [
"greedy",
"math",
"two pointers"
] | null | null | stdin_stdout | 800 | {
"solved_count": 32227
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1843-A | codeforces | 1843-A | Sasha and Array Coloring | https://codeforces.com/problemset/problem/1843/A | [
"greedy",
"sortings",
"two pointers"
] | null | null | stdin_stdout | 800 | {
"solved_count": 37422
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1842-I | codeforces | 1842-I | Tenzing and Necklace | https://codeforces.com/problemset/problem/1842/I | [
"divide and conquer",
"dp",
"greedy"
] | null | null | stdin_stdout | 3,500 | {
"solved_count": 170
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1842-H | codeforces | 1842-H | Tenzing and Random Real Numbers | https://codeforces.com/problemset/problem/1842/H | [
"bitmasks",
"dp",
"graphs",
"math",
"probabilities"
] | null | null | stdin_stdout | 3,000 | {
"solved_count": 859
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1842-G | codeforces | 1842-G | Tenzing and Random Operations | https://codeforces.com/problemset/problem/1842/G | [
"combinatorics",
"dp",
"math",
"probabilities"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 1608
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1842-F | codeforces | 1842-F | Tenzing and Tree | https://codeforces.com/problemset/problem/1842/F | [
"dfs and similar",
"greedy",
"shortest paths",
"sortings",
"trees"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 1826
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1842-E | codeforces | 1842-E | Tenzing and Triangle | https://codeforces.com/problemset/problem/1842/E | [
"data structures",
"dp",
"geometry",
"greedy",
"math"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1843
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1842-D | codeforces | 1842-D | Tenzing and His Animal Friends | https://codeforces.com/problemset/problem/1842/D | [
"constructive algorithms",
"graphs",
"greedy"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 4765
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1842-C | codeforces | 1842-C | Tenzing and Balls | https://codeforces.com/problemset/problem/1842/C | [
"dp"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 16597
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1842-B | codeforces | 1842-B | Tenzing and Books | https://codeforces.com/problemset/problem/1842/B | [
"bitmasks",
"greedy",
"math"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 26047
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1842-A | codeforces | 1842-A | Tenzing and Tsondu | https://codeforces.com/problemset/problem/1842/A | [
"games",
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 20826
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1841-F | codeforces | 1841-F | Monocarp and a Strategic Game | https://codeforces.com/problemset/problem/1841/F | [
"geometry",
"sortings",
"two pointers"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 609
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1841-E | codeforces | 1841-E | Fill the Matrix | https://codeforces.com/problemset/problem/1841/E | [
"data structures",
"greedy",
"math"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 2437
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1841-D | codeforces | 1841-D | Pairs of Segments | https://codeforces.com/problemset/problem/1841/D | [
"data structures",
"greedy",
"sortings",
"two pointers"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 5304
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1841-C | codeforces | 1841-C | Ranom Numbers | https://codeforces.com/problemset/problem/1841/C | [
"brute force",
"dp",
"greedy",
"math",
"strings"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 9109
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1841-B | codeforces | 1841-B | Keep it Beautiful | https://codeforces.com/problemset/problem/1841/B | [
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 24154
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1841-A | codeforces | 1841-A | Game with Board | https://codeforces.com/problemset/problem/1841/A | [
"constructive algorithms",
"games"
] | null | null | stdin_stdout | 800 | {
"solved_count": 26021
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1840-G2 | codeforces | 1840-G2 | In Search of Truth (Hard Version) | https://codeforces.com/problemset/problem/1840/G2 | [
"constructive algorithms",
"interactive",
"math",
"meet-in-the-middle",
"probabilities"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 1192
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1840-G1 | codeforces | 1840-G1 | In Search of Truth (Easy Version) | https://codeforces.com/problemset/problem/1840/G1 | [
"constructive algorithms",
"interactive",
"math",
"meet-in-the-middle",
"probabilities"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 2809
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1840-F | codeforces | 1840-F | Railguns | https://codeforces.com/problemset/problem/1840/F | [
"brute force",
"dfs and similar",
"dp",
"graphs"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 2126
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1840-E | codeforces | 1840-E | Character Blocking | https://codeforces.com/problemset/problem/1840/E | [
"data structures",
"hashing",
"implementation"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 9345
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1840-D | codeforces | 1840-D | Wooden Toy Festival | https://codeforces.com/problemset/problem/1840/D | [
"binary search",
"greedy",
"sortings"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 16384
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1840-C | codeforces | 1840-C | Ski Resort | https://codeforces.com/problemset/problem/1840/C | [
"combinatorics",
"math",
"two pointers"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 48564
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1840-B | codeforces | 1840-B | Binary Cafe | https://codeforces.com/problemset/problem/1840/B | [
"bitmasks",
"combinatorics",
"math"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 24787
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1840-A | codeforces | 1840-A | Cipher Shifer | https://codeforces.com/problemset/problem/1840/A | [
"implementation",
"strings",
"two pointers"
] | null | null | stdin_stdout | 800 | {
"solved_count": 38315
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1839-E | codeforces | 1839-E | Decreasing Game | https://codeforces.com/problemset/problem/1839/E | [
"constructive algorithms",
"dfs and similar",
"dp",
"greedy",
"interactive"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 1548
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1839-D | codeforces | 1839-D | Ball Sorting | https://codeforces.com/problemset/problem/1839/D | [
"data structures",
"dp",
"sortings"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 2713
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1839-C | codeforces | 1839-C | Insert Zero and Invert Prefix | https://codeforces.com/problemset/problem/1839/C | [
"constructive algorithms"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 13476
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1839-B | codeforces | 1839-B | Lamps | https://codeforces.com/problemset/problem/1839/B | [
"greedy",
"sortings"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 16584
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1839-A | codeforces | 1839-A | The Good Array | https://codeforces.com/problemset/problem/1839/A | [
"greedy",
"implementation",
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 18345
} | 2026-06-01T05:00:40.145500+00:00 |
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