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:834-B | codeforces | 834-B | The Festive Evening | https://codeforces.com/problemset/problem/834/B | [
"data structures",
"implementation"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 9439
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:834-A | codeforces | 834-A | The Useless Toy | https://codeforces.com/problemset/problem/834/A | [
"implementation"
] | null | null | stdin_stdout | 900 | {
"solved_count": 9152
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:833-E | codeforces | 833-E | Caramel Clouds | https://codeforces.com/problemset/problem/833/E | [
"data structures",
"dp",
"sortings"
] | null | null | stdin_stdout | 3,400 | {
"solved_count": 329
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:833-D | codeforces | 833-D | Red-Black Cobweb | https://codeforces.com/problemset/problem/833/D | [
"data structures",
"divide and conquer",
"implementation",
"trees"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 538
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:833-C | codeforces | 833-C | Ever-Hungry Krakozyabra | https://codeforces.com/problemset/problem/833/C | [
"brute force",
"combinatorics",
"greedy",
"math"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 532
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:833-B | codeforces | 833-B | The Bakery | https://codeforces.com/problemset/problem/833/B | [
"binary search",
"data structures",
"divide and conquer",
"dp",
"two pointers"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 6952
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:833-A | codeforces | 833-A | The Meaningless Game | https://codeforces.com/problemset/problem/833/A | [
"math",
"number theory"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 6625
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:832-E | codeforces | 832-E | Vasya and Shifts | https://codeforces.com/problemset/problem/832/E | [
"matrices"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 412
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:832-D | codeforces | 832-D | Misha, Grisha and Underground | https://codeforces.com/problemset/problem/832/D | [
"dfs and similar",
"graphs",
"trees"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 4767
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:832-C | codeforces | 832-C | Strange Radiation | https://codeforces.com/problemset/problem/832/C | [
"binary search",
"implementation",
"math"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 511
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:832-B | codeforces | 832-B | Petya and Exam | https://codeforces.com/problemset/problem/832/B | [
"implementation",
"strings"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 4702
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:832-A | codeforces | 832-A | Sasha and Sticks | https://codeforces.com/problemset/problem/832/A | [
"games",
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 22309
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:831-C | codeforces | 831-C | Jury Marks | https://codeforces.com/problemset/problem/831/C | [
"brute force",
"constructive algorithms"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 5688
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:831-B | codeforces | 831-B | Keyboard Layouts | https://codeforces.com/problemset/problem/831/B | [
"implementation",
"strings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 15823
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:831-A | codeforces | 831-A | Unimodal Array | https://codeforces.com/problemset/problem/831/A | [
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 11180
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:830-E | codeforces | 830-E | Perpetual Motion Machine | https://codeforces.com/problemset/problem/830/E | [
"constructive algorithms",
"dp",
"graphs",
"implementation",
"math",
"trees"
] | null | null | stdin_stdout | 3,100 | {
"solved_count": 402
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:830-D | codeforces | 830-D | Singer House | https://codeforces.com/problemset/problem/830/D | [
"combinatorics",
"dp",
"graphs",
"trees"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 1049
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:830-C | codeforces | 830-C | Bamboo Partition | https://codeforces.com/problemset/problem/830/C | [
"brute force",
"data structures",
"implementation",
"math",
"number theory",
"sortings",
"two pointers"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1391
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:830-B | codeforces | 830-B | Cards Sorting | https://codeforces.com/problemset/problem/830/B | [
"data structures",
"implementation",
"sortings"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 3079
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:830-A | codeforces | 830-A | Office Keys | https://codeforces.com/problemset/problem/830/A | [
"binary search",
"brute force",
"dp",
"greedy",
"sortings"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 8408
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:828-B | codeforces | 828-B | Black Square | https://codeforces.com/problemset/problem/828/B | [
"implementation"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 6205
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:828-A | codeforces | 828-A | Restaurant Tables | https://codeforces.com/problemset/problem/828/A | [
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 8491
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:827-F | codeforces | 827-F | Dirty Arkady's Kitchen | https://codeforces.com/problemset/problem/827/F | [
"data structures",
"dp",
"graphs",
"shortest paths"
] | null | null | stdin_stdout | 3,200 | {
"solved_count": 622
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:827-E | codeforces | 827-E | Rusty String | https://codeforces.com/problemset/problem/827/E | [
"fft",
"math",
"strings"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 1303
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:827-D | codeforces | 827-D | Best Edge Weight | https://codeforces.com/problemset/problem/827/D | [
"data structures",
"dfs and similar",
"graphs",
"trees"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 1521
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:827-C | codeforces | 827-C | DNA Evolution | https://codeforces.com/problemset/problem/827/C | [
"data structures",
"strings"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1820
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:827-B | codeforces | 827-B | High Load | https://codeforces.com/problemset/problem/827/B | [
"constructive algorithms",
"greedy",
"implementation",
"trees"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 3747
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:827-A | codeforces | 827-A | String Reconstruction | https://codeforces.com/problemset/problem/827/A | [
"data structures",
"greedy",
"sortings",
"strings"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 4371
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:825-G | codeforces | 825-G | Tree Queries | https://codeforces.com/problemset/problem/825/G | [
"dfs and similar",
"graphs",
"trees"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 1551
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:825-F | codeforces | 825-F | String Compression | https://codeforces.com/problemset/problem/825/F | [
"dp",
"hashing",
"string suffix structures",
"strings"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 2112
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:825-E | codeforces | 825-E | Minimal Labels | https://codeforces.com/problemset/problem/825/E | [
"data structures",
"dfs and similar",
"graphs",
"greedy"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 4471
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:825-D | codeforces | 825-D | Suitable Replacement | https://codeforces.com/problemset/problem/825/D | [
"binary search",
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 3841
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:825-C | codeforces | 825-C | Multi-judge Solving | https://codeforces.com/problemset/problem/825/C | [
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 4933
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:825-B | codeforces | 825-B | Five-In-a-Row | https://codeforces.com/problemset/problem/825/B | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 4839
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:825-A | codeforces | 825-A | Binary Protocol | https://codeforces.com/problemset/problem/825/A | [
"implementation"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 8255
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:822-F | codeforces | 822-F | Madness | https://codeforces.com/problemset/problem/822/F | [
"constructive algorithms",
"dfs and similar",
"trees"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 400
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:822-E | codeforces | 822-E | Liar | https://codeforces.com/problemset/problem/822/E | [
"binary search",
"dp",
"hashing",
"string suffix structures"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 1226
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:822-D | codeforces | 822-D | My pretty girl Noora | https://codeforces.com/problemset/problem/822/D | [
"brute force",
"dp",
"greedy",
"math",
"number theory"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 3311
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:822-C | codeforces | 822-C | Hacker, pack your bags! | https://codeforces.com/problemset/problem/822/C | [
"binary search",
"greedy",
"implementation",
"sortings"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 4975
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:822-B | codeforces | 822-B | Crossword solving | https://codeforces.com/problemset/problem/822/B | [
"brute force",
"implementation",
"strings"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 10381
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:822-A | codeforces | 822-A | I'm bored with life | https://codeforces.com/problemset/problem/822/A | [
"implementation",
"math",
"number theory"
] | null | null | stdin_stdout | 800 | {
"solved_count": 37576
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:821-E | codeforces | 821-E | Okabe and El Psy Kongroo | https://codeforces.com/problemset/problem/821/E | [
"dp",
"matrices"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1701
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:821-D | codeforces | 821-D | Okabe and City | https://codeforces.com/problemset/problem/821/D | [
"dfs and similar",
"graphs",
"shortest paths"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1836
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:821-C | codeforces | 821-C | Okabe and Boxes | https://codeforces.com/problemset/problem/821/C | [
"data structures",
"greedy",
"trees"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 8084
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:821-B | codeforces | 821-B | Okabe and Banana Trees | https://codeforces.com/problemset/problem/821/B | [
"brute force",
"math"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 6133
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:821-A | codeforces | 821-A | Okabe and Future Gadget Laboratory | https://codeforces.com/problemset/problem/821/A | [
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 9031
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:820-C | codeforces | 820-C | Mister B and Boring Game | https://codeforces.com/problemset/problem/820/C | [
"games",
"greedy"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 533
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:820-B | codeforces | 820-B | Mister B and Angle in Polygon | https://codeforces.com/problemset/problem/820/B | [
"constructive algorithms",
"geometry",
"math"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 5543
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:820-A | codeforces | 820-A | Mister B and Book Reading | https://codeforces.com/problemset/problem/820/A | [
"implementation"
] | null | null | stdin_stdout | 900 | {
"solved_count": 8744
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:819-E | codeforces | 819-E | Mister B and Flight to the Moon | https://codeforces.com/problemset/problem/819/E | [
"constructive algorithms",
"graphs"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 660
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:819-D | codeforces | 819-D | Mister B and Astronomers | https://codeforces.com/problemset/problem/819/D | [
"number theory"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 392
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:819-C | codeforces | 819-C | Mister B and Beacons on Field | https://codeforces.com/problemset/problem/819/C | [
"number theory"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 292
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:819-B | codeforces | 819-B | Mister B and PR Shifts | https://codeforces.com/problemset/problem/819/B | [
"data structures",
"implementation",
"math"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 1802
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:818-G | codeforces | 818-G | Four Melodies | https://codeforces.com/problemset/problem/818/G | [
"flows",
"graphs"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 1082
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:818-F | codeforces | 818-F | Level Generation | https://codeforces.com/problemset/problem/818/F | [
"binary search",
"math",
"ternary search"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1992
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:818-E | codeforces | 818-E | Card Game Again | https://codeforces.com/problemset/problem/818/E | [
"binary search",
"data structures",
"number theory",
"two pointers"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 2728
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:818-D | codeforces | 818-D | Multicolored Cars | https://codeforces.com/problemset/problem/818/D | [
"data structures",
"implementation"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 3861
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:818-C | codeforces | 818-C | Sofa Thief | https://codeforces.com/problemset/problem/818/C | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 1418
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:818-B | codeforces | 818-B | Permutation Game | https://codeforces.com/problemset/problem/818/B | [
"implementation"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 3278
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:818-A | codeforces | 818-A | Diplomas and Certificates | https://codeforces.com/problemset/problem/818/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 7947
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:817-F | codeforces | 817-F | MEX Queries | https://codeforces.com/problemset/problem/817/F | [
"binary search",
"data structures",
"trees"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 3518
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:817-E | codeforces | 817-E | Choosing The Commander | https://codeforces.com/problemset/problem/817/E | [
"bitmasks",
"data structures",
"trees"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 3944
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:817-D | codeforces | 817-D | Imbalanced Array | https://codeforces.com/problemset/problem/817/D | [
"data structures",
"divide and conquer",
"dsu",
"sortings"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 6698
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:817-C | codeforces | 817-C | Really Big Numbers | https://codeforces.com/problemset/problem/817/C | [
"binary search",
"brute force",
"dp",
"math"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 8639
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:817-B | codeforces | 817-B | Makes And The Product | https://codeforces.com/problemset/problem/817/B | [
"combinatorics",
"implementation",
"math",
"sortings"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 6508
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:817-A | codeforces | 817-A | Treasure Hunt | https://codeforces.com/problemset/problem/817/A | [
"implementation",
"math",
"number theory"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 6962
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:816-B | codeforces | 816-B | Karen and Coffee | https://codeforces.com/problemset/problem/816/B | [
"binary search",
"data structures",
"implementation"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 29712
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:816-A | codeforces | 816-A | Karen and Morning | https://codeforces.com/problemset/problem/816/A | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 9831
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:815-E | codeforces | 815-E | Karen and Neighborhood | https://codeforces.com/problemset/problem/815/E | [
"binary search",
"constructive algorithms",
"implementation"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 370
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:815-D | codeforces | 815-D | Karen and Cards | https://codeforces.com/problemset/problem/815/D | [
"binary search",
"combinatorics",
"data structures",
"geometry"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 947
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:815-C | codeforces | 815-C | Karen and Supermarket | https://codeforces.com/problemset/problem/815/C | [
"brute force",
"dp",
"trees"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 3493
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:815-B | codeforces | 815-B | Karen and Test | https://codeforces.com/problemset/problem/815/B | [
"brute force",
"combinatorics",
"constructive algorithms",
"math"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1667
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:815-A | codeforces | 815-A | Karen and Game | https://codeforces.com/problemset/problem/815/A | [
"brute force",
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 5931
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:814-E | codeforces | 814-E | An unavoidable detour for home | https://codeforces.com/problemset/problem/814/E | [
"combinatorics",
"dp",
"graphs",
"shortest paths"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 853
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:814-D | codeforces | 814-D | An overnight dance in discotheque | https://codeforces.com/problemset/problem/814/D | [
"dfs and similar",
"dp",
"geometry",
"greedy",
"trees"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 2630
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:814-C | codeforces | 814-C | An impassioned circulation of affection | https://codeforces.com/problemset/problem/814/C | [
"brute force",
"dp",
"strings",
"two pointers"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 8039
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:814-B | codeforces | 814-B | An express train to reveries | https://codeforces.com/problemset/problem/814/B | [
"constructive algorithms"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 5903
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:814-A | codeforces | 814-A | An abandoned sentiment from past | https://codeforces.com/problemset/problem/814/A | [
"constructive algorithms",
"greedy",
"implementation",
"sortings"
] | null | null | stdin_stdout | 900 | {
"solved_count": 11106
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:813-F | codeforces | 813-F | Bipartite Checking | https://codeforces.com/problemset/problem/813/F | [
"data structures",
"dsu",
"graphs"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 1852
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:813-E | codeforces | 813-E | Army Creation | https://codeforces.com/problemset/problem/813/E | [
"binary search",
"data structures"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 3329
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:813-D | codeforces | 813-D | Two Melodies | https://codeforces.com/problemset/problem/813/D | [
"dp",
"flows"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 1207
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:813-C | codeforces | 813-C | The Tag Game | https://codeforces.com/problemset/problem/813/C | [
"dfs and similar",
"graphs"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 8624
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:813-B | codeforces | 813-B | The Golden Age | https://codeforces.com/problemset/problem/813/B | [
"brute force",
"math"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 4514
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:813-A | codeforces | 813-A | The Contest | https://codeforces.com/problemset/problem/813/A | [
"implementation"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 5498
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:812-E | codeforces | 812-E | Sagheer and Apple Tree | https://codeforces.com/problemset/problem/812/E | [
"games",
"trees"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1410
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:812-D | codeforces | 812-D | Sagheer and Kindergarten | https://codeforces.com/problemset/problem/812/D | [
"dfs and similar",
"graphs",
"implementation",
"trees"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 387
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:812-C | codeforces | 812-C | Sagheer and Nubian Market | https://codeforces.com/problemset/problem/812/C | [
"binary search",
"sortings"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 18403
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:812-B | codeforces | 812-B | Sagheer, the Hausmeister | https://codeforces.com/problemset/problem/812/B | [
"bitmasks",
"brute force",
"dp"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 5581
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:812-A | codeforces | 812-A | Sagheer and Crossroads | https://codeforces.com/problemset/problem/812/A | [
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 6477
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:811-E | codeforces | 811-E | Vladik and Entertaining Flags | https://codeforces.com/problemset/problem/811/E | [
"data structures",
"dsu",
"graphs"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 1037
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:811-D | codeforces | 811-D | Vladik and Favorite Game | https://codeforces.com/problemset/problem/811/D | [
"constructive algorithms",
"dfs and similar",
"graphs",
"interactive"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1946
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:811-C | codeforces | 811-C | Vladik and Memorable Trip | https://codeforces.com/problemset/problem/811/C | [
"dp",
"implementation"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 3525
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:811-B | codeforces | 811-B | Vladik and Complicated Book | https://codeforces.com/problemset/problem/811/B | [
"implementation",
"sortings"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 6824
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:811-A | codeforces | 811-A | Vladik and Courtesy | https://codeforces.com/problemset/problem/811/A | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 12443
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:810-B | codeforces | 810-B | Summer sell-off | https://codeforces.com/problemset/problem/810/B | [
"greedy",
"sortings"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 12789
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:810-A | codeforces | 810-A | Straight <<A>> | https://codeforces.com/problemset/problem/810/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 900 | {
"solved_count": 9405
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:809-E | codeforces | 809-E | Surprise me! | https://codeforces.com/problemset/problem/809/E | [
"divide and conquer",
"math",
"number theory",
"trees"
] | null | null | stdin_stdout | 3,100 | {
"solved_count": 1009
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:809-D | codeforces | 809-D | Hitchhiking in the Baltic States | https://codeforces.com/problemset/problem/809/D | [
"data structures",
"dp"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 1218
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:809-C | codeforces | 809-C | Find a car | https://codeforces.com/problemset/problem/809/C | [
"combinatorics",
"divide and conquer",
"dp"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 954
} | 2026-08-17T01:43:56.191071+00:00 |
codeforces:809-B | codeforces | 809-B | Glad to see you! | https://codeforces.com/problemset/problem/809/B | [
"binary search",
"interactive"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1828
} | 2026-08-17T01:43:56.191071+00:00 |
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