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
values |
|---|---|---|---|---|---|---|---|---|---|---|---|
codeforces:89-A | codeforces | 89-A | Robbery | https://codeforces.com/problemset/problem/89/A | [
"greedy"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 1625
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:88-B | codeforces | 88-B | Keyboard | https://codeforces.com/problemset/problem/88/B | [
"implementation"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 5320
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:88-A | codeforces | 88-A | Chord | https://codeforces.com/problemset/problem/88/A | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 4123
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:87-E | codeforces | 87-E | Mogohu-Rea Idol | https://codeforces.com/problemset/problem/87/E | [
"geometry"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 832
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:87-D | codeforces | 87-D | Beautiful Road | https://codeforces.com/problemset/problem/87/D | [
"dfs and similar",
"dp",
"dsu",
"graphs",
"implementation",
"sortings",
"trees"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1101
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:87-C | codeforces | 87-C | Interesting Game | https://codeforces.com/problemset/problem/87/C | [
"dp",
"games",
"math"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 1771
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:87-B | codeforces | 87-B | Vasya and Types | https://codeforces.com/problemset/problem/87/B | [
"implementation",
"strings"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 1272
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:87-A | codeforces | 87-A | Trains | https://codeforces.com/problemset/problem/87/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 5880
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:86-E | codeforces | 86-E | Long sequence | https://codeforces.com/problemset/problem/86/E | [
"brute force",
"math",
"matrices"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 233
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:86-D | codeforces | 86-D | Powerful array | https://codeforces.com/problemset/problem/86/D | [
"data structures",
"implementation",
"math",
"two pointers"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 17732
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:86-C | codeforces | 86-C | Genetic engineering | https://codeforces.com/problemset/problem/86/C | [
"dp",
"string suffix structures",
"trees"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 964
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:86-B | codeforces | 86-B | Tetris revisited | https://codeforces.com/problemset/problem/86/B | [
"constructive algorithms",
"graph matchings",
"greedy",
"math"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 473
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:86-A | codeforces | 86-A | Reflection | https://codeforces.com/problemset/problem/86/A | [
"math"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 1676
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:85-E | codeforces | 85-E | Guard Towers | https://codeforces.com/problemset/problem/85/E | [
"binary search",
"dsu",
"geometry",
"graphs",
"sortings"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 1154
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:85-D | codeforces | 85-D | Sum of Medians | https://codeforces.com/problemset/problem/85/D | [
"binary search",
"brute force",
"data structures",
"implementation"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 2548
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:85-C | codeforces | 85-C | Petya and Tree | https://codeforces.com/problemset/problem/85/C | [
"binary search",
"dfs and similar",
"probabilities",
"sortings",
"trees"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 646
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:85-B | codeforces | 85-B | Embassy Queue | https://codeforces.com/problemset/problem/85/B | [
"data structures",
"greedy"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 1085
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:85-A | codeforces | 85-A | Domino | https://codeforces.com/problemset/problem/85/A | [
"constructive algorithms",
"implementation"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 2039
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:84-C | codeforces | 84-C | Biathlon | https://codeforces.com/problemset/problem/84/C | [
"binary search",
"implementation"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 1876
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:84-A | codeforces | 84-A | Toy Army | https://codeforces.com/problemset/problem/84/A | [
"math",
"number theory"
] | null | null | stdin_stdout | 900 | {
"solved_count": 16776
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:83-E | codeforces | 83-E | Two Subsequences | https://codeforces.com/problemset/problem/83/E | [
"bitmasks",
"dp"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 598
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:83-D | codeforces | 83-D | Numbers | https://codeforces.com/problemset/problem/83/D | [
"dp",
"math",
"number theory"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 1091
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:83-C | codeforces | 83-C | Track | https://codeforces.com/problemset/problem/83/C | [
"graphs",
"greedy",
"shortest paths"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 497
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:83-B | codeforces | 83-B | Doctor | https://codeforces.com/problemset/problem/83/B | [
"binary search",
"math",
"sortings"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 1910
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:83-A | codeforces | 83-A | Magical Array | https://codeforces.com/problemset/problem/83/A | [
"math"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 6973
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:82-E | codeforces | 82-E | Corridor | https://codeforces.com/problemset/problem/82/E | [
"geometry"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 272
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:82-D | codeforces | 82-D | Two out of Three | https://codeforces.com/problemset/problem/82/D | [
"dp"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 2346
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:82-C | codeforces | 82-C | General Mobilization | https://codeforces.com/problemset/problem/82/C | [
"data structures",
"dfs and similar",
"sortings"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 911
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:82-B | codeforces | 82-B | Sets | https://codeforces.com/problemset/problem/82/B | [
"constructive algorithms",
"hashing",
"implementation"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 2345
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:82-A | codeforces | 82-A | Double Cola | https://codeforces.com/problemset/problem/82/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 32585
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:81-E | codeforces | 81-E | Pairs | https://codeforces.com/problemset/problem/81/E | [
"dfs and similar",
"dp",
"dsu",
"graphs",
"implementation",
"trees"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 460
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:81-D | codeforces | 81-D | Polycarp's Picture Gallery | https://codeforces.com/problemset/problem/81/D | [
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 960
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:81-C | codeforces | 81-C | Average Score | https://codeforces.com/problemset/problem/81/C | [
"greedy",
"math",
"sortings"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 1865
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:81-B | codeforces | 81-B | Sequence Formatting | https://codeforces.com/problemset/problem/81/B | [
"implementation",
"strings"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 2163
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:81-A | codeforces | 81-A | Plug-in | https://codeforces.com/problemset/problem/81/A | [
"implementation"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 14280
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:80-B | codeforces | 80-B | Depression | https://codeforces.com/problemset/problem/80/B | [
"geometry",
"math"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 5094
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:80-A | codeforces | 80-A | Panoramix's Prediction | https://codeforces.com/problemset/problem/80/A | [
"brute force"
] | null | null | stdin_stdout | 800 | {
"solved_count": 68163
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:79-E | codeforces | 79-E | Security System | https://codeforces.com/problemset/problem/79/E | [
"math"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 196
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:79-D | codeforces | 79-D | Password | https://codeforces.com/problemset/problem/79/D | [
"bitmasks",
"dp",
"shortest paths"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 1489
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:79-C | codeforces | 79-C | Beaver | https://codeforces.com/problemset/problem/79/C | [
"data structures",
"dp",
"greedy",
"hashing",
"strings",
"two pointers"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 2150
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:79-B | codeforces | 79-B | Colorful Field | https://codeforces.com/problemset/problem/79/B | [
"implementation",
"sortings"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 8061
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:79-A | codeforces | 79-A | Bus Game | https://codeforces.com/problemset/problem/79/A | [
"greedy"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 4614
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:78-E | codeforces | 78-E | Evacuation | https://codeforces.com/problemset/problem/78/E | [
"flows",
"graphs",
"shortest paths"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 756
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:78-D | codeforces | 78-D | Archer's Shot | https://codeforces.com/problemset/problem/78/D | [
"binary search",
"geometry",
"math",
"two pointers"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 424
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:78-C | codeforces | 78-C | Beaver Game | https://codeforces.com/problemset/problem/78/C | [
"dp",
"games",
"number theory"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 2229
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:78-B | codeforces | 78-B | Easter Eggs | https://codeforces.com/problemset/problem/78/B | [
"constructive algorithms",
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 15534
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:78-A | codeforces | 78-A | Haiku | https://codeforces.com/problemset/problem/78/A | [
"implementation",
"strings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 15625
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:77-E | codeforces | 77-E | Martian Food | https://codeforces.com/problemset/problem/77/E | [
"geometry"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 547
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:77-D | codeforces | 77-D | Domino Carpet | https://codeforces.com/problemset/problem/77/D | [
"dp",
"implementation"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 378
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:77-C | codeforces | 77-C | Beavermuncher-0xFF | https://codeforces.com/problemset/problem/77/C | [
"dfs and similar",
"dp",
"dsu",
"greedy",
"trees"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1253
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:77-B | codeforces | 77-B | Falling Anvils | https://codeforces.com/problemset/problem/77/B | [
"math",
"probabilities"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 2900
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:77-A | codeforces | 77-A | Heroes | https://codeforces.com/problemset/problem/77/A | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 1987
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:76-F | codeforces | 76-F | Tourist | https://codeforces.com/problemset/problem/76/F | [
"binary search",
"data structures",
"dp"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 864
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:76-E | codeforces | 76-E | Points | https://codeforces.com/problemset/problem/76/E | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 1922
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:76-D | codeforces | 76-D | Plus and xor | https://codeforces.com/problemset/problem/76/D | [
"dp",
"greedy",
"math"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 2479
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:76-C | codeforces | 76-C | Mutation | https://codeforces.com/problemset/problem/76/C | [
"bitmasks",
"dp",
"math"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 389
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:76-B | codeforces | 76-B | Mice | https://codeforces.com/problemset/problem/76/B | [
"greedy",
"two pointers"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 826
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:76-A | codeforces | 76-A | Gift | https://codeforces.com/problemset/problem/76/A | [
"dsu",
"graphs",
"sortings",
"trees"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 2518
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:75-E | codeforces | 75-E | Ship's Shortest Path | https://codeforces.com/problemset/problem/75/E | [
"geometry",
"shortest paths"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 319
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:75-D | codeforces | 75-D | Big Maximum Sum | https://codeforces.com/problemset/problem/75/D | [
"data structures",
"dp",
"greedy",
"implementation",
"math",
"trees"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 2129
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:75-C | codeforces | 75-C | Modified GCD | https://codeforces.com/problemset/problem/75/C | [
"binary search",
"number theory"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 16422
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:75-B | codeforces | 75-B | Facetook Priority Wall | https://codeforces.com/problemset/problem/75/B | [
"expression parsing",
"implementation",
"strings"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 3654
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:75-A | codeforces | 75-A | Life Without Zeros | https://codeforces.com/problemset/problem/75/A | [
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 30293
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:74-E | codeforces | 74-E | Shift It! | https://codeforces.com/problemset/problem/74/E | [
"constructive algorithms"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 210
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:74-D | codeforces | 74-D | Hanger | https://codeforces.com/problemset/problem/74/D | [
"data structures"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 457
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:74-C | codeforces | 74-C | Chessboard Billiard | https://codeforces.com/problemset/problem/74/C | [
"dfs and similar",
"dsu",
"graphs",
"number theory"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1450
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:74-B | codeforces | 74-B | Train | https://codeforces.com/problemset/problem/74/B | [
"dp",
"games",
"greedy"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 1802
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:74-A | codeforces | 74-A | Room Leader | https://codeforces.com/problemset/problem/74/A | [
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 5948
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:73-F | codeforces | 73-F | Plane of Tanks | https://codeforces.com/problemset/problem/73/F | [
"brute force",
"geometry"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 188
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:73-E | codeforces | 73-E | Morrowindows | https://codeforces.com/problemset/problem/73/E | [
"math",
"number theory"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 438
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:73-D | codeforces | 73-D | FreeDiv | https://codeforces.com/problemset/problem/73/D | [
"dfs and similar",
"graphs",
"greedy"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 778
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:73-C | codeforces | 73-C | LionAge II | https://codeforces.com/problemset/problem/73/C | [
"dp"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 2518
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:73-B | codeforces | 73-B | Need For Brake | https://codeforces.com/problemset/problem/73/B | [
"binary search",
"greedy",
"sortings"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 576
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:73-A | codeforces | 73-A | The Elder Trolls IV: Oblivon | https://codeforces.com/problemset/problem/73/A | [
"greedy",
"math"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 1661
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:72-I | codeforces | 72-I | Goofy Numbers | https://codeforces.com/problemset/problem/72/I | [
"*special",
"implementation"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 487
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:72-H | codeforces | 72-H | Reverse It! | https://codeforces.com/problemset/problem/72/H | [
"*special",
"implementation"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 285
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:72-G | codeforces | 72-G | Fibonacci army | https://codeforces.com/problemset/problem/72/G | [
"*special",
"dp"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 2955
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:72-F | codeforces | 72-F | Oil | https://codeforces.com/problemset/problem/72/F | [
"*special",
"greedy",
"math"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 147
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:72-E | codeforces | 72-E | Ali goes shopping | https://codeforces.com/problemset/problem/72/E | [
"*special",
"brute force",
"strings"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 181
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:72-D | codeforces | 72-D | Perse-script | https://codeforces.com/problemset/problem/72/D | [
"*special",
"expression parsing"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 83
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:72-C | codeforces | 72-C | Extraordinarily Nice Numbers | https://codeforces.com/problemset/problem/72/C | [
"*special",
"math"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 1065
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:72-B | codeforces | 72-B | INI-file | https://codeforces.com/problemset/problem/72/B | [
"*special",
"implementation"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 117
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:72-A | codeforces | 72-A | Goshtasp, Vishtasp and Eidi | https://codeforces.com/problemset/problem/72/A | [
"*special",
"greedy",
"math"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 197
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:71-E | codeforces | 71-E | Nuclear Fusion | https://codeforces.com/problemset/problem/71/E | [
"bitmasks",
"dp"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 984
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:71-D | codeforces | 71-D | Solitaire | https://codeforces.com/problemset/problem/71/D | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 811
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:71-C | codeforces | 71-C | Round Table Knights | https://codeforces.com/problemset/problem/71/C | [
"dp",
"math",
"number theory"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 7438
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:71-B | codeforces | 71-B | Progress Bar | https://codeforces.com/problemset/problem/71/B | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 5420
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:71-A | codeforces | 71-A | Way Too Long Words | https://codeforces.com/problemset/problem/71/A | [
"strings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 522323
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:70-E | codeforces | 70-E | Information Reform | https://codeforces.com/problemset/problem/70/E | [
"dp",
"implementation",
"trees"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 625
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:70-D | codeforces | 70-D | Professor's task | https://codeforces.com/problemset/problem/70/D | [
"data structures",
"geometry"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 1170
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:70-C | codeforces | 70-C | Lucky Tickets | https://codeforces.com/problemset/problem/70/C | [
"binary search",
"data structures",
"sortings",
"two pointers"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 662
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:70-B | codeforces | 70-B | Text Messaging | https://codeforces.com/problemset/problem/70/B | [
"expression parsing",
"greedy",
"strings"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 2143
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:70-A | codeforces | 70-A | Cookies | https://codeforces.com/problemset/problem/70/A | [
"math"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 3594
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:69-E | codeforces | 69-E | Subsegments | https://codeforces.com/problemset/problem/69/E | [
"data structures",
"implementation"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 5181
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:69-D | codeforces | 69-D | Dot | https://codeforces.com/problemset/problem/69/D | [
"dp",
"games"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 1155
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:69-C | codeforces | 69-C | Game | https://codeforces.com/problemset/problem/69/C | [
"implementation"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 710
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:69-B | codeforces | 69-B | Bets | https://codeforces.com/problemset/problem/69/B | [
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 3667
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:69-A | codeforces | 69-A | Young Physicist | https://codeforces.com/problemset/problem/69/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 207548
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:68-E | codeforces | 68-E | Contact | https://codeforces.com/problemset/problem/68/E | [
"geometry"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 87
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:68-D | codeforces | 68-D | Half-decay tree | https://codeforces.com/problemset/problem/68/D | [
"data structures",
"divide and conquer",
"dp",
"math",
"probabilities"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 540
} | 2026-08-10T02:20:32.917453+00:00 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.