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value | difficulty_rating int64 800 3.5k ⌀ | stats dict | last_scraped_at stringclasses 2
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|---|---|---|---|---|---|---|---|---|---|---|---|
codeforces:421-D | codeforces | 421-D | Bug in Code | https://codeforces.com/problemset/problem/421/D | [
"binary search",
"data structures",
"sortings"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 691
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:421-A | codeforces | 421-A | Pasha and Hamsters | https://codeforces.com/problemset/problem/421/A | [
"constructive algorithms",
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 6869
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:420-E | codeforces | 420-E | Playing the ball | https://codeforces.com/problemset/problem/420/E | [
"geometry"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 263
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:420-D | codeforces | 420-D | Cup Trick | https://codeforces.com/problemset/problem/420/D | [
"data structures"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 991
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:420-C | codeforces | 420-C | Bug in Code | https://codeforces.com/problemset/problem/420/C | [
"data structures",
"graphs",
"implementation",
"two pointers"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 1387
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:420-B | codeforces | 420-B | Online Meeting | https://codeforces.com/problemset/problem/420/B | [
"implementation"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 1163
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:420-A | codeforces | 420-A | Start Up | https://codeforces.com/problemset/problem/420/A | [
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 7015
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:418-E | codeforces | 418-E | Tricky Password | https://codeforces.com/problemset/problem/418/E | [
"data structures"
] | null | null | stdin_stdout | 3,100 | {
"solved_count": 348
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:418-D | codeforces | 418-D | Big Problems for Organizers | https://codeforces.com/problemset/problem/418/D | [
"data structures",
"graphs",
"trees"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 543
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:417-E | codeforces | 417-E | Square Table | https://codeforces.com/problemset/problem/417/E | [
"constructive algorithms",
"math",
"probabilities"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 923
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:417-D | codeforces | 417-D | Cunning Gena | https://codeforces.com/problemset/problem/417/D | [
"bitmasks",
"dp",
"greedy",
"sortings"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 2898
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:417-C | codeforces | 417-C | Football | https://codeforces.com/problemset/problem/417/C | [
"constructive algorithms",
"graphs",
"implementation"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 5029
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:417-B | codeforces | 417-B | Crash | https://codeforces.com/problemset/problem/417/B | [
"implementation"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 2016
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:417-A | codeforces | 417-A | Elimination | https://codeforces.com/problemset/problem/417/A | [
"dp",
"implementation",
"math"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 3405
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:416-E | codeforces | 416-E | President's Path | https://codeforces.com/problemset/problem/416/E | [
"dp",
"graphs",
"shortest paths"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 1794
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:416-D | codeforces | 416-D | Population Size | https://codeforces.com/problemset/problem/416/D | [
"greedy",
"implementation",
"math"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 1087
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:416-C | codeforces | 416-C | Booking System | https://codeforces.com/problemset/problem/416/C | [
"binary search",
"dp",
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 8687
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:416-B | codeforces | 416-B | Art Union | https://codeforces.com/problemset/problem/416/B | [
"brute force",
"dp",
"implementation"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 9313
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:416-A | codeforces | 416-A | Guess a number! | https://codeforces.com/problemset/problem/416/A | [
"greedy",
"implementation",
"two pointers"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 9885
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:415-B | codeforces | 415-B | Mashmokh and Tokens | https://codeforces.com/problemset/problem/415/B | [
"binary search",
"greedy",
"implementation",
"math"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 6681
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:415-A | codeforces | 415-A | Mashmokh and Lights | https://codeforces.com/problemset/problem/415/A | [
"implementation"
] | null | null | stdin_stdout | 900 | {
"solved_count": 9568
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:414-E | codeforces | 414-E | Mashmokh's Designed Problem | https://codeforces.com/problemset/problem/414/E | [
"data structures"
] | null | null | stdin_stdout | 3,200 | {
"solved_count": 209
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:414-D | codeforces | 414-D | Mashmokh and Water Tanks | https://codeforces.com/problemset/problem/414/D | [
"binary search",
"data structures",
"greedy",
"trees",
"two pointers"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 745
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:414-C | codeforces | 414-C | Mashmokh and Reverse Operation | https://codeforces.com/problemset/problem/414/C | [
"combinatorics",
"divide and conquer"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 2351
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:414-B | codeforces | 414-B | Mashmokh and ACM | https://codeforces.com/problemset/problem/414/B | [
"combinatorics",
"dp",
"number theory"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 28957
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:414-A | codeforces | 414-A | Mashmokh and Numbers | https://codeforces.com/problemset/problem/414/A | [
"constructive algorithms",
"number theory"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 10536
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:413-E | codeforces | 413-E | Maze 2D | https://codeforces.com/problemset/problem/413/E | [
"data structures",
"divide and conquer"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 843
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:413-D | codeforces | 413-D | 2048 | https://codeforces.com/problemset/problem/413/D | [
"bitmasks",
"dp"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 904
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:413-C | codeforces | 413-C | Jeopardy! | https://codeforces.com/problemset/problem/413/C | [
"greedy",
"math"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 2672
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:413-B | codeforces | 413-B | Spyke Chatting | https://codeforces.com/problemset/problem/413/B | [
"implementation"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 1833
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:413-A | codeforces | 413-A | Data Recovery | https://codeforces.com/problemset/problem/413/A | [
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 2957
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:412-E | codeforces | 412-E | E-mail Addresses | https://codeforces.com/problemset/problem/412/E | [
"implementation"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 934
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:412-D | codeforces | 412-D | Giving Awards | https://codeforces.com/problemset/problem/412/D | [
"dfs and similar"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 2424
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:412-C | codeforces | 412-C | Pattern | https://codeforces.com/problemset/problem/412/C | [
"implementation",
"strings"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 4195
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:412-B | codeforces | 412-B | Network Configuration | https://codeforces.com/problemset/problem/412/B | [
"greedy",
"sortings"
] | null | null | stdin_stdout | 900 | {
"solved_count": 6334
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:412-A | codeforces | 412-A | Poster | https://codeforces.com/problemset/problem/412/A | [
"greedy",
"implementation"
] | null | null | stdin_stdout | 900 | {
"solved_count": 4938
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:411-C | codeforces | 411-C | Kicker | https://codeforces.com/problemset/problem/411/C | [
"*special",
"implementation"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 1290
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:411-B | codeforces | 411-B | Multi-core Processor | https://codeforces.com/problemset/problem/411/B | [
"implementation"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 1396
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:411-A | codeforces | 411-A | Password Check | https://codeforces.com/problemset/problem/411/A | [
"*special",
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 8075
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:409-I | codeforces | 409-I | Feed the Golorp | https://codeforces.com/problemset/problem/409/I | [
"*special"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 155
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:409-H | codeforces | 409-H | A + B Strikes Back | https://codeforces.com/problemset/problem/409/H | [
"*special",
"brute force",
"constructive algorithms",
"dsu",
"implementation"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 9480
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:409-G | codeforces | 409-G | On a plane | https://codeforces.com/problemset/problem/409/G | [
"*special",
"geometry"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 561
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:409-F | codeforces | 409-F | 000001 | https://codeforces.com/problemset/problem/409/F | [
"*special"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 2171
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:409-E | codeforces | 409-E | Dome | https://codeforces.com/problemset/problem/409/E | [
"*special"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 617
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:409-D | codeforces | 409-D | Big Data | https://codeforces.com/problemset/problem/409/D | [
"*special"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 1803
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:409-C | codeforces | 409-C | Magnum Opus | https://codeforces.com/problemset/problem/409/C | [
"*special"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 2132
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:409-B | codeforces | 409-B | Mysterious Language | https://codeforces.com/problemset/problem/409/B | [
"*special"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 1427
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:409-A | codeforces | 409-A | The Great Game | https://codeforces.com/problemset/problem/409/A | [
"*special"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 2619
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:408-B | codeforces | 408-B | Garland | https://codeforces.com/problemset/problem/408/B | [
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 10263
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:408-A | codeforces | 408-A | Line to Cashier | https://codeforces.com/problemset/problem/408/A | [
"implementation"
] | null | null | stdin_stdout | 900 | {
"solved_count": 11950
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:407-E | codeforces | 407-E | k-d-sequence | https://codeforces.com/problemset/problem/407/E | [
"data structures"
] | null | null | stdin_stdout | 3,100 | {
"solved_count": 968
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:407-D | codeforces | 407-D | Largest Submatrix 3 | https://codeforces.com/problemset/problem/407/D | [
"dp",
"hashing"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 801
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:407-C | codeforces | 407-C | Curious Array | https://codeforces.com/problemset/problem/407/C | [
"brute force",
"combinatorics",
"implementation",
"math"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 1186
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:407-B | codeforces | 407-B | Long Path | https://codeforces.com/problemset/problem/407/B | [
"dp",
"implementation"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 7145
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:407-A | codeforces | 407-A | Triangle | https://codeforces.com/problemset/problem/407/A | [
"brute force",
"geometry",
"implementation",
"math"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 5160
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:406-E | codeforces | 406-E | Hamming Triples | https://codeforces.com/problemset/problem/406/E | [
"implementation",
"math",
"two pointers"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 270
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:406-D | codeforces | 406-D | Hill Climbing | https://codeforces.com/problemset/problem/406/D | [
"dfs and similar",
"geometry",
"trees"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1262
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:405-E | codeforces | 405-E | Graph Cutting | https://codeforces.com/problemset/problem/405/E | [
"dfs and similar",
"graphs"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1592
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:405-D | codeforces | 405-D | Toy Sum | https://codeforces.com/problemset/problem/405/D | [
"greedy",
"implementation",
"math"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 3279
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:405-C | codeforces | 405-C | Unusual Product | https://codeforces.com/problemset/problem/405/C | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 4922
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:405-B | codeforces | 405-B | Domino Effect | https://codeforces.com/problemset/problem/405/B | [] | null | null | stdin_stdout | 1,100 | {
"solved_count": 6103
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:405-A | codeforces | 405-A | Gravity Flip | https://codeforces.com/problemset/problem/405/A | [
"greedy",
"implementation",
"sortings"
] | null | null | stdin_stdout | 900 | {
"solved_count": 125640
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:404-E | codeforces | 404-E | Maze 1D | https://codeforces.com/problemset/problem/404/E | [
"binary search",
"greedy",
"implementation"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 636
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:404-D | codeforces | 404-D | Minesweeper 1D | https://codeforces.com/problemset/problem/404/D | [
"dp",
"implementation"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 2448
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:404-C | codeforces | 404-C | Restore Graph | https://codeforces.com/problemset/problem/404/C | [
"dfs and similar",
"graphs",
"sortings"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 5778
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:404-B | codeforces | 404-B | Marathon | https://codeforces.com/problemset/problem/404/B | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 3042
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:404-A | codeforces | 404-A | Valera and X | https://codeforces.com/problemset/problem/404/A | [
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 26137
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:403-E | codeforces | 403-E | Two Rooted Trees | https://codeforces.com/problemset/problem/403/E | [
"data structures",
"implementation",
"trees"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 240
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:403-D | codeforces | 403-D | Beautiful Pairs of Numbers | https://codeforces.com/problemset/problem/403/D | [
"combinatorics",
"dp"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1229
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:402-E | codeforces | 402-E | Strictly Positive Matrix | https://codeforces.com/problemset/problem/402/E | [
"graphs",
"math"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 2321
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:402-D | codeforces | 402-D | Upgrading Array | https://codeforces.com/problemset/problem/402/D | [
"dp",
"greedy",
"math",
"number theory"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 2779
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:402-C | codeforces | 402-C | Searching for Graph | https://codeforces.com/problemset/problem/402/C | [
"brute force",
"constructive algorithms",
"graphs"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 6352
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:402-B | codeforces | 402-B | Trees in a Row | https://codeforces.com/problemset/problem/402/B | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 3989
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:402-A | codeforces | 402-A | Nuts | https://codeforces.com/problemset/problem/402/A | [
"greedy",
"math"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 4866
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:401-D | codeforces | 401-D | Roman and Numbers | https://codeforces.com/problemset/problem/401/D | [
"bitmasks",
"brute force",
"combinatorics",
"dp",
"number theory"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 4548
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:401-C | codeforces | 401-C | Team | https://codeforces.com/problemset/problem/401/C | [
"constructive algorithms",
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 21653
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:401-B | codeforces | 401-B | Sereja and Contests | https://codeforces.com/problemset/problem/401/B | [
"greedy",
"implementation",
"math"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 4591
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:401-A | codeforces | 401-A | Vanya and Cards | https://codeforces.com/problemset/problem/401/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 17393
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:400-E | codeforces | 400-E | Inna and Binary Logic | https://codeforces.com/problemset/problem/400/E | [
"binary search",
"bitmasks",
"data structures"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1036
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:400-D | codeforces | 400-D | Dima and Bacteria | https://codeforces.com/problemset/problem/400/D | [
"dsu",
"graphs",
"shortest paths"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 3160
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:400-C | codeforces | 400-C | Inna and Huge Candy Matrix | https://codeforces.com/problemset/problem/400/C | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 3002
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:400-B | codeforces | 400-B | Inna and New Matrix of Candies | https://codeforces.com/problemset/problem/400/B | [
"brute force",
"implementation",
"schedules"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 8583
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:400-A | codeforces | 400-A | Inna and Choose Options | https://codeforces.com/problemset/problem/400/A | [
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 6858
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:399-B | codeforces | 399-B | Red and Blue Balls | https://codeforces.com/problemset/problem/399/B | [] | null | null | stdin_stdout | null | {
"solved_count": 1880
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:399-A | codeforces | 399-A | Pages | https://codeforces.com/problemset/problem/399/A | [
"implementation"
] | null | null | stdin_stdout | null | {
"solved_count": 4227
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:398-E | codeforces | 398-E | Sorting Permutations | https://codeforces.com/problemset/problem/398/E | [] | null | null | stdin_stdout | null | {
"solved_count": 124
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:398-D | codeforces | 398-D | Instant Messanger | https://codeforces.com/problemset/problem/398/D | [
"data structures"
] | null | null | stdin_stdout | null | {
"solved_count": 1255
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:398-C | codeforces | 398-C | Tree and Array | https://codeforces.com/problemset/problem/398/C | [
"constructive algorithms"
] | null | null | stdin_stdout | null | {
"solved_count": 219
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:398-B | codeforces | 398-B | Painting The Wall | https://codeforces.com/problemset/problem/398/B | [
"dp",
"probabilities"
] | null | null | stdin_stdout | null | {
"solved_count": 1182
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:398-A | codeforces | 398-A | Cards | https://codeforces.com/problemset/problem/398/A | [
"constructive algorithms",
"implementation"
] | null | null | stdin_stdout | null | {
"solved_count": 955
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:397-B | codeforces | 397-B | On Corruption and Numbers | https://codeforces.com/problemset/problem/397/B | [
"constructive algorithms",
"implementation",
"math"
] | null | null | stdin_stdout | null | {
"solved_count": 831
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:397-A | codeforces | 397-A | On Segment's Own Points | https://codeforces.com/problemset/problem/397/A | [
"implementation"
] | null | null | stdin_stdout | null | {
"solved_count": 2721
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:396-E | codeforces | 396-E | On Iteration of One Well-Known Function | https://codeforces.com/problemset/problem/396/E | [
"math"
] | null | null | stdin_stdout | null | {
"solved_count": 167
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:396-D | codeforces | 396-D | On Sum of Number of Inversions in Permutations | https://codeforces.com/problemset/problem/396/D | [
"combinatorics",
"math"
] | null | null | stdin_stdout | null | {
"solved_count": 463
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:396-C | codeforces | 396-C | On Changing Tree | https://codeforces.com/problemset/problem/396/C | [
"data structures",
"graphs",
"trees"
] | null | null | stdin_stdout | null | {
"solved_count": 1792
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:396-B | codeforces | 396-B | On Sum of Fractions | https://codeforces.com/problemset/problem/396/B | [
"math",
"number theory"
] | null | null | stdin_stdout | null | {
"solved_count": 1185
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:396-A | codeforces | 396-A | On Number of Decompositions into Multipliers | https://codeforces.com/problemset/problem/396/A | [
"combinatorics",
"math",
"number theory"
] | null | null | stdin_stdout | null | {
"solved_count": 1622
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:394-E | codeforces | 394-E | Lightbulb for Minister | https://codeforces.com/problemset/problem/394/E | [
"geometry"
] | null | null | stdin_stdout | null | {
"solved_count": 130
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:394-D | codeforces | 394-D | Physical Education and Buns | https://codeforces.com/problemset/problem/394/D | [
"brute force",
"implementation",
"math"
] | null | null | stdin_stdout | null | {
"solved_count": 296
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:394-C | codeforces | 394-C | Dominoes | https://codeforces.com/problemset/problem/394/C | [
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | null | {
"solved_count": 556
} | 2026-04-13T03:38:27.662191+00:00 |
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