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value | difficulty_rating int64 800 3.5k ⌀ | stats dict | last_scraped_at stringclasses 2
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|---|---|---|---|---|---|---|---|---|---|---|---|
codeforces:575-I | codeforces | 575-I | Robots protection | https://codeforces.com/problemset/problem/575/I | [
"data structures"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 545
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:575-H | codeforces | 575-H | Bots | https://codeforces.com/problemset/problem/575/H | [
"combinatorics",
"dp",
"math",
"number theory"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 1869
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:575-G | codeforces | 575-G | Run for beer | https://codeforces.com/problemset/problem/575/G | [
"dfs and similar",
"shortest paths"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 995
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:575-F | codeforces | 575-F | Bulbo | https://codeforces.com/problemset/problem/575/F | [
"dp",
"greedy"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1102
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:575-E | codeforces | 575-E | Spectator Riots | https://codeforces.com/problemset/problem/575/E | [
"geometry"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 301
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:575-D | codeforces | 575-D | Tablecity | https://codeforces.com/problemset/problem/575/D | [
"constructive algorithms",
"implementation"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 1979
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:575-C | codeforces | 575-C | Party | https://codeforces.com/problemset/problem/575/C | [
"bitmasks",
"brute force",
"graph matchings"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 232
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:575-B | codeforces | 575-B | Bribes | https://codeforces.com/problemset/problem/575/B | [
"dfs and similar",
"graphs",
"trees"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1234
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:575-A | codeforces | 575-A | Fibonotci | https://codeforces.com/problemset/problem/575/A | [
"data structures",
"math",
"matrices"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 860
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:574-B | codeforces | 574-B | Bear and Three Musketeers | https://codeforces.com/problemset/problem/574/B | [
"brute force",
"dfs and similar",
"graphs",
"hashing"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 8312
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:574-A | codeforces | 574-A | Bear and Elections | https://codeforces.com/problemset/problem/574/A | [
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 9507
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:573-E | codeforces | 573-E | Bear and Bowling | https://codeforces.com/problemset/problem/573/E | [
"data structures",
"greedy"
] | null | null | stdin_stdout | 3,200 | {
"solved_count": 2039
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:573-D | codeforces | 573-D | Bear and Cavalry | https://codeforces.com/problemset/problem/573/D | [
"data structures",
"divide and conquer",
"dp"
] | null | null | stdin_stdout | 3,000 | {
"solved_count": 703
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:573-C | codeforces | 573-C | Bear and Drawing | https://codeforces.com/problemset/problem/573/C | [
"constructive algorithms",
"dfs and similar",
"trees"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1036
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:573-B | codeforces | 573-B | Bear and Blocks | https://codeforces.com/problemset/problem/573/B | [
"binary search",
"data structures",
"dp",
"math"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 6306
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:573-A | codeforces | 573-A | Bear and Poker | https://codeforces.com/problemset/problem/573/A | [
"implementation",
"math",
"number theory"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 18143
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:572-B | codeforces | 572-B | Order Book | https://codeforces.com/problemset/problem/572/B | [
"data structures",
"greedy",
"implementation",
"sortings"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 8073
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:572-A | codeforces | 572-A | Arrays | https://codeforces.com/problemset/problem/572/A | [
"sortings"
] | null | null | stdin_stdout | 900 | {
"solved_count": 18427
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:571-E | codeforces | 571-E | Geometric Progressions | https://codeforces.com/problemset/problem/571/E | [
"math"
] | null | null | stdin_stdout | 3,200 | {
"solved_count": 295
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:571-D | codeforces | 571-D | Campus | https://codeforces.com/problemset/problem/571/D | [
"binary search",
"data structures",
"dsu",
"trees"
] | null | null | stdin_stdout | 3,100 | {
"solved_count": 804
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:571-C | codeforces | 571-C | CNF 2 | https://codeforces.com/problemset/problem/571/C | [
"constructive algorithms",
"dfs and similar",
"graphs",
"greedy"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 718
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:571-B | codeforces | 571-B | Minimization | https://codeforces.com/problemset/problem/571/B | [
"dp",
"greedy",
"sortings"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 2816
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:571-A | codeforces | 571-A | Lengthening Sticks | https://codeforces.com/problemset/problem/571/A | [
"combinatorics",
"implementation",
"math"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 2667
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:570-E | codeforces | 570-E | Pig and Palindromes | https://codeforces.com/problemset/problem/570/E | [
"combinatorics",
"dp"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 2100
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:570-D | codeforces | 570-D | Tree Requests | https://codeforces.com/problemset/problem/570/D | [
"binary search",
"bitmasks",
"constructive algorithms",
"dfs and similar",
"graphs",
"trees"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 8961
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:570-C | codeforces | 570-C | Replacement | https://codeforces.com/problemset/problem/570/C | [
"constructive algorithms",
"data structures",
"implementation"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 9563
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:570-B | codeforces | 570-B | Simple Game | https://codeforces.com/problemset/problem/570/B | [
"constructive algorithms",
"games",
"greedy",
"implementation",
"math"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 16845
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:570-A | codeforces | 570-A | Elections | https://codeforces.com/problemset/problem/570/A | [
"implementation"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 14317
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:569-B | codeforces | 569-B | Inventory | https://codeforces.com/problemset/problem/569/B | [
"greedy",
"math"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 7495
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:569-A | codeforces | 569-A | Music | https://codeforces.com/problemset/problem/569/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 5056
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:568-E | codeforces | 568-E | Longest Increasing Subsequence | https://codeforces.com/problemset/problem/568/E | [
"data structures",
"dp"
] | null | null | stdin_stdout | 3,000 | {
"solved_count": 631
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:568-D | codeforces | 568-D | Sign Posts | https://codeforces.com/problemset/problem/568/D | [
"brute force",
"geometry",
"math"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 319
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:568-C | codeforces | 568-C | New Language | https://codeforces.com/problemset/problem/568/C | [
"2-sat",
"greedy"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 940
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:568-B | codeforces | 568-B | Symmetric and Transitive | https://codeforces.com/problemset/problem/568/B | [
"combinatorics",
"dp",
"math"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 2378
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:568-A | codeforces | 568-A | Primes or Palindromes? | https://codeforces.com/problemset/problem/568/A | [
"brute force",
"implementation",
"math",
"number theory"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 5389
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:567-F | codeforces | 567-F | Mausoleum | https://codeforces.com/problemset/problem/567/F | [
"dp"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 634
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:567-E | codeforces | 567-E | President and Roads | https://codeforces.com/problemset/problem/567/E | [
"dfs and similar",
"graphs",
"hashing",
"shortest paths"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 2210
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:567-D | codeforces | 567-D | One-Dimensional Battle Ships | https://codeforces.com/problemset/problem/567/D | [
"binary search",
"data structures",
"greedy",
"sortings"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 5224
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:567-C | codeforces | 567-C | Geometric Progression | https://codeforces.com/problemset/problem/567/C | [
"binary search",
"data structures",
"dp"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 10413
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:567-B | codeforces | 567-B | Berland National Library | https://codeforces.com/problemset/problem/567/B | [
"implementation"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 8688
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:567-A | codeforces | 567-A | Lineland Mail | https://codeforces.com/problemset/problem/567/A | [
"greedy",
"implementation"
] | null | null | stdin_stdout | 900 | {
"solved_count": 35849
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:566-G | codeforces | 566-G | Max and Min | https://codeforces.com/problemset/problem/566/G | [
"geometry"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 382
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:566-F | codeforces | 566-F | Clique in the Divisibility Graph | https://codeforces.com/problemset/problem/566/F | [
"dp",
"math",
"number theory"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 4287
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:566-E | codeforces | 566-E | Restoring Map | https://codeforces.com/problemset/problem/566/E | [
"bitmasks",
"constructive algorithms",
"trees"
] | null | null | stdin_stdout | 3,200 | {
"solved_count": 709
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:566-D | codeforces | 566-D | Restructuring Company | https://codeforces.com/problemset/problem/566/D | [
"data structures",
"dsu"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 3893
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:566-C | codeforces | 566-C | Logistical Questions | https://codeforces.com/problemset/problem/566/C | [
"dfs and similar",
"divide and conquer",
"trees"
] | null | null | stdin_stdout | 3,000 | {
"solved_count": 879
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:566-B | codeforces | 566-B | Replicating Processes | https://codeforces.com/problemset/problem/566/B | [
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 367
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:566-A | codeforces | 566-A | Matching Names | https://codeforces.com/problemset/problem/566/A | [
"dfs and similar",
"strings",
"trees"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1058
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:560-B | codeforces | 560-B | Gerald is into Art | https://codeforces.com/problemset/problem/560/B | [
"constructive algorithms",
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 8234
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:560-A | codeforces | 560-A | Currency System in Geraldion | https://codeforces.com/problemset/problem/560/A | [
"implementation",
"sortings"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 19816
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:559-E | codeforces | 559-E | Gerald and Path | https://codeforces.com/problemset/problem/559/E | [
"dp",
"sortings"
] | null | null | stdin_stdout | 3,000 | {
"solved_count": 1153
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:559-D | codeforces | 559-D | Randomizer | https://codeforces.com/problemset/problem/559/D | [
"combinatorics",
"geometry",
"probabilities"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 474
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:559-C | codeforces | 559-C | Gerald and Giant Chess | https://codeforces.com/problemset/problem/559/C | [
"combinatorics",
"dp",
"math",
"number theory"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 8013
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:559-B | codeforces | 559-B | Equivalent Strings | https://codeforces.com/problemset/problem/559/B | [
"divide and conquer",
"hashing",
"sortings",
"strings"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 11634
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:559-A | codeforces | 559-A | Gerald's Hexagon | https://codeforces.com/problemset/problem/559/A | [
"brute force",
"geometry",
"math"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 10875
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:558-E | codeforces | 558-E | A Simple Task | https://codeforces.com/problemset/problem/558/E | [
"data structures",
"sortings",
"strings"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 7343
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:558-D | codeforces | 558-D | Guess Your Way Out! II | https://codeforces.com/problemset/problem/558/D | [
"data structures",
"implementation",
"sortings"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1202
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:558-C | codeforces | 558-C | Amr and Chemistry | https://codeforces.com/problemset/problem/558/C | [
"brute force",
"graphs",
"greedy",
"math",
"shortest paths"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 4199
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:558-B | codeforces | 558-B | Amr and The Large Array | https://codeforces.com/problemset/problem/558/B | [
"implementation"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 8350
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:558-A | codeforces | 558-A | Lala Land and Apple Trees | https://codeforces.com/problemset/problem/558/A | [
"brute force",
"implementation",
"sortings"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 10977
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:557-E | codeforces | 557-E | Ann and Half-Palindrome | https://codeforces.com/problemset/problem/557/E | [
"data structures",
"dp",
"graphs",
"string suffix structures",
"strings",
"trees"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1210
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:557-D | codeforces | 557-D | Vitaly and Cycle | https://codeforces.com/problemset/problem/557/D | [
"combinatorics",
"dfs and similar",
"graphs",
"math"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 2371
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:557-C | codeforces | 557-C | Arthur and Table | https://codeforces.com/problemset/problem/557/C | [
"brute force",
"data structures",
"dp",
"greedy",
"math",
"sortings"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 4207
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:557-B | codeforces | 557-B | Pasha and Tea | https://codeforces.com/problemset/problem/557/B | [
"constructive algorithms",
"implementation",
"math",
"sortings"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 7479
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:557-A | codeforces | 557-A | Ilya and Diplomas | https://codeforces.com/problemset/problem/557/A | [
"greedy",
"implementation",
"math"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 8497
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:556-B | codeforces | 556-B | Case of Fake Numbers | https://codeforces.com/problemset/problem/556/B | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 8160
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:556-A | codeforces | 556-A | Case of the Zeros and Ones | https://codeforces.com/problemset/problem/556/A | [
"greedy"
] | null | null | stdin_stdout | 900 | {
"solved_count": 46172
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:555-E | codeforces | 555-E | Case of Computer Network | https://codeforces.com/problemset/problem/555/E | [
"dfs and similar",
"graphs",
"trees"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 2943
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:555-D | codeforces | 555-D | Case of a Top Secret | https://codeforces.com/problemset/problem/555/D | [
"binary search",
"implementation",
"math"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 929
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:555-C | codeforces | 555-C | Case of Chocolate | https://codeforces.com/problemset/problem/555/C | [
"data structures"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 2055
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:555-B | codeforces | 555-B | Case of Fugitive | https://codeforces.com/problemset/problem/555/B | [
"data structures",
"greedy",
"sortings"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 4072
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:555-A | codeforces | 555-A | Case of Matryoshkas | https://codeforces.com/problemset/problem/555/A | [
"implementation"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 6676
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:554-B | codeforces | 554-B | Ohana Cleans Up | https://codeforces.com/problemset/problem/554/B | [
"brute force",
"greedy",
"strings"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 10815
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:554-A | codeforces | 554-A | Kyoya and Photobooks | https://codeforces.com/problemset/problem/554/A | [
"brute force",
"math",
"strings"
] | null | null | stdin_stdout | 900 | {
"solved_count": 14470
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:553-E | codeforces | 553-E | Kyoya and Train | https://codeforces.com/problemset/problem/553/E | [
"dp",
"fft",
"graphs",
"math",
"probabilities"
] | null | null | stdin_stdout | 3,200 | {
"solved_count": 617
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:553-D | codeforces | 553-D | Nudist Beach | https://codeforces.com/problemset/problem/553/D | [
"binary search",
"graphs",
"greedy"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1077
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:553-C | codeforces | 553-C | Love Triangles | https://codeforces.com/problemset/problem/553/C | [
"dfs and similar",
"dsu",
"graphs"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1957
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:553-B | codeforces | 553-B | Kyoya and Permutation | https://codeforces.com/problemset/problem/553/B | [
"binary search",
"combinatorics",
"constructive algorithms",
"greedy",
"implementation",
"math"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 2259
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:553-A | codeforces | 553-A | Kyoya and Colored Balls | https://codeforces.com/problemset/problem/553/A | [
"combinatorics",
"dp",
"math"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 9777
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:552-E | codeforces | 552-E | Vanya and Brackets | https://codeforces.com/problemset/problem/552/E | [
"brute force",
"dp",
"expression parsing",
"greedy",
"implementation",
"strings"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1720
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:552-D | codeforces | 552-D | Vanya and Triangles | https://codeforces.com/problemset/problem/552/D | [
"brute force",
"combinatorics",
"data structures",
"geometry",
"math",
"sortings"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 4818
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:552-C | codeforces | 552-C | Vanya and Scales | https://codeforces.com/problemset/problem/552/C | [
"brute force",
"dp",
"greedy",
"math",
"meet-in-the-middle",
"number theory"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 5841
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:552-B | codeforces | 552-B | Vanya and Books | https://codeforces.com/problemset/problem/552/B | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 16025
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:552-A | codeforces | 552-A | Vanya and Table | https://codeforces.com/problemset/problem/552/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 10133
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:551-E | codeforces | 551-E | GukiZ and GukiZiana | https://codeforces.com/problemset/problem/551/E | [
"binary search",
"data structures",
"implementation"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 2126
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:551-D | codeforces | 551-D | GukiZ and Binary Operations | https://codeforces.com/problemset/problem/551/D | [
"combinatorics",
"implementation",
"math",
"matrices",
"number theory"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 2080
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:551-C | codeforces | 551-C | GukiZ hates Boxes | https://codeforces.com/problemset/problem/551/C | [
"binary search",
"greedy"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 3974
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:551-B | codeforces | 551-B | ZgukistringZ | https://codeforces.com/problemset/problem/551/B | [
"brute force",
"constructive algorithms",
"implementation",
"strings"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 4058
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:551-A | codeforces | 551-A | GukiZ and Contest | https://codeforces.com/problemset/problem/551/A | [
"brute force",
"implementation",
"sortings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 17822
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:550-E | codeforces | 550-E | Brackets in Implications | https://codeforces.com/problemset/problem/550/E | [
"constructive algorithms",
"greedy",
"implementation",
"math"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1498
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:550-D | codeforces | 550-D | Regular Bridge | https://codeforces.com/problemset/problem/550/D | [
"constructive algorithms",
"graphs",
"implementation"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 3769
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:550-C | codeforces | 550-C | Divisibility by Eight | https://codeforces.com/problemset/problem/550/C | [
"brute force",
"dp",
"math"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 32039
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:550-B | codeforces | 550-B | Preparing Olympiad | https://codeforces.com/problemset/problem/550/B | [
"bitmasks",
"brute force"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 27131
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:550-A | codeforces | 550-A | Two Substrings | https://codeforces.com/problemset/problem/550/A | [
"brute force",
"dp",
"greedy",
"implementation",
"strings"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 43502
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:549-H | codeforces | 549-H | Degenerate Matrix | https://codeforces.com/problemset/problem/549/H | [
"binary search",
"math"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 2088
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:549-G | codeforces | 549-G | Happy Line | https://codeforces.com/problemset/problem/549/G | [
"constructive algorithms",
"greedy",
"sortings"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 2650
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:549-F | codeforces | 549-F | Yura and Developers | https://codeforces.com/problemset/problem/549/F | [
"data structures",
"divide and conquer"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 1022
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:549-E | codeforces | 549-E | Sasha Circle | https://codeforces.com/problemset/problem/549/E | [
"geometry",
"math"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 172
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:549-D | codeforces | 549-D | Haar Features | https://codeforces.com/problemset/problem/549/D | [
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 2249
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:549-C | codeforces | 549-C | The Game Of Parity | https://codeforces.com/problemset/problem/549/C | [
"games"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1820
} | 2026-04-13T03:38:27.662191+00:00 |
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