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value | difficulty_rating int64 800 3.5k ⌀ | stats dict | last_scraped_at stringclasses 2
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codeforces:1907-F | codeforces | 1907-F | Shift and Reverse | https://codeforces.com/problemset/problem/1907/F | [
"greedy",
"sortings"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 6024
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1907-E | codeforces | 1907-E | Good Triples | https://codeforces.com/problemset/problem/1907/E | [
"brute force",
"combinatorics",
"number theory"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 16053
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1907-D | codeforces | 1907-D | Jumping Through Segments | https://codeforces.com/problemset/problem/1907/D | [
"binary search",
"constructive algorithms"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 23992
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1907-C | codeforces | 1907-C | Removal of Unattractive Pairs | https://codeforces.com/problemset/problem/1907/C | [
"constructive algorithms",
"greedy",
"math",
"strings"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 23224
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1907-B | codeforces | 1907-B | YetnotherrokenKeoard | https://codeforces.com/problemset/problem/1907/B | [
"data structures",
"implementation",
"strings"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 30566
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1907-A | codeforces | 1907-A | Rook | https://codeforces.com/problemset/problem/1907/A | [
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 41921
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1906-M | codeforces | 1906-M | Triangle Construction | https://codeforces.com/problemset/problem/1906/M | [
"greedy",
"math"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 3479
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1906-L | codeforces | 1906-L | Palindromic Parentheses | https://codeforces.com/problemset/problem/1906/L | [
"constructive algorithms"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 769
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1906-K | codeforces | 1906-K | Deck-Building Game | https://codeforces.com/problemset/problem/1906/K | [
"divide and conquer",
"math"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 577
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1906-J | codeforces | 1906-J | Count BFS Graph | https://codeforces.com/problemset/problem/1906/J | [
"combinatorics",
"dp"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1103
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1906-I | codeforces | 1906-I | Contingency Plan 2 | https://codeforces.com/problemset/problem/1906/I | [
"graph matchings"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 224
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1906-H | codeforces | 1906-H | Twin Friends | https://codeforces.com/problemset/problem/1906/H | [
"combinatorics",
"dp"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1097
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1906-G | codeforces | 1906-G | Grid Game 2 | https://codeforces.com/problemset/problem/1906/G | [
"games",
"number theory"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 336
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1906-F | codeforces | 1906-F | Maximize The Value | https://codeforces.com/problemset/problem/1906/F | [
"data structures",
"sortings"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1699
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1906-E | codeforces | 1906-E | Merge Not Sort | https://codeforces.com/problemset/problem/1906/E | [
"constructive algorithms",
"dp"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 2459
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1906-D | codeforces | 1906-D | Spaceship Exploration | https://codeforces.com/problemset/problem/1906/D | [
"binary search",
"geometry"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 170
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1906-C | codeforces | 1906-C | Cursed Game | https://codeforces.com/problemset/problem/1906/C | [
"interactive"
] | null | null | stdin_stdout | 3,000 | {
"solved_count": 288
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1906-B | codeforces | 1906-B | Button Pressing | https://codeforces.com/problemset/problem/1906/B | [
"bitmasks",
"constructive algorithms",
"hashing"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 830
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1906-A | codeforces | 1906-A | Easy As ABC | https://codeforces.com/problemset/problem/1906/A | [
"brute force"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 6102
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1905-F | codeforces | 1905-F | Field Should Not Be Empty | https://codeforces.com/problemset/problem/1905/F | [
"brute force",
"data structures",
"divide and conquer"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 756
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1905-E | codeforces | 1905-E | One-X | https://codeforces.com/problemset/problem/1905/E | [
"combinatorics",
"dfs and similar",
"dp",
"math",
"trees"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 1273
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1905-D | codeforces | 1905-D | Cyclic MEX | https://codeforces.com/problemset/problem/1905/D | [
"data structures",
"implementation",
"math",
"two pointers"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 4643
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1905-C | codeforces | 1905-C | Largest Subsequence | https://codeforces.com/problemset/problem/1905/C | [
"greedy",
"strings"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 14269
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1905-B | codeforces | 1905-B | Begginer's Zelda | https://codeforces.com/problemset/problem/1905/B | [
"greedy",
"trees"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 18645
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1905-A | codeforces | 1905-A | Constructive Problems | https://codeforces.com/problemset/problem/1905/A | [
"constructive algorithms",
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 24469
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1904-F | codeforces | 1904-F | Beautiful Tree | https://codeforces.com/problemset/problem/1904/F | [
"data structures",
"dfs and similar",
"graphs",
"implementation",
"trees"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 518
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1904-E | codeforces | 1904-E | Tree Queries | https://codeforces.com/problemset/problem/1904/E | [
"data structures",
"dfs and similar",
"graphs",
"implementation",
"trees"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 1301
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1904-D2 | codeforces | 1904-D2 | Set To Max (Hard Version) | https://codeforces.com/problemset/problem/1904/D2 | [
"constructive algorithms",
"data structures",
"divide and conquer",
"greedy",
"implementation",
"sortings"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 5754
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1904-D1 | codeforces | 1904-D1 | Set To Max (Easy Version) | https://codeforces.com/problemset/problem/1904/D1 | [
"brute force",
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 8683
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1904-C | codeforces | 1904-C | Array Game | https://codeforces.com/problemset/problem/1904/C | [
"binary search",
"brute force",
"data structures",
"sortings",
"two pointers"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 24050
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1904-B | codeforces | 1904-B | Collecting Game | https://codeforces.com/problemset/problem/1904/B | [
"binary search",
"dp",
"greedy",
"sortings",
"two pointers"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 28536
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1904-A | codeforces | 1904-A | Forked! | https://codeforces.com/problemset/problem/1904/A | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 900 | {
"solved_count": 41451
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1903-F | codeforces | 1903-F | Babysitting | https://codeforces.com/problemset/problem/1903/F | [
"2-sat",
"binary search",
"data structures",
"graphs",
"trees"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 927
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1903-E | codeforces | 1903-E | Geo Game | https://codeforces.com/problemset/problem/1903/E | [
"greedy",
"interactive",
"math"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 2526
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1903-D2 | codeforces | 1903-D2 | Maximum And Queries (hard version) | https://codeforces.com/problemset/problem/1903/D2 | [
"bitmasks",
"divide and conquer",
"dp",
"greedy"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 1032
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1903-D1 | codeforces | 1903-D1 | Maximum And Queries (easy version) | https://codeforces.com/problemset/problem/1903/D1 | [
"binary search",
"bitmasks",
"brute force",
"greedy"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 7320
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1903-C | codeforces | 1903-C | Theofanis' Nightmare | https://codeforces.com/problemset/problem/1903/C | [
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 14553
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1903-B | codeforces | 1903-B | StORage room | https://codeforces.com/problemset/problem/1903/B | [
"bitmasks",
"brute force",
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 14886
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1903-A | codeforces | 1903-A | Halloumi Boxes | https://codeforces.com/problemset/problem/1903/A | [
"brute force",
"greedy",
"sortings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 82192
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1902-F | codeforces | 1902-F | Trees and XOR Queries Again | https://codeforces.com/problemset/problem/1902/F | [
"data structures",
"dfs and similar",
"divide and conquer",
"graphs",
"implementation",
"math",
"trees"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 1492
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1902-E | codeforces | 1902-E | Collapsing Strings | https://codeforces.com/problemset/problem/1902/E | [
"data structures",
"strings",
"trees"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 5688
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1902-D | codeforces | 1902-D | Robot Queries | https://codeforces.com/problemset/problem/1902/D | [
"binary search",
"data structures",
"dp",
"implementation"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 5361
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1902-C | codeforces | 1902-C | Insert and Equalize | https://codeforces.com/problemset/problem/1902/C | [
"brute force",
"constructive algorithms",
"greedy",
"math",
"number theory"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 17145
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1902-B | codeforces | 1902-B | Getting Points | https://codeforces.com/problemset/problem/1902/B | [
"binary search",
"brute force",
"greedy"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 16491
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1902-A | codeforces | 1902-A | Binary Imbalance | https://codeforces.com/problemset/problem/1902/A | [
"constructive algorithms"
] | null | null | stdin_stdout | 800 | {
"solved_count": 23323
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1901-F | codeforces | 1901-F | Landscaping | https://codeforces.com/problemset/problem/1901/F | [
"binary search",
"geometry",
"two pointers"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 188
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1901-E | codeforces | 1901-E | Compressed Tree | https://codeforces.com/problemset/problem/1901/E | [
"dfs and similar",
"dp",
"graphs",
"greedy",
"sortings",
"trees"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1993
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1901-D | codeforces | 1901-D | Yet Another Monster Fight | https://codeforces.com/problemset/problem/1901/D | [
"binary search",
"dp",
"greedy",
"implementation",
"math"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 8642
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1901-C | codeforces | 1901-C | Add, Divide and Floor | https://codeforces.com/problemset/problem/1901/C | [
"constructive algorithms",
"greedy",
"math"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 14307
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1901-B | codeforces | 1901-B | Chip and Ribbon | https://codeforces.com/problemset/problem/1901/B | [
"greedy",
"math"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 17013
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1901-A | codeforces | 1901-A | Line Trip | https://codeforces.com/problemset/problem/1901/A | [
"greedy",
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 77346
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1900-F | codeforces | 1900-F | Local Deletions | https://codeforces.com/problemset/problem/1900/F | [
"binary search",
"data structures",
"implementation"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 360
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1900-E | codeforces | 1900-E | Transitive Graph | https://codeforces.com/problemset/problem/1900/E | [
"dfs and similar",
"dp",
"dsu",
"graphs",
"implementation"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 2655
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1900-D | codeforces | 1900-D | Small GCD | https://codeforces.com/problemset/problem/1900/D | [
"bitmasks",
"brute force",
"dp",
"math",
"number theory"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 5392
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1900-C | codeforces | 1900-C | Anji's Binary Tree | https://codeforces.com/problemset/problem/1900/C | [
"dfs and similar",
"dp",
"trees"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 15096
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1900-B | codeforces | 1900-B | Laura and Operations | https://codeforces.com/problemset/problem/1900/B | [
"dp",
"math"
] | null | null | stdin_stdout | 900 | {
"solved_count": 20624
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1900-A | codeforces | 1900-A | Cover in Water | https://codeforces.com/problemset/problem/1900/A | [
"constructive algorithms",
"greedy",
"implementation",
"strings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 66016
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1899-G | codeforces | 1899-G | Unusual Entertainment | https://codeforces.com/problemset/problem/1899/G | [
"data structures",
"dfs and similar",
"dsu",
"shortest paths",
"sortings",
"trees",
"two pointers"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 4052
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1899-F | codeforces | 1899-F | Alex's whims | https://codeforces.com/problemset/problem/1899/F | [
"constructive algorithms",
"graphs",
"greedy",
"shortest paths",
"trees"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 9568
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1899-E | codeforces | 1899-E | Queue Sort | https://codeforces.com/problemset/problem/1899/E | [
"greedy",
"implementation",
"sortings"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 18347
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1899-D | codeforces | 1899-D | Yarik and Musical Notes | https://codeforces.com/problemset/problem/1899/D | [
"hashing",
"math",
"number theory"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 15690
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1899-C | codeforces | 1899-C | Yarik and Array | https://codeforces.com/problemset/problem/1899/C | [
"dp",
"greedy",
"two pointers"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 35534
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1899-B | codeforces | 1899-B | 250 Thousand Tons of TNT | https://codeforces.com/problemset/problem/1899/B | [
"brute force",
"implementation",
"number theory"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 33955
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1899-A | codeforces | 1899-A | Game with Integers | https://codeforces.com/problemset/problem/1899/A | [
"games",
"math",
"number theory"
] | null | null | stdin_stdout | 800 | {
"solved_count": 94887
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1898-F | codeforces | 1898-F | Vova Escapes the Matrix | https://codeforces.com/problemset/problem/1898/F | [
"brute force",
"dfs and similar",
"divide and conquer",
"shortest paths"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 943
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1898-E | codeforces | 1898-E | Sofia and Strings | https://codeforces.com/problemset/problem/1898/E | [
"data structures",
"greedy",
"sortings",
"strings",
"two pointers"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 2730
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1898-D | codeforces | 1898-D | Absolute Beauty | https://codeforces.com/problemset/problem/1898/D | [
"greedy",
"math"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 6676
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1898-C | codeforces | 1898-C | Colorful Grid | https://codeforces.com/problemset/problem/1898/C | [
"constructive algorithms"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 6535
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1898-B | codeforces | 1898-B | Milena and Admirer | https://codeforces.com/problemset/problem/1898/B | [
"greedy",
"math"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 14686
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1898-A | codeforces | 1898-A | Milica and String | https://codeforces.com/problemset/problem/1898/A | [
"brute force",
"implementation",
"strings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 17468
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1896-H2 | codeforces | 1896-H2 | Cyclic Hamming (Hard Version) | https://codeforces.com/problemset/problem/1896/H2 | [
"brute force",
"dp",
"fft",
"math",
"number theory"
] | null | null | stdin_stdout | 3,500 | {
"solved_count": 144
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1896-H1 | codeforces | 1896-H1 | Cyclic Hamming (Easy Version) | https://codeforces.com/problemset/problem/1896/H1 | [
"brute force",
"divide and conquer",
"dp",
"fft",
"math",
"number theory"
] | null | null | stdin_stdout | 3,400 | {
"solved_count": 120
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1896-G | codeforces | 1896-G | Pepe Racing | https://codeforces.com/problemset/problem/1896/G | [
"constructive algorithms",
"implementation",
"interactive",
"sortings"
] | null | null | stdin_stdout | 3,200 | {
"solved_count": 429
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1896-F | codeforces | 1896-F | Bracket Xoring | https://codeforces.com/problemset/problem/1896/F | [
"constructive algorithms",
"greedy",
"implementation",
"math"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 965
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1896-E | codeforces | 1896-E | Permutation Sorting | https://codeforces.com/problemset/problem/1896/E | [
"data structures",
"sortings"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 2749
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1896-D | codeforces | 1896-D | Ones and Twos | https://codeforces.com/problemset/problem/1896/D | [
"binary search",
"data structures",
"divide and conquer",
"math",
"two pointers"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 7033
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1896-C | codeforces | 1896-C | Matching Arrays | https://codeforces.com/problemset/problem/1896/C | [
"binary search",
"constructive algorithms",
"greedy",
"sortings"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 11663
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1896-B | codeforces | 1896-B | AB Flipping | https://codeforces.com/problemset/problem/1896/B | [
"greedy",
"strings",
"two pointers"
] | null | null | stdin_stdout | 900 | {
"solved_count": 18510
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1896-A | codeforces | 1896-A | Jagged Swaps | https://codeforces.com/problemset/problem/1896/A | [
"sortings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 59420
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1895-G | codeforces | 1895-G | Two Characters, Two Colors | https://codeforces.com/problemset/problem/1895/G | [
"binary search",
"data structures",
"dp",
"flows",
"greedy"
] | null | null | stdin_stdout | 3,100 | {
"solved_count": 355
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1895-F | codeforces | 1895-F | Fancy Arrays | https://codeforces.com/problemset/problem/1895/F | [
"combinatorics",
"dp",
"math",
"matrices"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 1054
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1895-E | codeforces | 1895-E | Infinite Card Game | https://codeforces.com/problemset/problem/1895/E | [
"binary search",
"brute force",
"data structures",
"dfs and similar",
"dp",
"dsu",
"games",
"graphs",
"greedy",
"sortings",
"two pointers"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1871
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1895-D | codeforces | 1895-D | XOR Construction | https://codeforces.com/problemset/problem/1895/D | [
"bitmasks",
"constructive algorithms",
"data structures",
"math",
"string suffix structures",
"trees"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 7164
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1895-C | codeforces | 1895-C | Torn Lucky Ticket | https://codeforces.com/problemset/problem/1895/C | [
"brute force",
"dp",
"hashing",
"implementation",
"math"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 13101
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1895-B | codeforces | 1895-B | Points and Minimum Distance | https://codeforces.com/problemset/problem/1895/B | [
"greedy",
"math",
"sortings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 21642
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1895-A | codeforces | 1895-A | Treasure Chest | https://codeforces.com/problemset/problem/1895/A | [
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 26003
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1894-B | codeforces | 1894-B | Two Out of Three | https://codeforces.com/problemset/problem/1894/B | [
"constructive algorithms"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 18165
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1894-A | codeforces | 1894-A | Secret Sport | https://codeforces.com/problemset/problem/1894/A | [
"implementation",
"strings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 20464
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1893-E | codeforces | 1893-E | Cacti Symphony | https://codeforces.com/problemset/problem/1893/E | [
"combinatorics",
"dfs and similar",
"dp",
"graphs"
] | null | null | stdin_stdout | 3,500 | {
"solved_count": 282
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1893-D | codeforces | 1893-D | Colorful Constructive | https://codeforces.com/problemset/problem/1893/D | [
"constructive algorithms",
"data structures",
"greedy"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 1094
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1893-C | codeforces | 1893-C | Freedom of Choice | https://codeforces.com/problemset/problem/1893/C | [
"brute force",
"greedy",
"implementation"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 3208
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1893-B | codeforces | 1893-B | Neutral Tonality | https://codeforces.com/problemset/problem/1893/B | [
"constructive algorithms",
"greedy",
"sortings",
"two pointers"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 11589
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1893-A | codeforces | 1893-A | Anonymous Informant | https://codeforces.com/problemset/problem/1893/A | [
"brute force",
"dfs and similar",
"graphs",
"implementation"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 15163
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1891-F | codeforces | 1891-F | A Growing Tree | https://codeforces.com/problemset/problem/1891/F | [
"data structures",
"dfs and similar",
"trees"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 4804
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1891-E | codeforces | 1891-E | Brukhovich and Exams | https://codeforces.com/problemset/problem/1891/E | [
"brute force",
"greedy",
"implementation",
"math",
"sortings"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 1084
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1891-D | codeforces | 1891-D | Suspicious logarithms | https://codeforces.com/problemset/problem/1891/D | [
"binary search",
"brute force",
"math"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 4568
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1891-C | codeforces | 1891-C | Smilo and Monsters | https://codeforces.com/problemset/problem/1891/C | [
"binary search",
"constructive algorithms",
"greedy",
"sortings",
"two pointers"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 20691
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1891-B | codeforces | 1891-B | Deja Vu | https://codeforces.com/problemset/problem/1891/B | [
"brute force",
"math",
"sortings"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 29570
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1891-A | codeforces | 1891-A | Sorting with Twos | https://codeforces.com/problemset/problem/1891/A | [
"constructive algorithms",
"sortings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 20577
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:1890-B | codeforces | 1890-B | Qingshan Loves Strings | https://codeforces.com/problemset/problem/1890/B | [
"constructive algorithms",
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 18787
} | 2026-06-01T05:00:40.145500+00:00 |
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