uid stringlengths 9 18 | source stringclasses 2
values | native_id stringlengths 3 7 | title stringlengths 2 64 | url stringlengths 36 49 | tags listlengths 0 11 | time_limit_ms null | memory_limit_mb null | io_type stringclasses 1
value | difficulty_rating int64 800 3.5k ⌀ | stats dict | last_scraped_at stringclasses 2
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codeforces:130-B | codeforces | 130-B | Gnikool Ssalg | https://codeforces.com/problemset/problem/130/B | [
"*special",
"implementation",
"strings"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 563
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:130-A | codeforces | 130-A | Hexagonal numbers | https://codeforces.com/problemset/problem/130/A | [
"*special",
"implementation"
] | null | null | stdin_stdout | 900 | {
"solved_count": 1966
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:129-B | codeforces | 129-B | Students and Shoelaces | https://codeforces.com/problemset/problem/129/B | [
"brute force",
"dfs and similar",
"graphs",
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 13970
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:129-A | codeforces | 129-A | Cookies | https://codeforces.com/problemset/problem/129/A | [
"implementation"
] | null | null | stdin_stdout | 900 | {
"solved_count": 25331
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:128-E | codeforces | 128-E | Birthday | https://codeforces.com/problemset/problem/128/E | [
"geometry",
"math"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 113
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:128-D | codeforces | 128-D | Numbers | https://codeforces.com/problemset/problem/128/D | [
"constructive algorithms",
"implementation"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 1263
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:128-C | codeforces | 128-C | Games with Rectangle | https://codeforces.com/problemset/problem/128/C | [
"combinatorics",
"dp"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 3246
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:128-B | codeforces | 128-B | String | https://codeforces.com/problemset/problem/128/B | [
"brute force",
"constructive algorithms",
"hashing",
"implementation",
"string suffix structures",
"strings"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 2887
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:128-A | codeforces | 128-A | Statues | https://codeforces.com/problemset/problem/128/A | [
"dfs and similar"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 3513
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:127-B | codeforces | 127-B | Canvas Frames | https://codeforces.com/problemset/problem/127/B | [
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 10476
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:127-A | codeforces | 127-A | Wasted Time | https://codeforces.com/problemset/problem/127/A | [
"geometry"
] | null | null | stdin_stdout | 900 | {
"solved_count": 12624
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:126-E | codeforces | 126-E | Pills | https://codeforces.com/problemset/problem/126/E | [
"brute force",
"flows"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 98
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:126-D | codeforces | 126-D | Fibonacci Sums | https://codeforces.com/problemset/problem/126/D | [
"dp",
"math"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 954
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:126-C | codeforces | 126-C | E-reader Display | https://codeforces.com/problemset/problem/126/C | [
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 818
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:126-B | codeforces | 126-B | Password | https://codeforces.com/problemset/problem/126/B | [
"binary search",
"dp",
"hashing",
"string suffix structures",
"strings"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 25186
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:126-A | codeforces | 126-A | Hot Bath | https://codeforces.com/problemset/problem/126/A | [
"binary search",
"brute force",
"math"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 1601
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:125-E | codeforces | 125-E | MST Company | https://codeforces.com/problemset/problem/125/E | [
"binary search",
"graphs"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 1462
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:125-D | codeforces | 125-D | Two progressions | https://codeforces.com/problemset/problem/125/D | [
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 440
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:125-C | codeforces | 125-C | Hobbits' Party | https://codeforces.com/problemset/problem/125/C | [
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 1088
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:125-B | codeforces | 125-B | Simple XML | https://codeforces.com/problemset/problem/125/B | [
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 3734
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:125-A | codeforces | 125-A | Measuring Lengths in Baden | https://codeforces.com/problemset/problem/125/A | [
"math"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 3254
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:124-B | codeforces | 124-B | Permutations | https://codeforces.com/problemset/problem/124/B | [
"brute force",
"combinatorics",
"implementation"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 4906
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:124-A | codeforces | 124-A | The number of positions | https://codeforces.com/problemset/problem/124/A | [
"math"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 44382
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:123-E | codeforces | 123-E | Maze | https://codeforces.com/problemset/problem/123/E | [
"dfs and similar",
"dp",
"probabilities",
"trees"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 806
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:123-D | codeforces | 123-D | String | https://codeforces.com/problemset/problem/123/D | [
"string suffix structures"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1436
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:123-C | codeforces | 123-C | Brackets | https://codeforces.com/problemset/problem/123/C | [
"combinatorics",
"dp",
"greedy"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 730
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:123-B | codeforces | 123-B | Squares | https://codeforces.com/problemset/problem/123/B | [
"math"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 1311
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:123-A | codeforces | 123-A | Prime Permutation | https://codeforces.com/problemset/problem/123/A | [
"implementation",
"number theory",
"strings"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 3996
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:122-B | codeforces | 122-B | Lucky Substring | https://codeforces.com/problemset/problem/122/B | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 13292
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:122-A | codeforces | 122-A | Lucky Division | https://codeforces.com/problemset/problem/122/A | [
"brute force",
"number theory"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 150811
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:121-E | codeforces | 121-E | Lucky Array | https://codeforces.com/problemset/problem/121/E | [
"data structures"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 2062
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:121-D | codeforces | 121-D | Lucky Segments | https://codeforces.com/problemset/problem/121/D | [
"binary search",
"implementation",
"two pointers"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 332
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:121-C | codeforces | 121-C | Lucky Permutation | https://codeforces.com/problemset/problem/121/C | [
"brute force",
"combinatorics",
"number theory"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 1467
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:121-B | codeforces | 121-B | Lucky Transformation | https://codeforces.com/problemset/problem/121/B | [
"strings"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 2826
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:121-A | codeforces | 121-A | Lucky Sum | https://codeforces.com/problemset/problem/121/A | [
"implementation"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 10600
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:120-J | codeforces | 120-J | Minimum Sum | https://codeforces.com/problemset/problem/120/J | [
"divide and conquer",
"geometry",
"sortings"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 1024
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:120-I | codeforces | 120-I | Luck is in Numbers | https://codeforces.com/problemset/problem/120/I | [
"greedy"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 316
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:120-H | codeforces | 120-H | Brevity is Soul of Wit | https://codeforces.com/problemset/problem/120/H | [
"graph matchings"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 1606
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:120-G | codeforces | 120-G | Boom | https://codeforces.com/problemset/problem/120/G | [
"implementation"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 719
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:120-F | codeforces | 120-F | Spiders | https://codeforces.com/problemset/problem/120/F | [
"dp",
"greedy",
"trees"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 4141
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:120-E | codeforces | 120-E | Put Knight! | https://codeforces.com/problemset/problem/120/E | [
"games",
"math"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 2966
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:120-D | codeforces | 120-D | Three Sons | https://codeforces.com/problemset/problem/120/D | [
"brute force"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 2104
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:120-C | codeforces | 120-C | Winnie-the-Pooh and honey | https://codeforces.com/problemset/problem/120/C | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 3955
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:120-B | codeforces | 120-B | Quiz League | https://codeforces.com/problemset/problem/120/B | [
"implementation"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 3672
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:120-A | codeforces | 120-A | Elevator | https://codeforces.com/problemset/problem/120/A | [
"brute force",
"implementation",
"math"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 5681
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:119-E | codeforces | 119-E | Alternative Reality | https://codeforces.com/problemset/problem/119/E | [
"geometry"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 124
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:119-D | codeforces | 119-D | String Transformation | https://codeforces.com/problemset/problem/119/D | [
"hashing",
"strings"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 632
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:119-C | codeforces | 119-C | Education Reform | https://codeforces.com/problemset/problem/119/C | [
"dp"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 1046
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:119-B | codeforces | 119-B | Before Exam | https://codeforces.com/problemset/problem/119/B | [
"constructive algorithms",
"implementation",
"sortings"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 1139
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:119-A | codeforces | 119-A | Epic Game | https://codeforces.com/problemset/problem/119/A | [
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 29632
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:118-E | codeforces | 118-E | Bertown roads | https://codeforces.com/problemset/problem/118/E | [
"dfs and similar",
"graphs"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 8518
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:118-D | codeforces | 118-D | Caesar's Legions | https://codeforces.com/problemset/problem/118/D | [
"dp"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 20716
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:118-C | codeforces | 118-C | Fancy Number | https://codeforces.com/problemset/problem/118/C | [
"brute force",
"greedy",
"sortings",
"strings"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 2881
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:118-B | codeforces | 118-B | Present from Lena | https://codeforces.com/problemset/problem/118/B | [
"constructive algorithms",
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 34772
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:118-A | codeforces | 118-A | String Task | https://codeforces.com/problemset/problem/118/A | [
"implementation",
"strings"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 232752
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:117-E | codeforces | 117-E | Tree or not Tree | https://codeforces.com/problemset/problem/117/E | [
"data structures",
"divide and conquer",
"graphs",
"implementation",
"trees"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 417
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:117-D | codeforces | 117-D | Not Quick Transformation | https://codeforces.com/problemset/problem/117/D | [
"divide and conquer",
"math"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 370
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:117-C | codeforces | 117-C | Cycle | https://codeforces.com/problemset/problem/117/C | [
"dfs and similar",
"graphs"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 2990
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:117-B | codeforces | 117-B | Very Interesting Game | https://codeforces.com/problemset/problem/117/B | [
"brute force",
"number theory"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 1745
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:117-A | codeforces | 117-A | Elevator | https://codeforces.com/problemset/problem/117/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 2230
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:116-B | codeforces | 116-B | Little Pigs and Wolves | https://codeforces.com/problemset/problem/116/B | [
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 14635
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:116-A | codeforces | 116-A | Tram | https://codeforces.com/problemset/problem/116/A | [
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 177934
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:115-E | codeforces | 115-E | Linear Kingdom Races | https://codeforces.com/problemset/problem/115/E | [
"data structures",
"dp"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 2227
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:115-D | codeforces | 115-D | Unambiguous Arithmetic Expression | https://codeforces.com/problemset/problem/115/D | [
"dp",
"expression parsing"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 456
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:115-C | codeforces | 115-C | Plumber | https://codeforces.com/problemset/problem/115/C | [
"math"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 679
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:115-B | codeforces | 115-B | Lawnmower | https://codeforces.com/problemset/problem/115/B | [
"greedy",
"sortings"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 2845
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:115-A | codeforces | 115-A | Party | https://codeforces.com/problemset/problem/115/A | [
"dfs and similar",
"graphs",
"trees"
] | null | null | stdin_stdout | 900 | {
"solved_count": 43770
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:114-B | codeforces | 114-B | PFAST Inc. | https://codeforces.com/problemset/problem/114/B | [
"bitmasks",
"brute force",
"graphs"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 4271
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:114-A | codeforces | 114-A | Cifera | https://codeforces.com/problemset/problem/114/A | [
"math"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 15112
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:113-E | codeforces | 113-E | Sleeping | https://codeforces.com/problemset/problem/113/E | [
"combinatorics",
"implementation",
"math"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 143
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:113-D | codeforces | 113-D | Museum | https://codeforces.com/problemset/problem/113/D | [
"math",
"matrices",
"probabilities"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 845
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:113-C | codeforces | 113-C | Double Happiness | https://codeforces.com/problemset/problem/113/C | [
"brute force",
"math",
"number theory"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1464
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:113-B | codeforces | 113-B | Petr# | https://codeforces.com/problemset/problem/113/B | [
"brute force",
"data structures",
"hashing",
"strings"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 3271
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:113-A | codeforces | 113-A | Grammar Lessons | https://codeforces.com/problemset/problem/113/A | [
"implementation",
"strings"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 2608
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:112-B | codeforces | 112-B | Petya and Square | https://codeforces.com/problemset/problem/112/B | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 4568
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:112-A | codeforces | 112-A | Petya and Strings | https://codeforces.com/problemset/problem/112/A | [
"implementation",
"strings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 289530
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:111-E | codeforces | 111-E | Petya and Rectangle | https://codeforces.com/problemset/problem/111/E | [] | null | null | stdin_stdout | 2,900 | {
"solved_count": 74
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:111-D | codeforces | 111-D | Petya and Coloring | https://codeforces.com/problemset/problem/111/D | [
"combinatorics",
"dp"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 908
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:111-C | codeforces | 111-C | Petya and Spiders | https://codeforces.com/problemset/problem/111/C | [
"bitmasks",
"dp",
"dsu"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1588
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:111-B | codeforces | 111-B | Petya and Divisors | https://codeforces.com/problemset/problem/111/B | [
"binary search",
"data structures",
"number theory"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 4112
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:111-A | codeforces | 111-A | Petya and Inequiations | https://codeforces.com/problemset/problem/111/A | [
"greedy"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 5186
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:110-B | codeforces | 110-B | Lucky String | https://codeforces.com/problemset/problem/110/B | [
"constructive algorithms",
"strings"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 11041
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:110-A | codeforces | 110-A | Nearly Lucky Number | https://codeforces.com/problemset/problem/110/A | [
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 201206
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:109-E | codeforces | 109-E | Lucky Interval | https://codeforces.com/problemset/problem/109/E | [
"brute force",
"math"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 114
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:109-D | codeforces | 109-D | Lucky Sorting | https://codeforces.com/problemset/problem/109/D | [
"constructive algorithms",
"sortings"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 896
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:109-C | codeforces | 109-C | Lucky Tree | https://codeforces.com/problemset/problem/109/C | [
"dp",
"dsu",
"trees"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 4156
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:109-B | codeforces | 109-B | Lucky Probability | https://codeforces.com/problemset/problem/109/B | [
"brute force",
"probabilities"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 1792
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:109-A | codeforces | 109-A | Lucky Sum of Digits | https://codeforces.com/problemset/problem/109/A | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 19907
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:108-B | codeforces | 108-B | Datatypes | https://codeforces.com/problemset/problem/108/B | [
"math",
"sortings"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 2744
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:108-A | codeforces | 108-A | Palindromic Times | https://codeforces.com/problemset/problem/108/A | [
"implementation",
"strings"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 10386
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:107-E | codeforces | 107-E | Darts | https://codeforces.com/problemset/problem/107/E | [
"geometry",
"probabilities"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 152
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:107-D | codeforces | 107-D | Crime Management | https://codeforces.com/problemset/problem/107/D | [
"dp",
"graphs",
"matrices"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 491
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:107-C | codeforces | 107-C | Arrangement | https://codeforces.com/problemset/problem/107/C | [
"bitmasks",
"dp"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 465
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:107-B | codeforces | 107-B | Basketball Team | https://codeforces.com/problemset/problem/107/B | [
"combinatorics",
"dp",
"math",
"probabilities"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 4301
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:107-A | codeforces | 107-A | Dorm Water Supply | https://codeforces.com/problemset/problem/107/A | [
"dfs and similar",
"graphs"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 5938
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:106-E | codeforces | 106-E | Space Rescuers | https://codeforces.com/problemset/problem/106/E | [
"geometry",
"ternary search"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 998
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:106-D | codeforces | 106-D | Treasure Island | https://codeforces.com/problemset/problem/106/D | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 1474
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:106-C | codeforces | 106-C | Buns | https://codeforces.com/problemset/problem/106/C | [
"dp"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 7104
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:106-B | codeforces | 106-B | Choosing Laptop | https://codeforces.com/problemset/problem/106/B | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 6885
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:106-A | codeforces | 106-A | Card Game | https://codeforces.com/problemset/problem/106/A | [
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 8554
} | 2026-06-01T05:00:40.145500+00:00 |
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