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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:105-E | codeforces | 105-E | Lift and Throw | https://codeforces.com/problemset/problem/105/E | [
"brute force"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 214
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:105-D | codeforces | 105-D | Entertaining Geodetics | https://codeforces.com/problemset/problem/105/D | [
"brute force",
"dsu",
"implementation"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 146
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:105-C | codeforces | 105-C | Item World | https://codeforces.com/problemset/problem/105/C | [
"brute force",
"implementation",
"sortings"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 392
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:105-B | codeforces | 105-B | Dark Assembly | https://codeforces.com/problemset/problem/105/B | [
"brute force",
"probabilities"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 908
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:105-A | codeforces | 105-A | Transmigration | https://codeforces.com/problemset/problem/105/A | [
"implementation"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 2027
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:104-A | codeforces | 104-A | Blackjack | https://codeforces.com/problemset/problem/104/A | [
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 17199
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:103-E | codeforces | 103-E | Buying Sets | https://codeforces.com/problemset/problem/103/E | [
"flows",
"graph matchings"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 1074
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:103-D | codeforces | 103-D | Time to Raid Cowavans | https://codeforces.com/problemset/problem/103/D | [
"brute force",
"data structures",
"sortings"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 2549
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:103-C | codeforces | 103-C | Russian Roulette | https://codeforces.com/problemset/problem/103/C | [
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 1065
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:103-B | codeforces | 103-B | Cthulhu | https://codeforces.com/problemset/problem/103/B | [
"dfs and similar",
"dsu",
"graphs"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 10806
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:103-A | codeforces | 103-A | Testing Pants for Sadness | https://codeforces.com/problemset/problem/103/A | [
"greedy",
"implementation",
"math"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 6634
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:102-B | codeforces | 102-B | Sum of Digits | https://codeforces.com/problemset/problem/102/B | [
"implementation"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 32077
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:102-A | codeforces | 102-A | Clothes | https://codeforces.com/problemset/problem/102/A | [
"brute force"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 3428
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:101-E | codeforces | 101-E | Candies and Stones | https://codeforces.com/problemset/problem/101/E | [
"divide and conquer",
"dp"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 605
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:101-D | codeforces | 101-D | Castle | https://codeforces.com/problemset/problem/101/D | [
"dp",
"greedy",
"probabilities",
"sortings",
"trees"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 797
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:101-C | codeforces | 101-C | Vectors | https://codeforces.com/problemset/problem/101/C | [
"implementation",
"math"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 825
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:101-B | codeforces | 101-B | Buses | https://codeforces.com/problemset/problem/101/B | [
"binary search",
"data structures",
"dp"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 3211
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:101-A | codeforces | 101-A | Homework | https://codeforces.com/problemset/problem/101/A | [
"greedy"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 4383
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:100-J | codeforces | 100-J | Interval Coloring | https://codeforces.com/problemset/problem/100/J | [
"*special",
"greedy",
"math"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 76
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:100-I | codeforces | 100-I | Rotation | https://codeforces.com/problemset/problem/100/I | [
"*special",
"geometry",
"math"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 430
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:100-H | codeforces | 100-H | Battleship | https://codeforces.com/problemset/problem/100/H | [
"*special",
"dfs and similar",
"implementation"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 93
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:100-G | codeforces | 100-G | Name the album | https://codeforces.com/problemset/problem/100/G | [
"*special",
"data structures",
"implementation"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 143
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:100-F | codeforces | 100-F | Polynom | https://codeforces.com/problemset/problem/100/F | [
"*special",
"implementation"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 159
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:100-E | codeforces | 100-E | Lamps in a Line | https://codeforces.com/problemset/problem/100/E | [
"*special",
"math"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 305
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:100-D | codeforces | 100-D | World of Mouth | https://codeforces.com/problemset/problem/100/D | [
"*special",
"strings"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 365
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:100-C | codeforces | 100-C | A+B | https://codeforces.com/problemset/problem/100/C | [
"*special",
"implementation"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 627
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:100-B | codeforces | 100-B | Friendly Numbers | https://codeforces.com/problemset/problem/100/B | [
"*special",
"implementation"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 581
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:100-A | codeforces | 100-A | Carpeting the Room | https://codeforces.com/problemset/problem/100/A | [
"*special",
"implementation"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 1031
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:99-B | codeforces | 99-B | Help Chef Gerasim | https://codeforces.com/problemset/problem/99/B | [
"implementation",
"sortings"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 3222
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:99-A | codeforces | 99-A | Help Far Away Kingdom | https://codeforces.com/problemset/problem/99/A | [
"strings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 7764
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:98-E | codeforces | 98-E | Help Shrek and Donkey | https://codeforces.com/problemset/problem/98/E | [
"dp",
"games",
"math",
"probabilities"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 558
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:98-D | codeforces | 98-D | Help Monks | https://codeforces.com/problemset/problem/98/D | [
"constructive algorithms"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 200
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:98-C | codeforces | 98-C | Help Greg the Dwarf | https://codeforces.com/problemset/problem/98/C | [
"geometry",
"ternary search"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 357
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:98-B | codeforces | 98-B | Help King | https://codeforces.com/problemset/problem/98/B | [
"implementation",
"probabilities",
"trees"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 153
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:98-A | codeforces | 98-A | Help Victoria the Wise | https://codeforces.com/problemset/problem/98/A | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 1352
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:97-E | codeforces | 97-E | Leaders | https://codeforces.com/problemset/problem/97/E | [
"dfs and similar",
"dsu",
"graphs",
"trees"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 433
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:97-D | codeforces | 97-D | Robot in Basement | https://codeforces.com/problemset/problem/97/D | [
"bitmasks",
"brute force",
"implementation"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 290
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:97-C | codeforces | 97-C | Winning Strategy | https://codeforces.com/problemset/problem/97/C | [
"binary search",
"graphs",
"math",
"shortest paths"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 354
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:97-B | codeforces | 97-B | Superset | https://codeforces.com/problemset/problem/97/B | [
"constructive algorithms",
"divide and conquer"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1003
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:97-A | codeforces | 97-A | Domino | https://codeforces.com/problemset/problem/97/A | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 336
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:96-B | codeforces | 96-B | Lucky Numbers (easy) | https://codeforces.com/problemset/problem/96/B | [
"binary search",
"bitmasks",
"brute force"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 19309
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:96-A | codeforces | 96-A | Football | https://codeforces.com/problemset/problem/96/A | [
"implementation",
"strings"
] | null | null | stdin_stdout | 900 | {
"solved_count": 194933
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:95-E | codeforces | 95-E | Lucky Country | https://codeforces.com/problemset/problem/95/E | [
"dp",
"dsu",
"graphs"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 1935
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:95-D | codeforces | 95-D | Horse Races | https://codeforces.com/problemset/problem/95/D | [
"dp",
"math"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 506
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:95-C | codeforces | 95-C | Volleyball | https://codeforces.com/problemset/problem/95/C | [
"shortest paths"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 3412
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:95-B | codeforces | 95-B | Lucky Numbers | https://codeforces.com/problemset/problem/95/B | [
"dp",
"greedy"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 1402
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:95-A | codeforces | 95-A | Hockey | https://codeforces.com/problemset/problem/95/A | [
"implementation",
"strings"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 1859
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:94-B | codeforces | 94-B | Friends | https://codeforces.com/problemset/problem/94/B | [
"graphs",
"implementation",
"math"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 5391
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:94-A | codeforces | 94-A | Restoring Password | https://codeforces.com/problemset/problem/94/A | [
"implementation",
"strings"
] | null | null | stdin_stdout | 900 | {
"solved_count": 12333
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:93-E | codeforces | 93-E | Lostborn | https://codeforces.com/problemset/problem/93/E | [
"dp",
"math",
"number theory"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 540
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:93-D | codeforces | 93-D | Flags | https://codeforces.com/problemset/problem/93/D | [
"dp",
"math",
"matrices"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 445
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:93-C | codeforces | 93-C | Azembler | https://codeforces.com/problemset/problem/93/C | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 450
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:93-B | codeforces | 93-B | End of Exams | https://codeforces.com/problemset/problem/93/B | [
"greedy"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 995
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:93-A | codeforces | 93-A | Frames | https://codeforces.com/problemset/problem/93/A | [
"implementation"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 2080
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:92-B | codeforces | 92-B | Binary Number | https://codeforces.com/problemset/problem/92/B | [
"greedy"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 5375
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:92-A | codeforces | 92-A | Chips | https://codeforces.com/problemset/problem/92/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 21590
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:91-E | codeforces | 91-E | Igloo Skyscraper | https://codeforces.com/problemset/problem/91/E | [
"data structures",
"geometry"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 673
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:91-D | codeforces | 91-D | Grocer's Problem | https://codeforces.com/problemset/problem/91/D | [
"constructive algorithms",
"graphs",
"greedy"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 297
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:91-C | codeforces | 91-C | Ski Base | https://codeforces.com/problemset/problem/91/C | [
"combinatorics",
"dsu",
"graphs"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1014
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:91-B | codeforces | 91-B | Queue | https://codeforces.com/problemset/problem/91/B | [
"binary search",
"data structures"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 7799
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:91-A | codeforces | 91-A | Newspaper Headline | https://codeforces.com/problemset/problem/91/A | [
"greedy",
"strings"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 3963
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:90-B | codeforces | 90-B | African Crossword | https://codeforces.com/problemset/problem/90/B | [
"implementation",
"strings"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 5728
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:90-A | codeforces | 90-A | Cableway | https://codeforces.com/problemset/problem/90/A | [
"greedy",
"math"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 5517
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:89-E | codeforces | 89-E | Fire and Ice | https://codeforces.com/problemset/problem/89/E | [
"greedy"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 118
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:89-D | codeforces | 89-D | Space mines | https://codeforces.com/problemset/problem/89/D | [
"geometry"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 268
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:89-C | codeforces | 89-C | Chip Play | https://codeforces.com/problemset/problem/89/C | [
"brute force",
"data structures",
"implementation"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 689
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:89-B | codeforces | 89-B | Widget Library | https://codeforces.com/problemset/problem/89/B | [
"dp",
"expression parsing",
"graphs",
"implementation"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 610
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:89-A | codeforces | 89-A | Robbery | https://codeforces.com/problemset/problem/89/A | [
"greedy"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 1616
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:88-B | codeforces | 88-B | Keyboard | https://codeforces.com/problemset/problem/88/B | [
"implementation"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 5281
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:88-A | codeforces | 88-A | Chord | https://codeforces.com/problemset/problem/88/A | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 4096
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:87-E | codeforces | 87-E | Mogohu-Rea Idol | https://codeforces.com/problemset/problem/87/E | [
"geometry"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 760
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:87-D | codeforces | 87-D | Beautiful Road | https://codeforces.com/problemset/problem/87/D | [
"dfs and similar",
"dp",
"dsu",
"graphs",
"implementation",
"sortings",
"trees"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1058
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:87-C | codeforces | 87-C | Interesting Game | https://codeforces.com/problemset/problem/87/C | [
"dp",
"games",
"math"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 1716
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:87-B | codeforces | 87-B | Vasya and Types | https://codeforces.com/problemset/problem/87/B | [
"implementation",
"strings"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 1267
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:87-A | codeforces | 87-A | Trains | https://codeforces.com/problemset/problem/87/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 5832
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:86-E | codeforces | 86-E | Long sequence | https://codeforces.com/problemset/problem/86/E | [
"brute force",
"math",
"matrices"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 205
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:86-D | codeforces | 86-D | Powerful array | https://codeforces.com/problemset/problem/86/D | [
"data structures",
"implementation",
"math",
"two pointers"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 17002
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:86-C | codeforces | 86-C | Genetic engineering | https://codeforces.com/problemset/problem/86/C | [
"dp",
"string suffix structures",
"trees"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 872
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:86-B | codeforces | 86-B | Tetris revisited | https://codeforces.com/problemset/problem/86/B | [
"constructive algorithms",
"graph matchings",
"greedy",
"math"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 454
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:86-A | codeforces | 86-A | Reflection | https://codeforces.com/problemset/problem/86/A | [
"math"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 1663
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:85-E | codeforces | 85-E | Guard Towers | https://codeforces.com/problemset/problem/85/E | [
"binary search",
"dsu",
"geometry",
"graphs",
"sortings"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 1104
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:85-D | codeforces | 85-D | Sum of Medians | https://codeforces.com/problemset/problem/85/D | [
"binary search",
"brute force",
"data structures",
"implementation"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 2427
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:85-C | codeforces | 85-C | Petya and Tree | https://codeforces.com/problemset/problem/85/C | [
"binary search",
"dfs and similar",
"probabilities",
"sortings",
"trees"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 625
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:85-B | codeforces | 85-B | Embassy Queue | https://codeforces.com/problemset/problem/85/B | [
"data structures",
"greedy"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 1085
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:85-A | codeforces | 85-A | Domino | https://codeforces.com/problemset/problem/85/A | [
"constructive algorithms",
"implementation"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 2026
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:84-C | codeforces | 84-C | Biathlon | https://codeforces.com/problemset/problem/84/C | [
"binary search",
"implementation"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 1862
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:84-A | codeforces | 84-A | Toy Army | https://codeforces.com/problemset/problem/84/A | [
"math",
"number theory"
] | null | null | stdin_stdout | 900 | {
"solved_count": 16650
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:83-E | codeforces | 83-E | Two Subsequences | https://codeforces.com/problemset/problem/83/E | [
"bitmasks",
"dp"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 544
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:83-D | codeforces | 83-D | Numbers | https://codeforces.com/problemset/problem/83/D | [
"dp",
"math",
"number theory"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 1033
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:83-C | codeforces | 83-C | Track | https://codeforces.com/problemset/problem/83/C | [
"graphs",
"greedy",
"shortest paths"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 477
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:83-B | codeforces | 83-B | Doctor | https://codeforces.com/problemset/problem/83/B | [
"binary search",
"math",
"sortings"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 1897
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:83-A | codeforces | 83-A | Magical Array | https://codeforces.com/problemset/problem/83/A | [
"math"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 6881
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:82-E | codeforces | 82-E | Corridor | https://codeforces.com/problemset/problem/82/E | [
"geometry"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 248
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:82-D | codeforces | 82-D | Two out of Three | https://codeforces.com/problemset/problem/82/D | [
"dp"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 2303
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:82-C | codeforces | 82-C | General Mobilization | https://codeforces.com/problemset/problem/82/C | [
"data structures",
"dfs and similar",
"sortings"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 872
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:82-B | codeforces | 82-B | Sets | https://codeforces.com/problemset/problem/82/B | [
"constructive algorithms",
"hashing",
"implementation"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 2338
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:82-A | codeforces | 82-A | Double Cola | https://codeforces.com/problemset/problem/82/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 32283
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:81-E | codeforces | 81-E | Pairs | https://codeforces.com/problemset/problem/81/E | [
"dfs and similar",
"dp",
"dsu",
"graphs",
"implementation",
"trees"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 402
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:81-D | codeforces | 81-D | Polycarp's Picture Gallery | https://codeforces.com/problemset/problem/81/D | [
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 808
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:81-C | codeforces | 81-C | Average Score | https://codeforces.com/problemset/problem/81/C | [
"greedy",
"math",
"sortings"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 1855
} | 2026-06-01T05:00:40.145500+00:00 |
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