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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": 113
} | 2026-04-13T03:38:27.662191+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": 892
} | 2026-04-13T03:38:27.662191+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": 4081
} | 2026-04-13T03:38:27.662191+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": 1761
} | 2026-04-13T03:38:27.662191+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": 19762
} | 2026-04-13T03:38:27.662191+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": 2726
} | 2026-04-13T03:38:27.662191+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": 10326
} | 2026-04-13T03:38:27.662191+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": 151
} | 2026-04-13T03:38:27.662191+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": 484
} | 2026-04-13T03:38:27.662191+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": 453
} | 2026-04-13T03:38:27.662191+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": 4236
} | 2026-04-13T03:38:27.662191+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": 5878
} | 2026-04-13T03:38:27.662191+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": 991
} | 2026-04-13T03:38:27.662191+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": 1466
} | 2026-04-13T03:38:27.662191+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": 7031
} | 2026-04-13T03:38:27.662191+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": 6850
} | 2026-04-13T03:38:27.662191+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": 8522
} | 2026-04-13T03:38:27.662191+00:00 |
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": 208
} | 2026-04-13T03:38:27.662191+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": 145
} | 2026-04-13T03:38:27.662191+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": 387
} | 2026-04-13T03:38:27.662191+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": 902
} | 2026-04-13T03:38:27.662191+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": 2015
} | 2026-04-13T03:38:27.662191+00:00 |
codeforces:104-A | codeforces | 104-A | Blackjack | https://codeforces.com/problemset/problem/104/A | [
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 17087
} | 2026-04-13T03:38:27.662191+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": 1060
} | 2026-04-13T03:38:27.662191+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": 2508
} | 2026-04-13T03:38:27.662191+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": 1046
} | 2026-04-13T03:38:27.662191+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": 10520
} | 2026-04-13T03:38:27.662191+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": 6555
} | 2026-04-13T03:38:27.662191+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": 31778
} | 2026-04-13T03:38:27.662191+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": 3402
} | 2026-04-13T03:38:27.662191+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": 603
} | 2026-04-13T03:38:27.662191+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": 787
} | 2026-04-13T03:38:27.662191+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": 815
} | 2026-04-13T03:38:27.662191+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": 3184
} | 2026-04-13T03:38:27.662191+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": 4345
} | 2026-04-13T03:38:27.662191+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
} | 2026-04-13T03:38:27.662191+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
} | 2026-04-13T03:38:27.662191+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
} | 2026-04-13T03:38:27.662191+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": 142
} | 2026-04-13T03:38:27.662191+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
} | 2026-04-13T03:38:27.662191+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
} | 2026-04-13T03:38:27.662191+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": 364
} | 2026-04-13T03:38:27.662191+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": 623
} | 2026-04-13T03:38:27.662191+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": 579
} | 2026-04-13T03:38:27.662191+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": 1021
} | 2026-04-13T03:38:27.662191+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": 3203
} | 2026-04-13T03:38:27.662191+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": 7696
} | 2026-04-13T03:38:27.662191+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
} | 2026-04-13T03:38:27.662191+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
} | 2026-04-13T03:38:27.662191+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": 341
} | 2026-04-13T03:38:27.662191+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": 152
} | 2026-04-13T03:38:27.662191+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": 1332
} | 2026-04-13T03:38:27.662191+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": 426
} | 2026-04-13T03:38:27.662191+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": 287
} | 2026-04-13T03:38:27.662191+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": 351
} | 2026-04-13T03:38:27.662191+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": 996
} | 2026-04-13T03:38:27.662191+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": 335
} | 2026-04-13T03:38:27.662191+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": 18929
} | 2026-04-13T03:38:27.662191+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": 192635
} | 2026-04-13T03:38:27.662191+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": 1844
} | 2026-04-13T03:38:27.662191+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": 497
} | 2026-04-13T03:38:27.662191+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": 3365
} | 2026-04-13T03:38:27.662191+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": 1395
} | 2026-04-13T03:38:27.662191+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": 1846
} | 2026-04-13T03:38:27.662191+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": 5360
} | 2026-04-13T03:38:27.662191+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": 12187
} | 2026-04-13T03:38:27.662191+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": 539
} | 2026-04-13T03:38:27.662191+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": 441
} | 2026-04-13T03:38:27.662191+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": 447
} | 2026-04-13T03:38:27.662191+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": 982
} | 2026-04-13T03:38:27.662191+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": 2064
} | 2026-04-13T03:38:27.662191+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": 5344
} | 2026-04-13T03:38:27.662191+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": 21415
} | 2026-04-13T03:38:27.662191+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": 668
} | 2026-04-13T03:38:27.662191+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
} | 2026-04-13T03:38:27.662191+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": 1004
} | 2026-04-13T03:38:27.662191+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": 7698
} | 2026-04-13T03:38:27.662191+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": 3936
} | 2026-04-13T03:38:27.662191+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": 5703
} | 2026-04-13T03:38:27.662191+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": 5478
} | 2026-04-13T03:38:27.662191+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
} | 2026-04-13T03:38:27.662191+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": 260
} | 2026-04-13T03:38:27.662191+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": 684
} | 2026-04-13T03:38:27.662191+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": 604
} | 2026-04-13T03:38:27.662191+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": 1605
} | 2026-04-13T03:38:27.662191+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": 5245
} | 2026-04-13T03:38:27.662191+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": 4077
} | 2026-04-13T03:38:27.662191+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": 747
} | 2026-04-13T03:38:27.662191+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": 1049
} | 2026-04-13T03:38:27.662191+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": 1669
} | 2026-04-13T03:38:27.662191+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": 1259
} | 2026-04-13T03:38:27.662191+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": 5802
} | 2026-04-13T03:38:27.662191+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": 202
} | 2026-04-13T03:38:27.662191+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": 16749
} | 2026-04-13T03:38:27.662191+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": 855
} | 2026-04-13T03:38:27.662191+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": 451
} | 2026-04-13T03:38:27.662191+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": 1651
} | 2026-04-13T03:38:27.662191+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": 1094
} | 2026-04-13T03:38:27.662191+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": 2413
} | 2026-04-13T03:38:27.662191+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": 612
} | 2026-04-13T03:38:27.662191+00:00 |
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