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value | difficulty_rating int64 800 3.5k ⌀ | stats dict | last_scraped_at stringclasses 2
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|---|---|---|---|---|---|---|---|---|---|---|---|
codeforces:2215-G | codeforces | 2215-G | Maze | https://codeforces.com/problemset/problem/2215/G | [
"trees"
] | null | null | stdin_stdout | 3,500 | {
"solved_count": 66
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2215-F | codeforces | 2215-F | Research | https://codeforces.com/problemset/problem/2215/F | [
"games"
] | null | null | stdin_stdout | 3,500 | {
"solved_count": 64
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2215-E | codeforces | 2215-E | Star Map | https://codeforces.com/problemset/problem/2215/E | [
"constructive algorithms",
"data structures",
"geometry",
"greedy",
"sortings"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 191
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2215-D | codeforces | 2215-D | EXPloration, EXPloitation, and Gain Some EXPerience! | https://codeforces.com/problemset/problem/2215/D | [
"bitmasks",
"brute force",
"dp",
"greedy",
"implementation"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 132
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2215-C | codeforces | 2215-C | Oriented Journey | https://codeforces.com/problemset/problem/2215/C | [
"bitmasks",
"brute force",
"communication",
"constructive algorithms",
"graphs",
"interactive",
"trees"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 724
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2215-B | codeforces | 2215-B | RReeppeettiittiioonn | https://codeforces.com/problemset/problem/2215/B | [
"binary search",
"brute force",
"implementation",
"math",
"number theory"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 1170
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2215-A | codeforces | 2215-A | Interval Mod | https://codeforces.com/problemset/problem/2215/A | [
"constructive algorithms",
"dp",
"greedy",
"math"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 3190
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2214-J | codeforces | 2214-J | Special Problem | https://codeforces.com/problemset/problem/2214/J | [
"*special",
"brute force",
"games",
"interactive"
] | null | null | stdin_stdout | null | {
"solved_count": 3601
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2214-I | codeforces | 2214-I | You Are a Robot | https://codeforces.com/problemset/problem/2214/I | [
"*special"
] | null | null | stdin_stdout | null | {
"solved_count": 311
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2214-H | codeforces | 2214-H | Double Vision | https://codeforces.com/problemset/problem/2214/H | [
"*special"
] | null | null | stdin_stdout | null | {
"solved_count": 1651
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2214-G | codeforces | 2214-G | Anomaly | https://codeforces.com/problemset/problem/2214/G | [
"*special",
"communication"
] | null | null | stdin_stdout | null | {
"solved_count": 763
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2214-F | codeforces | 2214-F | Numbers | https://codeforces.com/problemset/problem/2214/F | [
"*special"
] | null | null | stdin_stdout | null | {
"solved_count": 981
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2214-E | codeforces | 2214-E | Shortest Paths | https://codeforces.com/problemset/problem/2214/E | [
"*special",
"shortest paths"
] | null | null | stdin_stdout | null | {
"solved_count": 1073
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2214-D | codeforces | 2214-D | Neural Feud | https://codeforces.com/problemset/problem/2214/D | [
"*special",
"strings"
] | null | null | stdin_stdout | null | {
"solved_count": 4354
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2214-C | codeforces | 2214-C | And? | https://codeforces.com/problemset/problem/2214/C | [
"*special",
"bitmasks"
] | null | null | stdin_stdout | null | {
"solved_count": 1880
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2214-B | codeforces | 2214-B | Are You Smiling? | https://codeforces.com/problemset/problem/2214/B | [
"*special",
"strings"
] | null | null | stdin_stdout | null | {
"solved_count": 6718
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2214-A | codeforces | 2214-A | Odd One Out | https://codeforces.com/problemset/problem/2214/A | [
"*special",
"graph matchings",
"implementation"
] | null | null | stdin_stdout | null | {
"solved_count": 10356
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2211-H | codeforces | 2211-H | Median Deletion | https://codeforces.com/problemset/problem/2211/H | [] | null | null | stdin_stdout | 3,500 | {
"solved_count": 109
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2211-G | codeforces | 2211-G | Rational Bubble Sort | https://codeforces.com/problemset/problem/2211/G | [
"constructive algorithms",
"geometry",
"greedy"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 303
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2211-F | codeforces | 2211-F | Learning Binary Search | https://codeforces.com/problemset/problem/2211/F | [
"combinatorics",
"divide and conquer",
"dp",
"math"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 967
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2211-E | codeforces | 2211-E | Minimum Path Cover | https://codeforces.com/problemset/problem/2211/E | [
"brute force",
"dp",
"greedy",
"interactive",
"math",
"number theory",
"trees"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 908
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2211-D | codeforces | 2211-D | AND-array | https://codeforces.com/problemset/problem/2211/D | [
"bitmasks",
"combinatorics",
"math"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 3069
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2211-C2 | codeforces | 2211-C2 | Equal Multisets (Hard Version) | https://codeforces.com/problemset/problem/2211/C2 | [
"constructive algorithms",
"dsu",
"greedy"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 3913
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2211-C1 | codeforces | 2211-C1 | Equal Multisets (Easy Version) | https://codeforces.com/problemset/problem/2211/C1 | [
"binary search",
"brute force",
"greedy",
"two pointers"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 9756
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2211-B | codeforces | 2211-B | Mickey Mouse Constructive | https://codeforces.com/problemset/problem/2211/B | [
"constructive algorithms",
"dp",
"greedy",
"math"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 12276
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2211-A | codeforces | 2211-A | Antimedian Deletion | https://codeforces.com/problemset/problem/2211/A | [
"implementation",
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 16957
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2210-F | codeforces | 2210-F | A Simple Problem | https://codeforces.com/problemset/problem/2210/F | [
"binary search",
"data structures",
"greedy",
"math",
"trees"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 240
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2210-E | codeforces | 2210-E | Binary Strings are Simple? | https://codeforces.com/problemset/problem/2210/E | [
"constructive algorithms",
"implementation",
"interactive",
"number theory"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 342
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2210-D | codeforces | 2210-D | A Simple RBS Problem | https://codeforces.com/problemset/problem/2210/D | [
"constructive algorithms",
"math",
"strings",
"trees"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 2148
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2210-C2 | codeforces | 2210-C2 | A Simple GCD Problem (Hard Version) | https://codeforces.com/problemset/problem/2210/C2 | [
"dp",
"greedy",
"number theory"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 2274
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2210-C1 | codeforces | 2210-C1 | A Simple GCD Problem (Easy Version) | https://codeforces.com/problemset/problem/2210/C1 | [
"greedy",
"number theory"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 13642
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2210-B | codeforces | 2210-B | Simply Sitting on Chairs | https://codeforces.com/problemset/problem/2210/B | [
"data structures",
"greedy"
] | null | null | stdin_stdout | 900 | {
"solved_count": 18527
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2210-A | codeforces | 2210-A | A Simple Sequence | https://codeforces.com/problemset/problem/2210/A | [
"constructive algorithms",
"dp",
"greedy",
"number theory"
] | null | null | stdin_stdout | 800 | {
"solved_count": 23502
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2209-F | codeforces | 2209-F | Dynamic Values And Maximum Sum | https://codeforces.com/problemset/problem/2209/F | [
"data structures",
"greedy",
"implementation",
"trees"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 440
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2209-E | codeforces | 2209-E | A Trivial String Problem | https://codeforces.com/problemset/problem/2209/E | [
"brute force",
"dp",
"hashing",
"string suffix structures",
"strings"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1880
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2209-D | codeforces | 2209-D | Ghostfires | https://codeforces.com/problemset/problem/2209/D | [
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 5597
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2209-C | codeforces | 2209-C | Find the Zero | https://codeforces.com/problemset/problem/2209/C | [
"constructive algorithms",
"interactive"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 11255
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2209-B | codeforces | 2209-B | Array | https://codeforces.com/problemset/problem/2209/B | [
"greedy"
] | null | null | stdin_stdout | 900 | {
"solved_count": 20361
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2209-A | codeforces | 2209-A | Flip Flops | https://codeforces.com/problemset/problem/2209/A | [
"greedy"
] | null | null | stdin_stdout | 800 | {
"solved_count": 22427
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2208-E | codeforces | 2208-E | Counting Cute Arrays | https://codeforces.com/problemset/problem/2208/E | [
"combinatorics",
"dp"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 448
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2208-D2 | codeforces | 2208-D2 | Tree Orientation (Hard Version) | https://codeforces.com/problemset/problem/2208/D2 | [
"dfs and similar",
"dsu",
"graphs",
"greedy",
"sortings",
"trees"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1943
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2208-D1 | codeforces | 2208-D1 | Tree Orientation (Easy Version) | https://codeforces.com/problemset/problem/2208/D1 | [
"constructive algorithms",
"dfs and similar",
"dsu",
"graphs",
"greedy",
"matrices",
"trees"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 4452
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2208-C | codeforces | 2208-C | Stamina and Tasks | https://codeforces.com/problemset/problem/2208/C | [
"dp",
"greedy",
"math"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 11776
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2208-B | codeforces | 2208-B | Cyclists | https://codeforces.com/problemset/problem/2208/B | [
"brute force",
"games",
"greedy",
"implementation",
"math",
"sortings"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 14282
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2208-A | codeforces | 2208-A | Bingo Candies | https://codeforces.com/problemset/problem/2208/A | [
"constructive algorithms",
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 21045
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2207-H3 | codeforces | 2207-H3 | Bowser's Castle (Hard Version) | https://codeforces.com/problemset/problem/2207/H3 | [
"constructive algorithms",
"divide and conquer",
"interactive",
"trees",
"two pointers"
] | null | null | stdin_stdout | null | {
"solved_count": 60
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2207-H2 | codeforces | 2207-H2 | Bowser's Castle (Medium Version) | https://codeforces.com/problemset/problem/2207/H2 | [
"constructive algorithms",
"divide and conquer",
"interactive",
"trees",
"two pointers"
] | null | null | stdin_stdout | null | {
"solved_count": 43
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2207-H1 | codeforces | 2207-H1 | Bowser's Castle (Easy Version) | https://codeforces.com/problemset/problem/2207/H1 | [
"binary search",
"constructive algorithms",
"divide and conquer",
"greedy",
"interactive",
"trees"
] | null | null | stdin_stdout | null | {
"solved_count": 55
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2207-G | codeforces | 2207-G | Toothless | https://codeforces.com/problemset/problem/2207/G | [
"constructive algorithms",
"dfs and similar",
"dsu"
] | null | null | stdin_stdout | 3,300 | {
"solved_count": 165
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2207-F | codeforces | 2207-F | Hanabi | https://codeforces.com/problemset/problem/2207/F | [
"binary search",
"data structures",
"dp",
"dsu",
"flows",
"graph matchings",
"graphs",
"greedy"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 287
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2207-E2 | codeforces | 2207-E2 | N-MEX (Counting Version) | https://codeforces.com/problemset/problem/2207/E2 | [
"combinatorics",
"constructive algorithms",
"math"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 910
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2207-E1 | codeforces | 2207-E1 | N-MEX (Constructive Version) | https://codeforces.com/problemset/problem/2207/E1 | [
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1725
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2207-D | codeforces | 2207-D | Boxed Like a Fish | https://codeforces.com/problemset/problem/2207/D | [
"dfs and similar",
"dp",
"games",
"shortest paths",
"trees"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 2180
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2207-C | codeforces | 2207-C | Where's My Water? | https://codeforces.com/problemset/problem/2207/C | [
"data structures",
"divide and conquer",
"dp",
"math"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 5918
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2207-B | codeforces | 2207-B | One Night At Freddy's | https://codeforces.com/problemset/problem/2207/B | [
"games",
"greedy",
"sortings"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 6166
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2207-A | codeforces | 2207-A | 1-1 | https://codeforces.com/problemset/problem/2207/A | [
"greedy",
"strings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 14274
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2206-M | codeforces | 2206-M | Deformed Balance | https://codeforces.com/problemset/problem/2206/M | [] | null | null | stdin_stdout | 2,900 | {
"solved_count": 51
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2206-L | codeforces | 2206-L | Onion | https://codeforces.com/problemset/problem/2206/L | [] | null | null | stdin_stdout | 3,500 | {
"solved_count": 49
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2206-K | codeforces | 2206-K | Time Display Stickers | https://codeforces.com/problemset/problem/2206/K | [
"binary search"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 1728
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2206-J | codeforces | 2206-J | Worldwide Playlist | https://codeforces.com/problemset/problem/2206/J | [
"math"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 1189
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2206-I | codeforces | 2206-I | Growth Factor | https://codeforces.com/problemset/problem/2206/I | [
"combinatorics",
"dp",
"math",
"number theory"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 177
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2206-H | codeforces | 2206-H | Reflect Sort | https://codeforces.com/problemset/problem/2206/H | [
"number theory"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 963
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2206-G | codeforces | 2206-G | Extra Transition | https://codeforces.com/problemset/problem/2206/G | [
"graphs"
] | null | null | stdin_stdout | 3,100 | {
"solved_count": 99
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2206-F | codeforces | 2206-F | Minesweeper String | https://codeforces.com/problemset/problem/2206/F | [
"fft",
"number theory"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 441
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2206-E | codeforces | 2206-E | Parallel Sums | https://codeforces.com/problemset/problem/2206/E | [
"data structures",
"geometry"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 441
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2206-D | codeforces | 2206-D | Christmas Tree Un-decoration | https://codeforces.com/problemset/problem/2206/D | [
"data structures",
"dp",
"trees"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 291
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2206-C | codeforces | 2206-C | Upside Down Dijkstra | https://codeforces.com/problemset/problem/2206/C | [
"dfs and similar"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 702
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2206-B | codeforces | 2206-B | Subtree Removal Game | https://codeforces.com/problemset/problem/2206/B | [
"binary search",
"games",
"trees"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 398
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2206-A | codeforces | 2206-A | Compare Suffixes | https://codeforces.com/problemset/problem/2206/A | [
"interactive"
] | null | null | stdin_stdout | 3,500 | {
"solved_count": 119
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2205-G | codeforces | 2205-G | Simons and Diophantus Equation | https://codeforces.com/problemset/problem/2205/G | [
"bitmasks",
"brute force",
"data structures",
"math",
"number theory"
] | null | null | stdin_stdout | 3,000 | {
"solved_count": 214
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2205-F | codeforces | 2205-F | Simons and Reconstructing His Roads | https://codeforces.com/problemset/problem/2205/F | [
"constructive algorithms",
"data structures",
"dsu",
"graphs"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 676
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2205-E | codeforces | 2205-E | Simons and Dividing the Rhythm | https://codeforces.com/problemset/problem/2205/E | [
"combinatorics",
"data structures",
"dp",
"dsu",
"math",
"string suffix structures",
"strings"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1639
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2205-D | codeforces | 2205-D | Simons and Beating Peaks | https://codeforces.com/problemset/problem/2205/D | [
"data structures",
"divide and conquer",
"dp",
"greedy",
"implementation",
"trees"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 5187
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2205-C | codeforces | 2205-C | Simons and Posting Blogs | https://codeforces.com/problemset/problem/2205/C | [
"greedy",
"sortings"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 8198
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2205-B | codeforces | 2205-B | Simons and Cakes for Success | https://codeforces.com/problemset/problem/2205/B | [
"implementation",
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 16765
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2205-A | codeforces | 2205-A | Simons and Making It Beautiful | https://codeforces.com/problemset/problem/2205/A | [
"brute force",
"constructive algorithms"
] | null | null | stdin_stdout | 800 | {
"solved_count": 17844
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2204-G | codeforces | 2204-G | Grid Path | https://codeforces.com/problemset/problem/2204/G | [
"dp",
"graphs",
"matrices"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 423
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2204-F | codeforces | 2204-F | Sum of Fractions | https://codeforces.com/problemset/problem/2204/F | [
"binary search",
"brute force",
"combinatorics",
"data structures",
"greedy",
"math",
"number theory",
"two pointers"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1287
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2204-E | codeforces | 2204-E | Sum of Digits (and Again) | https://codeforces.com/problemset/problem/2204/E | [
"brute force",
"constructive algorithms",
"math"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 4961
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2204-D | codeforces | 2204-D | Alternating Path | https://codeforces.com/problemset/problem/2204/D | [
"constructive algorithms",
"dfs and similar",
"graph matchings",
"graphs"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 9386
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2204-C | codeforces | 2204-C | Spring | https://codeforces.com/problemset/problem/2204/C | [
"math",
"number theory"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 18380
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2204-B | codeforces | 2204-B | Right Maximum | https://codeforces.com/problemset/problem/2204/B | [
"greedy"
] | null | null | stdin_stdout | 800 | {
"solved_count": 20319
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2204-A | codeforces | 2204-A | Passing the Ball | https://codeforces.com/problemset/problem/2204/A | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 22430
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2203-F | codeforces | 2203-F | Binary Search with One Swap | https://codeforces.com/problemset/problem/2203/F | [
"binary search",
"divide and conquer",
"dp",
"hashing",
"math",
"two pointers"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 430
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2203-E | codeforces | 2203-E | Probabilistic Card Game | https://codeforces.com/problemset/problem/2203/E | [
"binary search",
"data structures",
"games",
"greedy",
"math",
"ternary search"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1469
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2203-D | codeforces | 2203-D | Divisibility Game | https://codeforces.com/problemset/problem/2203/D | [
"brute force",
"games",
"greedy",
"number theory"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 5705
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2203-C | codeforces | 2203-C | Test Generator | https://codeforces.com/problemset/problem/2203/C | [
"binary search",
"bitmasks",
"greedy",
"math"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 7472
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2203-B | codeforces | 2203-B | Beautiful Numbers | https://codeforces.com/problemset/problem/2203/B | [
"bitmasks",
"dp",
"fft",
"greedy",
"math"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 15123
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2203-A | codeforces | 2203-A | Towers of Boxes | https://codeforces.com/problemset/problem/2203/A | [
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 18727
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2202-G1 | codeforces | 2202-G1 | Monotone Monochrome Matrices (Easy Version) | https://codeforces.com/problemset/problem/2202/G1 | [
"data structures"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 296
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2202-B | codeforces | 2202-B | ABAB Construction | https://codeforces.com/problemset/problem/2202/B | [
"dp",
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 11682
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2202-A | codeforces | 2202-A | Parkour Design | https://codeforces.com/problemset/problem/2202/A | [
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 16797
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2201-G | codeforces | 2201-G | Codeforces Heuristic Contest 1001 | https://codeforces.com/problemset/problem/2201/G | [
"constructive algorithms"
] | null | null | stdin_stdout | 3,500 | {
"solved_count": 69
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2201-F2 | codeforces | 2201-F2 | Monotone Monochrome Matrices (Hard Version) | https://codeforces.com/problemset/problem/2201/F2 | [
"constructive algorithms",
"data structures",
"hashing",
"math"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 412
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2201-F1 | codeforces | 2201-F1 | Monotone Monochrome Matrices (Medium Version) | https://codeforces.com/problemset/problem/2201/F1 | [
"data structures",
"hashing"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 280
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2201-E | codeforces | 2201-E | ABBA Counting | https://codeforces.com/problemset/problem/2201/E | [
"fft",
"math",
"number theory",
"strings"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 288
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2201-D | codeforces | 2201-D | Binary Not Search and Queries | https://codeforces.com/problemset/problem/2201/D | [
"data structures",
"greedy",
"implementation"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 813
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2201-C | codeforces | 2201-C | Rigged Bracket Sequence | https://codeforces.com/problemset/problem/2201/C | [
"combinatorics",
"dp",
"greedy"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 2070
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2201-B | codeforces | 2201-B | Recollect Numbers | https://codeforces.com/problemset/problem/2201/B | [
"constructive algorithms"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 5140
} | 2026-06-01T05:00:40.145500+00:00 |
codeforces:2201-A2 | codeforces | 2201-A2 | Lost Civilization (Hard Version) | https://codeforces.com/problemset/problem/2201/A2 | [
"data structures",
"dp"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 5270
} | 2026-06-01T05:00:40.145500+00:00 |
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