LADDER 09
2000 ≤ Rating ≤ 2099
For users satisfying this condition: 2000 <= Codeforces Rating <= 2099.
LEVEL Candidate Master
PROBLEMS 100
PROGRESS
Your Statistics
SOLVED
COMPLETION 0 / 100
PROBLEM SET
All Problems
SHOW/HIDE
RATING RANGE
—
SORT BY RATING
FILTER BY TAG
| # | PROBLEM | RATING | DIFFICULTY | TAGS | STATUS |
|---|---|---|---|---|---|
| 01 | Fox And Snake | LVL 1 | implementation | | |
| 02 | Pangram | LVL 1 | implementationstrings | | |
| 03 | Vanya and Cubes | LVL 1 | implementation | | |
| 04 | Minimum Difficulty | LVL 2 | brute forceimplementationmath | | |
| 05 | Dreamoon and WiFi | LVL 3 | bitmasksbrute forcecombinatorics +3 | | |
| 06 | Giga Tower | LVL 3 | brute force | | |
| 07 | Vanya and Lanterns | LVL 3 | binary searchimplementationmath +1 | | |
| 08 | Two Buttons | LVL 4 | dfs and similargraphsgreedy +3 | | |
| 09 | Good Sequences | LVL 4 | dpnumber theory | | |
| 10 | Long Path | LVL 4 | dpimplementation | | |
| 11 | Maximum Submatrix 2 | LVL 4 | data structuresdpimplementation +1 | | |
| 12 | Glass Carving | LVL 4 | binary searchdata structuresimplementation | | |
| 13 | Factory | LVL 4 | implementationmathmatrices | | |
| 14 | Mr. Kitayuta, the Treasure Hunter | LVL 4 | dfs and similardptwo pointers | | |
| 15 | Number of Ways | LVL 4 | binary searchbrute forcedata structures +2 | | |
| 16 | Vanya and Exams | LVL 4 | greedysortings | | |
| 17 | Clique Problem | LVL 4 | data structuresdpgreedy +2 | | |
| 18 | Triangle | LVL 4 | brute forcegeometryimplementation +1 | | |
| 19 | DZY Loves Sequences | LVL 4 | dpimplementationtwo pointers | | |
| 20 | Boredom | LVL 4 | dp | | |
| 21 | Fox and Card Game | LVL 5 | gamesgreedysortings | | |
| 22 | Fox and Minimal path | LVL 5 | bitmasksconstructive algorithmsgraphs +2 | | |
| 23 | Drazil and Tiles | LVL 5 | constructive algorithmsgreedy | | |
| 24 | Vanya and Field | LVL 5 | math | | |
| 25 | Watching Fireworks is Fun | LVL 5 | data structuresdpmath | | |
| 26 | Sereja and Table | LVL 5 | bitmasksgreedy | | |
| 27 | Ciel and Duel | LVL 5 | dpflowsgreedy | | |
| 28 | Three States | LVL 5 | dfs and similargraphsshortest paths | | |
| 29 | Little Pony and Harmony Chest | LVL 5 | bitmasksbrute forcedp | | |
| 30 | Increase Sequence | LVL 5 | combinatoricsdp | | |
| 31 | Pashmak and Parmida's problem | LVL 5 | data structuresdivide and conquersortings | | |
| 32 | Levko and Array | LVL 5 | binary searchdp | | |
| 33 | Vanya and Computer Game | LVL 5 | binary searchimplementationmath +1 | | |
| 34 | Appleman and a Sheet of Paper | LVL 5 | data structuresimplementation | | |
| 35 | Jeff and Permutation | LVL 5 | greedy | | |
| 36 | Ciel the Commander | LVL 5 | constructive algorithmsdfs and similardivide and conquer +2 | | |
| 37 | Pair of Numbers | LVL 5 | binary searchbrute forcedata structures +2 | | |
| 38 | Wonder Room | LVL 5 | brute forcemath | | |
| 39 | Upgrading Array | LVL 5 | dpgreedymath +1 | | |
| 40 | Pashmak and Graph | LVL 5 | dpsortings | | |
| 41 | DZY Loves Modification | LVL 5 | brute forcedata structuresgreedy | | |
| 42 | Water Tree | LVL 5 | data structuresdfs and similargraphs +1 | | |
| 43 | Appleman and Tree | LVL 5 | dfs and similardptrees | | |
| 44 | Gerald and Giant Chess | LVL 5 | combinatoricsdpmath +1 | | |
| 45 | Array and Operations | LVL 5 | flowsgraph matchingsnumber theory | | |
| 46 | Restore Cube | LVL 5 | brute forcegeometry | | |
| 47 | Lucky Subsequence | LVL 5 | combinatoricsdpmath | | |
| 48 | Little Elephant and Array | LVL 5 | constructive algorithmsdata structures | | |
| 49 | Strip | LVL 5 | binary searchdata structuresdp +1 | | |
| 50 | Sereja and Brackets | LVL 5 | data structuresschedules | | |
| 51 | Mashmokh and Reverse Operation | LVL 5 | combinatoricsdivide and conquer | | |
| 52 | Prefixes and Suffixes | LVL 5 | dpstring suffix structuresstrings +1 | | |
| 53 | Propagating tree | LVL 5 | data structuresdfs and similartrees | | |
| 54 | Two Sets | LVL 5 | 2-satdfs and similardsu +2 | | |
| 55 | Civilization | LVL 5 | dfs and similardpdsu +2 | | |
| 56 | Little Pony and Summer Sun Celebration | LVL 5 | constructive algorithmsdfs and similargraphs | | |
| 57 | Watto and Mechanism | LVL 5 | binary searchdata structureshashing +2 | | |
| 58 | Substitutes in Number | LVL 5 | dp | | |
| 59 | A Lot of Games | LVL 5 | dfs and similardpgames +3 | | |
| 60 | Jzzhu and Cities | LVL 5 | graphsgreedyshortest paths | | |
| 61 | Caisa and Tree | LVL 6 | brute forcedfs and similarmath +2 | | |
| 62 | Hill Climbing | LVL 6 | dfs and similargeometrytrees | | |
| 63 | Mr. Kitayuta's Colorful Graph | LVL 6 | brute forcedfs and similardsu +1 | | |
| 64 | Double Profiles | LVL 6 | graphshashingsortings | | |
| 65 | Number Transformation II | LVL 6 | greedymath | | |
| 66 | Darth Vader and Tree | LVL 6 | dpmatrices | | |
| 67 | Divisors | LVL 6 | brute forcedfs and similarimplementation +1 | | |
| 68 | Captains Mode | LVL 6 | bitmasksdpgames | | |
| 69 | Mike and Frog | LVL 6 | brute forcegreedyimplementation +1 | | |
| 70 | Sereja and Two Sequences | LVL 6 | data structuresdp | | |
| 71 | A Simple Task | LVL 6 | data structuressortingsstrings | | |
| 72 | Devu and Birthday Celebration | LVL 6 | combinatoricsdpmath | | |
| 73 | Sereja and Squares | LVL 6 | binary searchdata structureshashing | | |
| 74 | Traffic Jams in the Land | LVL 6 | data structuresdpnumber theory | | |
| 75 | Match & Catch | LVL 6 | dpstring suffix structuresstrings | | |
| 76 | DZY Loves FFT | LVL 6 | probabilities | | |
| 77 | The Child and Sequence | LVL 6 | data structuresmath | | |
| 78 | Vasya and Beautiful Arrays | LVL 6 | brute forcedpnumber theory | | |
| 79 | Beautiful Pairs of Numbers | LVL 6 | combinatoricsdp | | |
| 80 | Tricky Function | LVL 6 | data structuresdivide and conquergeometry | | |
| 81 | Antimatter | LVL 6 | dp | | |
| 82 | DZY Loves Colors | LVL 6 | data structures | | |
| 83 | Information Graph | LVL 6 | dfs and similardsugraphs +1 | | |
| 84 | Jzzhu and Numbers | LVL 6 | bitmaskscombinatoricsdp | | |
| 85 | Little Elephant and Inversions | LVL 7 | data structurestwo pointers | | |
| 86 | Subset Sums | LVL 7 | brute forcedata structures | | |
| 87 | Arthur and Walls | LVL 7 | constructive algorithmsdata structuresgraphs +2 | | |
| 88 | Mashmokh and Water Tanks | LVL 7 | binary searchdata structuresgreedy +2 | | |
| 89 | Square Tiling | LVL 7 | constructive algorithmsgreedy | | |
| 90 | Alex and Complicated Task | LVL 7 | data structuresdpgreedy | | |
| 91 | Fedor and Essay | LVL 7 | dfs and similardpgraphs +2 | | |
| 92 | Case of a Top Secret | LVL 7 | binary searchimplementationmath | | |
| 93 | Xenia and Tree | LVL 7 | data structuresdivide and conquertrees | | |
| 94 | Kindergarten | LVL 7 | data structuresdpgreedy | | |
| 95 | Artem and Array | LVL 7 | data structuresgreedy | | |
| 96 | Jzzhu and Apples | LVL 7 | constructive algorithmsnumber theory | | |
| 97 | DZY Loves Fibonacci Numbers | LVL 7 | data structuresmathnumber theory | | |
| 98 | Polo the Penguin and Trees | LVL 8 | combinatoricsdfs and similartrees | | |
| 99 | Sign on Fence | LVL 8 | binary searchconstructive algorithmsdata structures | | |
| 100 | Serega and Fun | LVL 8 | data structures | |
ANALYTICS
Quick Stats
≤ CANDIDATE MASTER
45
PROBLEMS MASTER
27
PROBLEMS INTERNATIONAL MASTER
11
PROBLEMS ≥ GRANDMASTER
17
PROBLEMS