DIV.1
Div. 1, Problem D
List of random Codeforces problems, all of them are Div. 1 D problems. The problems are sorted, the most solved problem comes first. This is a good practice for whoever can solve almost all Div. 1 A, B and C problems, but might have some difficulties while solving the C problems.
PROBLEM TYPE D
PROBLEMS 100
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SOLVED
COMPLETION 0 / 100
PROBLEM SET
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| # | PROBLEM | RATING | DIFFICULTY | TAGS | STATUS |
|---|---|---|---|---|---|
| 01 | Tricky Function | LVL 6 | data structuresdivide and conquergeometry | | |
| 02 | Characteristics of Rectangles | LVL 5 | binary searchbitmasksbrute force +2 | | |
| 03 | Antimatter | LVL 6 | dp | | |
| 04 | The Child and Sequence | LVL 6 | data structuresmath | | |
| 05 | Kindergarten | LVL 7 | data structuresdpgreedy | | |
| 06 | Water Tree | LVL 5 | data structuresdfs and similargraphs +1 | | |
| 07 | Towers | LVL 5 | dpgreedytwo pointers | | |
| 08 | Numbers | LVL 5 | constructive algorithmsimplementation | | |
| 09 | Sereja and Squares | LVL 6 | binary searchdata structureshashing | | |
| 10 | Hill Climbing | LVL 6 | dfs and similargeometrytrees | | |
| 11 | Yaroslav and Divisors | LVL 6 | data structures | | |
| 12 | Jzzhu and Numbers | LVL 6 | bitmaskscombinatoricsdp | | |
| 13 | Game with Powers | LVL 6 | dpgames | | |
| 14 | The table | LVL 5 | constructive algorithmsgreedy | | |
| 15 | Time to Raid Cowavans | LVL 5 | brute forcedata structuressortings | | |
| 16 | Beautiful Pairs of Numbers | LVL 6 | combinatoricsdp | | |
| 17 | Lovely Matrix | LVL 6 | dfs and similargraphsgreedy +1 | | |
| 18 | Constants in the language of Shakespeare | LVL 5 | constructive algorithmsdpgreedy | | |
| 19 | Polo the Penguin and Trees | LVL 8 | combinatoricsdfs and similartrees | | |
| 20 | Tree and Queries | LVL 7 | data structuresdfs and similartrees | | |
| 21 | Traffic Jams in the Land | LVL 6 | data structuresdpnumber theory | | |
| 22 | Mashmokh and Water Tanks | LVL 7 | binary searchdata structuresgreedy +2 | | |
| 23 | Iahub and Xors | LVL 7 | data structures | | |
| 24 | Fibonacci Sums | LVL 6 | dpmath | | |
| 25 | Numbers | LVL 7 | dpmathnumber theory | | |
| 26 | Developing Game | LVL 7 | data structures | | |
| 27 | Little Elephant and Broken Sorting | LVL 8 | dpmathprobabilities | | |
| 28 | Clues | LVL 7 | combinatoricsgraphs | | |
| 29 | Sereja and Sets | LVL 7 | bitmasksdfs and similar | | |
| 30 | Interval Cubing | LVL 7 | data structuresmath | | |
| 31 | Cows and Cool Sequences | LVL 7 | dpmathnumber theory | | |
| 32 | Sereja and Straight Lines | LVL 7 | binary searchdata structuresgeometry +2 | | |
| 33 | Beautiful Road | LVL 6 | dfs and similardpdsu +4 | | |
| 34 | Turtles | LVL 7 | dpmatrices | | |
| 35 | Greg and Caves | LVL 7 | combinatoricsdp | | |
| 36 | String | LVL 7 | string suffix structures | | |
| 37 | Color the Carpet | LVL 7 | constructive algorithms | | |
| 38 | Adam and Tree | LVL 7 | data structurestrees | | |
| 39 | Choosing Subtree is Fun | LVL 8 | binary searchdata structuresdfs and similar +2 | | |
| 40 | Sereja and Cinema | LVL 7 | combinatoricsmath | | |
| 41 | Petya and Coloring | LVL 7 | combinatoricsdp | | |
| 42 | Stars | LVL 6 | constructive algorithmsgeometry | | |
| 43 | Ghd | LVL 9 | brute forcemathprobabilities | | |
| 44 | Flatland Fencing | LVL 7 | gamesmath | | |
| 45 | Little Elephant and Retro Strings | LVL 7 | dp | | |
| 46 | Castle | LVL 6 | dpgreedyprobabilities +2 | | |
| 47 | Parcels | LVL 8 | dpgraphs | | |
| 48 | Brand New Problem | LVL 8 | bitmasksbrute forcedp | | |
| 49 | Largest Submatrix 3 | LVL 8 | dphashing | | |
| 50 | Maximum Waterfall | LVL 7 | data structuresdpgraphs +1 | | |
| 51 | Bags and Coins | LVL 8 | bitmasksconstructive algorithmsdp +1 | | |
| 52 | Flags | LVL 7 | dpmathmatrices | | |
| 53 | Little Elephant and Triangle | LVL 7 | geometrymath | | |
| 54 | Domino Carpet | LVL 6 | dpimplementation | | |
| 55 | GCD Table | LVL 9 | chinese remainder theoremmathnumber theory | | |
| 56 | Museum | LVL 9 | mathmatricesprobabilities | | |
| 57 | Maxim and Increasing Subsequence | LVL 8 | dp | | |
| 58 | Visit of the Great | LVL 7 | mathnumber theory | | |
| 59 | Tourists | LVL 8 | data structuressortings | | |
| 60 | Robot Control | LVL 7 | dpgraphsshortest paths | | |
| 61 | Space mines | LVL 7 | geometry | | |
| 62 | World of Darkraft | LVL 7 | dpgames | | |
| 63 | Dima and Figure | LVL 7 | dp | | |
| 64 | Jeff and Removing Periods | LVL 8 | data structures | | |
| 65 | Colorful Stones | LVL 7 | dptwo pointers | | |
| 66 | The Next Good String | LVL 8 | data structuresgreedyhashing +1 | | |
| 67 | Mission Impassable | LVL 8 | dpstrings | | |
| 68 | Conveyor Belts | LVL 8 | data structures | | |
| 69 | Have You Ever Heard About the Word? | LVL 8 | greedyhashingstring suffix structures +1 | | |
| 70 | Birthday | LVL 8 | data structuresdfs and similardp +1 | | |
| 71 | Horse Races | LVL 8 | dpmath | | |
| 72 | Fence | LVL 9 | binary searchdata structuresstring suffix structures | | |
| 73 | k-Maximum Subsequence Sum | LVL 9 | data structuresflowsgraphs +1 | | |
| 74 | BRT Contract | LVL 8 | data structures | | |
| 75 | Liars and Serge | LVL 9 | dp | | |
| 76 | Levko and Sets | LVL 8 | number theory | | |
| 77 | Appleman and Complicated Task | LVL 8 | dsumath | | |
| 78 | Donkey and Stars | LVL 7 | data structuresdpgeometry +2 | | |
| 79 | Ciel and Flipboard | LVL 9 | dpgreedymath | | |
| 80 | Unambiguous Arithmetic Expression | LVL 8 | dpexpression parsing | | |
| 81 | Two Segments | LVL 9 | data structures | | |
| 82 | Rotatable Number | LVL 8 | mathnumber theory | | |
| 83 | Metro Scheme | LVL 9 | graphsgreedy | | |
| 84 | Help Monks | LVL 7 | constructive algorithms | | |
| 85 | Bitonix' Patrol | LVL 8 | bitmasksbrute forcecombinatorics +2 | | |
| 86 | Random Function and Tree | LVL 8 | combinatoricsdptrees | | |
| 87 | Lucky Pair | LVL 9 | combinatoricsdata structuresimplementation | | |
| 88 | On Sum of Number of Inversions in Permutations | LVL 9 | combinatoricsmath | | |
| 89 | Google Code Jam | LVL 9 | dpprobabilities | | |
| 90 | Misha and XOR | LVL 8 | bitmasks | | |
| 91 | Fox and Perfect Sets | LVL 8 | math | | |
| 92 | DZY Loves Games | LVL 9 | mathmatricesprobabilities | | |
| 93 | Nanami's Power Plant | LVL 9 | flows | | |
| 94 | Fox And Travelling | LVL 8 | dptrees | | |
| 95 | Graph Game | LVL 8 | graphs | | |
| 96 | Tape Programming | LVL 9 | data structuresimplementation | | |
| 97 | Little Pony and Elements of Harmony | LVL 9 | dpmatrices | | |
| 98 | Three Arrays | LVL 10 | data structures | | |
| 99 | Tree | LVL 9 | graph matchings | | |
| 100 | Cube Snake | LVL 8 | constructive algorithms | |
ANALYTICS
Quick Stats
≤ GRANDMASTER
52
PROBLEMS INT. GRANDMASTER
45
PROBLEMS LEGENDARY GM
3
PROBLEMS ≥ LEGENDARY GM
3
PROBLEMS