DIV.2
Div. 2, Problem E
List of random Codeforces problems, all of them are Div. 2 E problems. The problems are sorted, the most solved problem comes first. This is a good practice for whoever can solve almost all Div. 2 A, B, C and D problems, but might have some difficulties while solving the C problems.
PROBLEM TYPE E
PROBLEMS 100
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COMPLETION 0 / 100
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| # | PROBLEM | RATING | DIFFICULTY | TAGS | STATUS |
|---|---|---|---|---|---|
| 01 | Pashmak and Graph | LVL 5 | dpsortings | | |
| 02 | Civilization | LVL 5 | dfs and similardpdsu +2 | | |
| 03 | Sereja and Brackets | LVL 5 | data structuresschedules | | |
| 04 | Propagating tree | LVL 5 | data structuresdfs and similartrees | | |
| 05 | XOR on Segment | LVL 5 | bitmasksdata structures | | |
| 06 | Yet Another Task with Queens | LVL 6 | sortings | | |
| 07 | Mashmokh and Reverse Operation | LVL 5 | combinatoricsdivide and conquer | | |
| 08 | Choosing Balls | LVL 5 | dp | | |
| 09 | Subsegments | LVL 4 | data structuresimplementation | | |
| 10 | Sausage Maximization | LVL 5 | bitmasksdata structurestrees | | |
| 11 | Games with Rectangle | LVL 5 | combinatoricsdp | | |
| 12 | Riding in a Lift | LVL 5 | combinatoricsdp | | |
| 13 | Fools and Roads | LVL 4 | data structuresdfs and similartrees | | |
| 14 | Enemy is weak | LVL 5 | data structurestrees | | |
| 15 | Cipher | LVL 5 | combinatoricsdp | | |
| 16 | Flawed Flow | LVL 5 | constructive algorithmsflowsgraphs +1 | | |
| 17 | Greg and Friends | LVL 5 | combinatoricsdpgraphs +1 | | |
| 18 | Fish | LVL 6 | bitmasksdpprobabilities | | |
| 19 | Main Sequence | LVL 5 | greedyimplementation | | |
| 20 | Jzzhu and Apples | LVL 7 | constructive algorithmsnumber theory | | |
| 21 | Arthur and Brackets | LVL 6 | dpgreedy | | |
| 22 | Little Elephant and LCM | LVL 5 | binary searchcombinatoricsdp +1 | | |
| 23 | Prefix Product Sequence | LVL 6 | constructive algorithmsmathnumber theory | | |
| 24 | Lucky Subsequence | LVL 5 | combinatoricsdpmath | | |
| 25 | Interesting Game | LVL 5 | dpgamesmath | | |
| 26 | Zero-One | LVL 4 | constructive algorithmsgamesgreedy | | |
| 27 | Divisors | LVL 6 | brute forcedfs and similarimplementation +1 | | |
| 28 | Game on Tree | LVL 6 | implementationmathprobabilities +1 | | |
| 29 | Last Chance | LVL 5 | data structuresimplementationstrings | | |
| 30 | Build String | LVL 5 | flowsgraphs | | |
| 31 | Number Transformation II | LVL 6 | greedymath | | |
| 32 | Double Profiles | LVL 6 | graphshashingsortings | | |
| 33 | Number Transformation | LVL 5 | dpgreedynumber theory | | |
| 34 | Prefix Product Sequence | LVL 6 | | | |
| 35 | DZY Loves Fibonacci Numbers | LVL 7 | data structuresmathnumber theory | | |
| 36 | DZY Loves Colors | LVL 6 | data structures | | |
| 37 | Little Elephant and Shifts | LVL 5 | data structures | | |
| 38 | Inna and Binary Logic | LVL 5 | binary searchbitmasksdata structures | | |
| 39 | Martian Strings | LVL 6 | string suffix structuresstrings | | |
| 40 | Devu and Birthday Celebration | LVL 6 | combinatoricsdpmath | | |
| 41 | Iahub and Permutations | LVL 5 | combinatoricsmath | | |
| 42 | Hiking | LVL 7 | binary searchdp | | |
| 43 | Splitting the Uniqueness | LVL 7 | constructive algorithms | | |
| 44 | George and Cards | LVL 6 | binary searchdata structures | | |
| 45 | Dima and Magic Guitar | LVL 5 | brute forceimplementationmath | | |
| 46 | Ski Base | LVL 5 | combinatoricsdsugraphs | | |
| 47 | Wrong Floyd | LVL 5 | brute forceconstructive algorithmsdfs and similar +1 | | |
| 48 | Empire Strikes Back | LVL 6 | binary searchmathnumber theory | | |
| 49 | Mushroom Gnomes - 2 | LVL 5 | binary searchdata structuresprobabilities +1 | | |
| 50 | Parking Lot | LVL 6 | data structures | | |
| 51 | Xenia and Tree | LVL 7 | data structuresdivide and conquertrees | | |
| 52 | Cactus | LVL 6 | data structuresdfs and similardp +2 | | |
| 53 | Anniversary | LVL 7 | data structuresimplementationmath +2 | | |
| 54 | Hack it! | LVL 7 | binary searchconstructive algorithmsmath | | |
| 55 | Graph Reconstruction | LVL 6 | constructive algorithms | | |
| 56 | Help Caretaker | LVL 6 | brute forcedp | | |
| 57 | Martian Luck | LVL 5 | mathnumber theory | | |
| 58 | Collisions | LVL 6 | brute forceimplementationmath | | |
| 59 | Chip Play | LVL 5 | brute forcedata structuresimplementation | | |
| 60 | Beautiful Set | LVL 6 | brute forcenumber theory | | |
| 61 | Strictly Positive Matrix | LVL 5 | graphsmath | | |
| 62 | Square Tiling | LVL 7 | constructive algorithmsgreedy | | |
| 63 | Game | LVL 7 | gamesimplementation | | |
| 64 | Dreamoon and Strings | LVL 6 | dpstrings | | |
| 65 | Counter Attack | LVL 7 | data structuresdsugraphs +2 | | |
| 66 | Three Horses | LVL 6 | constructive algorithmsmathnumber theory | | |
| 67 | Playing with String | LVL 7 | games | | |
| 68 | Colorado Potato Beetle | LVL 6 | dfs and similarimplementation | | |
| 69 | Three Swaps | LVL 9 | constructive algorithmsdfs and similargreedy | | |
| 70 | Cyclical Quest | LVL 8 | data structuresstring suffix structuresstrings | | |
| 71 | Petya and Pipes | LVL 7 | flowsgraphsshortest paths | | |
| 72 | Common ancestor | LVL 7 | dp | | |
| 73 | Neatness | LVL 8 | constructive algorithmsdfs and similar | | |
| 74 | Yaroslav and Algorithm | LVL 7 | constructive algorithms | | |
| 75 | Strange Sorting | LVL 8 | implementationmath | | |
| 76 | Helping People | LVL 8 | dpprobabilities | | |
| 77 | Dima and Kicks | LVL 7 | brute forcedsugraphs +1 | | |
| 78 | Hamming Distance | LVL 6 | constructive algorithmsgreedymath +1 | | |
| 79 | Delivering Carcinogen | LVL 6 | binary searchgeometry | | |
| 80 | Graph Cutting | LVL 6 | dfs and similargraphs | | |
| 81 | The Last Hole! | LVL 8 | brute forcegeometry | | |
| 82 | Circling Round Treasures | LVL 7 | bitmasksshortest paths | | |
| 83 | Lucky Tickets | LVL 8 | brute forceconstructive algorithms | | |
| 84 | Help Greg the Dwarf | LVL 7 | geometryternary search | | |
| 85 | Transportation | LVL 6 | greedysortingstwo pointers | | |
| 86 | Ship's Shortest Path | LVL 7 | geometryshortest paths | | |
| 87 | Horse Races | LVL 8 | dpmath | | |
| 88 | Roland and Rose | LVL 8 | brute forcegeometrymath +1 | | |
| 89 | Binary Key | LVL 7 | dpgreedyimplementation | | |
| 90 | Yet Another Number Sequence | LVL 9 | combinatoricsmathmatrices | | |
| 91 | Piglet's Birthday | LVL 7 | dpmathprobabilities | | |
| 92 | Inna and Large Sweet Matrix | LVL 9 | | | |
| 93 | Two Circles | LVL 9 | brute forcedata structuresimplementation | | |
| 94 | Fox And Dinner | LVL 6 | flows | | |
| 95 | Ksenia and Combinatorics | LVL 8 | combinatoricsdp | | |
| 96 | Misha and Palindrome Degree | LVL 7 | binary searchcombinatoricsimplementation | | |
| 97 | Expression | LVL 8 | dp | | |
| 98 | Lightbulb for Minister | LVL 10 | geometry | | |
| 99 | Clever Fat Rat | LVL 10 | dp | | |
| 100 | MUH and Lots and Lots of Segments | LVL 8 | data structuresdsu | |
ANALYTICS
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≤ CANDIDATE MASTER
26
PROBLEMS MASTER
25
PROBLEMS INTERNATIONAL MASTER
17
PROBLEMS ≥ GRANDMASTER
32
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