LADDER 07
1800 ≤ Rating ≤ 1899
For users satisfying this condition: 1800 <= Codeforces Rating <= 1899.
LEVEL Expert
PROBLEMS 100
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| # | PROBLEM | RATING | DIFFICULTY | TAGS | STATUS |
|---|---|---|---|---|---|
| 01 | Anton and Letters | LVL 1 | constructive algorithmsimplementation | | |
| 02 | Way Too Long Words | LVL 1 | strings | | |
| 03 | Young Physicist | LVL 1 | implementationmath | | |
| 04 | Coder | LVL 1 | implementation | | |
| 05 | Collecting Beats is Fun | LVL 2 | implementation | | |
| 06 | Fox and Cross | LVL 3 | greedyimplementation | | |
| 07 | Archer | LVL 3 | mathprobabilities | | |
| 08 | Sereja and Suffixes | LVL 3 | data structuresdp | | |
| 09 | Ladder | LVL 4 | dpimplementationtwo pointers | | |
| 10 | Color the Fence | LVL 4 | data structuresdpgreedy +1 | | |
| 11 | Vasya and Robot | LVL 4 | brute forcegreedymath | | |
| 12 | Fools and Roads | LVL 4 | data structuresdfs and similartrees | | |
| 13 | Dima and Hares | LVL 4 | dpgreedy | | |
| 14 | Xenia and Weights | LVL 4 | constructive algorithmsdfs and similardp +3 | | |
| 15 | Inna and Dima | LVL 4 | dfs and similardpgraphs +1 | | |
| 16 | Cows and Sequence | LVL 4 | constructive algorithmsdata structuresimplementation | | |
| 17 | Psychos in a Line | LVL 4 | data structuresimplementation | | |
| 18 | Greg and Graph | LVL 4 | dpgraphsshortest paths | | |
| 19 | Number of Ways | LVL 4 | binary searchbrute forcedata structures +2 | | |
| 20 | Working out | LVL 4 | dp | | |
| 21 | Read Time | LVL 4 | binary searchgreedytwo pointers | | |
| 22 | Cow Program | LVL 4 | dfs and similardpgraphs | | |
| 23 | LCM Challenge | LVL 4 | number theory | | |
| 24 | Bubble Sort Graph | LVL 4 | binary searchdata structuresdp | | |
| 25 | Beautiful Numbers | LVL 4 | brute forcecombinatorics | | |
| 26 | Counting Kangaroos is Fun | LVL 4 | binary searchgreedysortings +1 | | |
| 27 | Little Girl and Maximum Sum | LVL 4 | data structuresgreedyimplementation +1 | | |
| 28 | Little Girl and Maximum XOR | LVL 4 | bitmasksdpgreedy +2 | | |
| 29 | No to Palindromes! | LVL 4 | greedystrings | | |
| 30 | George and Job | LVL 4 | dpimplementation | | |
| 31 | Matrix | LVL 4 | combinatoricsdata structuresimplementation | | |
| 32 | Round Table Knights | LVL 4 | dpmathnumber theory | | |
| 33 | Caesar's Legions | LVL 4 | dp | | |
| 34 | Zero Tree | LVL 4 | dfs and similardpgreedy +1 | | |
| 35 | Maximum Submatrix 2 | LVL 4 | data structuresdpimplementation +1 | | |
| 36 | Password | LVL 4 | binary searchdphashing +2 | | |
| 37 | Book of Evil | LVL 5 | dfs and similardivide and conquerdp +1 | | |
| 38 | Lucky Tree | LVL 5 | dpdsutrees | | |
| 39 | Jzzhu and Cities | LVL 5 | graphsgreedyshortest paths | | |
| 40 | Ciel and Duel | LVL 5 | dpflowsgreedy | | |
| 41 | Array and Operations | LVL 5 | flowsgraph matchingsnumber theory | | |
| 42 | Increase Sequence | LVL 5 | combinatoricsdp | | |
| 43 | Choosing Capital for Treeland | LVL 5 | dfs and similardpgraphs +1 | | |
| 44 | Fox and Minimal path | LVL 5 | bitmasksconstructive algorithmsgraphs +2 | | |
| 45 | Kalila and Dimna in the Logging Industry | LVL 5 | dpgeometry | | |
| 46 | Vessels | LVL 5 | data structuresdsuimplementation +1 | | |
| 47 | Greg and Friends | LVL 5 | combinatoricsdpgraphs +1 | | |
| 48 | Sereja and the Arrangement of Numbers | LVL 5 | graphsgreedysortings | | |
| 49 | Super M | LVL 5 | dfs and similardpgraphs +1 | | |
| 50 | Count Good Substrings | LVL 5 | math | | |
| 51 | Roman and Numbers | LVL 5 | bitmasksbrute forcecombinatorics +2 | | |
| 52 | Dima and Bacteria | LVL 5 | dsugraphsshortest paths | | |
| 53 | Civilization | LVL 5 | dfs and similardpdsu +2 | | |
| 54 | Enemy is weak | LVL 5 | data structurestrees | | |
| 55 | Dima and Salad | LVL 5 | dp | | |
| 56 | Little Elephant and Array | LVL 5 | constructive algorithmsdata structures | | |
| 57 | Prime Number | LVL 5 | mathnumber theory | | |
| 58 | Prefixes and Suffixes | LVL 5 | dpstring suffix structuresstrings +1 | | |
| 59 | A Lot of Games | LVL 5 | dfs and similardpgames +3 | | |
| 60 | Ciel the Commander | LVL 5 | constructive algorithmsdfs and similardivide and conquer +2 | | |
| 61 | Painting Fence | LVL 5 | divide and conquerdpgreedy | | |
| 62 | Breaking Good | LVL 5 | dfs and similardpgraphs +1 | | |
| 63 | Eternal Victory | LVL 5 | dfs and similargraphsgreedy +2 | | |
| 64 | XOR on Segment | LVL 5 | bitmasksdata structures | | |
| 65 | Sereja and Subsequences | LVL 5 | data structuresdp | | |
| 66 | Levko and Array | LVL 5 | binary searchdp | | |
| 67 | Gargari and Permutations | LVL 5 | dfs and similardpgraphs +1 | | |
| 68 | Watching Fireworks is Fun | LVL 5 | data structuresdpmath | | |
| 69 | Valid Sets | LVL 5 | dfs and similardpmath +1 | | |
| 70 | Pashmak and Parmida's problem | LVL 5 | data structuresdivide and conquersortings | | |
| 71 | Maximum Value | LVL 5 | binary searchmathsortings +1 | | |
| 72 | Pashmak and Graph | LVL 5 | dpsortings | | |
| 73 | Fox and Card Game | LVL 5 | gamesgreedysortings | | |
| 74 | Strip | LVL 5 | binary searchdata structuresdp +1 | | |
| 75 | Propagating tree | LVL 5 | data structuresdfs and similartrees | | |
| 76 | Sausage Maximization | LVL 5 | bitmasksdata structurestrees | | |
| 77 | Sereja ans Anagrams | LVL 5 | binary searchdata structures | | |
| 78 | Good Substrings | LVL 5 | data structuresstrings | | |
| 79 | Appleman and Tree | LVL 5 | dfs and similardptrees | | |
| 80 | MUH and Cube Walls | LVL 5 | string suffix structuresstrings | | |
| 81 | Pair of Numbers | LVL 5 | binary searchbrute forcedata structures +2 | | |
| 82 | Sereja and Brackets | LVL 5 | data structuresschedules | | |
| 83 | Water Tree | LVL 5 | data structuresdfs and similargraphs +1 | | |
| 84 | Antimatter | LVL 6 | dp | | |
| 85 | LIS of Sequence | LVL 6 | data structuresdpgreedy +2 | | |
| 86 | The Maths Lecture | LVL 6 | dpimplementation | | |
| 87 | Number Transformation II | LVL 6 | greedymath | | |
| 88 | Fools and Foolproof Roads | LVL 6 | data structuresdfs and similardsu +2 | | |
| 89 | Lucky Queries | LVL 6 | data structures | | |
| 90 | Caisa and Tree | LVL 6 | brute forcedfs and similarmath +2 | | |
| 91 | Valera and Fools | LVL 6 | dfs and similardpgraphs +1 | | |
| 92 | Blood Cousins | LVL 6 | binary searchdata structuresdfs and similar +1 | | |
| 93 | Information Graph | LVL 6 | dfs and similardsugraphs +1 | | |
| 94 | Vasya and Beautiful Arrays | LVL 6 | brute forcedpnumber theory | | |
| 95 | Little Girl and Problem on Trees | LVL 6 | data structuresgraphstrees | | |
| 96 | Valera and Queries | LVL 6 | binary searchdata structures | | |
| 97 | Yaroslav and Divisors | LVL 6 | data structures | | |
| 98 | Shaass the Great | LVL 7 | dptrees | | |
| 99 | Tree and Queries | LVL 7 | data structuresdfs and similartrees | | |
| 100 | Xenia and Tree | LVL 7 | data structuresdivide and conquertrees | |
ANALYTICS
Quick Stats
≤ EXPERT
39
PROBLEMS CANDIDATE MASTER
31
PROBLEMS MASTER
25
PROBLEMS ≥ INTERNATIONAL MASTER
5
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