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Problemset

38 problems · filtered by 3 tags

✓#Name✎Rating↕Solved↕
2234DXOR, Expression and Two Binary Numbers
bitmasksdivide and conquerdpmathnumber theory
15008.6k
2211FLearning Binary Search
combinatoricsdivide and conquerdpmath
24001k
2207CWhere's My Water?
data structuresdivide and conquerdpmath
16006.4k
2203FBinary Search with One Swap
binary searchdivide and conquerdphashingmathtwo pointers
2600457
2180ENo Effect XOR
bitmasksdivide and conquerdpgreedymath
23001.8k
2157GIsaac's Queries
bitmasksbrute forceconstructive algorithmsdfs and similardivide and conquerdpgreedyinteractivemathprobabilities
2800672
2145FLong Journey
dfs and similardivide and conquerdpgraphsgreedymathmatricesnumber theory
25001.1k
2145GCost of Coloring
combinatoricsdivide and conquerdpfftmath
2900642
2077EAnother Folding Strip
combinatoricsconstructive algorithmsdata structuresdivide and conquerdpgreedymath
2700627
2065HBro Thinks He's Him
combinatoricsdata structuresdivide and conquerdpmathmatrices
22002k
2053CBewitching Stargazer
bitmasksdivide and conquerdpmath
150012.6k
2048FKevin and Math Class
brute forcedata structuresdivide and conquerdpimplementationmathtrees
25001.3k
2003E1Turtle and Inversions (Easy Version)
brute forcedivide and conquerdpgreedymath
2600902
2003E2Turtle and Inversions (Hard Version)
brute forcedata structuresdivide and conquerdpgreedymathtwo pointers
2700654
1982ENumber of k-good subarrays
bitmasksbrute forcecombinatoricsdivide and conquerdpmathmeet-in-the-middle
23001.9k
1975FSet
bitmasksbrute forcecombinatoricsdfs and similardivide and conquerdpmath
26001.1k
1956DNene and the Mex Operator
bitmasksbrute forceconstructive algorithmsdivide and conquerdpgreedyimplementationmath
20004.9k
1896H1Cyclic Hamming (Easy Version)
brute forcedivide and conquerdpfftmathnumber theory
3400181
1879DSum of XOR Functions
bitmaskscombinatoricsdivide and conquerdpmath
170011.1k
1874DJellyfish and Miku
divide and conquerdpmathprobabilities
2800984
1848FVika and Wiki
binary searchbitmaskscombinatoricsdivide and conquerdpmath
24002.1k
1843F2Omsk Metro (hard version)
data structuresdfs and similardivide and conquerdpmathtrees
23002.2k
1794DCounting Factorizations
combinatoricsdivide and conquerdpmathnumber theory
19004.6k
1748EYet Another Array Counting Problem
binary searchdata structuresdivide and conquerdpflowsmathtrees
23002.8k
1734FZeros and Ones
bitmasksdivide and conquerdpmath
25001k
1654HThree Minimums
combinatoricsconstructive algorithmsdivide and conquerdpfftmath
3500108
1616HKeep XOR Low
bitmaskscombinatoricsdata structuresdivide and conquerdpmath
30001.4k
1553IStairs
combinatoricsdivide and conquerdpfftmath
3400369
1416CXOR Inverse
bitmasksdata structuresdivide and conquerdpgreedymathsortingsstringstrees
20005.2k
1379EInverse Genealogy
constructive algorithmsdivide and conquerdpmathtrees
2800538
1041FRay in the tube
data structuresdivide and conquerdpmath
25001.7k
914GSum the Fibonacci
bitmasksdivide and conquerdpfftmath
26001.3k
848EDays of Floral Colours
combinatoricsdivide and conquerdpfftmath
3400283
773FTest Data Generation
combinatoricsdivide and conquerdpfftmathnumber theory
3400281
755GPolandBall and Many Other Balls
combinatoricsdivide and conquerdpfftmathnumber theory
32001.1k
662CBinary Table
bitmasksbrute forcedivide and conquerdpfftmath
26002.6k
632EThief in a Shop
divide and conquerdpfftmath
24003.7k
68DHalf-decay tree
data structuresdivide and conquerdpmathprobabilities
2500540

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