Problems
Races#816
Hard · Graphs · Shortest paths
Broken Calculator#817
Easy · Implementation
Currency Manipulations#818
Very easy · Dynamic programming
Two-round Olympiad#819
Medium · Greedy algorithms · Math
Formula 1#820
Very hard · Graphs
Grasshopper#821
Medium · Implementation
Unpacking a line#822
Very easy · Implementation
Warehouse#823
Medium · Dynamic programming
Gasoline#824
Easy · Graphs · Disjoint set union
Game#825
Very hard · Graphs
Furrows#826
Hard · Graphs
Simple Factorials#827
Easy · Brute force · Number theory
Shooting Range#828
Very hard · Brute force · Combinatorics · Math
TV tower#829
Very easy
Prime numbers#830
Very easy · Brute force
Expression#831
Easy · Implementation · Brute force
Increasing subsequence#832
Easy · Dynamic programming
The triangle and the point#833
Very easy · Geometry
Power#834
Very easy · Binary Search
Poker#835
Very easy · Implementation
Prime numbers 2#836
Easy · Implementation
Permutations#837
Very easy · Strings · Brute force
Route#838
Very easy · Dynamic programming
Segments intersection#839
Easy · Geometry
Long sum#840
Very easy · Implementation
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