Problems
Intersection of two lines#5134
Easy · Geometry
Graph Connectivity#5135
Very easy · Graphs
Distance between rays#5136
Very hard · Geometry
Monobilliards#5137
Very easy · Stacks
Increasing subsequence#5138
Hard · Dynamic programming
Average train speed#5139
Very easy · Math
Swamp#5140
Easy · Geometry · Graphs
LCM Sum#5141
Medium · Number theory
Number by permutation of letters#5142
Medium · Strings · Combinatorics
Cows - in the stalls#5149
Very easy · Binary Search
Previous PDP#5150
Easy · Implementation
Two triangles#5151
Very easy · Geometry
Chess Battles#5152
Easy · Implementation
VSHEOM-43#5153
Easy · Brute force
The distance from a line segment to a circle#5154
Hard · Geometry
Rectangle Covered with Squares#5155
Easy · Math
Segments#5156
Very easy · Sorting
Hippogriffs#5158
Very easy · Math
Kingdom of Magic#5159
Hard · Shortest paths · Graphs · Dijkstra algorithm · Priority Queue
Showcase#5160
Very hard · Greedy algorithms · Implementation
Lasers#5161
Hard · Geometry · Shortest paths · Graphs
Ophelia's Tablecloth#5162
Very hard · Geometry
Mars rover#5163
Easy · Implementation · Geometry
Pete's dad#5174
Easy · Graphs
The last digit#5175
Very easy · Math