Optimization
Problems on optimization, including minimizing or maximizing a function over real numbers, choosing the best location or route, fitting parameters, numerical search and pruning a slow search until it fits the limits.
The binary search and complexity articles in the Basics section cover the usual tools. Related problem sets are under Ternary search and Binary search.
Problems
Street Racing#166
Medium
Wallpapering#665
Medium
Psychic Accelerator#3545
Very hard
Skyland#3567
Hard
Sky Jump#3600
Very hard
Relaxation by the River Junior#4570
Very hard
Matrix (Easy)#5313
Very hard
Trigonometric optimization#6860
Very hard
Tunb Airline#6905
Very hard
Mass Production#6973
Very hard
Jam#8509
Very hard
Thief#8513
Easy