csp-s simulation tests 56
A. Merchant
For a determined set can only be the first and increased, monotonically increasing,> 0 monotonically decreasing portion
Save appears optimal 0, the check
No direct two domain value for x, the selected maximum m value verification functions.
nth_element can be done O (n)
B. Equation
Formula can be turned into itself and related x1
Edge contributions in its sub-tree, BIT maintenance
pigeon.