Solved by maspy

#	Title	# Solved	Avg. Tries
31066	Rainy Day	353	2.35
31067	Dao's Racing Competition	539	1.48
31068	Balanced Grades	91	6.25
31069	Graph and permutation	8	12.50
31070	Delivering Noodles	55	1.64
31072	Ninja Party	5	3.20
31073	Catalan Game	74	3.36
31395	Number of Sorted Contiguous Subsequences	556	2.05
31396	Overload Prevention	95	2.02
31397	Bon Split (Hard)	54	5.93
31398	Gas Station	50	2.30
31402	Tree Explorer (Hard)	28	2.71

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