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Hot problems

Problem	Category	Points	AC %	Users
Guess Season	practice	2p	26.3%	67
Select Word	fortest	40p	43.9%	57
separate string	fortest	50p	68.5%	87
separate string reverse	fortest	50	27.0%	71
Simple Addition Calculator	practice	10p	52.6%	18
Arithmetic Sequence	practice	10	50.8%	100
Simple Number Comparison	practice	50p	31.0%	52
hundred sort	fortest	50p	24.9%	76
sort array	fortest	10p	71.1%	95
spin matrix	fortest	50p	55.7%	107
square * hollow	challenge	10p	72.8%	129
calculate square area	practice	40p	77.8%	60
Output Squared Number	practice	50p	50.5%	125
square * solid	practice	50p	71.3%	144
car stop station	challenge	8p	22.0%	70
String Comparison	practice	50p	37.7%	43
Use Student Class	OOP	50p	44.4%	43
Student Grade Management	OOP	40p	57.4%	26
Student Grade Management II	OOP	10p	17.1%	13
substring	challenge	40p	51.5%	60
Sum All	OOP	40p	76.1%	78
Sum and Average with Sentinel Value	Uncategorized	45p	25.8%	26
when is sum = 0?	practice	50p	61.7%	164
sum of 235	fortest	10p	54.9%	132
Sum of Digits	practice	10p	46.2%	29
sum of triangle	final	10p	67.4%	118
Sum of Rows and Columns	practice	45p	29.5%	28
Sum with Stop Signal	practice	50p	36.7%	51
array swap	fortest	50p	72.6%	141
Swap Elements in an Array	Uncategorized	10p	71.4%	26
swap 2 numbers without third variable	practice	35p	76.0%	67
Symmetric Brackets	fortest	40p	30.0%	48
Calculate taxes	challenge	20p	24.1%	95
Temperature Conversion	practice	2p	34.1%	99
Temperature Status	practice	50p	23.4%	36
3rd? 2nd? 1st?	midterm 1110	10p	27.0%	61
thousand to ten thousand sort	bonus	10p	53.1%	91
Number Comparison-2	practice	50p	48.3%	54
3 or 5	fortest	50p	64.9%	111
tic tac toe	fortest	10	46.3%	53
Count Total Price	HashMap	60p	50.8%	50
transposed matrix	practice	10p	66.7%	57
Transpose Matrix	fortest	35p	63.3%	86
calculate triangle area	practice	30p	65.6%	52
is it a triangle?	OOP	40	35.5%	38
triangle vs square	practice	50p	43.3%	126
Try Error	OOP	50	41.4%	37
Try q	bonus	1	0.0%	0
turn to 0	practice	40p	43.0%	49
Two Way Greet User	practice	10p	73.9%	70