Calculation system

#	Problem	Complexity
7	Roman numerals	338 / 503
83	Gnome’s toys	155 / 179
1001	A + B in the binary system	193 / 271
1016	Octal Fractions	9 / 12
1220	Geek Challenge [SKRZAT] (Base Minus Two)	13 / 16
1375	Base -2	67 / 74
1376	The Bases Are Loaded	26 / 43
1377	What Base Is This?	9 / 14
1378	Fibonaccimal Base	56 / 60
1379	The Base-1 Number System	46 / 50

Time