ivy

gistfile1.txt

# Convert X hours Y minutes to Z minutes
op a mins b = (0 60 decode a b)

# data hours minutes hours minutes ... etc
x = 0 53 1 32 0 53 1 6 1 9 0 41 1 3 1 1 1 2 2 17 0 46 1 36

# reduce
+/mins/((rho x)/2) 2 rho x

# hours
0 60 encode _