here are some solutions to the problem B of yesterday educational round

approach 1 : find the nearest power of 2

simple implementation : 101610177

using builtin function : 101611194 101612253

using log function : 101611253

approach 2: alternate 1 at even and odd position ( rest elements = a[i]) and compute the sum 2* | a[i] -b[i]| for two different array and print the one with less sum

simple implementation : 101610719