I actually had one of the 30 matlab solutions you mentioned. Did you have much luck in round1A? Sadly, I did not.
First non-zero element in each column
Reverse the elements of an array
Determine the number of odd integers in a vector
PACMAT - G03 Ghosts use minimum path to PACMAT; 3 Lives
Path Optimization thru N words : Time Optimization
USC Fall 2012 ACM: Martian Pranks
Primes Faster for Large N
GJam 2014 China Rd A: Library Sorting (Large)
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