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#!python
#
# Perl Weekly Challenge 270
# Task 1
#
# See <https://perlweeklychallenge.org/blog/perl-weekly-challenge-270>
#
import sys
# task implementation
# the return value will be printed
def task_1( args ):
row_size = int( args[ 0 ] )
matrix = []
# build the matrix
current_row = 0
matrix.append( [] )
for x in args[ 1: ]:
if len( matrix[ current_row ] ) >= row_size:
current_row += 1
matrix.append( [] )
matrix[ current_row ].append( int( x ) )
ones = []
for r in range( 0, len( matrix ) ):
for c in range( 0, len( matrix[ r ] ) ):
if matrix[ r ][ c ] == 1:
ones.append( [ r, c ] )
for current in ones:
found = list( filter( lambda x: x[ 0 ] == current[ 0 ] or x[ 1 ] == current[ 1 ], ones ) )
if len( found ) == 1:
print( current )
return ""
# invoke the main without the command itself
if __name__ == '__main__':
print( task_1( sys.argv[ 1: ] ) )
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