Spiral matrix: Difference between revisions

m
m (→‎{{header|RPL}}: simplified code)
 
Line 4,923:
« { 0 1 } → n step
« { 1 1 } n DUP 2 →LIST -1 CON <span style="color:grey">@ empty cell = -1</span>
01 n SQ 1 - '''FOR''' j
OVER j PUT
DUP2 SWAP step ADD
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