Solve a Numbrix puzzle: Difference between revisions

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Programming note: the coördinates for the cells used are the same as an X×Y grid, that is,
the bottom left-most cell is (1,1) and the tenth cell on row 2 is (2,10).
 
''Hidato''   and   ''Numbrix''   are registered trademarks.
<lang rexx>/*REXX program solves a Numbrix (R) puzzle, it also displays the puzzle and solution. */
maxR=0; maxC=0; maxX=0; minR=9e9; minC=9e9; minX=9e9; cells=0; @.=