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CU Amiga Super CD-ROM 19
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CU Amiga Magazine's Super CD-ROM 19 (1998)(EMAP Images)(GB)[!][issue 1998-02].iso
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CUCD
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Programming
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LEDA
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prog
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graph
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gengrid.c
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C/C++ Source or Header
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1994-08-05
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595b
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41 lines
#include <LEDA/ugraph.h>
#include <LEDA/stream.h>
main(){
GRAPH<int,int> G;
int N = read_int("N = ");
grid_graph(G,N);
edge e;
forall_edges(e,G) G[e] = random(0,100);
node v;
forall_nodes(v,G) G[v] = index(v);
G.write(string("grid%d.graph",N));
// write Lauther's format:
file_ostream lauther(string("grid%d",N));
lauther << index(G.first_node());
lauther << " ";
lauther << index(G.last_node());
lauther << endl;
forall_nodes(v,G)
{ forall_adj_edges(e,v)
{ lauther << index(v) << " ";
lauther << index(target(e)) << " ";
lauther << G[e];
lauther << endl;
}
}
}