diff options
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 27 |
1 files changed, 27 insertions, 0 deletions
@@ -17,6 +17,7 @@ - g : the graph where the clique is looked for - k : the clique we are currently examining - c : the graph nodes we can potentially add to the clique + - a : the nodes we can actually add to the clique - mc : a pointer to the set containing the maximum clique found until now Returns nothing (result is in *mc). */ @@ -44,6 +45,32 @@ void max_clique_a(const graph g, set k, set c, set *mc) { } +void max_clique_b(const graph g, set k, set c, set a, set *mc) { + if (is_set_empty(c)) { + if (set_size(k) > set_size(*mc)) { + delete_set(*mc); + *mc = copy_set(k); + printf("Found new max clique: "); dump_set(*mc); fflush(stdout); + } + } else { + set at = copy_set a; + while (!(is_set_empty(a2))) { + int x = elt_of_set(at); + set_remove_ip(x, at); + + set k2 = set_add(x, k); + set c2 = set_inter(c, graph_neighbours(g, x)); + set a2 = set_inter(at, graph_neighbours(g, x)); + + max_clique_a(g,k2, c2, a2, mc); + delete_set(k2); + delete_set(c2); + delete_set(a2); + } + delete_set(at); + } +} + // Driver void usage(char *pname) { |