soc.cpp: In function `int find_parent(clqtree_node*, clqtree_node*)': soc.cpp:228: warning: comparison between signed and unsigned integer expressions soc.cpp:242: warning: comparison between signed and unsigned integer expressions soc.cpp:226: warning: unused variable `int y' soc.cpp: In function `clqtree_node* build_clqtree(int, int*)': soc.cpp:255: warning: `clqtree_node*root' might be used uninitialized in this function soc.cpp: In function `void df_clqtree(clqtree_node*)': soc.cpp:299: warning: comparison between signed and unsigned integer expressions soc.cpp:306: warning: comparison between signed and unsigned integer expressions soc.cpp:316: warning: comparison between signed and unsigned integer expressions soc.cpp:328: warning: comparison between signed and unsigned integer expressions soc.cpp:335: warning: comparison between signed and unsigned integer expressions soc.cpp:346: warning: comparison between signed and unsigned integer expressions soc.cpp: In function `int find_max_value(clqtree_node*, int*)': soc.cpp:382: warning: comparison between signed and unsigned integer expressions soc.cpp:404: warning: comparison between signed and unsigned integer expressions soc.cpp:412: warning: comparison between signed and unsigned integer expressions soc.cpp:365: warning: `int oky' might be used uninitialized in this function