Compilare: user.cpp: In function ‘int main()’: user.cpp:51:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d\n",&n,&m); ^ user.cpp:76:31: warning: ‘comy’ may be used uninitialized in this function [-Wmaybe-uninitialized] bfs(comx,comy,2,cmp2,dcom); ^ user.cpp:76:31: warning: ‘comx’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:74:31: warning: ‘uscy’ may be used uninitialized in this function [-Wmaybe-uninitialized] bfs(uscx,uscy,1,cmp1,dusc); ^ user.cpp:74:31: warning: ‘uscx’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:75:31: warning: ‘apay’ may be used uninitialized in this function [-Wmaybe-uninitialized] bfs(apax,apay,0,cmp1,dapa); ^ user.cpp:75:31: warning: ‘apax’ may be used uninitialized in this function [-Wmaybe-uninitialized]