Compilare: user.cpp: In function ‘int main()’: user.cpp:39:13: warning: unused variable ‘dx’ [-Wunused-variable] int dx[]={-1,-1,-1,0,0,1,1,1}; ^ user.cpp:40:13: warning: unused variable ‘dy’ [-Wunused-variable] int dy[]={-1,0,1,-1,1,-1,0,1}; ^ user.cpp:41:13: warning: unused variable ‘ok’ [-Wunused-variable] int ok; ^ user.cpp:78:36: warning: ‘qb’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<c+1<<" "<<qa<<" "<<qb; ^ user.cpp:78:25: warning: ‘qa’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<c+1<<" "<<qa<<" "<<qb; ^ user.cpp:37:27: warning: ‘db’ may be used uninitialized in this function [-Wmaybe-uninitialized] w[da][db]=99999999; ^ user.cpp:37:27: warning: ‘da’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:36:20: warning: ‘pb’ may be used uninitialized in this function [-Wmaybe-uninitialized] w[pa][pb]=0; ^ user.cpp:36:20: warning: ‘pa’ may be used uninitialized in this function [-Wmaybe-uninitialized]