Compilare: main.cpp: In function 'int main()': main.cpp:71:31: warning: self-comparison always evaluates to true [-Wtautological-compare] if(ccm[i-1][j]==ccm[i-1][j] && ccm[i][j]!=ccm[i+1][j]){ ~~~~~~~~~~~^~~~~~~~~~~~~ main.cpp:81:37: warning: 'pozj' may be used uninitialized in this function [-Wmaybe-uninitialized] out<<pozi<<" "<<pozj<<'\n'<<ch; ^~ main.cpp:81:20: warning: 'pozi' may be used uninitialized in this function [-Wmaybe-uninitialized] out<<pozi<<" "<<pozj<<'\n'<<ch; ^~~