Compilare: main.cpp: In function 'int main()': main.cpp:67:47: warning: 'color' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<ansx<<" "<<ansy<<"\n"<<(char)(color+'a'-1); ~~~~~~~~~~^~~ main.cpp:67:49: warning: 'ansy' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<ansx<<" "<<ansy<<"\n"<<(char)(color+'a'-1); ^ main.cpp:67:14: warning: 'ansx' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<ansx<<" "<<ansy<<"\n"<<(char)(color+'a'-1); ^~~