Compilare: user.cpp: In function ‘void func(char (*)[1002], int, int, int)’: user.cpp:12:24: warning: left operand of comma operator has no effect [-Wunused-value] for(g=o+1,gg=j+1;gg<=l,g<=l;++g,++gg)if(v[g][gg]=='g'||v[g][gg]=='d')break;else v[g][gg]='x'; ^ user.cpp:13:24: warning: left operand of comma operator has no effect [-Wunused-value] for(g=o-1,gg=j-1;gg>=1,g>=1;--g,--gg)if(v[g][gg]=='g'||v[g][gg]=='d')break;else v[g][gg]='x'; ^ user.cpp:14:24: warning: left operand of comma operator has no effect [-Wunused-value] for(g=o+1,gg=j-1;gg>=1,g<=l;++g,--gg)if(v[g][gg]=='g'||v[g][gg]=='d')break;else v[g][gg]='x'; ^ user.cpp:15:24: warning: left operand of comma operator has no effect [-Wunused-value] for(g=o-1,gg=j+1;gg<=l,g>=1;--g,++gg)if(v[g][gg]=='g'||v[g][gg]=='d')break;else v[g][gg]='x'; ^