Compilare: user.cpp: In function ‘int stangasus(int, int, date)’: user.cpp:36:27: warning: left operand of comma operator has no effect [-Wunused-value] for(int i=l-1,j=c-1; i>1,j>1; i--,j--) ^ user.cpp: In function ‘int stangajos(int, int, date)’: user.cpp:46:27: warning: left operand of comma operator has no effect [-Wunused-value] for(int i=l+1,j=c-1; i<z.n,j>1; i++,j--) ^ user.cpp: In function ‘int dreaptasus(int, int, date)’: user.cpp:56:27: warning: left operand of comma operator has no effect [-Wunused-value] for(int i=l-1,j=c+1; i>1,j<z.m; i--,j++) ^ user.cpp: In function ‘int dreaptajos(int, int, date)’: user.cpp:66:27: warning: left operand of comma operator has no effect [-Wunused-value] for(int i=l+1,j=c+1; i<z.n,j<z.m; i++,j++) ^