Compilare: user.cpp: In member function ‘char InParser::read_ch()’: user.cpp:39:30: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, 16384, fin); ^ user.cpp: In function ‘void lee(point)’: user.cpp:104:26: warning: ‘my’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (mat[x][y]>mat[mx][my] && distmax[mx][my] < distmax[x][y] + 1) ^ user.cpp:76:32: warning: ‘mx’ may be used uninitialized in this function [-Wmaybe-uninitialized] unsigned short x, y,min1=6000,mx,my; ^