Compilare: user.cpp: In function ‘int ismin(int, int, int)’: user.cpp:75:37: warning: unused variable ‘mx’ [-Wunused-variable] unsigned short x, y, min1 = 65001, mx, my; ^ user.cpp:75:41: warning: unused variable ‘my’ [-Wunused-variable] unsigned short x, y, min1 = 65001, mx, my; ^ user.cpp: In member function ‘char InParser::read_ch()’: user.cpp:38:30: 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:126:26: 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:98:34: warning: ‘mx’ may be used uninitialized in this function [-Wmaybe-uninitialized] unsigned short x, y,min1= 65001,mx,my; ^