Compilare: user.cpp: In function ‘void Read()’: user.cpp:156:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &t); ^ user.cpp:160:62: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%f %f %f %f %f", &dx, &dy, &k, &cx, &cy); ^ user.cpp: In function ‘int GetVal()’: user.cpp:151:12: warning: ‘result’ may be used uninitialized in this function [-Wmaybe-uninitialized] return result; ^