Compilare: user.cpp: In function ‘int main()’: user.cpp:89:7: warning: unused variable ‘MinVal’ [-Wunused-variable] int MinVal = infi; ^ user.cpp:90:7: warning: unused variable ‘MaxVal’ [-Wunused-variable] int MaxVal = 0; ^ user.cpp:86:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ausoara.out", "w", stdout); ^ user.cpp: In constructor ‘pfstream::pfstream(const char*)’: user.cpp:34:34: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buf, maxSize, 1, f); ^ user.cpp: In member function ‘void pfstream::move()’: user.cpp:22:38: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buf, maxSize, 1, f); ^ user.cpp: In function ‘int main()’: user.cpp:91:7: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] int x; ^