Compilare: user.cpp: In function ‘void cit(unsigned int&)’: user.cpp:17: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result user.cpp:26: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘long long int f(int)’: user.cpp:40: warning: comparison between signed and unsigned integer expressions user.cpp:46: warning: comparison between signed and unsigned integer expressions user.cpp:69: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:104: warning: comparison between signed and unsigned integer expressions user.cpp:101: warning: unused variable ‘dif’ user.cpp:101: warning: unused variable ‘inceput’ user.cpp:102: warning: unused variable ‘aux3’ user.cpp:103: warning: unused variable ‘j’ user.cpp:97: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result