Compilare: user.cpp: In function ‘int main()’: user.cpp:207: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:209: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:212: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:219: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:222: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void euler(int, int, int)’: user.cpp:66: warning: dereferencing pointer ‘<anonymous>’ does break strict-aliasing rules user.cpp:66: warning: dereferencing pointer ‘<anonymous>’ does break strict-aliasing rules /usr/include/c++/4.4/bits/stl_tree.h:179: note: initialized from here