Compilare: user.cpp:10:1: warning: ‘typedef’ was ignored in this declaration [enabled by default] }; ^ user.cpp: In function ‘int main()’: user.cpp:122:39: warning: narrowing conversion of ‘((double)y / (double)x)’ from ‘double’ to ‘float’ inside { } [-Wnarrowing] events1.push_back({(1.0*y)/x,i,0}); ^ user.cpp:124:39: warning: narrowing conversion of ‘((double)z / (double)x)’ from ‘double’ to ‘float’ inside { } [-Wnarrowing] events1.push_back({(1.0*z)/x,i,1}); ^ user.cpp:132:40: warning: narrowing conversion of ‘((-(double)y) / (double)x)’ from ‘double’ to ‘float’ inside { } [-Wnarrowing] events2.push_back({(-1.0*y)/x,i,0}); ^ user.cpp:134:40: warning: narrowing conversion of ‘((-(double)z) / (double)x)’ from ‘double’ to ‘float’ inside { } [-Wnarrowing] events2.push_back({(-1.0*z)/x,i,1}); ^ user.cpp:102:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rays.in","r",stdin); ^ user.cpp:103:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rays.out","w",stdout); ^ user.cpp:106:28: 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,dim,stdin); ^ user.cpp: In function ‘void read(int&)’: user.cpp:44:36: 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,dim,stdin); ^ user.cpp:55:36: 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,dim,stdin); ^