Compilare: user.cpp: In function ‘void Read(var&)’: user.cpp:111:65: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] #define adv() if(++poz == DIM) fread(buff, 1, DIM, stdin), poz=0; ^ user.cpp:117:9: note: in expansion of macro ‘adv’ adv(); ^ user.cpp:111:65: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] #define adv() if(++poz == DIM) fread(buff, 1, DIM, stdin), poz=0; ^ user.cpp:123:9: note: in expansion of macro ‘adv’ adv(); ^ user.cpp:111:65: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] #define adv() if(++poz == DIM) fread(buff, 1, DIM, stdin), poz=0; ^ user.cpp:128:9: note: in expansion of macro ‘adv’ adv(); ^ user.cpp: In function ‘int main()’: user.cpp:158:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("nuke.in", "r", stdin); ^ user.cpp:159:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("nuke.out", "w", stdout); ^