Compilare: user.cpp: In function ‘int main()’: user.cpp:121:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("evaluare.in","r",stdin); ^ user.cpp:122:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("evaluare.out","w",stdout); ^ user.cpp:126:12: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(p); ^ user.cpp: In function ‘int termen()’: user.cpp:82:20: warning: ‘fact’ may be used uninitialized in this function [-Wmaybe-uninitialized] fact/=f; ^ /tmp/cciTwnGr.o: In function `main': user.cpp:(.text.startup+0x65): warning: the `gets' function is dangerous and should not be used.