Compilare: user.cpp: In function ‘int cmmdc(int, int)’: user.cpp:26:9: warning: unused variable ‘v1’ [-Wunused-variable] int v1=a%b,v2=b%a; ^ user.cpp:26:16: warning: unused variable ‘v2’ [-Wunused-variable] int v1=a%b,v2=b%a; ^ user.cpp: In function ‘void citeste(int&)’: user.cpp:12:57: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if (++poz == DIM) fread(buff,1,DIM,stdin),poz=0; ^ user.cpp:17:58: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if (++poz == DIM) fread(buff,1,DIM,stdin),poz=0; ^ user.cpp: In function ‘int main()’: user.cpp:123:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("xcmmdc.in","r",stdin); ^ user.cpp:124:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("xcmmdc.out","w",stdout); ^