Compilare: user.cpp: In function ‘int main()’: user.cpp:10:28: warning: unused variable ‘pi’ [-Wunused-variable] int n,k,i,nr=0,lm=0,pp,pi,i1,i2,p,j,x; ^ user.cpp:10:31: warning: unused variable ‘i1’ [-Wunused-variable] int n,k,i,nr=0,lm=0,pp,pi,i1,i2,p,j,x; ^ user.cpp:10:34: warning: unused variable ‘i2’ [-Wunused-variable] int n,k,i,nr=0,lm=0,pp,pi,i1,i2,p,j,x; ^ user.cpp:8:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("teatru.in","r",stdin); ^ user.cpp:9:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("teatru.out","w",stdout); ^