Compilare: user.cpp: In function ‘int main()’: user.cpp:14:46: warning: unused variable ‘k’ [-Wunused-variable] int l,m,put2,put3,put5,put02,put03,put05,k,c,put0,nr=0; ^ user.cpp:14:50: warning: unused variable ‘put0’ [-Wunused-variable] int l,m,put2,put3,put5,put02,put03,put05,k,c,put0,nr=0; ^ user.cpp:12:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pascal.in","r",stdin); ^ user.cpp:13:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pascal.out","w",stdout); ^ user.cpp:15:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&l,&m); ^