Compilare: user.cpp: In function ‘int main()’: user.cpp:35:9: warning: unused variable ‘c’ [-Wunused-variable] int c=0,s=0,i,j; ^ user.cpp:35:13: warning: unused variable ‘s’ [-Wunused-variable] int c=0,s=0,i,j; ^ user.cpp:35:19: warning: unused variable ‘j’ [-Wunused-variable] int c=0,s=0,i,j; ^ user.cpp:33:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pitici3.in","r",stdin); ^ user.cpp:34:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pitici3.out","w",stdout); ^ user.cpp:36:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:38:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&v[i].h,&v[i].l); ^ user.cpp:41:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&d); ^