Compilare: user.cpp:9:1: warning: ‘typedef’ was ignored in this declaration [enabled by default] }; ^ user.cpp:19:1: warning: ‘typedef’ was ignored in this declaration [enabled by default] }; ^ user.cpp: In function ‘int main()’: user.cpp:100:28: warning: spurious trailing ‘%’ in format [-Wformat=] scanf("%d%d%",&x,&y); ^ user.cpp:111:28: warning: integer overflow in expression [-Woverflow] if(sol[i]==(1<<31)-1) sol[i]=-1; ^ user.cpp:87:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("luff.in","r",stdin); ^ user.cpp:88:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("luff.out","w",stdout); ^ user.cpp:90:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&n,&m,&q); ^ user.cpp:94:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&x,&y,&z); ^ user.cpp:100:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%",&x,&y); ^