Compilare: user.cpp: In function ‘int main()’: user.cpp:35:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] int x=r[v[i]].x+auxx[v1[i]],y=r[v[i]].y+auxy[v1[i]]; ^ user.cpp:35:63: warning: array subscript has type ‘char’ [-Wchar-subscripts] int x=r[v[i]].x+auxx[v1[i]],y=r[v[i]].y+auxy[v1[i]]; ^ user.cpp:64:36: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘__gnu_cxx::__alloc_traits<std::allocator<char> >::value_type* {aka char*}’ [-Wformat=] scanf("%d",&d[i][j]); ^ user.cpp:22:22: warning: unused variable ‘b’ [-Wunused-variable] int p,p1=0,n,a=0,b=0,c=0,d1=0,i1=0,j1=0,i2=0,j2=0,m,maxx=0,maxx1=0,minn=0,minn1=0; ^ user.cpp:22:45: warning: unused variable ‘i2’ [-Wunused-variable] int p,p1=0,n,a=0,b=0,c=0,d1=0,i1=0,j1=0,i2=0,j2=0,m,maxx=0,maxx1=0,minn=0,minn1=0; ^ user.cpp:22:50: warning: unused variable ‘j2’ [-Wunused-variable] int p,p1=0,n,a=0,b=0,c=0,d1=0,i1=0,j1=0,i2=0,j2=0,m,maxx=0,maxx1=0,minn=0,minn1=0; ^ user.cpp:20:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("casa.in","r",stdin); ^ user.cpp:21:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("casa.out","w",stdout); ^ user.cpp:23:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&p); ^ user.cpp:30:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:31:60: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(int i=1;i<=n-1;i++) scanf("%d %c",&v[i],&v1[i]); ^ user.cpp:58:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:64:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&d[i][j]); ^