Compilare: user.cpp: In function ‘int main()’: user.cpp:41:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] st[i]=i-put[p[v[i]]]; ^ user.cpp:44:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] dr[i]=i+put[p[v[i]]]; ^ user.cpp:9:19: warning: unused variable ‘s’ [-Wunused-variable] int n,i,j=1,m,s,q,pmax=0,nr=0; ^ user.cpp:9:21: warning: unused variable ‘q’ [-Wunused-variable] int n,i,j=1,m,s,q,pmax=0,nr=0; ^ user.cpp:10:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("char.in","r",stdin); ^ user.cpp:11:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("char.out","w",stdout); ^ user.cpp:12:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n",&n); ^ user.cpp:14:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&v[i]); ^ user.cpp:17:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&m); ^ user.cpp:19:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&put[i]); ^