Compilare: user.cpp: In function ‘int main()’: user.cpp:35:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] nr=1LLU*maimari[v[i]]; ^ user.cpp:37:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] nr*=1LLU*total[v[j]]; ^ user.cpp:14:24: warning: unused variable ‘p10’ [-Wunused-variable] unsigned long long p10, n, ans, nr; ^ user.cpp:17:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%llu", &p, &n); ^