Compilare: user.cpp: In function ‘void read(int&)’: user.cpp:24:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] h += pr * poz[buff[pz]]; ^ user.cpp: In function ‘int main()’: user.cpp:37:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] for (int i = 0; i < 12; i++) poz[S[i]] = i; ^ user.cpp: In function ‘void read(int&)’: user.cpp:22:59: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if(++pz == dim) fread(buff, 1, dim, stdin), pz = 0; ^ user.cpp:26:59: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if(++pz == dim) fread(buff, 1, dim, stdin), pz = 0; ^ user.cpp: In function ‘int main()’: user.cpp:31:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zimeria.in", "r", stdin); ^ user.cpp:32:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zimeria.out", "w", stdout); ^