Compilare: user.cpp: In function ‘int main()’: user.cpp:11:25: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[15]’ [-Wformat=] fscanf(fin, "%s", &s); ^ user.cpp:13:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] f[ s[i] ] = i; ^ user.cpp:17:29: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[15]’ [-Wformat=] fscanf(fin, "%s", &s); ^ user.cpp:19:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[i] = v[i] * 12 + f[ s[j] ]; ^ user.cpp:10:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &p, &n); ^ user.cpp:11:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%s", &s); ^ user.cpp:17:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%s", &s); ^