Compilare: user.cpp: In function ‘int main()’: user.cpp:19:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] ++f[s[i]], ++ap[s[i]]; ^ user.cpp:19:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] ++f[s[i]], ++ap[s[i]]; ^ user.cpp:39:36: warning: array subscript has type ‘char’ [-Wchar-subscripts] --ap[s[poz]]; ^ user.cpp:48:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] --ap[s[poz]]; ^ user.cpp:10:9: warning: unused variable ‘n’ [-Wunused-variable] int n, m, ok, vaild, t; ^ user.cpp:8:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("laundering.in", "r", stdin); ^ user.cpp:9:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("laundering.out", "w", stdout); ^ user.cpp:11:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (scanf("%d\n", &t); t > 0; --t) ^ user.cpp:13:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", s + 1); ^