Compilare: user.cpp: In function ‘int code()’: user.cpp:21:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] ans += p12 * alphabet[aux[i]]; ^ user.cpp: In function ‘int main()’: user.cpp:51:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] alphabet[ch] = i; ^ user.cpp:56:25: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[13]’ [-Wformat=] scanf("%s", &aux); ^ user.cpp:43:38: 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:44:40: 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); ^ user.cpp:48:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d\n", &p, &n); ^ user.cpp:50:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c", &ch); ^ user.cpp:54:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("\n"); ^ user.cpp:56:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", &aux); ^