Compilare: user.cpp: In function ‘void add(char*, char*)’: user.cpp:17:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (T) A[++A[0]]=T; ^ user.cpp: In function ‘int main()’: user.cpp:42:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp[z][i][dp[z][i][0]]=aux%10; ^ user.cpp:28:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("expozitie.in","r",stdin); ^ user.cpp:29:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("expozitie.out","w",stdout); ^ user.cpp:30:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d",&n,&d,&k); ^