Compilare: user.cpp: In function ‘int main()’: user.cpp:37:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] memcpy(dp[s[i]],aux,sizeof(aux)); ^ user.cpp:17:29: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(iname,"r",stdin); ^ user.cpp:18:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(oname,"w",stdout); ^ user.cpp:19:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d\n",&k,&a,&b); ^ user.cpp:20:29: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(s,sizeof(s),stdin); ^