Compilare: user.cpp: In function ‘int main()’: user.cpp:19:24: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[20]’ [-Wformat=] while(scanf("%s",&s)!=EOF) ^ user.cpp:29:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] vc[s[lg]]++; ^ user.cpp:34:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(vc[s[0]]==0) ^ user.cpp:36:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(vc[s[lg]]==0) ^ user.cpp:38:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] vc[s[lg]]++; ^ user.cpp:44:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] vc[s[lg]]=max(vc[s[0]]+1,vc[s[lg]]); ^ user.cpp:44:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] vc[s[lg]]=max(vc[s[0]]+1,vc[s[lg]]); ^ user.cpp:44:54: warning: array subscript has type ‘char’ [-Wchar-subscripts] vc[s[lg]]=max(vc[s[0]]+1,vc[s[lg]]); ^ user.cpp:45:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[n]=vc[s[lg]]; ^ user.cpp:46:38: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(maxim<vc[s[lg]]) ^ user.cpp:47:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] maxim=vc[s[lg]]; ^ user.cpp:14:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("text3.in","r",stdin); ^ user.cpp:15:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("text3.out","w",stdout); ^