Compilare: user.cpp: In function ‘int main()’: user.cpp:15:21: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[100009]’ [-Wformat=] fscanf(f,"%s",&c); ^ user.cpp:19:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(fr[c[i]]==0) ^ user.cpp:21:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] fr[c[i]]++; ^ user.cpp:22:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(fr[c[i]]>ma) ^ user.cpp:23:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] ma=fr[c[i]]; ^ user.cpp:24:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(fr[c[i]]<mi) ^ user.cpp:25:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] mi=fr[c[i]]; ^ user.cpp:12:14: warning: unused variable ‘j’ [-Wunused-variable] int lg,i,j,ma=-1,mi=999999999,ok=0; ^ user.cpp:15:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%s",&c); ^