Compilare: user.cpp: In function ‘bool subsir(char*, char*)’: user.cpp:15:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i!=strlen(x) && j!=strlen(y)) ^ user.cpp:15:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i!=strlen(x) && j!=strlen(y)) ^ user.cpp:24:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i==strlen(x)) ^ user.cpp: In function ‘int main()’: user.cpp:36:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] f>>s[i]; ^ user.cpp:42:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(strlen(s[i])>strlen(maxi) || strcmp(s[i], maxi)<0) ^ user.cpp:42:55: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(strlen(s[i])>strlen(maxi) || strcmp(s[i], maxi)<0) ^ user.cpp:43:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] strcpy(maxi, s[i]); ^ user.cpp:51:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(subsir(s[i], s[j])==true) ^ user.cpp:51:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(subsir(s[i], s[j])==true) ^ user.cpp:52:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] neint[i]=true; ^ user.cpp:55:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(neint[i]==false) ^ user.cpp:61:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(neint[i]==false) ^ user.cpp:63:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] g<<s[i]<<endl; ^