Compilare: user.cpp: In function ‘int main()’: user.cpp:11:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<strlen(a);i++) ^ user.cpp:13:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[i]==' ' or a[i]==',' or a[i]=='.' or a[i]==',' or a[i]==';' or a[i]==':' or a[i]=='!' or a[i]=='?' or a[i]=='(' or a[i]==')' or a[i]=='-') ^ user.cpp:13:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[i]==' ' or a[i]==',' or a[i]=='.' or a[i]==',' or a[i]==';' or a[i]==':' or a[i]=='!' or a[i]=='?' or a[i]=='(' or a[i]==')' or a[i]=='-') ^ user.cpp:13:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[i]==' ' or a[i]==',' or a[i]=='.' or a[i]==',' or a[i]==';' or a[i]==':' or a[i]=='!' or a[i]=='?' or a[i]=='(' or a[i]==')' or a[i]=='-') ^ user.cpp:13:54: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[i]==' ' or a[i]==',' or a[i]=='.' or a[i]==',' or a[i]==';' or a[i]==':' or a[i]=='!' or a[i]=='?' or a[i]=='(' or a[i]==')' or a[i]=='-') ^ user.cpp:13:67: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[i]==' ' or a[i]==',' or a[i]=='.' or a[i]==',' or a[i]==';' or a[i]==':' or a[i]=='!' or a[i]=='?' or a[i]=='(' or a[i]==')' or a[i]=='-') ^ user.cpp:13:80: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[i]==' ' or a[i]==',' or a[i]=='.' or a[i]==',' or a[i]==';' or a[i]==':' or a[i]=='!' or a[i]=='?' or a[i]=='(' or a[i]==')' or a[i]=='-') ^ user.cpp:13:93: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[i]==' ' or a[i]==',' or a[i]=='.' or a[i]==',' or a[i]==';' or a[i]==':' or a[i]=='!' or a[i]=='?' or a[i]=='(' or a[i]==')' or a[i]=='-') ^ user.cpp:13:106: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[i]==' ' or a[i]==',' or a[i]=='.' or a[i]==',' or a[i]==';' or a[i]==':' or a[i]=='!' or a[i]=='?' or a[i]=='(' or a[i]==')' or a[i]=='-') ^ user.cpp:13:119: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[i]==' ' or a[i]==',' or a[i]=='.' or a[i]==',' or a[i]==';' or a[i]==':' or a[i]=='!' or a[i]=='?' or a[i]=='(' or a[i]==')' or a[i]=='-') ^ user.cpp:13:132: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[i]==' ' or a[i]==',' or a[i]=='.' or a[i]==',' or a[i]==';' or a[i]==':' or a[i]=='!' or a[i]=='?' or a[i]=='(' or a[i]==')' or a[i]=='-') ^ user.cpp:13:145: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[i]==' ' or a[i]==',' or a[i]=='.' or a[i]==',' or a[i]==';' or a[i]==':' or a[i]=='!' or a[i]=='?' or a[i]=='(' or a[i]==')' or a[i]=='-') ^ user.cpp:15:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((a[i]!=' ' and a[i]!=',' and a[i]!='.' and a[i]!=',' and a[i]!=';' and a[i]!=':' and a[i]!='!' and a[i]!='?' and a[i]!='(' and a[i]!=')' and a[i]!='-') && (a[i+1]==' ' or a[i+1]==',' or a[i+1]=='.' or a[i+1]==',' or a[i+1]==';' or a[i+1]==':' or a[i+1]=='!' or a[i+1]=='?' or a[i+1]=='(' or a[i+1]==')' or a[i+1]=='-') ) ^ user.cpp:15:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((a[i]!=' ' and a[i]!=',' and a[i]!='.' and a[i]!=',' and a[i]!=';' and a[i]!=':' and a[i]!='!' and a[i]!='?' and a[i]!='(' and a[i]!=')' and a[i]!='-') && (a[i+1]==' ' or a[i+1]==',' or a[i+1]=='.' or a[i+1]==',' or a[i+1]==';' or a[i+1]==':' or a[i+1]=='!' or a[i+1]=='?' or a[i+1]=='(' or a[i+1]==')' or a[i+1]=='-') ) ^ user.cpp:15:44: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((a[i]!=' ' and a[i]!=',' and a[i]!='.' and a[i]!=',' and a[i]!=';' and a[i]!=':' and a[i]!='!' and a[i]!='?' and a[i]!='(' and a[i]!=')' and a[i]!='-') && (a[i+1]==' ' or a[i+1]==',' or a[i+1]=='.' or a[i+1]==',' or a[i+1]==';' or a[i+1]==':' or a[i+1]=='!' or a[i+1]=='?' or a[i+1]=='(' or a[i+1]==')' or a[i+1]=='-') ) ^ user.cpp:15:58: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((a[i]!=' ' and a[i]!=',' and a[i]!='.' and a[i]!=',' and a[i]!=';' and a[i]!=':' and a[i]!='!' and a[i]!='?' and a[i]!='(' and a[i]!=')' and a[i]!='-') && (a[i+1]==' ' or a[i+1]==',' or a[i+1]=='.' or a[i+1]==',' or a[i+1]==';' or a[i+1]==':' or a[i+1]=='!' or a[i+1]=='?' or a[i+1]=='(' or a[i+1]==')' or a[i+1]=='-') ) ^ user.cpp:15:72: warning: array subscript has type ‘char’ [-Wchar-subscripts]