Compilare: main.cpp: In function 'int main()': main.cpp:12:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<strlen(s);i++){ ~^~~~~~~~~~ main.cpp:14:27: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if(s[i-1]>='a'&&s[i-1]<='z'||s[i-1]>='A'&&s[i-1]<='Z')nrc++; ~~~~~~~~~~~^~~~~~~~~~~~~ main.cpp:18:48: warning: suggest parentheses around '&&' within '||' [-Wparentheses] else if(strchr(" ,",s[i])&&(s[i-1]>='a'&&s[i-1]<='z'||s[i-1]>='A'&&s[i-1]<='Z'))nrc++; ~~~~~~~~~~~^~~~~~~~~~~~~ main.cpp:22:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v.size();i++)cout<<v[i]<<"\n"; ~^~~~~~~~~