Compilare: user.cpp: In function ‘int main()’: user.cpp:16:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<strlen(s);i++) if (s[i]!=' ') {ok=true;break;} ^ user.cpp:19:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=1;j<=strlen(p);j++) if (p[j]==' '&&p[j+1]!=' '&&p[j+1]!='\n') ^ user.cpp:11:19: warning: unused variable ‘t’ [-Wunused-variable] {int16_t i,j,nr=0,t,numar; ^ user.cpp:11:21: warning: unused variable ‘numar’ [-Wunused-variable] {int16_t i,j,nr=0,t,numar; ^