Compilare: user.cpp: In function ‘int main()’: user.cpp:14:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<strlen(reteta); i++) ^ user.cpp:23:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<strlen(reteta)-1; i++) ^ user.cpp:29:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=i+1; j<strlen(reteta)&&gata==0; j++) ^ user.cpp:61:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=i; j<strlen(reteta)&&reteta[j]<='9'&&reteta[j]>='0';j++) ^