Compilare: user.cpp: In function ‘bool verificare(char*, char*)’: user.cpp:21:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i1 = 1; i1 < strlen(x); ++i1) ^ user.cpp: In function ‘int main()’: user.cpp:40:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(lmax<strlen(a[i])) ^ user.cpp:42:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(lmax==strlen(a[i])) ^ user.cpp:60:19: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(len[z]<=len[j]) ^