Compilare: user.cpp: In function ‘int main()’: user.cpp:40:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < strlen(b); j++) ^ user.cpp:50:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(ii == strlen(a)) ^ user.cpp:34:42: warning: unused variable ‘vl’ [-Wunused-variable] int k = 0, ii, jj, moi = 0, mo[200002], vl = 0; ^