Compilare: main.cpp: In function 'int main()': main.cpp:44:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for(i=0;i<rez.size();i++) | ~^~~~~~~~~~~ main.cpp:19:33: warning: 'len' may be used uninitialized [-Wmaybe-uninitialized] 19 | while(ahoy[i]!=ahoy[len]&&len>0) main.cpp:12:17: note: 'len' was declared here 12 | int n,m,i,j,len,c=0; | ^~~