Compilare: user.cpp: In function ‘int cautare(int)’: user.cpp:25:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v[zona].size();++i) ^ user.cpp: In function ‘int main()’: user.cpp:32:21: warning: unused variable ‘x’ [-Wunused-variable] {int n,s,i,ji,k,sum,x,y,p; ^ user.cpp:32:23: warning: unused variable ‘y’ [-Wunused-variable] {int n,s,i,ji,k,sum,x,y,p; ^