Compilare: user.cpp: In function ‘int main()’: user.cpp:19:25: warning: operation on ‘k’ may be undefined [-Wsequence-point] if(x[++k]<v[++k]) ^ user.cpp:21:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v[k]-x[k]<=b-cmax) ^ user.cpp:24:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v[k]-x[k]>platit+1) ^