Compilare: user.cpp: In function ‘unsigned int poz(unsigned int, unsigned int)’: user.cpp:13:34: warning: operation on ‘a[u]’ may be undefined [-Wsequence-point] {a[p]=a[p]+a[u]-(a[u]=a[p]); ^ user.cpp:14:34: warning: operation on ‘b[u]’ may be undefined [-Wsequence-point] b[p]=b[p]+b[u]-(b[u]=b[p]); ^ user.cpp: In function ‘int main()’: user.cpp:40:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(a[i]>=b[j]||b[i]<=a[j]) ^