Compilare: user.cpp: In function ‘void bubbleSort(int*, int, int)’: user.cpp:14:55: warning: operation on ‘*(a + ((((sizetype)i) + 1u) * 4u))’ may be undefined [-Wsequence-point] a[i] = a[i] ^ a[i + 1] ^ (a[i + 1] = a[i]); ^ user.cpp: In function ‘int main()’: user.cpp:11:9: warning: ‘lastSwap’ may be used uninitialized in this function [-Wmaybe-uninitialized] for (i = 0; i < l; i++) ^ user.cpp:8:9: note: ‘lastSwap’ was declared here int lastSwap; ^